';\n * }\n * });\n * ```\n *\n **/\n\n\nfunction MarkdownIt(presetName, options) {\n if (!(this instanceof MarkdownIt)) {\n return new MarkdownIt(presetName, options);\n }\n\n if (!options) {\n if (!utils.isString(presetName)) {\n options = presetName || {};\n presetName = 'default';\n }\n }\n /**\n * MarkdownIt#inline -> ParserInline\n *\n * Instance of [[ParserInline]]. You may need it to add new rules when\n * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n * [[MarkdownIt.enable]].\n **/\n\n\n this.inline = new ParserInline();\n /**\n * MarkdownIt#block -> ParserBlock\n *\n * Instance of [[ParserBlock]]. You may need it to add new rules when\n * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n * [[MarkdownIt.enable]].\n **/\n\n this.block = new ParserBlock();\n /**\n * MarkdownIt#core -> Core\n *\n * Instance of [[Core]] chain executor. You may need it to add new rules when\n * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n * [[MarkdownIt.enable]].\n **/\n\n this.core = new ParserCore();\n /**\n * MarkdownIt#renderer -> Renderer\n *\n * Instance of [[Renderer]]. Use it to modify output look. Or to add rendering\n * rules for new token types, generated by plugins.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * function myToken(tokens, idx, options, env, self) {\n * //...\n * return result;\n * };\n *\n * md.renderer.rules['my_token'] = myToken\n * ```\n *\n * See [[Renderer]] docs and [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.js).\n **/\n\n this.renderer = new Renderer();\n /**\n * MarkdownIt#linkify -> LinkifyIt\n *\n * [linkify-it](https://github.com/markdown-it/linkify-it) instance.\n * Used by [linkify](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/linkify.js)\n * rule.\n **/\n\n this.linkify = new LinkifyIt();\n /**\n * MarkdownIt#validateLink(url) -> Boolean\n *\n * Link validation function. CommonMark allows too much in links. By default\n * we disable `javascript:`, `vbscript:`, `file:` schemas, and almost all `data:...` schemas\n * except some embedded image types.\n *\n * You can change this behaviour:\n *\n * ```javascript\n * var md = require('markdown-it')();\n * // enable everything\n * md.validateLink = function () { return true; }\n * ```\n **/\n\n this.validateLink = validateLink;\n /**\n * MarkdownIt#normalizeLink(url) -> String\n *\n * Function used to encode link url to a machine-readable format,\n * which includes url-encoding, punycode, etc.\n **/\n\n this.normalizeLink = normalizeLink;\n /**\n * MarkdownIt#normalizeLinkText(url) -> String\n *\n * Function used to decode link url to a human-readable format`\n **/\n\n this.normalizeLinkText = normalizeLinkText; // Expose utils & helpers for easy acces from plugins\n\n /**\n * MarkdownIt#utils -> utils\n *\n * Assorted utility functions, useful to write plugins. See details\n * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.js).\n **/\n\n this.utils = utils;\n /**\n * MarkdownIt#helpers -> helpers\n *\n * Link components parser functions, useful to write plugins. See details\n * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/helpers).\n **/\n\n this.helpers = utils.assign({}, helpers);\n this.options = {};\n this.configure(presetName);\n\n if (options) {\n this.set(options);\n }\n}\n/** chainable\n * MarkdownIt.set(options)\n *\n * Set parser options (in the same format as in constructor). Probably, you\n * will never need it, but you can change options after constructor call.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n * .set({ html: true, breaks: true })\n * .set({ typographer, true });\n * ```\n *\n * __Note:__ To achieve the best possible performance, don't modify a\n * `markdown-it` instance options on the fly. If you need multiple configurations\n * it's best to create multiple instances and initialize each with separate\n * config.\n **/\n\n\nMarkdownIt.prototype.set = function (options) {\n utils.assign(this.options, options);\n return this;\n};\n/** chainable, internal\n * MarkdownIt.configure(presets)\n *\n * Batch load of all options and compenent settings. This is internal method,\n * and you probably will not need it. But if you will - see available presets\n * and data structure [here](https://github.com/markdown-it/markdown-it/tree/master/lib/presets)\n *\n * We strongly recommend to use presets instead of direct config loads. That\n * will give better compatibility with next versions.\n **/\n\n\nMarkdownIt.prototype.configure = function (presets) {\n var self = this,\n presetName;\n\n if (utils.isString(presets)) {\n presetName = presets;\n presets = config[presetName];\n\n if (!presets) {\n throw new Error('Wrong `markdown-it` preset \"' + presetName + '\", check name');\n }\n }\n\n if (!presets) {\n throw new Error('Wrong `markdown-it` preset, can\\'t be empty');\n }\n\n if (presets.options) {\n self.set(presets.options);\n }\n\n if (presets.components) {\n Object.keys(presets.components).forEach(function (name) {\n if (presets.components[name].rules) {\n self[name].ruler.enableOnly(presets.components[name].rules);\n }\n\n if (presets.components[name].rules2) {\n self[name].ruler2.enableOnly(presets.components[name].rules2);\n }\n });\n }\n\n return this;\n};\n/** chainable\n * MarkdownIt.enable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to enable\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Enable list or rules. It will automatically find appropriate components,\n * containing rules with given names. If rule not found, and `ignoreInvalid`\n * not set - throws exception.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n * .enable(['sub', 'sup'])\n * .disable('smartquotes');\n * ```\n **/\n\n\nMarkdownIt.prototype.enable = function (list, ignoreInvalid) {\n var result = [];\n\n if (!Array.isArray(list)) {\n list = [list];\n }\n\n ['core', 'block', 'inline'].forEach(function (chain) {\n result = result.concat(this[chain].ruler.enable(list, true));\n }, this);\n result = result.concat(this.inline.ruler2.enable(list, true));\n var missed = list.filter(function (name) {\n return result.indexOf(name) < 0;\n });\n\n if (missed.length && !ignoreInvalid) {\n throw new Error('MarkdownIt. Failed to enable unknown rule(s): ' + missed);\n }\n\n return this;\n};\n/** chainable\n * MarkdownIt.disable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to disable.\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * The same as [[MarkdownIt.enable]], but turn specified rules off.\n **/\n\n\nMarkdownIt.prototype.disable = function (list, ignoreInvalid) {\n var result = [];\n\n if (!Array.isArray(list)) {\n list = [list];\n }\n\n ['core', 'block', 'inline'].forEach(function (chain) {\n result = result.concat(this[chain].ruler.disable(list, true));\n }, this);\n result = result.concat(this.inline.ruler2.disable(list, true));\n var missed = list.filter(function (name) {\n return result.indexOf(name) < 0;\n });\n\n if (missed.length && !ignoreInvalid) {\n throw new Error('MarkdownIt. Failed to disable unknown rule(s): ' + missed);\n }\n\n return this;\n};\n/** chainable\n * MarkdownIt.use(plugin, params)\n *\n * Load specified plugin with given params into current parser instance.\n * It's just a sugar to call `plugin(md, params)` with curring.\n *\n * ##### Example\n *\n * ```javascript\n * var iterator = require('markdown-it-for-inline');\n * var md = require('markdown-it')()\n * .use(iterator, 'foo_replace', 'text', function (tokens, idx) {\n * tokens[idx].content = tokens[idx].content.replace(/foo/g, 'bar');\n * });\n * ```\n **/\n\n\nMarkdownIt.prototype.use = function (plugin\n/*, params, ... */\n) {\n var args = [this].concat(Array.prototype.slice.call(arguments, 1));\n plugin.apply(plugin, args);\n return this;\n};\n/** internal\n * MarkdownIt.parse(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Parse input string and return list of block tokens (special token type\n * \"inline\" will contain list of inline tokens). You should not call this\n * method directly, until you write custom renderer (for example, to produce\n * AST).\n *\n * `env` is used to pass data between \"distributed\" rules and return additional\n * metadata like reference info, needed for the renderer. It also can be used to\n * inject data in specific cases. Usually, you will be ok to pass `{}`,\n * and then pass updated object to renderer.\n **/\n\n\nMarkdownIt.prototype.parse = function (src, env) {\n if (typeof src !== 'string') {\n throw new Error('Input data should be a String');\n }\n\n var state = new this.core.State(src, this, env);\n this.core.process(state);\n return state.tokens;\n};\n/**\n * MarkdownIt.render(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Render markdown string into html. It does all magic for you :).\n *\n * `env` can be used to inject additional metadata (`{}` by default).\n * But you will not need it with high probability. See also comment\n * in [[MarkdownIt.parse]].\n **/\n\n\nMarkdownIt.prototype.render = function (src, env) {\n env = env || {};\n return this.renderer.render(this.parse(src, env), this.options, env);\n};\n/** internal\n * MarkdownIt.parseInline(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * The same as [[MarkdownIt.parse]] but skip all block rules. It returns the\n * block tokens list with the single `inline` element, containing parsed inline\n * tokens in `children` property. Also updates `env` object.\n **/\n\n\nMarkdownIt.prototype.parseInline = function (src, env) {\n var state = new this.core.State(src, this, env);\n state.inlineMode = true;\n this.core.process(state);\n return state.tokens;\n};\n/**\n * MarkdownIt.renderInline(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Similar to [[MarkdownIt.render]] but for single paragraph content. Result\n * will NOT be wrapped into `
` tags.\n **/\n\n\nMarkdownIt.prototype.renderInline = function (src, env) {\n env = env || {};\n return this.renderer.render(this.parseInline(src, env), this.options, env);\n};\n\nmodule.exports = MarkdownIt;\n\n//# sourceURL=webpack:///./node_modules/markdown-it/lib/index.js?");
/***/ }),
/***/ "./node_modules/markdown-it/lib/parser_block.js":
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\******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
eval("/** internal\n * class ParserBlock\n *\n * Block-level tokenizer.\n **/\n\n\nvar Ruler = __webpack_require__(/*! ./ruler */ \"./node_modules/markdown-it/lib/ruler.js\");\n\nvar _rules = [// First 2 params - rule name & source. Secondary array - list of rules,\n// which can be terminated by this one.\n['table', __webpack_require__(/*! ./rules_block/table */ \"./node_modules/markdown-it/lib/rules_block/table.js\"), ['paragraph', 'reference']], ['code', __webpack_require__(/*! ./rules_block/code */ \"./node_modules/markdown-it/lib/rules_block/code.js\")], ['fence', __webpack_require__(/*! ./rules_block/fence */ \"./node_modules/markdown-it/lib/rules_block/fence.js\"), ['paragraph', 'reference', 'blockquote', 'list']], ['blockquote', __webpack_require__(/*! ./rules_block/blockquote */ \"./node_modules/markdown-it/lib/rules_block/blockquote.js\"), ['paragraph', 'reference', 'blockquote', 'list']], ['hr', __webpack_require__(/*! ./rules_block/hr */ \"./node_modules/markdown-it/lib/rules_block/hr.js\"), ['paragraph', 'reference', 'blockquote', 'list']], ['list', __webpack_require__(/*! ./rules_block/list */ \"./node_modules/markdown-it/lib/rules_block/list.js\"), ['paragraph', 'reference', 'blockquote']], ['reference', __webpack_require__(/*! ./rules_block/reference */ \"./node_modules/markdown-it/lib/rules_block/reference.js\")], ['heading', __webpack_require__(/*! ./rules_block/heading */ \"./node_modules/markdown-it/lib/rules_block/heading.js\"), ['paragraph', 'reference', 'blockquote']], ['lheading', __webpack_require__(/*! ./rules_block/lheading */ \"./node_modules/markdown-it/lib/rules_block/lheading.js\")], ['html_block', __webpack_require__(/*! ./rules_block/html_block */ \"./node_modules/markdown-it/lib/rules_block/html_block.js\"), ['paragraph', 'reference', 'blockquote']], ['paragraph', __webpack_require__(/*! ./rules_block/paragraph */ \"./node_modules/markdown-it/lib/rules_block/paragraph.js\")]];\n/**\n * new ParserBlock()\n **/\n\nfunction ParserBlock() {\n /**\n * ParserBlock#ruler -> Ruler\n *\n * [[Ruler]] instance. Keep configuration of block rules.\n **/\n this.ruler = new Ruler();\n\n for (var i = 0; i < _rules.length; i++) {\n this.ruler.push(_rules[i][0], _rules[i][1], {\n alt: (_rules[i][2] || []).slice()\n });\n }\n} // Generate tokens for input range\n//\n\n\nParserBlock.prototype.tokenize = function (state, startLine, endLine) {\n var ok,\n i,\n rules = this.ruler.getRules(''),\n len = rules.length,\n line = startLine,\n hasEmptyLines = false,\n maxNesting = state.md.options.maxNesting;\n\n while (line < endLine) {\n state.line = line = state.skipEmptyLines(line);\n\n if (line >= endLine) {\n break;\n } // Termination condition for nested calls.\n // Nested calls currently used for blockquotes & lists\n\n\n if (state.sCount[line] < state.blkIndent) {\n break;\n } // If nesting level exceeded - skip tail to the end. That's not ordinary\n // situation and we should not care about content.\n\n\n if (state.level >= maxNesting) {\n state.line = endLine;\n break;\n } // Try all possible rules.\n // On success, rule should:\n //\n // - update `state.line`\n // - update `state.tokens`\n // - return true\n\n\n for (i = 0; i < len; i++) {\n ok = rules[i](state, line, endLine, false);\n\n if (ok) {\n break;\n }\n } // set state.tight if we had an empty line before current tag\n // i.e. latest empty line should not count\n\n\n state.tight = !hasEmptyLines; // paragraph might \"eat\" one newline after it in nested lists\n\n if (state.isEmpty(state.line - 1)) {\n hasEmptyLines = true;\n }\n\n line = state.line;\n\n if (line < endLine && state.isEmpty(line)) {\n hasEmptyLines = true;\n line++;\n state.line = line;\n }\n }\n};\n/**\n * ParserBlock.parse(str, md, env, outTokens)\n *\n * Process input string and push block tokens into `outTokens`\n **/\n\n\nParserBlock.prototype.parse = function (src, md, env, outTokens) {\n var state;\n\n if (!src) {\n return;\n }\n\n state = new this.State(src, md, env, outTokens);\n this.tokenize(state, state.line, state.lineMax);\n};\n\nParserBlock.prototype.State = __webpack_require__(/*! ./rules_block/state_block */ \"./node_modules/markdown-it/lib/rules_block/state_block.js\");\nmodule.exports = ParserBlock;\n\n//# sourceURL=webpack:///./node_modules/markdown-it/lib/parser_block.js?");
/***/ }),
/***/ "./node_modules/markdown-it/lib/parser_core.js":
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!*** ./node_modules/markdown-it/lib/parser_core.js ***!
\*****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
eval("/** internal\n * class Core\n *\n * Top-level rules executor. Glues block/inline parsers and does intermediate\n * transformations.\n **/\n\n\nvar Ruler = __webpack_require__(/*! ./ruler */ \"./node_modules/markdown-it/lib/ruler.js\");\n\nvar _rules = [['normalize', __webpack_require__(/*! ./rules_core/normalize */ \"./node_modules/markdown-it/lib/rules_core/normalize.js\")], ['block', __webpack_require__(/*! ./rules_core/block */ \"./node_modules/markdown-it/lib/rules_core/block.js\")], ['inline', __webpack_require__(/*! ./rules_core/inline */ \"./node_modules/markdown-it/lib/rules_core/inline.js\")], ['linkify', __webpack_require__(/*! ./rules_core/linkify */ \"./node_modules/markdown-it/lib/rules_core/linkify.js\")], ['replacements', __webpack_require__(/*! ./rules_core/replacements */ \"./node_modules/markdown-it/lib/rules_core/replacements.js\")], ['smartquotes', __webpack_require__(/*! ./rules_core/smartquotes */ \"./node_modules/markdown-it/lib/rules_core/smartquotes.js\")]];\n/**\n * new Core()\n **/\n\nfunction Core() {\n /**\n * Core#ruler -> Ruler\n *\n * [[Ruler]] instance. Keep configuration of core rules.\n **/\n this.ruler = new Ruler();\n\n for (var i = 0; i < _rules.length; i++) {\n this.ruler.push(_rules[i][0], _rules[i][1]);\n }\n}\n/**\n * Core.process(state)\n *\n * Executes core chain rules.\n **/\n\n\nCore.prototype.process = function (state) {\n var i, l, rules;\n rules = this.ruler.getRules('');\n\n for (i = 0, l = rules.length; i < l; i++) {\n rules[i](state);\n }\n};\n\nCore.prototype.State = __webpack_require__(/*! ./rules_core/state_core */ \"./node_modules/markdown-it/lib/rules_core/state_core.js\");\nmodule.exports = Core;\n\n//# sourceURL=webpack:///./node_modules/markdown-it/lib/parser_core.js?");
/***/ }),
/***/ "./node_modules/markdown-it/lib/parser_inline.js":
/*!*******************************************************!*\
!*** ./node_modules/markdown-it/lib/parser_inline.js ***!
\*******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
eval("/** internal\n * class ParserInline\n *\n * Tokenizes paragraph content.\n **/\n\n\nvar Ruler = __webpack_require__(/*! ./ruler */ \"./node_modules/markdown-it/lib/ruler.js\"); ////////////////////////////////////////////////////////////////////////////////\n// Parser rules\n\n\nvar _rules = [['text', __webpack_require__(/*! ./rules_inline/text */ \"./node_modules/markdown-it/lib/rules_inline/text.js\")], ['newline', __webpack_require__(/*! ./rules_inline/newline */ \"./node_modules/markdown-it/lib/rules_inline/newline.js\")], ['escape', __webpack_require__(/*! ./rules_inline/escape */ \"./node_modules/markdown-it/lib/rules_inline/escape.js\")], ['backticks', __webpack_require__(/*! ./rules_inline/backticks */ \"./node_modules/markdown-it/lib/rules_inline/backticks.js\")], ['strikethrough', __webpack_require__(/*! ./rules_inline/strikethrough */ \"./node_modules/markdown-it/lib/rules_inline/strikethrough.js\").tokenize], ['emphasis', __webpack_require__(/*! ./rules_inline/emphasis */ \"./node_modules/markdown-it/lib/rules_inline/emphasis.js\").tokenize], ['link', __webpack_require__(/*! ./rules_inline/link */ \"./node_modules/markdown-it/lib/rules_inline/link.js\")], ['image', __webpack_require__(/*! ./rules_inline/image */ \"./node_modules/markdown-it/lib/rules_inline/image.js\")], ['autolink', __webpack_require__(/*! ./rules_inline/autolink */ \"./node_modules/markdown-it/lib/rules_inline/autolink.js\")], ['html_inline', __webpack_require__(/*! ./rules_inline/html_inline */ \"./node_modules/markdown-it/lib/rules_inline/html_inline.js\")], ['entity', __webpack_require__(/*! ./rules_inline/entity */ \"./node_modules/markdown-it/lib/rules_inline/entity.js\")]];\nvar _rules2 = [['balance_pairs', __webpack_require__(/*! ./rules_inline/balance_pairs */ \"./node_modules/markdown-it/lib/rules_inline/balance_pairs.js\")], ['strikethrough', __webpack_require__(/*! ./rules_inline/strikethrough */ \"./node_modules/markdown-it/lib/rules_inline/strikethrough.js\").postProcess], ['emphasis', __webpack_require__(/*! ./rules_inline/emphasis */ \"./node_modules/markdown-it/lib/rules_inline/emphasis.js\").postProcess], ['text_collapse', __webpack_require__(/*! ./rules_inline/text_collapse */ \"./node_modules/markdown-it/lib/rules_inline/text_collapse.js\")]];\n/**\n * new ParserInline()\n **/\n\nfunction ParserInline() {\n var i;\n /**\n * ParserInline#ruler -> Ruler\n *\n * [[Ruler]] instance. Keep configuration of inline rules.\n **/\n\n this.ruler = new Ruler();\n\n for (i = 0; i < _rules.length; i++) {\n this.ruler.push(_rules[i][0], _rules[i][1]);\n }\n /**\n * ParserInline#ruler2 -> Ruler\n *\n * [[Ruler]] instance. Second ruler used for post-processing\n * (e.g. in emphasis-like rules).\n **/\n\n\n this.ruler2 = new Ruler();\n\n for (i = 0; i < _rules2.length; i++) {\n this.ruler2.push(_rules2[i][0], _rules2[i][1]);\n }\n} // Skip single token by running all rules in validation mode;\n// returns `true` if any rule reported success\n//\n\n\nParserInline.prototype.skipToken = function (state) {\n var ok,\n i,\n pos = state.pos,\n rules = this.ruler.getRules(''),\n len = rules.length,\n maxNesting = state.md.options.maxNesting,\n cache = state.cache;\n\n if (typeof cache[pos] !== 'undefined') {\n state.pos = cache[pos];\n return;\n }\n\n if (state.level < maxNesting) {\n for (i = 0; i < len; i++) {\n // Increment state.level and decrement it later to limit recursion.\n // It's harmless to do here, because no tokens are created. But ideally,\n // we'd need a separate private state variable for this purpose.\n //\n state.level++;\n ok = rules[i](state, true);\n state.level--;\n\n if (ok) {\n break;\n }\n }\n } else {\n // Too much nesting, just skip until the end of the paragraph.\n //\n // NOTE: this will cause links to behave incorrectly in the following case,\n // when an amount of `[` is exactly equal to `maxNesting + 1`:\n //\n // [[[[[[[[[[[[[[[[[[[[[foo]()\n //\n // TODO: remove this workaround when CM standard will allow nested links\n // (we can replace it by preventing links from being parsed in\n // validation mode)\n //\n state.pos = state.posMax;\n }\n\n if (!ok) {\n state.pos++;\n }\n\n cache[pos] = state.pos;\n}; // Generate tokens for input range\n//\n\n\nParserInline.prototype.tokenize = function (state) {\n var ok,\n i,\n rules = this.ruler.getRules(''),\n len = rules.length,\n end = state.posMax,\n maxNesting = state.md.options.maxNesting;\n\n while (state.pos < end) {\n // Try all possible rules.\n // On success, rule should:\n //\n // - update `state.pos`\n // - update `state.tokens`\n // - return true\n if (state.level < maxNesting) {\n for (i = 0; i < len; i++) {\n ok = rules[i](state, false);\n\n if (ok) {\n break;\n }\n }\n }\n\n if (ok) {\n if (state.pos >= end) {\n break;\n }\n\n continue;\n }\n\n state.pending += state.src[state.pos++];\n }\n\n if (state.pending) {\n state.pushPending();\n }\n};\n/**\n * ParserInline.parse(str, md, env, outTokens)\n *\n * Process input string and push inline tokens into `outTokens`\n **/\n\n\nParserInline.prototype.parse = function (str, md, env, outTokens) {\n var i, rules, len;\n var state = new this.State(str, md, env, outTokens);\n this.tokenize(state);\n rules = this.ruler2.getRules('');\n len = rules.length;\n\n for (i = 0; i < len; i++) {\n rules[i](state);\n }\n};\n\nParserInline.prototype.State = __webpack_require__(/*! ./rules_inline/state_inline */ \"./node_modules/markdown-it/lib/rules_inline/state_inline.js\");\nmodule.exports = ParserInline;\n\n//# sourceURL=webpack:///./node_modules/markdown-it/lib/parser_inline.js?");
/***/ }),
/***/ "./node_modules/markdown-it/lib/presets/commonmark.js":
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/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
eval("// Commonmark default options\n\n\nmodule.exports = {\n options: {\n html: true,\n // Enable HTML tags in source\n xhtmlOut: true,\n // Use '/' to close single tags ( )\n breaks: false,\n // Convert '\\n' in paragraphs into \n langPrefix: 'language-',\n // CSS language prefix for fenced blocks\n linkify: false,\n // autoconvert URL-like texts to links\n // Enable some language-neutral replacements + quotes beautification\n typographer: false,\n // Double + single quotes replacement pairs, when typographer enabled,\n // and smartquotes on. Could be either a String or an Array.\n //\n // For example, you can use '«»„“' for Russian, '„“‚‘' for German,\n // and ['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›'] for French (including nbsp).\n quotes: \"\\u201C\\u201D\\u2018\\u2019\",\n\n /* “”‘’ */\n // Highlighter function. Should return escaped HTML,\n // or '' if the source string is not changed and should be escaped externaly.\n // If result starts with )\n breaks: false,\n // Convert '\\n' in paragraphs into \n langPrefix: 'language-',\n // CSS language prefix for fenced blocks\n linkify: false,\n // autoconvert URL-like texts to links\n // Enable some language-neutral replacements + quotes beautification\n typographer: false,\n // Double + single quotes replacement pairs, when typographer enabled,\n // and smartquotes on. Could be either a String or an Array.\n //\n // For example, you can use '«»„“' for Russian, '„“‚‘' for German,\n // and ['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›'] for French (including nbsp).\n quotes: \"\\u201C\\u201D\\u2018\\u2019\",\n\n /* “”‘’ */\n // Highlighter function. Should return escaped HTML,\n // or '' if the source string is not changed and should be escaped externaly.\n // If result starts with )\n breaks: false,\n // Convert '\\n' in paragraphs into \n langPrefix: 'language-',\n // CSS language prefix for fenced blocks\n linkify: false,\n // autoconvert URL-like texts to links\n // Enable some language-neutral replacements + quotes beautification\n typographer: false,\n // Double + single quotes replacement pairs, when typographer enabled,\n // and smartquotes on. Could be either a String or an Array.\n //\n // For example, you can use '«»„“' for Russian, '„“‚‘' for German,\n // and ['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›'] for French (including nbsp).\n quotes: \"\\u201C\\u201D\\u2018\\u2019\",\n\n /* “”‘’ */\n // Highlighter function. Should return escaped HTML,\n // or '' if the source string is not changed and should be escaped externaly.\n // If result starts with ' + escapeHtml(tokens[idx].content) + '';\n};\n\ndefault_rules.code_block = function (tokens, idx, options, env, slf) {\n var token = tokens[idx];\n return '' + escapeHtml(tokens[idx].content) + '\\n';\n};\n\ndefault_rules.fence = function (tokens, idx, options, env, slf) {\n var token = tokens[idx],\n info = token.info ? unescapeAll(token.info).trim() : '',\n langName = '',\n langAttrs = '',\n highlighted,\n i,\n arr,\n tmpAttrs,\n tmpToken;\n\n if (info) {\n arr = info.split(/(\\s+)/g);\n langName = arr[0];\n langAttrs = arr.slice(2).join('');\n }\n\n if (options.highlight) {\n highlighted = options.highlight(token.content, langName, langAttrs) || escapeHtml(token.content);\n } else {\n highlighted = escapeHtml(token.content);\n }\n\n if (highlighted.indexOf('' + highlighted + '\\n';\n }\n\n return '
`.\n//\n// options::-\n// Supports the following options:\n//\n// content:: [[MenuElement]]\n// Provides the content of the menu, as a nested array to be\n// passed to `renderGrouped`.\n//\n// floating:: ?bool\n// Determines whether the menu floats, i.e. whether it sticks to\n// the top of the viewport when the editor is partially scrolled\n// out of view.\n\n\nfunction menuBar(options) {\n return new prosemirror_state__WEBPACK_IMPORTED_MODULE_3__[\"Plugin\"]({\n view: function view(editorView) {\n return new MenuBarView(editorView, options);\n }\n });\n}\n\nvar MenuBarView = function MenuBarView(editorView, options) {\n var this$1 = this;\n this.editorView = editorView;\n this.options = options;\n this.wrapper = Object(crel__WEBPACK_IMPORTED_MODULE_0__[\"default\"])(\"div\", {\n \"class\": prefix$2 + \"-wrapper\"\n });\n this.menu = this.wrapper.appendChild(Object(crel__WEBPACK_IMPORTED_MODULE_0__[\"default\"])(\"div\", {\n \"class\": prefix$2\n }));\n this.menu.className = prefix$2;\n this.spacer = null;\n editorView.dom.parentNode.replaceChild(this.wrapper, editorView.dom);\n this.wrapper.appendChild(editorView.dom);\n this.maxHeight = 0;\n this.widthForMaxHeight = 0;\n this.floating = false;\n var ref = renderGrouped(this.editorView, this.options.content);\n var dom = ref.dom;\n var update = ref.update;\n this.contentUpdate = update;\n this.menu.appendChild(dom);\n this.update();\n\n if (options.floating && !isIOS()) {\n this.updateFloat();\n var potentialScrollers = getAllWrapping(this.wrapper);\n\n this.scrollFunc = function (e) {\n var root = this$1.editorView.root;\n\n if (!(root.body || root).contains(this$1.wrapper)) {\n potentialScrollers.forEach(function (el) {\n return el.removeEventListener(\"scroll\", this$1.scrollFunc);\n });\n } else {\n this$1.updateFloat(e.target.getBoundingClientRect && e.target);\n }\n };\n\n potentialScrollers.forEach(function (el) {\n return el.addEventListener('scroll', this$1.scrollFunc);\n });\n }\n};\n\nMenuBarView.prototype.update = function update() {\n this.contentUpdate(this.editorView.state);\n\n if (this.floating) {\n this.updateScrollCursor();\n } else {\n if (this.menu.offsetWidth != this.widthForMaxHeight) {\n this.widthForMaxHeight = this.menu.offsetWidth;\n this.maxHeight = 0;\n }\n\n if (this.menu.offsetHeight > this.maxHeight) {\n this.maxHeight = this.menu.offsetHeight;\n this.menu.style.minHeight = this.maxHeight + \"px\";\n }\n }\n};\n\nMenuBarView.prototype.updateScrollCursor = function updateScrollCursor() {\n var selection = this.editorView.root.getSelection();\n\n if (!selection.focusNode) {\n return;\n }\n\n var rects = selection.getRangeAt(0).getClientRects();\n var selRect = rects[selectionIsInverted(selection) ? 0 : rects.length - 1];\n\n if (!selRect) {\n return;\n }\n\n var menuRect = this.menu.getBoundingClientRect();\n\n if (selRect.top < menuRect.bottom && selRect.bottom > menuRect.top) {\n var scrollable = findWrappingScrollable(this.wrapper);\n\n if (scrollable) {\n scrollable.scrollTop -= menuRect.bottom - selRect.top;\n }\n }\n};\n\nMenuBarView.prototype.updateFloat = function updateFloat(scrollAncestor) {\n var parent = this.wrapper,\n editorRect = parent.getBoundingClientRect(),\n top = scrollAncestor ? Math.max(0, scrollAncestor.getBoundingClientRect().top) : 0;\n\n if (this.floating) {\n if (editorRect.top >= top || editorRect.bottom < this.menu.offsetHeight + 10) {\n this.floating = false;\n this.menu.style.position = this.menu.style.left = this.menu.style.top = this.menu.style.width = \"\";\n this.menu.style.display = \"\";\n this.spacer.parentNode.removeChild(this.spacer);\n this.spacer = null;\n } else {\n var border = (parent.offsetWidth - parent.clientWidth) / 2;\n this.menu.style.left = editorRect.left + border + \"px\";\n this.menu.style.display = editorRect.top > window.innerHeight ? \"none\" : \"\";\n\n if (scrollAncestor) {\n this.menu.style.top = top + \"px\";\n }\n }\n } else {\n if (editorRect.top < top && editorRect.bottom >= this.menu.offsetHeight + 10) {\n this.floating = true;\n var menuRect = this.menu.getBoundingClientRect();\n this.menu.style.left = menuRect.left + \"px\";\n this.menu.style.width = menuRect.width + \"px\";\n\n if (scrollAncestor) {\n this.menu.style.top = top + \"px\";\n }\n\n this.menu.style.position = \"fixed\";\n this.spacer = Object(crel__WEBPACK_IMPORTED_MODULE_0__[\"default\"])(\"div\", {\n \"class\": prefix$2 + \"-spacer\",\n style: \"height: \" + menuRect.height + \"px\"\n });\n parent.insertBefore(this.spacer, this.menu);\n }\n }\n};\n\nMenuBarView.prototype.destroy = function destroy() {\n if (this.wrapper.parentNode) {\n this.wrapper.parentNode.replaceChild(this.editorView.dom, this.wrapper);\n }\n}; // Not precise, but close enough\n\n\nfunction selectionIsInverted(selection) {\n if (selection.anchorNode == selection.focusNode) {\n return selection.anchorOffset > selection.focusOffset;\n }\n\n return selection.anchorNode.compareDocumentPosition(selection.focusNode) == Node.DOCUMENT_POSITION_FOLLOWING;\n}\n\nfunction findWrappingScrollable(node) {\n for (var cur = node.parentNode; cur; cur = cur.parentNode) {\n if (cur.scrollHeight > cur.clientHeight) {\n return cur;\n }\n }\n}\n\nfunction getAllWrapping(node) {\n var res = [window];\n\n for (var cur = node.parentNode; cur; cur = cur.parentNode) {\n res.push(cur);\n }\n\n return res;\n}\n\n\n\n//# sourceURL=webpack:///./node_modules/prosemirror-menu/dist/index.es.js?");
/***/ }),
/***/ "./node_modules/prosemirror-model/dist/index.es.js":
/*!*********************************************************!*\
!*** ./node_modules/prosemirror-model/dist/index.es.js ***!
\*********************************************************/
/*! exports provided: ContentMatch, DOMParser, DOMSerializer, Fragment, Mark, MarkType, Node, NodeRange, NodeType, ReplaceError, ResolvedPos, Schema, Slice */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"ContentMatch\", function() { return ContentMatch; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"DOMParser\", function() { return DOMParser; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"DOMSerializer\", function() { return DOMSerializer; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Fragment\", function() { return Fragment; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Mark\", function() { return Mark; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"MarkType\", function() { return MarkType; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Node\", function() { return Node; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"NodeRange\", function() { return NodeRange; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"NodeType\", function() { return NodeType; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"ReplaceError\", function() { return ReplaceError; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"ResolvedPos\", function() { return ResolvedPos; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Schema\", function() { return Schema; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Slice\", function() { return Slice; });\n/* harmony import */ var orderedmap__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! orderedmap */ \"./node_modules/orderedmap/index.es.js\");\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\nfunction findDiffStart(a, b, pos) {\n for (var i = 0;; i++) {\n if (i == a.childCount || i == b.childCount) {\n return a.childCount == b.childCount ? null : pos;\n }\n\n var childA = a.child(i),\n childB = b.child(i);\n\n if (childA == childB) {\n pos += childA.nodeSize;\n continue;\n }\n\n if (!childA.sameMarkup(childB)) {\n return pos;\n }\n\n if (childA.isText && childA.text != childB.text) {\n for (var j = 0; childA.text[j] == childB.text[j]; j++) {\n pos++;\n }\n\n return pos;\n }\n\n if (childA.content.size || childB.content.size) {\n var inner = findDiffStart(childA.content, childB.content, pos + 1);\n\n if (inner != null) {\n return inner;\n }\n }\n\n pos += childA.nodeSize;\n }\n}\n\nfunction findDiffEnd(a, b, posA, posB) {\n for (var iA = a.childCount, iB = b.childCount;;) {\n if (iA == 0 || iB == 0) {\n return iA == iB ? null : {\n a: posA,\n b: posB\n };\n }\n\n var childA = a.child(--iA),\n childB = b.child(--iB),\n size = childA.nodeSize;\n\n if (childA == childB) {\n posA -= size;\n posB -= size;\n continue;\n }\n\n if (!childA.sameMarkup(childB)) {\n return {\n a: posA,\n b: posB\n };\n }\n\n if (childA.isText && childA.text != childB.text) {\n var same = 0,\n minSize = Math.min(childA.text.length, childB.text.length);\n\n while (same < minSize && childA.text[childA.text.length - same - 1] == childB.text[childB.text.length - same - 1]) {\n same++;\n posA--;\n posB--;\n }\n\n return {\n a: posA,\n b: posB\n };\n }\n\n if (childA.content.size || childB.content.size) {\n var inner = findDiffEnd(childA.content, childB.content, posA - 1, posB - 1);\n\n if (inner) {\n return inner;\n }\n }\n\n posA -= size;\n posB -= size;\n }\n} // ::- A fragment represents a node's collection of child nodes.\n//\n// Like nodes, fragments are persistent data structures, and you\n// should not mutate them or their content. Rather, you create new\n// instances whenever needed. The API tries to make this easy.\n\n\nvar Fragment = function Fragment(content, size) {\n this.content = content; // :: number\n // The size of the fragment, which is the total of the size of its\n // content nodes.\n\n this.size = size || 0;\n\n if (size == null) {\n for (var i = 0; i < content.length; i++) {\n this.size += content[i].nodeSize;\n }\n }\n};\n\nvar prototypeAccessors = {\n firstChild: {\n configurable: true\n },\n lastChild: {\n configurable: true\n },\n childCount: {\n configurable: true\n }\n}; // :: (number, number, (node: Node, start: number, parent: Node, index: number) → ?bool, ?number)\n// Invoke a callback for all descendant nodes between the given two\n// positions (relative to start of this fragment). Doesn't descend\n// into a node when the callback returns `false`.\n\nFragment.prototype.nodesBetween = function nodesBetween(from, to, f, nodeStart, parent) {\n if (nodeStart === void 0) nodeStart = 0;\n\n for (var i = 0, pos = 0; pos < to; i++) {\n var child = this.content[i],\n end = pos + child.nodeSize;\n\n if (end > from && f(child, nodeStart + pos, parent, i) !== false && child.content.size) {\n var start = pos + 1;\n child.nodesBetween(Math.max(0, from - start), Math.min(child.content.size, to - start), f, nodeStart + start);\n }\n\n pos = end;\n }\n}; // :: ((node: Node, pos: number, parent: Node) → ?bool)\n// Call the given callback for every descendant node. The callback\n// may return `false` to prevent traversal of a given node's children.\n\n\nFragment.prototype.descendants = function descendants(f) {\n this.nodesBetween(0, this.size, f);\n}; // : (number, number, ?string, ?string) → string\n\n\nFragment.prototype.textBetween = function textBetween(from, to, blockSeparator, leafText) {\n var text = \"\",\n separated = true;\n this.nodesBetween(from, to, function (node, pos) {\n if (node.isText) {\n text += node.text.slice(Math.max(from, pos) - pos, to - pos);\n separated = !blockSeparator;\n } else if (node.isLeaf && leafText) {\n text += leafText;\n separated = !blockSeparator;\n } else if (!separated && node.isBlock) {\n text += blockSeparator;\n separated = true;\n }\n }, 0);\n return text;\n}; // :: (Fragment) → Fragment\n// Create a new fragment containing the combined content of this\n// fragment and the other.\n\n\nFragment.prototype.append = function append(other) {\n if (!other.size) {\n return this;\n }\n\n if (!this.size) {\n return other;\n }\n\n var last = this.lastChild,\n first = other.firstChild,\n content = this.content.slice(),\n i = 0;\n\n if (last.isText && last.sameMarkup(first)) {\n content[content.length - 1] = last.withText(last.text + first.text);\n i = 1;\n }\n\n for (; i < other.content.length; i++) {\n content.push(other.content[i]);\n }\n\n return new Fragment(content, this.size + other.size);\n}; // :: (number, ?number) → Fragment\n// Cut out the sub-fragment between the two given positions.\n\n\nFragment.prototype.cut = function cut(from, to) {\n if (to == null) {\n to = this.size;\n }\n\n if (from == 0 && to == this.size) {\n return this;\n }\n\n var result = [],\n size = 0;\n\n if (to > from) {\n for (var i = 0, pos = 0; pos < to; i++) {\n var child = this.content[i],\n end = pos + child.nodeSize;\n\n if (end > from) {\n if (pos < from || end > to) {\n if (child.isText) {\n child = child.cut(Math.max(0, from - pos), Math.min(child.text.length, to - pos));\n } else {\n child = child.cut(Math.max(0, from - pos - 1), Math.min(child.content.size, to - pos - 1));\n }\n }\n\n result.push(child);\n size += child.nodeSize;\n }\n\n pos = end;\n }\n }\n\n return new Fragment(result, size);\n};\n\nFragment.prototype.cutByIndex = function cutByIndex(from, to) {\n if (from == to) {\n return Fragment.empty;\n }\n\n if (from == 0 && to == this.content.length) {\n return this;\n }\n\n return new Fragment(this.content.slice(from, to));\n}; // :: (number, Node) → Fragment\n// Create a new fragment in which the node at the given index is\n// replaced by the given node.\n\n\nFragment.prototype.replaceChild = function replaceChild(index, node) {\n var current = this.content[index];\n\n if (current == node) {\n return this;\n }\n\n var copy = this.content.slice();\n var size = this.size + node.nodeSize - current.nodeSize;\n copy[index] = node;\n return new Fragment(copy, size);\n}; // : (Node) → Fragment\n// Create a new fragment by prepending the given node to this\n// fragment.\n\n\nFragment.prototype.addToStart = function addToStart(node) {\n return new Fragment([node].concat(this.content), this.size + node.nodeSize);\n}; // : (Node) → Fragment\n// Create a new fragment by appending the given node to this\n// fragment.\n\n\nFragment.prototype.addToEnd = function addToEnd(node) {\n return new Fragment(this.content.concat(node), this.size + node.nodeSize);\n}; // :: (Fragment) → bool\n// Compare this fragment to another one.\n\n\nFragment.prototype.eq = function eq(other) {\n if (this.content.length != other.content.length) {\n return false;\n }\n\n for (var i = 0; i < this.content.length; i++) {\n if (!this.content[i].eq(other.content[i])) {\n return false;\n }\n }\n\n return true;\n}; // :: ?Node\n// The first child of the fragment, or `null` if it is empty.\n\n\nprototypeAccessors.firstChild.get = function () {\n return this.content.length ? this.content[0] : null;\n}; // :: ?Node\n// The last child of the fragment, or `null` if it is empty.\n\n\nprototypeAccessors.lastChild.get = function () {\n return this.content.length ? this.content[this.content.length - 1] : null;\n}; // :: number\n// The number of child nodes in this fragment.\n\n\nprototypeAccessors.childCount.get = function () {\n return this.content.length;\n}; // :: (number) → Node\n// Get the child node at the given index. Raise an error when the\n// index is out of range.\n\n\nFragment.prototype.child = function child(index) {\n var found = this.content[index];\n\n if (!found) {\n throw new RangeError(\"Index \" + index + \" out of range for \" + this);\n }\n\n return found;\n}; // :: (number) → ?Node\n// Get the child node at the given index, if it exists.\n\n\nFragment.prototype.maybeChild = function maybeChild(index) {\n return this.content[index];\n}; // :: ((node: Node, offset: number, index: number))\n// Call `f` for every child node, passing the node, its offset\n// into this parent node, and its index.\n\n\nFragment.prototype.forEach = function forEach(f) {\n for (var i = 0, p = 0; i < this.content.length; i++) {\n var child = this.content[i];\n f(child, p, i);\n p += child.nodeSize;\n }\n}; // :: (Fragment) → ?number\n// Find the first position at which this fragment and another\n// fragment differ, or `null` if they are the same.\n\n\nFragment.prototype.findDiffStart = function findDiffStart$1(other, pos) {\n if (pos === void 0) pos = 0;\n return findDiffStart(this, other, pos);\n}; // :: (Fragment) → ?{a: number, b: number}\n// Find the first position, searching from the end, at which this\n// fragment and the given fragment differ, or `null` if they are the\n// same. Since this position will not be the same in both nodes, an\n// object with two separate positions is returned.\n\n\nFragment.prototype.findDiffEnd = function findDiffEnd$1(other, pos, otherPos) {\n if (pos === void 0) pos = this.size;\n if (otherPos === void 0) otherPos = other.size;\n return findDiffEnd(this, other, pos, otherPos);\n}; // : (number, ?number) → {index: number, offset: number}\n// Find the index and inner offset corresponding to a given relative\n// position in this fragment. The result object will be reused\n// (overwritten) the next time the function is called. (Not public.)\n\n\nFragment.prototype.findIndex = function findIndex(pos, round) {\n if (round === void 0) round = -1;\n\n if (pos == 0) {\n return retIndex(0, pos);\n }\n\n if (pos == this.size) {\n return retIndex(this.content.length, pos);\n }\n\n if (pos > this.size || pos < 0) {\n throw new RangeError(\"Position \" + pos + \" outside of fragment (\" + this + \")\");\n }\n\n for (var i = 0, curPos = 0;; i++) {\n var cur = this.child(i),\n end = curPos + cur.nodeSize;\n\n if (end >= pos) {\n if (end == pos || round > 0) {\n return retIndex(i + 1, end);\n }\n\n return retIndex(i, curPos);\n }\n\n curPos = end;\n }\n}; // :: () → string\n// Return a debugging string that describes this fragment.\n\n\nFragment.prototype.toString = function toString() {\n return \"<\" + this.toStringInner() + \">\";\n};\n\nFragment.prototype.toStringInner = function toStringInner() {\n return this.content.join(\", \");\n}; // :: () → ?Object\n// Create a JSON-serializeable representation of this fragment.\n\n\nFragment.prototype.toJSON = function toJSON() {\n return this.content.length ? this.content.map(function (n) {\n return n.toJSON();\n }) : null;\n}; // :: (Schema, ?Object) → Fragment\n// Deserialize a fragment from its JSON representation.\n\n\nFragment.fromJSON = function fromJSON(schema, value) {\n if (!value) {\n return Fragment.empty;\n }\n\n if (!Array.isArray(value)) {\n throw new RangeError(\"Invalid input for Fragment.fromJSON\");\n }\n\n return new Fragment(value.map(schema.nodeFromJSON));\n}; // :: ([Node]) → Fragment\n// Build a fragment from an array of nodes. Ensures that adjacent\n// text nodes with the same marks are joined together.\n\n\nFragment.fromArray = function fromArray(array) {\n if (!array.length) {\n return Fragment.empty;\n }\n\n var joined,\n size = 0;\n\n for (var i = 0; i < array.length; i++) {\n var node = array[i];\n size += node.nodeSize;\n\n if (i && node.isText && array[i - 1].sameMarkup(node)) {\n if (!joined) {\n joined = array.slice(0, i);\n }\n\n joined[joined.length - 1] = node.withText(joined[joined.length - 1].text + node.text);\n } else if (joined) {\n joined.push(node);\n }\n }\n\n return new Fragment(joined || array, size);\n}; // :: (?union) → Fragment\n// Create a fragment from something that can be interpreted as a set\n// of nodes. For `null`, it returns the empty fragment. For a\n// fragment, the fragment itself. For a node or array of nodes, a\n// fragment containing those nodes.\n\n\nFragment.from = function from(nodes) {\n if (!nodes) {\n return Fragment.empty;\n }\n\n if (nodes instanceof Fragment) {\n return nodes;\n }\n\n if (Array.isArray(nodes)) {\n return this.fromArray(nodes);\n }\n\n if (nodes.attrs) {\n return new Fragment([nodes], nodes.nodeSize);\n }\n\n throw new RangeError(\"Can not convert \" + nodes + \" to a Fragment\" + (nodes.nodesBetween ? \" (looks like multiple versions of prosemirror-model were loaded)\" : \"\"));\n};\n\nObject.defineProperties(Fragment.prototype, prototypeAccessors);\nvar found = {\n index: 0,\n offset: 0\n};\n\nfunction retIndex(index, offset) {\n found.index = index;\n found.offset = offset;\n return found;\n} // :: Fragment\n// An empty fragment. Intended to be reused whenever a node doesn't\n// contain anything (rather than allocating a new empty fragment for\n// each leaf node).\n\n\nFragment.empty = new Fragment([], 0);\n\nfunction compareDeep(a, b) {\n if (a === b) {\n return true;\n }\n\n if (!(a && _typeof(a) == \"object\") || !(b && _typeof(b) == \"object\")) {\n return false;\n }\n\n var array = Array.isArray(a);\n\n if (Array.isArray(b) != array) {\n return false;\n }\n\n if (array) {\n if (a.length != b.length) {\n return false;\n }\n\n for (var i = 0; i < a.length; i++) {\n if (!compareDeep(a[i], b[i])) {\n return false;\n }\n }\n } else {\n for (var p in a) {\n if (!(p in b) || !compareDeep(a[p], b[p])) {\n return false;\n }\n }\n\n for (var p$1 in b) {\n if (!(p$1 in a)) {\n return false;\n }\n }\n }\n\n return true;\n} // ::- A mark is a piece of information that can be attached to a node,\n// such as it being emphasized, in code font, or a link. It has a type\n// and optionally a set of attributes that provide further information\n// (such as the target of the link). Marks are created through a\n// `Schema`, which controls which types exist and which\n// attributes they have.\n\n\nvar Mark = function Mark(type, attrs) {\n // :: MarkType\n // The type of this mark.\n this.type = type; // :: Object\n // The attributes associated with this mark.\n\n this.attrs = attrs;\n}; // :: ([Mark]) → [Mark]\n// Given a set of marks, create a new set which contains this one as\n// well, in the right position. If this mark is already in the set,\n// the set itself is returned. If any marks that are set to be\n// [exclusive](#model.MarkSpec.excludes) with this mark are present,\n// those are replaced by this one.\n\n\nMark.prototype.addToSet = function addToSet(set) {\n var copy,\n placed = false;\n\n for (var i = 0; i < set.length; i++) {\n var other = set[i];\n\n if (this.eq(other)) {\n return set;\n }\n\n if (this.type.excludes(other.type)) {\n if (!copy) {\n copy = set.slice(0, i);\n }\n } else if (other.type.excludes(this.type)) {\n return set;\n } else {\n if (!placed && other.type.rank > this.type.rank) {\n if (!copy) {\n copy = set.slice(0, i);\n }\n\n copy.push(this);\n placed = true;\n }\n\n if (copy) {\n copy.push(other);\n }\n }\n }\n\n if (!copy) {\n copy = set.slice();\n }\n\n if (!placed) {\n copy.push(this);\n }\n\n return copy;\n}; // :: ([Mark]) → [Mark]\n// Remove this mark from the given set, returning a new set. If this\n// mark is not in the set, the set itself is returned.\n\n\nMark.prototype.removeFromSet = function removeFromSet(set) {\n for (var i = 0; i < set.length; i++) {\n if (this.eq(set[i])) {\n return set.slice(0, i).concat(set.slice(i + 1));\n }\n }\n\n return set;\n}; // :: ([Mark]) → bool\n// Test whether this mark is in the given set of marks.\n\n\nMark.prototype.isInSet = function isInSet(set) {\n for (var i = 0; i < set.length; i++) {\n if (this.eq(set[i])) {\n return true;\n }\n }\n\n return false;\n}; // :: (Mark) → bool\n// Test whether this mark has the same type and attributes as\n// another mark.\n\n\nMark.prototype.eq = function eq(other) {\n return this == other || this.type == other.type && compareDeep(this.attrs, other.attrs);\n}; // :: () → Object\n// Convert this mark to a JSON-serializeable representation.\n\n\nMark.prototype.toJSON = function toJSON() {\n var obj = {\n type: this.type.name\n };\n\n for (var _ in this.attrs) {\n obj.attrs = this.attrs;\n break;\n }\n\n return obj;\n}; // :: (Schema, Object) → Mark\n\n\nMark.fromJSON = function fromJSON(schema, json) {\n if (!json) {\n throw new RangeError(\"Invalid input for Mark.fromJSON\");\n }\n\n var type = schema.marks[json.type];\n\n if (!type) {\n throw new RangeError(\"There is no mark type \" + json.type + \" in this schema\");\n }\n\n return type.create(json.attrs);\n}; // :: ([Mark], [Mark]) → bool\n// Test whether two sets of marks are identical.\n\n\nMark.sameSet = function sameSet(a, b) {\n if (a == b) {\n return true;\n }\n\n if (a.length != b.length) {\n return false;\n }\n\n for (var i = 0; i < a.length; i++) {\n if (!a[i].eq(b[i])) {\n return false;\n }\n }\n\n return true;\n}; // :: (?union) → [Mark]\n// Create a properly sorted mark set from null, a single mark, or an\n// unsorted array of marks.\n\n\nMark.setFrom = function setFrom(marks) {\n if (!marks || marks.length == 0) {\n return Mark.none;\n }\n\n if (marks instanceof Mark) {\n return [marks];\n }\n\n var copy = marks.slice();\n copy.sort(function (a, b) {\n return a.type.rank - b.type.rank;\n });\n return copy;\n}; // :: [Mark] The empty set of marks.\n\n\nMark.none = []; // ReplaceError:: class extends Error\n// Error type raised by [`Node.replace`](#model.Node.replace) when\n// given an invalid replacement.\n\nfunction ReplaceError(message) {\n var err = Error.call(this, message);\n err.__proto__ = ReplaceError.prototype;\n return err;\n}\n\nReplaceError.prototype = Object.create(Error.prototype);\nReplaceError.prototype.constructor = ReplaceError;\nReplaceError.prototype.name = \"ReplaceError\"; // ::- A slice represents a piece cut out of a larger document. It\n// stores not only a fragment, but also the depth up to which nodes on\n// both side are ‘open’ (cut through).\n\nvar Slice = function Slice(content, openStart, openEnd) {\n // :: Fragment The slice's content.\n this.content = content; // :: number The open depth at the start.\n\n this.openStart = openStart; // :: number The open depth at the end.\n\n this.openEnd = openEnd;\n};\n\nvar prototypeAccessors$1 = {\n size: {\n configurable: true\n }\n}; // :: number\n// The size this slice would add when inserted into a document.\n\nprototypeAccessors$1.size.get = function () {\n return this.content.size - this.openStart - this.openEnd;\n};\n\nSlice.prototype.insertAt = function insertAt(pos, fragment) {\n var content = insertInto(this.content, pos + this.openStart, fragment, null);\n return content && new Slice(content, this.openStart, this.openEnd);\n};\n\nSlice.prototype.removeBetween = function removeBetween(from, to) {\n return new Slice(removeRange(this.content, from + this.openStart, to + this.openStart), this.openStart, this.openEnd);\n}; // :: (Slice) → bool\n// Tests whether this slice is equal to another slice.\n\n\nSlice.prototype.eq = function eq(other) {\n return this.content.eq(other.content) && this.openStart == other.openStart && this.openEnd == other.openEnd;\n};\n\nSlice.prototype.toString = function toString() {\n return this.content + \"(\" + this.openStart + \",\" + this.openEnd + \")\";\n}; // :: () → ?Object\n// Convert a slice to a JSON-serializable representation.\n\n\nSlice.prototype.toJSON = function toJSON() {\n if (!this.content.size) {\n return null;\n }\n\n var json = {\n content: this.content.toJSON()\n };\n\n if (this.openStart > 0) {\n json.openStart = this.openStart;\n }\n\n if (this.openEnd > 0) {\n json.openEnd = this.openEnd;\n }\n\n return json;\n}; // :: (Schema, ?Object) → Slice\n// Deserialize a slice from its JSON representation.\n\n\nSlice.fromJSON = function fromJSON(schema, json) {\n if (!json) {\n return Slice.empty;\n }\n\n var openStart = json.openStart || 0,\n openEnd = json.openEnd || 0;\n\n if (typeof openStart != \"number\" || typeof openEnd != \"number\") {\n throw new RangeError(\"Invalid input for Slice.fromJSON\");\n }\n\n return new Slice(Fragment.fromJSON(schema, json.content), json.openStart || 0, json.openEnd || 0);\n}; // :: (Fragment, ?bool) → Slice\n// Create a slice from a fragment by taking the maximum possible\n// open value on both side of the fragment.\n\n\nSlice.maxOpen = function maxOpen(fragment, openIsolating) {\n if (openIsolating === void 0) openIsolating = true;\n var openStart = 0,\n openEnd = 0;\n\n for (var n = fragment.firstChild; n && !n.isLeaf && (openIsolating || !n.type.spec.isolating); n = n.firstChild) {\n openStart++;\n }\n\n for (var n$1 = fragment.lastChild; n$1 && !n$1.isLeaf && (openIsolating || !n$1.type.spec.isolating); n$1 = n$1.lastChild) {\n openEnd++;\n }\n\n return new Slice(fragment, openStart, openEnd);\n};\n\nObject.defineProperties(Slice.prototype, prototypeAccessors$1);\n\nfunction removeRange(content, from, to) {\n var ref = content.findIndex(from);\n var index = ref.index;\n var offset = ref.offset;\n var child = content.maybeChild(index);\n var ref$1 = content.findIndex(to);\n var indexTo = ref$1.index;\n var offsetTo = ref$1.offset;\n\n if (offset == from || child.isText) {\n if (offsetTo != to && !content.child(indexTo).isText) {\n throw new RangeError(\"Removing non-flat range\");\n }\n\n return content.cut(0, from).append(content.cut(to));\n }\n\n if (index != indexTo) {\n throw new RangeError(\"Removing non-flat range\");\n }\n\n return content.replaceChild(index, child.copy(removeRange(child.content, from - offset - 1, to - offset - 1)));\n}\n\nfunction insertInto(content, dist, insert, parent) {\n var ref = content.findIndex(dist);\n var index = ref.index;\n var offset = ref.offset;\n var child = content.maybeChild(index);\n\n if (offset == dist || child.isText) {\n if (parent && !parent.canReplace(index, index, insert)) {\n return null;\n }\n\n return content.cut(0, dist).append(insert).append(content.cut(dist));\n }\n\n var inner = insertInto(child.content, dist - offset - 1, insert);\n return inner && content.replaceChild(index, child.copy(inner));\n} // :: Slice\n// The empty slice.\n\n\nSlice.empty = new Slice(Fragment.empty, 0, 0);\n\nfunction replace($from, $to, slice) {\n if (slice.openStart > $from.depth) {\n throw new ReplaceError(\"Inserted content deeper than insertion position\");\n }\n\n if ($from.depth - slice.openStart != $to.depth - slice.openEnd) {\n throw new ReplaceError(\"Inconsistent open depths\");\n }\n\n return replaceOuter($from, $to, slice, 0);\n}\n\nfunction replaceOuter($from, $to, slice, depth) {\n var index = $from.index(depth),\n node = $from.node(depth);\n\n if (index == $to.index(depth) && depth < $from.depth - slice.openStart) {\n var inner = replaceOuter($from, $to, slice, depth + 1);\n return node.copy(node.content.replaceChild(index, inner));\n } else if (!slice.content.size) {\n return close(node, replaceTwoWay($from, $to, depth));\n } else if (!slice.openStart && !slice.openEnd && $from.depth == depth && $to.depth == depth) {\n // Simple, flat case\n var parent = $from.parent,\n content = parent.content;\n return close(parent, content.cut(0, $from.parentOffset).append(slice.content).append(content.cut($to.parentOffset)));\n } else {\n var ref = prepareSliceForReplace(slice, $from);\n var start = ref.start;\n var end = ref.end;\n return close(node, replaceThreeWay($from, start, end, $to, depth));\n }\n}\n\nfunction checkJoin(main, sub) {\n if (!sub.type.compatibleContent(main.type)) {\n throw new ReplaceError(\"Cannot join \" + sub.type.name + \" onto \" + main.type.name);\n }\n}\n\nfunction joinable($before, $after, depth) {\n var node = $before.node(depth);\n checkJoin(node, $after.node(depth));\n return node;\n}\n\nfunction addNode(child, target) {\n var last = target.length - 1;\n\n if (last >= 0 && child.isText && child.sameMarkup(target[last])) {\n target[last] = child.withText(target[last].text + child.text);\n } else {\n target.push(child);\n }\n}\n\nfunction addRange($start, $end, depth, target) {\n var node = ($end || $start).node(depth);\n var startIndex = 0,\n endIndex = $end ? $end.index(depth) : node.childCount;\n\n if ($start) {\n startIndex = $start.index(depth);\n\n if ($start.depth > depth) {\n startIndex++;\n } else if ($start.textOffset) {\n addNode($start.nodeAfter, target);\n startIndex++;\n }\n }\n\n for (var i = startIndex; i < endIndex; i++) {\n addNode(node.child(i), target);\n }\n\n if ($end && $end.depth == depth && $end.textOffset) {\n addNode($end.nodeBefore, target);\n }\n}\n\nfunction close(node, content) {\n if (!node.type.validContent(content)) {\n throw new ReplaceError(\"Invalid content for node \" + node.type.name);\n }\n\n return node.copy(content);\n}\n\nfunction replaceThreeWay($from, $start, $end, $to, depth) {\n var openStart = $from.depth > depth && joinable($from, $start, depth + 1);\n var openEnd = $to.depth > depth && joinable($end, $to, depth + 1);\n var content = [];\n addRange(null, $from, depth, content);\n\n if (openStart && openEnd && $start.index(depth) == $end.index(depth)) {\n checkJoin(openStart, openEnd);\n addNode(close(openStart, replaceThreeWay($from, $start, $end, $to, depth + 1)), content);\n } else {\n if (openStart) {\n addNode(close(openStart, replaceTwoWay($from, $start, depth + 1)), content);\n }\n\n addRange($start, $end, depth, content);\n\n if (openEnd) {\n addNode(close(openEnd, replaceTwoWay($end, $to, depth + 1)), content);\n }\n }\n\n addRange($to, null, depth, content);\n return new Fragment(content);\n}\n\nfunction replaceTwoWay($from, $to, depth) {\n var content = [];\n addRange(null, $from, depth, content);\n\n if ($from.depth > depth) {\n var type = joinable($from, $to, depth + 1);\n addNode(close(type, replaceTwoWay($from, $to, depth + 1)), content);\n }\n\n addRange($to, null, depth, content);\n return new Fragment(content);\n}\n\nfunction prepareSliceForReplace(slice, $along) {\n var extra = $along.depth - slice.openStart,\n parent = $along.node(extra);\n var node = parent.copy(slice.content);\n\n for (var i = extra - 1; i >= 0; i--) {\n node = $along.node(i).copy(Fragment.from(node));\n }\n\n return {\n start: node.resolveNoCache(slice.openStart + extra),\n end: node.resolveNoCache(node.content.size - slice.openEnd - extra)\n };\n} // ::- You can [_resolve_](#model.Node.resolve) a position to get more\n// information about it. Objects of this class represent such a\n// resolved position, providing various pieces of context information,\n// and some helper methods.\n//\n// Throughout this interface, methods that take an optional `depth`\n// parameter will interpret undefined as `this.depth` and negative\n// numbers as `this.depth + value`.\n\n\nvar ResolvedPos = function ResolvedPos(pos, path, parentOffset) {\n // :: number The position that was resolved.\n this.pos = pos;\n this.path = path; // :: number\n // The number of levels the parent node is from the root. If this\n // position points directly into the root node, it is 0. If it\n // points into a top-level paragraph, 1, and so on.\n\n this.depth = path.length / 3 - 1; // :: number The offset this position has into its parent node.\n\n this.parentOffset = parentOffset;\n};\n\nvar prototypeAccessors$2 = {\n parent: {\n configurable: true\n },\n doc: {\n configurable: true\n },\n textOffset: {\n configurable: true\n },\n nodeAfter: {\n configurable: true\n },\n nodeBefore: {\n configurable: true\n }\n};\n\nResolvedPos.prototype.resolveDepth = function resolveDepth(val) {\n if (val == null) {\n return this.depth;\n }\n\n if (val < 0) {\n return this.depth + val;\n }\n\n return val;\n}; // :: Node\n// The parent node that the position points into. Note that even if\n// a position points into a text node, that node is not considered\n// the parent—text nodes are ‘flat’ in this model, and have no content.\n\n\nprototypeAccessors$2.parent.get = function () {\n return this.node(this.depth);\n}; // :: Node\n// The root node in which the position was resolved.\n\n\nprototypeAccessors$2.doc.get = function () {\n return this.node(0);\n}; // :: (?number) → Node\n// The ancestor node at the given level. `p.node(p.depth)` is the\n// same as `p.parent`.\n\n\nResolvedPos.prototype.node = function node(depth) {\n return this.path[this.resolveDepth(depth) * 3];\n}; // :: (?number) → number\n// The index into the ancestor at the given level. If this points at\n// the 3rd node in the 2nd paragraph on the top level, for example,\n// `p.index(0)` is 1 and `p.index(1)` is 2.\n\n\nResolvedPos.prototype.index = function index(depth) {\n return this.path[this.resolveDepth(depth) * 3 + 1];\n}; // :: (?number) → number\n// The index pointing after this position into the ancestor at the\n// given level.\n\n\nResolvedPos.prototype.indexAfter = function indexAfter(depth) {\n depth = this.resolveDepth(depth);\n return this.index(depth) + (depth == this.depth && !this.textOffset ? 0 : 1);\n}; // :: (?number) → number\n// The (absolute) position at the start of the node at the given\n// level.\n\n\nResolvedPos.prototype.start = function start(depth) {\n depth = this.resolveDepth(depth);\n return depth == 0 ? 0 : this.path[depth * 3 - 1] + 1;\n}; // :: (?number) → number\n// The (absolute) position at the end of the node at the given\n// level.\n\n\nResolvedPos.prototype.end = function end(depth) {\n depth = this.resolveDepth(depth);\n return this.start(depth) + this.node(depth).content.size;\n}; // :: (?number) → number\n// The (absolute) position directly before the wrapping node at the\n// given level, or, when `depth` is `this.depth + 1`, the original\n// position.\n\n\nResolvedPos.prototype.before = function before(depth) {\n depth = this.resolveDepth(depth);\n\n if (!depth) {\n throw new RangeError(\"There is no position before the top-level node\");\n }\n\n return depth == this.depth + 1 ? this.pos : this.path[depth * 3 - 1];\n}; // :: (?number) → number\n// The (absolute) position directly after the wrapping node at the\n// given level, or the original position when `depth` is `this.depth + 1`.\n\n\nResolvedPos.prototype.after = function after(depth) {\n depth = this.resolveDepth(depth);\n\n if (!depth) {\n throw new RangeError(\"There is no position after the top-level node\");\n }\n\n return depth == this.depth + 1 ? this.pos : this.path[depth * 3 - 1] + this.path[depth * 3].nodeSize;\n}; // :: number\n// When this position points into a text node, this returns the\n// distance between the position and the start of the text node.\n// Will be zero for positions that point between nodes.\n\n\nprototypeAccessors$2.textOffset.get = function () {\n return this.pos - this.path[this.path.length - 1];\n}; // :: ?Node\n// Get the node directly after the position, if any. If the position\n// points into a text node, only the part of that node after the\n// position is returned.\n\n\nprototypeAccessors$2.nodeAfter.get = function () {\n var parent = this.parent,\n index = this.index(this.depth);\n\n if (index == parent.childCount) {\n return null;\n }\n\n var dOff = this.pos - this.path[this.path.length - 1],\n child = parent.child(index);\n return dOff ? parent.child(index).cut(dOff) : child;\n}; // :: ?Node\n// Get the node directly before the position, if any. If the\n// position points into a text node, only the part of that node\n// before the position is returned.\n\n\nprototypeAccessors$2.nodeBefore.get = function () {\n var index = this.index(this.depth);\n var dOff = this.pos - this.path[this.path.length - 1];\n\n if (dOff) {\n return this.parent.child(index).cut(0, dOff);\n }\n\n return index == 0 ? null : this.parent.child(index - 1);\n}; // :: () → [Mark]\n// Get the marks at this position, factoring in the surrounding\n// marks' [`inclusive`](#model.MarkSpec.inclusive) property. If the\n// position is at the start of a non-empty node, the marks of the\n// node after it (if any) are returned.\n\n\nResolvedPos.prototype.marks = function marks() {\n var parent = this.parent,\n index = this.index(); // In an empty parent, return the empty array\n\n if (parent.content.size == 0) {\n return Mark.none;\n } // When inside a text node, just return the text node's marks\n\n\n if (this.textOffset) {\n return parent.child(index).marks;\n }\n\n var main = parent.maybeChild(index - 1),\n other = parent.maybeChild(index); // If the `after` flag is true of there is no node before, make\n // the node after this position the main reference.\n\n if (!main) {\n var tmp = main;\n main = other;\n other = tmp;\n } // Use all marks in the main node, except those that have\n // `inclusive` set to false and are not present in the other node.\n\n\n var marks = main.marks;\n\n for (var i = 0; i < marks.length; i++) {\n if (marks[i].type.spec.inclusive === false && (!other || !marks[i].isInSet(other.marks))) {\n marks = marks[i--].removeFromSet(marks);\n }\n }\n\n return marks;\n}; // :: (ResolvedPos) → ?[Mark]\n// Get the marks after the current position, if any, except those\n// that are non-inclusive and not present at position `$end`. This\n// is mostly useful for getting the set of marks to preserve after a\n// deletion. Will return `null` if this position is at the end of\n// its parent node or its parent node isn't a textblock (in which\n// case no marks should be preserved).\n\n\nResolvedPos.prototype.marksAcross = function marksAcross($end) {\n var after = this.parent.maybeChild(this.index());\n\n if (!after || !after.isInline) {\n return null;\n }\n\n var marks = after.marks,\n next = $end.parent.maybeChild($end.index());\n\n for (var i = 0; i < marks.length; i++) {\n if (marks[i].type.spec.inclusive === false && (!next || !marks[i].isInSet(next.marks))) {\n marks = marks[i--].removeFromSet(marks);\n }\n }\n\n return marks;\n}; // :: (number) → number\n// The depth up to which this position and the given (non-resolved)\n// position share the same parent nodes.\n\n\nResolvedPos.prototype.sharedDepth = function sharedDepth(pos) {\n for (var depth = this.depth; depth > 0; depth--) {\n if (this.start(depth) <= pos && this.end(depth) >= pos) {\n return depth;\n }\n }\n\n return 0;\n}; // :: (?ResolvedPos, ?(Node) → bool) → ?NodeRange\n// Returns a range based on the place where this position and the\n// given position diverge around block content. If both point into\n// the same textblock, for example, a range around that textblock\n// will be returned. If they point into different blocks, the range\n// around those blocks in their shared ancestor is returned. You can\n// pass in an optional predicate that will be called with a parent\n// node to see if a range into that parent is acceptable.\n\n\nResolvedPos.prototype.blockRange = function blockRange(other, pred) {\n if (other === void 0) other = this;\n\n if (other.pos < this.pos) {\n return other.blockRange(this);\n }\n\n for (var d = this.depth - (this.parent.inlineContent || this.pos == other.pos ? 1 : 0); d >= 0; d--) {\n if (other.pos <= this.end(d) && (!pred || pred(this.node(d)))) {\n return new NodeRange(this, other, d);\n }\n }\n}; // :: (ResolvedPos) → bool\n// Query whether the given position shares the same parent node.\n\n\nResolvedPos.prototype.sameParent = function sameParent(other) {\n return this.pos - this.parentOffset == other.pos - other.parentOffset;\n}; // :: (ResolvedPos) → ResolvedPos\n// Return the greater of this and the given position.\n\n\nResolvedPos.prototype.max = function max(other) {\n return other.pos > this.pos ? other : this;\n}; // :: (ResolvedPos) → ResolvedPos\n// Return the smaller of this and the given position.\n\n\nResolvedPos.prototype.min = function min(other) {\n return other.pos < this.pos ? other : this;\n};\n\nResolvedPos.prototype.toString = function toString() {\n var str = \"\";\n\n for (var i = 1; i <= this.depth; i++) {\n str += (str ? \"/\" : \"\") + this.node(i).type.name + \"_\" + this.index(i - 1);\n }\n\n return str + \":\" + this.parentOffset;\n};\n\nResolvedPos.resolve = function resolve(doc, pos) {\n if (!(pos >= 0 && pos <= doc.content.size)) {\n throw new RangeError(\"Position \" + pos + \" out of range\");\n }\n\n var path = [];\n var start = 0,\n parentOffset = pos;\n\n for (var node = doc;;) {\n var ref = node.content.findIndex(parentOffset);\n var index = ref.index;\n var offset = ref.offset;\n var rem = parentOffset - offset;\n path.push(node, index, start + offset);\n\n if (!rem) {\n break;\n }\n\n node = node.child(index);\n\n if (node.isText) {\n break;\n }\n\n parentOffset = rem - 1;\n start += offset + 1;\n }\n\n return new ResolvedPos(pos, path, parentOffset);\n};\n\nResolvedPos.resolveCached = function resolveCached(doc, pos) {\n for (var i = 0; i < resolveCache.length; i++) {\n var cached = resolveCache[i];\n\n if (cached.pos == pos && cached.doc == doc) {\n return cached;\n }\n }\n\n var result = resolveCache[resolveCachePos] = ResolvedPos.resolve(doc, pos);\n resolveCachePos = (resolveCachePos + 1) % resolveCacheSize;\n return result;\n};\n\nObject.defineProperties(ResolvedPos.prototype, prototypeAccessors$2);\nvar resolveCache = [],\n resolveCachePos = 0,\n resolveCacheSize = 12; // ::- Represents a flat range of content, i.e. one that starts and\n// ends in the same node.\n\nvar NodeRange = function NodeRange($from, $to, depth) {\n // :: ResolvedPos A resolved position along the start of the\n // content. May have a `depth` greater than this object's `depth`\n // property, since these are the positions that were used to\n // compute the range, not re-resolved positions directly at its\n // boundaries.\n this.$from = $from; // :: ResolvedPos A position along the end of the content. See\n // caveat for [`$from`](#model.NodeRange.$from).\n\n this.$to = $to; // :: number The depth of the node that this range points into.\n\n this.depth = depth;\n};\n\nvar prototypeAccessors$1$1 = {\n start: {\n configurable: true\n },\n end: {\n configurable: true\n },\n parent: {\n configurable: true\n },\n startIndex: {\n configurable: true\n },\n endIndex: {\n configurable: true\n }\n}; // :: number The position at the start of the range.\n\nprototypeAccessors$1$1.start.get = function () {\n return this.$from.before(this.depth + 1);\n}; // :: number The position at the end of the range.\n\n\nprototypeAccessors$1$1.end.get = function () {\n return this.$to.after(this.depth + 1);\n}; // :: Node The parent node that the range points into.\n\n\nprototypeAccessors$1$1.parent.get = function () {\n return this.$from.node(this.depth);\n}; // :: number The start index of the range in the parent node.\n\n\nprototypeAccessors$1$1.startIndex.get = function () {\n return this.$from.index(this.depth);\n}; // :: number The end index of the range in the parent node.\n\n\nprototypeAccessors$1$1.endIndex.get = function () {\n return this.$to.indexAfter(this.depth);\n};\n\nObject.defineProperties(NodeRange.prototype, prototypeAccessors$1$1);\nvar emptyAttrs = Object.create(null); // ::- This class represents a node in the tree that makes up a\n// ProseMirror document. So a document is an instance of `Node`, with\n// children that are also instances of `Node`.\n//\n// Nodes are persistent data structures. Instead of changing them, you\n// create new ones with the content you want. Old ones keep pointing\n// at the old document shape. This is made cheaper by sharing\n// structure between the old and new data as much as possible, which a\n// tree shape like this (without back pointers) makes easy.\n//\n// **Do not** directly mutate the properties of a `Node` object. See\n// [the guide](/docs/guide/#doc) for more information.\n\nvar Node = function Node(type, attrs, content, marks) {\n // :: NodeType\n // The type of node that this is.\n this.type = type; // :: Object\n // An object mapping attribute names to values. The kind of\n // attributes allowed and required are\n // [determined](#model.NodeSpec.attrs) by the node type.\n\n this.attrs = attrs; // :: Fragment\n // A container holding the node's children.\n\n this.content = content || Fragment.empty; // :: [Mark]\n // The marks (things like whether it is emphasized or part of a\n // link) applied to this node.\n\n this.marks = marks || Mark.none;\n};\n\nvar prototypeAccessors$3 = {\n nodeSize: {\n configurable: true\n },\n childCount: {\n configurable: true\n },\n textContent: {\n configurable: true\n },\n firstChild: {\n configurable: true\n },\n lastChild: {\n configurable: true\n },\n isBlock: {\n configurable: true\n },\n isTextblock: {\n configurable: true\n },\n inlineContent: {\n configurable: true\n },\n isInline: {\n configurable: true\n },\n isText: {\n configurable: true\n },\n isLeaf: {\n configurable: true\n },\n isAtom: {\n configurable: true\n }\n}; // text:: ?string\n// For text nodes, this contains the node's text content.\n// :: number\n// The size of this node, as defined by the integer-based [indexing\n// scheme](/docs/guide/#doc.indexing). For text nodes, this is the\n// amount of characters. For other leaf nodes, it is one. For\n// non-leaf nodes, it is the size of the content plus two (the start\n// and end token).\n\nprototypeAccessors$3.nodeSize.get = function () {\n return this.isLeaf ? 1 : 2 + this.content.size;\n}; // :: number\n// The number of children that the node has.\n\n\nprototypeAccessors$3.childCount.get = function () {\n return this.content.childCount;\n}; // :: (number) → Node\n// Get the child node at the given index. Raises an error when the\n// index is out of range.\n\n\nNode.prototype.child = function child(index) {\n return this.content.child(index);\n}; // :: (number) → ?Node\n// Get the child node at the given index, if it exists.\n\n\nNode.prototype.maybeChild = function maybeChild(index) {\n return this.content.maybeChild(index);\n}; // :: ((node: Node, offset: number, index: number))\n// Call `f` for every child node, passing the node, its offset\n// into this parent node, and its index.\n\n\nNode.prototype.forEach = function forEach(f) {\n this.content.forEach(f);\n}; // :: (number, number, (node: Node, pos: number, parent: Node, index: number) → ?bool, ?number)\n// Invoke a callback for all descendant nodes recursively between\n// the given two positions that are relative to start of this node's\n// content. The callback is invoked with the node, its\n// parent-relative position, its parent node, and its child index.\n// When the callback returns false for a given node, that node's\n// children will not be recursed over. The last parameter can be\n// used to specify a starting position to count from.\n\n\nNode.prototype.nodesBetween = function nodesBetween(from, to, f, startPos) {\n if (startPos === void 0) startPos = 0;\n this.content.nodesBetween(from, to, f, startPos, this);\n}; // :: ((node: Node, pos: number, parent: Node) → ?bool)\n// Call the given callback for every descendant node. Doesn't\n// descend into a node when the callback returns `false`.\n\n\nNode.prototype.descendants = function descendants(f) {\n this.nodesBetween(0, this.content.size, f);\n}; // :: string\n// Concatenates all the text nodes found in this fragment and its\n// children.\n\n\nprototypeAccessors$3.textContent.get = function () {\n return this.textBetween(0, this.content.size, \"\");\n}; // :: (number, number, ?string, ?string) → string\n// Get all text between positions `from` and `to`. When\n// `blockSeparator` is given, it will be inserted whenever a new\n// block node is started. When `leafText` is given, it'll be\n// inserted for every non-text leaf node encountered.\n\n\nNode.prototype.textBetween = function textBetween(from, to, blockSeparator, leafText) {\n return this.content.textBetween(from, to, blockSeparator, leafText);\n}; // :: ?Node\n// Returns this node's first child, or `null` if there are no\n// children.\n\n\nprototypeAccessors$3.firstChild.get = function () {\n return this.content.firstChild;\n}; // :: ?Node\n// Returns this node's last child, or `null` if there are no\n// children.\n\n\nprototypeAccessors$3.lastChild.get = function () {\n return this.content.lastChild;\n}; // :: (Node) → bool\n// Test whether two nodes represent the same piece of document.\n\n\nNode.prototype.eq = function eq(other) {\n return this == other || this.sameMarkup(other) && this.content.eq(other.content);\n}; // :: (Node) → bool\n// Compare the markup (type, attributes, and marks) of this node to\n// those of another. Returns `true` if both have the same markup.\n\n\nNode.prototype.sameMarkup = function sameMarkup(other) {\n return this.hasMarkup(other.type, other.attrs, other.marks);\n}; // :: (NodeType, ?Object, ?[Mark]) → bool\n// Check whether this node's markup correspond to the given type,\n// attributes, and marks.\n\n\nNode.prototype.hasMarkup = function hasMarkup(type, attrs, marks) {\n return this.type == type && compareDeep(this.attrs, attrs || type.defaultAttrs || emptyAttrs) && Mark.sameSet(this.marks, marks || Mark.none);\n}; // :: (?Fragment) → Node\n// Create a new node with the same markup as this node, containing\n// the given content (or empty, if no content is given).\n\n\nNode.prototype.copy = function copy(content) {\n if (content === void 0) content = null;\n\n if (content == this.content) {\n return this;\n }\n\n return new this.constructor(this.type, this.attrs, content, this.marks);\n}; // :: ([Mark]) → Node\n// Create a copy of this node, with the given set of marks instead\n// of the node's own marks.\n\n\nNode.prototype.mark = function mark(marks) {\n return marks == this.marks ? this : new this.constructor(this.type, this.attrs, this.content, marks);\n}; // :: (number, ?number) → Node\n// Create a copy of this node with only the content between the\n// given positions. If `to` is not given, it defaults to the end of\n// the node.\n\n\nNode.prototype.cut = function cut(from, to) {\n if (from == 0 && to == this.content.size) {\n return this;\n }\n\n return this.copy(this.content.cut(from, to));\n}; // :: (number, ?number) → Slice\n// Cut out the part of the document between the given positions, and\n// return it as a `Slice` object.\n\n\nNode.prototype.slice = function slice(from, to, includeParents) {\n if (to === void 0) to = this.content.size;\n if (includeParents === void 0) includeParents = false;\n\n if (from == to) {\n return Slice.empty;\n }\n\n var $from = this.resolve(from),\n $to = this.resolve(to);\n var depth = includeParents ? 0 : $from.sharedDepth(to);\n var start = $from.start(depth),\n node = $from.node(depth);\n var content = node.content.cut($from.pos - start, $to.pos - start);\n return new Slice(content, $from.depth - depth, $to.depth - depth);\n}; // :: (number, number, Slice) → Node\n// Replace the part of the document between the given positions with\n// the given slice. The slice must 'fit', meaning its open sides\n// must be able to connect to the surrounding content, and its\n// content nodes must be valid children for the node they are placed\n// into. If any of this is violated, an error of type\n// [`ReplaceError`](#model.ReplaceError) is thrown.\n\n\nNode.prototype.replace = function replace$1(from, to, slice) {\n return replace(this.resolve(from), this.resolve(to), slice);\n}; // :: (number) → ?Node\n// Find the node directly after the given position.\n\n\nNode.prototype.nodeAt = function nodeAt(pos) {\n for (var node = this;;) {\n var ref = node.content.findIndex(pos);\n var index = ref.index;\n var offset = ref.offset;\n node = node.maybeChild(index);\n\n if (!node) {\n return null;\n }\n\n if (offset == pos || node.isText) {\n return node;\n }\n\n pos -= offset + 1;\n }\n}; // :: (number) → {node: ?Node, index: number, offset: number}\n// Find the (direct) child node after the given offset, if any,\n// and return it along with its index and offset relative to this\n// node.\n\n\nNode.prototype.childAfter = function childAfter(pos) {\n var ref = this.content.findIndex(pos);\n var index = ref.index;\n var offset = ref.offset;\n return {\n node: this.content.maybeChild(index),\n index: index,\n offset: offset\n };\n}; // :: (number) → {node: ?Node, index: number, offset: number}\n// Find the (direct) child node before the given offset, if any,\n// and return it along with its index and offset relative to this\n// node.\n\n\nNode.prototype.childBefore = function childBefore(pos) {\n if (pos == 0) {\n return {\n node: null,\n index: 0,\n offset: 0\n };\n }\n\n var ref = this.content.findIndex(pos);\n var index = ref.index;\n var offset = ref.offset;\n\n if (offset < pos) {\n return {\n node: this.content.child(index),\n index: index,\n offset: offset\n };\n }\n\n var node = this.content.child(index - 1);\n return {\n node: node,\n index: index - 1,\n offset: offset - node.nodeSize\n };\n}; // :: (number) → ResolvedPos\n// Resolve the given position in the document, returning an\n// [object](#model.ResolvedPos) with information about its context.\n\n\nNode.prototype.resolve = function resolve(pos) {\n return ResolvedPos.resolveCached(this, pos);\n};\n\nNode.prototype.resolveNoCache = function resolveNoCache(pos) {\n return ResolvedPos.resolve(this, pos);\n}; // :: (number, number, MarkType) → bool\n// Test whether a mark of the given type occurs in this document\n// between the two given positions.\n\n\nNode.prototype.rangeHasMark = function rangeHasMark(from, to, type) {\n var found = false;\n\n if (to > from) {\n this.nodesBetween(from, to, function (node) {\n if (type.isInSet(node.marks)) {\n found = true;\n }\n\n return !found;\n });\n }\n\n return found;\n}; // :: bool\n// True when this is a block (non-inline node)\n\n\nprototypeAccessors$3.isBlock.get = function () {\n return this.type.isBlock;\n}; // :: bool\n// True when this is a textblock node, a block node with inline\n// content.\n\n\nprototypeAccessors$3.isTextblock.get = function () {\n return this.type.isTextblock;\n}; // :: bool\n// True when this node allows inline content.\n\n\nprototypeAccessors$3.inlineContent.get = function () {\n return this.type.inlineContent;\n}; // :: bool\n// True when this is an inline node (a text node or a node that can\n// appear among text).\n\n\nprototypeAccessors$3.isInline.get = function () {\n return this.type.isInline;\n}; // :: bool\n// True when this is a text node.\n\n\nprototypeAccessors$3.isText.get = function () {\n return this.type.isText;\n}; // :: bool\n// True when this is a leaf node.\n\n\nprototypeAccessors$3.isLeaf.get = function () {\n return this.type.isLeaf;\n}; // :: bool\n// True when this is an atom, i.e. when it does not have directly\n// editable content. This is usually the same as `isLeaf`, but can\n// be configured with the [`atom` property](#model.NodeSpec.atom) on\n// a node's spec (typically used when the node is displayed as an\n// uneditable [node view](#view.NodeView)).\n\n\nprototypeAccessors$3.isAtom.get = function () {\n return this.type.isAtom;\n}; // :: () → string\n// Return a string representation of this node for debugging\n// purposes.\n\n\nNode.prototype.toString = function toString() {\n if (this.type.spec.toDebugString) {\n return this.type.spec.toDebugString(this);\n }\n\n var name = this.type.name;\n\n if (this.content.size) {\n name += \"(\" + this.content.toStringInner() + \")\";\n }\n\n return wrapMarks(this.marks, name);\n}; // :: (number) → ContentMatch\n// Get the content match in this node at the given index.\n\n\nNode.prototype.contentMatchAt = function contentMatchAt(index) {\n var match = this.type.contentMatch.matchFragment(this.content, 0, index);\n\n if (!match) {\n throw new Error(\"Called contentMatchAt on a node with invalid content\");\n }\n\n return match;\n}; // :: (number, number, ?Fragment, ?number, ?number) → bool\n// Test whether replacing the range between `from` and `to` (by\n// child index) with the given replacement fragment (which defaults\n// to the empty fragment) would leave the node's content valid. You\n// can optionally pass `start` and `end` indices into the\n// replacement fragment.\n\n\nNode.prototype.canReplace = function canReplace(from, to, replacement, start, end) {\n if (replacement === void 0) replacement = Fragment.empty;\n if (start === void 0) start = 0;\n if (end === void 0) end = replacement.childCount;\n var one = this.contentMatchAt(from).matchFragment(replacement, start, end);\n var two = one && one.matchFragment(this.content, to);\n\n if (!two || !two.validEnd) {\n return false;\n }\n\n for (var i = start; i < end; i++) {\n if (!this.type.allowsMarks(replacement.child(i).marks)) {\n return false;\n }\n }\n\n return true;\n}; // :: (number, number, NodeType, ?[Mark]) → bool\n// Test whether replacing the range `from` to `to` (by index) with a\n// node of the given type would leave the node's content valid.\n\n\nNode.prototype.canReplaceWith = function canReplaceWith(from, to, type, marks) {\n if (marks && !this.type.allowsMarks(marks)) {\n return false;\n }\n\n var start = this.contentMatchAt(from).matchType(type);\n var end = start && start.matchFragment(this.content, to);\n return end ? end.validEnd : false;\n}; // :: (Node) → bool\n// Test whether the given node's content could be appended to this\n// node. If that node is empty, this will only return true if there\n// is at least one node type that can appear in both nodes (to avoid\n// merging completely incompatible nodes).\n\n\nNode.prototype.canAppend = function canAppend(other) {\n if (other.content.size) {\n return this.canReplace(this.childCount, this.childCount, other.content);\n } else {\n return this.type.compatibleContent(other.type);\n }\n}; // :: ()\n// Check whether this node and its descendants conform to the\n// schema, and raise error when they do not.\n\n\nNode.prototype.check = function check() {\n if (!this.type.validContent(this.content)) {\n throw new RangeError(\"Invalid content for node \" + this.type.name + \": \" + this.content.toString().slice(0, 50));\n }\n\n this.content.forEach(function (node) {\n return node.check();\n });\n}; // :: () → Object\n// Return a JSON-serializeable representation of this node.\n\n\nNode.prototype.toJSON = function toJSON() {\n var obj = {\n type: this.type.name\n };\n\n for (var _ in this.attrs) {\n obj.attrs = this.attrs;\n break;\n }\n\n if (this.content.size) {\n obj.content = this.content.toJSON();\n }\n\n if (this.marks.length) {\n obj.marks = this.marks.map(function (n) {\n return n.toJSON();\n });\n }\n\n return obj;\n}; // :: (Schema, Object) → Node\n// Deserialize a node from its JSON representation.\n\n\nNode.fromJSON = function fromJSON(schema, json) {\n if (!json) {\n throw new RangeError(\"Invalid input for Node.fromJSON\");\n }\n\n var marks = null;\n\n if (json.marks) {\n if (!Array.isArray(json.marks)) {\n throw new RangeError(\"Invalid mark data for Node.fromJSON\");\n }\n\n marks = json.marks.map(schema.markFromJSON);\n }\n\n if (json.type == \"text\") {\n if (typeof json.text != \"string\") {\n throw new RangeError(\"Invalid text node in JSON\");\n }\n\n return schema.text(json.text, marks);\n }\n\n var content = Fragment.fromJSON(schema, json.content);\n return schema.nodeType(json.type).create(json.attrs, content, marks);\n};\n\nObject.defineProperties(Node.prototype, prototypeAccessors$3);\n\nvar TextNode = /*@__PURE__*/function (Node) {\n function TextNode(type, attrs, content, marks) {\n Node.call(this, type, attrs, null, marks);\n\n if (!content) {\n throw new RangeError(\"Empty text nodes are not allowed\");\n }\n\n this.text = content;\n }\n\n if (Node) TextNode.__proto__ = Node;\n TextNode.prototype = Object.create(Node && Node.prototype);\n TextNode.prototype.constructor = TextNode;\n var prototypeAccessors$1 = {\n textContent: {\n configurable: true\n },\n nodeSize: {\n configurable: true\n }\n };\n\n TextNode.prototype.toString = function toString() {\n if (this.type.spec.toDebugString) {\n return this.type.spec.toDebugString(this);\n }\n\n return wrapMarks(this.marks, JSON.stringify(this.text));\n };\n\n prototypeAccessors$1.textContent.get = function () {\n return this.text;\n };\n\n TextNode.prototype.textBetween = function textBetween(from, to) {\n return this.text.slice(from, to);\n };\n\n prototypeAccessors$1.nodeSize.get = function () {\n return this.text.length;\n };\n\n TextNode.prototype.mark = function mark(marks) {\n return marks == this.marks ? this : new TextNode(this.type, this.attrs, this.text, marks);\n };\n\n TextNode.prototype.withText = function withText(text) {\n if (text == this.text) {\n return this;\n }\n\n return new TextNode(this.type, this.attrs, text, this.marks);\n };\n\n TextNode.prototype.cut = function cut(from, to) {\n if (from === void 0) from = 0;\n if (to === void 0) to = this.text.length;\n\n if (from == 0 && to == this.text.length) {\n return this;\n }\n\n return this.withText(this.text.slice(from, to));\n };\n\n TextNode.prototype.eq = function eq(other) {\n return this.sameMarkup(other) && this.text == other.text;\n };\n\n TextNode.prototype.toJSON = function toJSON() {\n var base = Node.prototype.toJSON.call(this);\n base.text = this.text;\n return base;\n };\n\n Object.defineProperties(TextNode.prototype, prototypeAccessors$1);\n return TextNode;\n}(Node);\n\nfunction wrapMarks(marks, str) {\n for (var i = marks.length - 1; i >= 0; i--) {\n str = marks[i].type.name + \"(\" + str + \")\";\n }\n\n return str;\n} // ::- Instances of this class represent a match state of a node\n// type's [content expression](#model.NodeSpec.content), and can be\n// used to find out whether further content matches here, and whether\n// a given position is a valid end of the node.\n\n\nvar ContentMatch = function ContentMatch(validEnd) {\n // :: bool\n // True when this match state represents a valid end of the node.\n this.validEnd = validEnd;\n this.next = [];\n this.wrapCache = [];\n};\n\nvar prototypeAccessors$4 = {\n inlineContent: {\n configurable: true\n },\n defaultType: {\n configurable: true\n },\n edgeCount: {\n configurable: true\n }\n};\n\nContentMatch.parse = function parse(string, nodeTypes) {\n var stream = new TokenStream(string, nodeTypes);\n\n if (stream.next == null) {\n return ContentMatch.empty;\n }\n\n var expr = parseExpr(stream);\n\n if (stream.next) {\n stream.err(\"Unexpected trailing text\");\n }\n\n var match = dfa(nfa(expr));\n checkForDeadEnds(match, stream);\n return match;\n}; // :: (NodeType) → ?ContentMatch\n// Match a node type, returning a match after that node if\n// successful.\n\n\nContentMatch.prototype.matchType = function matchType(type) {\n for (var i = 0; i < this.next.length; i += 2) {\n if (this.next[i] == type) {\n return this.next[i + 1];\n }\n }\n\n return null;\n}; // :: (Fragment, ?number, ?number) → ?ContentMatch\n// Try to match a fragment. Returns the resulting match when\n// successful.\n\n\nContentMatch.prototype.matchFragment = function matchFragment(frag, start, end) {\n if (start === void 0) start = 0;\n if (end === void 0) end = frag.childCount;\n var cur = this;\n\n for (var i = start; cur && i < end; i++) {\n cur = cur.matchType(frag.child(i).type);\n }\n\n return cur;\n};\n\nprototypeAccessors$4.inlineContent.get = function () {\n var first = this.next[0];\n return first ? first.isInline : false;\n}; // :: ?NodeType\n// Get the first matching node type at this match position that can\n// be generated.\n\n\nprototypeAccessors$4.defaultType.get = function () {\n for (var i = 0; i < this.next.length; i += 2) {\n var type = this.next[i];\n\n if (!(type.isText || type.hasRequiredAttrs())) {\n return type;\n }\n }\n};\n\nContentMatch.prototype.compatible = function compatible(other) {\n for (var i = 0; i < this.next.length; i += 2) {\n for (var j = 0; j < other.next.length; j += 2) {\n if (this.next[i] == other.next[j]) {\n return true;\n }\n }\n }\n\n return false;\n}; // :: (Fragment, bool, ?number) → ?Fragment\n// Try to match the given fragment, and if that fails, see if it can\n// be made to match by inserting nodes in front of it. When\n// successful, return a fragment of inserted nodes (which may be\n// empty if nothing had to be inserted). When `toEnd` is true, only\n// return a fragment if the resulting match goes to the end of the\n// content expression.\n\n\nContentMatch.prototype.fillBefore = function fillBefore(after, toEnd, startIndex) {\n if (toEnd === void 0) toEnd = false;\n if (startIndex === void 0) startIndex = 0;\n var seen = [this];\n\n function search(match, types) {\n var finished = match.matchFragment(after, startIndex);\n\n if (finished && (!toEnd || finished.validEnd)) {\n return Fragment.from(types.map(function (tp) {\n return tp.createAndFill();\n }));\n }\n\n for (var i = 0; i < match.next.length; i += 2) {\n var type = match.next[i],\n next = match.next[i + 1];\n\n if (!(type.isText || type.hasRequiredAttrs()) && seen.indexOf(next) == -1) {\n seen.push(next);\n var found = search(next, types.concat(type));\n\n if (found) {\n return found;\n }\n }\n }\n }\n\n return search(this, []);\n}; // :: (NodeType) → ?[NodeType]\n// Find a set of wrapping node types that would allow a node of the\n// given type to appear at this position. The result may be empty\n// (when it fits directly) and will be null when no such wrapping\n// exists.\n\n\nContentMatch.prototype.findWrapping = function findWrapping(target) {\n for (var i = 0; i < this.wrapCache.length; i += 2) {\n if (this.wrapCache[i] == target) {\n return this.wrapCache[i + 1];\n }\n }\n\n var computed = this.computeWrapping(target);\n this.wrapCache.push(target, computed);\n return computed;\n};\n\nContentMatch.prototype.computeWrapping = function computeWrapping(target) {\n var seen = Object.create(null),\n active = [{\n match: this,\n type: null,\n via: null\n }];\n\n while (active.length) {\n var current = active.shift(),\n match = current.match;\n\n if (match.matchType(target)) {\n var result = [];\n\n for (var obj = current; obj.type; obj = obj.via) {\n result.push(obj.type);\n }\n\n return result.reverse();\n }\n\n for (var i = 0; i < match.next.length; i += 2) {\n var type = match.next[i];\n\n if (!type.isLeaf && !type.hasRequiredAttrs() && !(type.name in seen) && (!current.type || match.next[i + 1].validEnd)) {\n active.push({\n match: type.contentMatch,\n type: type,\n via: current\n });\n seen[type.name] = true;\n }\n }\n }\n}; // :: number\n// The number of outgoing edges this node has in the finite\n// automaton that describes the content expression.\n\n\nprototypeAccessors$4.edgeCount.get = function () {\n return this.next.length >> 1;\n}; // :: (number) → {type: NodeType, next: ContentMatch}\n// Get the _n_th outgoing edge from this node in the finite\n// automaton that describes the content expression.\n\n\nContentMatch.prototype.edge = function edge(n) {\n var i = n << 1;\n\n if (i >= this.next.length) {\n throw new RangeError(\"There's no \" + n + \"th edge in this content match\");\n }\n\n return {\n type: this.next[i],\n next: this.next[i + 1]\n };\n};\n\nContentMatch.prototype.toString = function toString() {\n var seen = [];\n\n function scan(m) {\n seen.push(m);\n\n for (var i = 1; i < m.next.length; i += 2) {\n if (seen.indexOf(m.next[i]) == -1) {\n scan(m.next[i]);\n }\n }\n }\n\n scan(this);\n return seen.map(function (m, i) {\n var out = i + (m.validEnd ? \"*\" : \" \") + \" \";\n\n for (var i$1 = 0; i$1 < m.next.length; i$1 += 2) {\n out += (i$1 ? \", \" : \"\") + m.next[i$1].name + \"->\" + seen.indexOf(m.next[i$1 + 1]);\n }\n\n return out;\n }).join(\"\\n\");\n};\n\nObject.defineProperties(ContentMatch.prototype, prototypeAccessors$4);\nContentMatch.empty = new ContentMatch(true);\n\nvar TokenStream = function TokenStream(string, nodeTypes) {\n this.string = string;\n this.nodeTypes = nodeTypes;\n this.inline = null;\n this.pos = 0;\n this.tokens = string.split(/\\s*(?=\\b|\\W|$)/);\n\n if (this.tokens[this.tokens.length - 1] == \"\") {\n this.tokens.pop();\n }\n\n if (this.tokens[0] == \"\") {\n this.tokens.unshift();\n }\n};\n\nvar prototypeAccessors$1$2 = {\n next: {\n configurable: true\n }\n};\n\nprototypeAccessors$1$2.next.get = function () {\n return this.tokens[this.pos];\n};\n\nTokenStream.prototype.eat = function eat(tok) {\n return this.next == tok && (this.pos++ || true);\n};\n\nTokenStream.prototype.err = function err(str) {\n throw new SyntaxError(str + \" (in content expression '\" + this.string + \"')\");\n};\n\nObject.defineProperties(TokenStream.prototype, prototypeAccessors$1$2);\n\nfunction parseExpr(stream) {\n var exprs = [];\n\n do {\n exprs.push(parseExprSeq(stream));\n } while (stream.eat(\"|\"));\n\n return exprs.length == 1 ? exprs[0] : {\n type: \"choice\",\n exprs: exprs\n };\n}\n\nfunction parseExprSeq(stream) {\n var exprs = [];\n\n do {\n exprs.push(parseExprSubscript(stream));\n } while (stream.next && stream.next != \")\" && stream.next != \"|\");\n\n return exprs.length == 1 ? exprs[0] : {\n type: \"seq\",\n exprs: exprs\n };\n}\n\nfunction parseExprSubscript(stream) {\n var expr = parseExprAtom(stream);\n\n for (;;) {\n if (stream.eat(\"+\")) {\n expr = {\n type: \"plus\",\n expr: expr\n };\n } else if (stream.eat(\"*\")) {\n expr = {\n type: \"star\",\n expr: expr\n };\n } else if (stream.eat(\"?\")) {\n expr = {\n type: \"opt\",\n expr: expr\n };\n } else if (stream.eat(\"{\")) {\n expr = parseExprRange(stream, expr);\n } else {\n break;\n }\n }\n\n return expr;\n}\n\nfunction parseNum(stream) {\n if (/\\D/.test(stream.next)) {\n stream.err(\"Expected number, got '\" + stream.next + \"'\");\n }\n\n var result = Number(stream.next);\n stream.pos++;\n return result;\n}\n\nfunction parseExprRange(stream, expr) {\n var min = parseNum(stream),\n max = min;\n\n if (stream.eat(\",\")) {\n if (stream.next != \"}\") {\n max = parseNum(stream);\n } else {\n max = -1;\n }\n }\n\n if (!stream.eat(\"}\")) {\n stream.err(\"Unclosed braced range\");\n }\n\n return {\n type: \"range\",\n min: min,\n max: max,\n expr: expr\n };\n}\n\nfunction resolveName(stream, name) {\n var types = stream.nodeTypes,\n type = types[name];\n\n if (type) {\n return [type];\n }\n\n var result = [];\n\n for (var typeName in types) {\n var type$1 = types[typeName];\n\n if (type$1.groups.indexOf(name) > -1) {\n result.push(type$1);\n }\n }\n\n if (result.length == 0) {\n stream.err(\"No node type or group '\" + name + \"' found\");\n }\n\n return result;\n}\n\nfunction parseExprAtom(stream) {\n if (stream.eat(\"(\")) {\n var expr = parseExpr(stream);\n\n if (!stream.eat(\")\")) {\n stream.err(\"Missing closing paren\");\n }\n\n return expr;\n } else if (!/\\W/.test(stream.next)) {\n var exprs = resolveName(stream, stream.next).map(function (type) {\n if (stream.inline == null) {\n stream.inline = type.isInline;\n } else if (stream.inline != type.isInline) {\n stream.err(\"Mixing inline and block content\");\n }\n\n return {\n type: \"name\",\n value: type\n };\n });\n stream.pos++;\n return exprs.length == 1 ? exprs[0] : {\n type: \"choice\",\n exprs: exprs\n };\n } else {\n stream.err(\"Unexpected token '\" + stream.next + \"'\");\n }\n} // The code below helps compile a regular-expression-like language\n// into a deterministic finite automaton. For a good introduction to\n// these concepts, see https://swtch.com/~rsc/regexp/regexp1.html\n// : (Object) → [[{term: ?any, to: number}]]\n// Construct an NFA from an expression as returned by the parser. The\n// NFA is represented as an array of states, which are themselves\n// arrays of edges, which are `{term, to}` objects. The first state is\n// the entry state and the last node is the success state.\n//\n// Note that unlike typical NFAs, the edge ordering in this one is\n// significant, in that it is used to contruct filler content when\n// necessary.\n\n\nfunction nfa(expr) {\n var nfa = [[]];\n connect(compile(expr, 0), node());\n return nfa;\n\n function node() {\n return nfa.push([]) - 1;\n }\n\n function edge(from, to, term) {\n var edge = {\n term: term,\n to: to\n };\n nfa[from].push(edge);\n return edge;\n }\n\n function connect(edges, to) {\n edges.forEach(function (edge) {\n return edge.to = to;\n });\n }\n\n function compile(expr, from) {\n if (expr.type == \"choice\") {\n return expr.exprs.reduce(function (out, expr) {\n return out.concat(compile(expr, from));\n }, []);\n } else if (expr.type == \"seq\") {\n for (var i = 0;; i++) {\n var next = compile(expr.exprs[i], from);\n\n if (i == expr.exprs.length - 1) {\n return next;\n }\n\n connect(next, from = node());\n }\n } else if (expr.type == \"star\") {\n var loop = node();\n edge(from, loop);\n connect(compile(expr.expr, loop), loop);\n return [edge(loop)];\n } else if (expr.type == \"plus\") {\n var loop$1 = node();\n connect(compile(expr.expr, from), loop$1);\n connect(compile(expr.expr, loop$1), loop$1);\n return [edge(loop$1)];\n } else if (expr.type == \"opt\") {\n return [edge(from)].concat(compile(expr.expr, from));\n } else if (expr.type == \"range\") {\n var cur = from;\n\n for (var i$1 = 0; i$1 < expr.min; i$1++) {\n var next$1 = node();\n connect(compile(expr.expr, cur), next$1);\n cur = next$1;\n }\n\n if (expr.max == -1) {\n connect(compile(expr.expr, cur), cur);\n } else {\n for (var i$2 = expr.min; i$2 < expr.max; i$2++) {\n var next$2 = node();\n edge(cur, next$2);\n connect(compile(expr.expr, cur), next$2);\n cur = next$2;\n }\n }\n\n return [edge(cur)];\n } else if (expr.type == \"name\") {\n return [edge(from, null, expr.value)];\n }\n }\n}\n\nfunction cmp(a, b) {\n return b - a;\n} // Get the set of nodes reachable by null edges from `node`. Omit\n// nodes with only a single null-out-edge, since they may lead to\n// needless duplicated nodes.\n\n\nfunction nullFrom(nfa, node) {\n var result = [];\n scan(node);\n return result.sort(cmp);\n\n function scan(node) {\n var edges = nfa[node];\n\n if (edges.length == 1 && !edges[0].term) {\n return scan(edges[0].to);\n }\n\n result.push(node);\n\n for (var i = 0; i < edges.length; i++) {\n var ref = edges[i];\n var term = ref.term;\n var to = ref.to;\n\n if (!term && result.indexOf(to) == -1) {\n scan(to);\n }\n }\n }\n} // : ([[{term: ?any, to: number}]]) → ContentMatch\n// Compiles an NFA as produced by `nfa` into a DFA, modeled as a set\n// of state objects (`ContentMatch` instances) with transitions\n// between them.\n\n\nfunction dfa(nfa) {\n var labeled = Object.create(null);\n return explore(nullFrom(nfa, 0));\n\n function explore(states) {\n var out = [];\n states.forEach(function (node) {\n nfa[node].forEach(function (ref) {\n var term = ref.term;\n var to = ref.to;\n\n if (!term) {\n return;\n }\n\n var known = out.indexOf(term),\n set = known > -1 && out[known + 1];\n nullFrom(nfa, to).forEach(function (node) {\n if (!set) {\n out.push(term, set = []);\n }\n\n if (set.indexOf(node) == -1) {\n set.push(node);\n }\n });\n });\n });\n var state = labeled[states.join(\",\")] = new ContentMatch(states.indexOf(nfa.length - 1) > -1);\n\n for (var i = 0; i < out.length; i += 2) {\n var states$1 = out[i + 1].sort(cmp);\n state.next.push(out[i], labeled[states$1.join(\",\")] || explore(states$1));\n }\n\n return state;\n }\n}\n\nfunction checkForDeadEnds(match, stream) {\n for (var i = 0, work = [match]; i < work.length; i++) {\n var state = work[i],\n dead = !state.validEnd,\n nodes = [];\n\n for (var j = 0; j < state.next.length; j += 2) {\n var node = state.next[j],\n next = state.next[j + 1];\n nodes.push(node.name);\n\n if (dead && !(node.isText || node.hasRequiredAttrs())) {\n dead = false;\n }\n\n if (work.indexOf(next) == -1) {\n work.push(next);\n }\n }\n\n if (dead) {\n stream.err(\"Only non-generatable nodes (\" + nodes.join(\", \") + \") in a required position\");\n }\n }\n} // For node types where all attrs have a default value (or which don't\n// have any attributes), build up a single reusable default attribute\n// object, and use it for all nodes that don't specify specific\n// attributes.\n\n\nfunction defaultAttrs(attrs) {\n var defaults = Object.create(null);\n\n for (var attrName in attrs) {\n var attr = attrs[attrName];\n\n if (!attr.hasDefault) {\n return null;\n }\n\n defaults[attrName] = attr[\"default\"];\n }\n\n return defaults;\n}\n\nfunction computeAttrs(attrs, value) {\n var built = Object.create(null);\n\n for (var name in attrs) {\n var given = value && value[name];\n\n if (given === undefined) {\n var attr = attrs[name];\n\n if (attr.hasDefault) {\n given = attr[\"default\"];\n } else {\n throw new RangeError(\"No value supplied for attribute \" + name);\n }\n }\n\n built[name] = given;\n }\n\n return built;\n}\n\nfunction initAttrs(attrs) {\n var result = Object.create(null);\n\n if (attrs) {\n for (var name in attrs) {\n result[name] = new Attribute(attrs[name]);\n }\n }\n\n return result;\n} // ::- Node types are objects allocated once per `Schema` and used to\n// [tag](#model.Node.type) `Node` instances. They contain information\n// about the node type, such as its name and what kind of node it\n// represents.\n\n\nvar NodeType = function NodeType(name, schema, spec) {\n // :: string\n // The name the node type has in this schema.\n this.name = name; // :: Schema\n // A link back to the `Schema` the node type belongs to.\n\n this.schema = schema; // :: NodeSpec\n // The spec that this type is based on\n\n this.spec = spec;\n this.groups = spec.group ? spec.group.split(\" \") : [];\n this.attrs = initAttrs(spec.attrs);\n this.defaultAttrs = defaultAttrs(this.attrs); // :: ContentMatch\n // The starting match of the node type's content expression.\n\n this.contentMatch = null; // : ?[MarkType]\n // The set of marks allowed in this node. `null` means all marks\n // are allowed.\n\n this.markSet = null; // :: bool\n // True if this node type has inline content.\n\n this.inlineContent = null; // :: bool\n // True if this is a block type\n\n this.isBlock = !(spec.inline || name == \"text\"); // :: bool\n // True if this is the text node type.\n\n this.isText = name == \"text\";\n};\n\nvar prototypeAccessors$5 = {\n isInline: {\n configurable: true\n },\n isTextblock: {\n configurable: true\n },\n isLeaf: {\n configurable: true\n },\n isAtom: {\n configurable: true\n }\n}; // :: bool\n// True if this is an inline type.\n\nprototypeAccessors$5.isInline.get = function () {\n return !this.isBlock;\n}; // :: bool\n// True if this is a textblock type, a block that contains inline\n// content.\n\n\nprototypeAccessors$5.isTextblock.get = function () {\n return this.isBlock && this.inlineContent;\n}; // :: bool\n// True for node types that allow no content.\n\n\nprototypeAccessors$5.isLeaf.get = function () {\n return this.contentMatch == ContentMatch.empty;\n}; // :: bool\n// True when this node is an atom, i.e. when it does not have\n// directly editable content.\n\n\nprototypeAccessors$5.isAtom.get = function () {\n return this.isLeaf || this.spec.atom;\n}; // :: () → bool\n// Tells you whether this node type has any required attributes.\n\n\nNodeType.prototype.hasRequiredAttrs = function hasRequiredAttrs() {\n for (var n in this.attrs) {\n if (this.attrs[n].isRequired) {\n return true;\n }\n }\n\n return false;\n};\n\nNodeType.prototype.compatibleContent = function compatibleContent(other) {\n return this == other || this.contentMatch.compatible(other.contentMatch);\n};\n\nNodeType.prototype.computeAttrs = function computeAttrs$1(attrs) {\n if (!attrs && this.defaultAttrs) {\n return this.defaultAttrs;\n } else {\n return computeAttrs(this.attrs, attrs);\n }\n}; // :: (?Object, ?union, ?[Mark]) → Node\n// Create a `Node` of this type. The given attributes are\n// checked and defaulted (you can pass `null` to use the type's\n// defaults entirely, if no required attributes exist). `content`\n// may be a `Fragment`, a node, an array of nodes, or\n// `null`. Similarly `marks` may be `null` to default to the empty\n// set of marks.\n\n\nNodeType.prototype.create = function create(attrs, content, marks) {\n if (this.isText) {\n throw new Error(\"NodeType.create can't construct text nodes\");\n }\n\n return new Node(this, this.computeAttrs(attrs), Fragment.from(content), Mark.setFrom(marks));\n}; // :: (?Object, ?union, ?[Mark]) → Node\n// Like [`create`](#model.NodeType.create), but check the given content\n// against the node type's content restrictions, and throw an error\n// if it doesn't match.\n\n\nNodeType.prototype.createChecked = function createChecked(attrs, content, marks) {\n content = Fragment.from(content);\n\n if (!this.validContent(content)) {\n throw new RangeError(\"Invalid content for node \" + this.name);\n }\n\n return new Node(this, this.computeAttrs(attrs), content, Mark.setFrom(marks));\n}; // :: (?Object, ?union, ?[Mark]) → ?Node\n// Like [`create`](#model.NodeType.create), but see if it is necessary to\n// add nodes to the start or end of the given fragment to make it\n// fit the node. If no fitting wrapping can be found, return null.\n// Note that, due to the fact that required nodes can always be\n// created, this will always succeed if you pass null or\n// `Fragment.empty` as content.\n\n\nNodeType.prototype.createAndFill = function createAndFill(attrs, content, marks) {\n attrs = this.computeAttrs(attrs);\n content = Fragment.from(content);\n\n if (content.size) {\n var before = this.contentMatch.fillBefore(content);\n\n if (!before) {\n return null;\n }\n\n content = before.append(content);\n }\n\n var after = this.contentMatch.matchFragment(content).fillBefore(Fragment.empty, true);\n\n if (!after) {\n return null;\n }\n\n return new Node(this, attrs, content.append(after), Mark.setFrom(marks));\n}; // :: (Fragment) → bool\n// Returns true if the given fragment is valid content for this node\n// type with the given attributes.\n\n\nNodeType.prototype.validContent = function validContent(content) {\n var result = this.contentMatch.matchFragment(content);\n\n if (!result || !result.validEnd) {\n return false;\n }\n\n for (var i = 0; i < content.childCount; i++) {\n if (!this.allowsMarks(content.child(i).marks)) {\n return false;\n }\n }\n\n return true;\n}; // :: (MarkType) → bool\n// Check whether the given mark type is allowed in this node.\n\n\nNodeType.prototype.allowsMarkType = function allowsMarkType(markType) {\n return this.markSet == null || this.markSet.indexOf(markType) > -1;\n}; // :: ([Mark]) → bool\n// Test whether the given set of marks are allowed in this node.\n\n\nNodeType.prototype.allowsMarks = function allowsMarks(marks) {\n if (this.markSet == null) {\n return true;\n }\n\n for (var i = 0; i < marks.length; i++) {\n if (!this.allowsMarkType(marks[i].type)) {\n return false;\n }\n }\n\n return true;\n}; // :: ([Mark]) → [Mark]\n// Removes the marks that are not allowed in this node from the given set.\n\n\nNodeType.prototype.allowedMarks = function allowedMarks(marks) {\n if (this.markSet == null) {\n return marks;\n }\n\n var copy;\n\n for (var i = 0; i < marks.length; i++) {\n if (!this.allowsMarkType(marks[i].type)) {\n if (!copy) {\n copy = marks.slice(0, i);\n }\n } else if (copy) {\n copy.push(marks[i]);\n }\n }\n\n return !copy ? marks : copy.length ? copy : Mark.empty;\n};\n\nNodeType.compile = function compile(nodes, schema) {\n var result = Object.create(null);\n nodes.forEach(function (name, spec) {\n return result[name] = new NodeType(name, schema, spec);\n });\n var topType = schema.spec.topNode || \"doc\";\n\n if (!result[topType]) {\n throw new RangeError(\"Schema is missing its top node type ('\" + topType + \"')\");\n }\n\n if (!result.text) {\n throw new RangeError(\"Every schema needs a 'text' type\");\n }\n\n for (var _ in result.text.attrs) {\n throw new RangeError(\"The text node type should not have attributes\");\n }\n\n return result;\n};\n\nObject.defineProperties(NodeType.prototype, prototypeAccessors$5); // Attribute descriptors\n\nvar Attribute = function Attribute(options) {\n this.hasDefault = Object.prototype.hasOwnProperty.call(options, \"default\");\n this[\"default\"] = options[\"default\"];\n};\n\nvar prototypeAccessors$1$3 = {\n isRequired: {\n configurable: true\n }\n};\n\nprototypeAccessors$1$3.isRequired.get = function () {\n return !this.hasDefault;\n};\n\nObject.defineProperties(Attribute.prototype, prototypeAccessors$1$3); // Marks\n// ::- Like nodes, marks (which are associated with nodes to signify\n// things like emphasis or being part of a link) are\n// [tagged](#model.Mark.type) with type objects, which are\n// instantiated once per `Schema`.\n\nvar MarkType = function MarkType(name, rank, schema, spec) {\n // :: string\n // The name of the mark type.\n this.name = name; // :: Schema\n // The schema that this mark type instance is part of.\n\n this.schema = schema; // :: MarkSpec\n // The spec on which the type is based.\n\n this.spec = spec;\n this.attrs = initAttrs(spec.attrs);\n this.rank = rank;\n this.excluded = null;\n var defaults = defaultAttrs(this.attrs);\n this.instance = defaults && new Mark(this, defaults);\n}; // :: (?Object) → Mark\n// Create a mark of this type. `attrs` may be `null` or an object\n// containing only some of the mark's attributes. The others, if\n// they have defaults, will be added.\n\n\nMarkType.prototype.create = function create(attrs) {\n if (!attrs && this.instance) {\n return this.instance;\n }\n\n return new Mark(this, computeAttrs(this.attrs, attrs));\n};\n\nMarkType.compile = function compile(marks, schema) {\n var result = Object.create(null),\n rank = 0;\n marks.forEach(function (name, spec) {\n return result[name] = new MarkType(name, rank++, schema, spec);\n });\n return result;\n}; // :: ([Mark]) → [Mark]\n// When there is a mark of this type in the given set, a new set\n// without it is returned. Otherwise, the input set is returned.\n\n\nMarkType.prototype.removeFromSet = function removeFromSet(set) {\n for (var i = 0; i < set.length; i++) {\n if (set[i].type == this) {\n return set.slice(0, i).concat(set.slice(i + 1));\n }\n }\n\n return set;\n}; // :: ([Mark]) → ?Mark\n// Tests whether there is a mark of this type in the given set.\n\n\nMarkType.prototype.isInSet = function isInSet(set) {\n for (var i = 0; i < set.length; i++) {\n if (set[i].type == this) {\n return set[i];\n }\n }\n}; // :: (MarkType) → bool\n// Queries whether a given mark type is\n// [excluded](#model.MarkSpec.excludes) by this one.\n\n\nMarkType.prototype.excludes = function excludes(other) {\n return this.excluded.indexOf(other) > -1;\n}; // SchemaSpec:: interface\n// An object describing a schema, as passed to the [`Schema`](#model.Schema)\n// constructor.\n//\n// nodes:: union, OrderedMap>\n// The node types in this schema. Maps names to\n// [`NodeSpec`](#model.NodeSpec) objects that describe the node type\n// associated with that name. Their order is significant—it\n// determines which [parse rules](#model.NodeSpec.parseDOM) take\n// precedence by default, and which nodes come first in a given\n// [group](#model.NodeSpec.group).\n//\n// marks:: ?union, OrderedMap>\n// The mark types that exist in this schema. The order in which they\n// are provided determines the order in which [mark\n// sets](#model.Mark.addToSet) are sorted and in which [parse\n// rules](#model.MarkSpec.parseDOM) are tried.\n//\n// topNode:: ?string\n// The name of the default top-level node for the schema. Defaults\n// to `\"doc\"`.\n// NodeSpec:: interface\n//\n// content:: ?string\n// The content expression for this node, as described in the [schema\n// guide](/docs/guide/#schema.content_expressions). When not given,\n// the node does not allow any content.\n//\n// marks:: ?string\n// The marks that are allowed inside of this node. May be a\n// space-separated string referring to mark names or groups, `\"_\"`\n// to explicitly allow all marks, or `\"\"` to disallow marks. When\n// not given, nodes with inline content default to allowing all\n// marks, other nodes default to not allowing marks.\n//\n// group:: ?string\n// The group or space-separated groups to which this node belongs,\n// which can be referred to in the content expressions for the\n// schema.\n//\n// inline:: ?bool\n// Should be set to true for inline nodes. (Implied for text nodes.)\n//\n// atom:: ?bool\n// Can be set to true to indicate that, though this isn't a [leaf\n// node](#model.NodeType.isLeaf), it doesn't have directly editable\n// content and should be treated as a single unit in the view.\n//\n// attrs:: ?Object\n// The attributes that nodes of this type get.\n//\n// selectable:: ?bool\n// Controls whether nodes of this type can be selected as a [node\n// selection](#state.NodeSelection). Defaults to true for non-text\n// nodes.\n//\n// draggable:: ?bool\n// Determines whether nodes of this type can be dragged without\n// being selected. Defaults to false.\n//\n// code:: ?bool\n// Can be used to indicate that this node contains code, which\n// causes some commands to behave differently.\n//\n// defining:: ?bool\n// Determines whether this node is considered an important parent\n// node during replace operations (such as paste). Non-defining (the\n// default) nodes get dropped when their entire content is replaced,\n// whereas defining nodes persist and wrap the inserted content.\n// Likewise, in _inserted_ content the defining parents of the\n// content are preserved when possible. Typically,\n// non-default-paragraph textblock types, and possibly list items,\n// are marked as defining.\n//\n// isolating:: ?bool\n// When enabled (default is false), the sides of nodes of this type\n// count as boundaries that regular editing operations, like\n// backspacing or lifting, won't cross. An example of a node that\n// should probably have this enabled is a table cell.\n//\n// toDOM:: ?(node: Node) → DOMOutputSpec\n// Defines the default way a node of this type should be serialized\n// to DOM/HTML (as used by\n// [`DOMSerializer.fromSchema`](#model.DOMSerializer^fromSchema)).\n// Should return a DOM node or an [array\n// structure](#model.DOMOutputSpec) that describes one, with an\n// optional number zero (“hole”) in it to indicate where the node's\n// content should be inserted.\n//\n// For text nodes, the default is to create a text DOM node. Though\n// it is possible to create a serializer where text is rendered\n// differently, this is not supported inside the editor, so you\n// shouldn't override that in your text node spec.\n//\n// parseDOM:: ?[ParseRule]\n// Associates DOM parser information with this node, which can be\n// used by [`DOMParser.fromSchema`](#model.DOMParser^fromSchema) to\n// automatically derive a parser. The `node` field in the rules is\n// implied (the name of this node will be filled in automatically).\n// If you supply your own parser, you do not need to also specify\n// parsing rules in your schema.\n//\n// toDebugString:: ?(node: Node) -> string\n// Defines the default way a node of this type should be serialized\n// to a string representation for debugging (e.g. in error messages).\n// MarkSpec:: interface\n//\n// attrs:: ?Object\n// The attributes that marks of this type get.\n//\n// inclusive:: ?bool\n// Whether this mark should be active when the cursor is positioned\n// at its end (or at its start when that is also the start of the\n// parent node). Defaults to true.\n//\n// excludes:: ?string\n// Determines which other marks this mark can coexist with. Should\n// be a space-separated strings naming other marks or groups of marks.\n// When a mark is [added](#model.Mark.addToSet) to a set, all marks\n// that it excludes are removed in the process. If the set contains\n// any mark that excludes the new mark but is not, itself, excluded\n// by the new mark, the mark can not be added an the set. You can\n// use the value `\"_\"` to indicate that the mark excludes all\n// marks in the schema.\n//\n// Defaults to only being exclusive with marks of the same type. You\n// can set it to an empty string (or any string not containing the\n// mark's own name) to allow multiple marks of a given type to\n// coexist (as long as they have different attributes).\n//\n// group:: ?string\n// The group or space-separated groups to which this mark belongs.\n//\n// spanning:: ?bool\n// Determines whether marks of this type can span multiple adjacent\n// nodes when serialized to DOM/HTML. Defaults to true.\n//\n// toDOM:: ?(mark: Mark, inline: bool) → DOMOutputSpec\n// Defines the default way marks of this type should be serialized\n// to DOM/HTML. When the resulting spec contains a hole, that is\n// where the marked content is placed. Otherwise, it is appended to\n// the top node.\n//\n// parseDOM:: ?[ParseRule]\n// Associates DOM parser information with this mark (see the\n// corresponding [node spec field](#model.NodeSpec.parseDOM)). The\n// `mark` field in the rules is implied.\n// AttributeSpec:: interface\n//\n// Used to [define](#model.NodeSpec.attrs) attributes on nodes or\n// marks.\n//\n// default:: ?any\n// The default value for this attribute, to use when no explicit\n// value is provided. Attributes that have no default must be\n// provided whenever a node or mark of a type that has them is\n// created.\n// ::- A document schema. Holds [node](#model.NodeType) and [mark\n// type](#model.MarkType) objects for the nodes and marks that may\n// occur in conforming documents, and provides functionality for\n// creating and deserializing such documents.\n\n\nvar Schema = function Schema(spec) {\n // :: SchemaSpec\n // The [spec](#model.SchemaSpec) on which the schema is based,\n // with the added guarantee that its `nodes` and `marks`\n // properties are\n // [`OrderedMap`](https://github.com/marijnh/orderedmap) instances\n // (not raw objects).\n this.spec = {};\n\n for (var prop in spec) {\n this.spec[prop] = spec[prop];\n }\n\n this.spec.nodes = orderedmap__WEBPACK_IMPORTED_MODULE_0__[\"default\"].from(spec.nodes);\n this.spec.marks = orderedmap__WEBPACK_IMPORTED_MODULE_0__[\"default\"].from(spec.marks); // :: Object\n // An object mapping the schema's node names to node type objects.\n\n this.nodes = NodeType.compile(this.spec.nodes, this); // :: Object\n // A map from mark names to mark type objects.\n\n this.marks = MarkType.compile(this.spec.marks, this);\n var contentExprCache = Object.create(null);\n\n for (var prop$1 in this.nodes) {\n if (prop$1 in this.marks) {\n throw new RangeError(prop$1 + \" can not be both a node and a mark\");\n }\n\n var type = this.nodes[prop$1],\n contentExpr = type.spec.content || \"\",\n markExpr = type.spec.marks;\n type.contentMatch = contentExprCache[contentExpr] || (contentExprCache[contentExpr] = ContentMatch.parse(contentExpr, this.nodes));\n type.inlineContent = type.contentMatch.inlineContent;\n type.markSet = markExpr == \"_\" ? null : markExpr ? gatherMarks(this, markExpr.split(\" \")) : markExpr == \"\" || !type.inlineContent ? [] : null;\n }\n\n for (var prop$2 in this.marks) {\n var type$1 = this.marks[prop$2],\n excl = type$1.spec.excludes;\n type$1.excluded = excl == null ? [type$1] : excl == \"\" ? [] : gatherMarks(this, excl.split(\" \"));\n }\n\n this.nodeFromJSON = this.nodeFromJSON.bind(this);\n this.markFromJSON = this.markFromJSON.bind(this); // :: NodeType\n // The type of the [default top node](#model.SchemaSpec.topNode)\n // for this schema.\n\n this.topNodeType = this.nodes[this.spec.topNode || \"doc\"]; // :: Object\n // An object for storing whatever values modules may want to\n // compute and cache per schema. (If you want to store something\n // in it, try to use property names unlikely to clash.)\n\n this.cached = Object.create(null);\n this.cached.wrappings = Object.create(null);\n}; // :: (union, ?Object, ?union, ?[Mark]) → Node\n// Create a node in this schema. The `type` may be a string or a\n// `NodeType` instance. Attributes will be extended\n// with defaults, `content` may be a `Fragment`,\n// `null`, a `Node`, or an array of nodes.\n\n\nSchema.prototype.node = function node(type, attrs, content, marks) {\n if (typeof type == \"string\") {\n type = this.nodeType(type);\n } else if (!(type instanceof NodeType)) {\n throw new RangeError(\"Invalid node type: \" + type);\n } else if (type.schema != this) {\n throw new RangeError(\"Node type from different schema used (\" + type.name + \")\");\n }\n\n return type.createChecked(attrs, content, marks);\n}; // :: (string, ?[Mark]) → Node\n// Create a text node in the schema. Empty text nodes are not\n// allowed.\n\n\nSchema.prototype.text = function text(text$1, marks) {\n var type = this.nodes.text;\n return new TextNode(type, type.defaultAttrs, text$1, Mark.setFrom(marks));\n}; // :: (union, ?Object) → Mark\n// Create a mark with the given type and attributes.\n\n\nSchema.prototype.mark = function mark(type, attrs) {\n if (typeof type == \"string\") {\n type = this.marks[type];\n }\n\n return type.create(attrs);\n}; // :: (Object) → Node\n// Deserialize a node from its JSON representation. This method is\n// bound.\n\n\nSchema.prototype.nodeFromJSON = function nodeFromJSON(json) {\n return Node.fromJSON(this, json);\n}; // :: (Object) → Mark\n// Deserialize a mark from its JSON representation. This method is\n// bound.\n\n\nSchema.prototype.markFromJSON = function markFromJSON(json) {\n return Mark.fromJSON(this, json);\n};\n\nSchema.prototype.nodeType = function nodeType(name) {\n var found = this.nodes[name];\n\n if (!found) {\n throw new RangeError(\"Unknown node type: \" + name);\n }\n\n return found;\n};\n\nfunction gatherMarks(schema, marks) {\n var found = [];\n\n for (var i = 0; i < marks.length; i++) {\n var name = marks[i],\n mark = schema.marks[name],\n ok = mark;\n\n if (mark) {\n found.push(mark);\n } else {\n for (var prop in schema.marks) {\n var mark$1 = schema.marks[prop];\n\n if (name == \"_\" || mark$1.spec.group && mark$1.spec.group.split(\" \").indexOf(name) > -1) {\n found.push(ok = mark$1);\n }\n }\n }\n\n if (!ok) {\n throw new SyntaxError(\"Unknown mark type: '\" + marks[i] + \"'\");\n }\n }\n\n return found;\n} // ParseOptions:: interface\n// These are the options recognized by the\n// [`parse`](#model.DOMParser.parse) and\n// [`parseSlice`](#model.DOMParser.parseSlice) methods.\n//\n// preserveWhitespace:: ?union\n// By default, whitespace is collapsed as per HTML's rules. Pass\n// `true` to preserve whitespace, but normalize newlines to\n// spaces, and `\"full\"` to preserve whitespace entirely.\n//\n// findPositions:: ?[{node: dom.Node, offset: number}]\n// When given, the parser will, beside parsing the content,\n// record the document positions of the given DOM positions. It\n// will do so by writing to the objects, adding a `pos` property\n// that holds the document position. DOM positions that are not\n// in the parsed content will not be written to.\n//\n// from:: ?number\n// The child node index to start parsing from.\n//\n// to:: ?number\n// The child node index to stop parsing at.\n//\n// topNode:: ?Node\n// By default, the content is parsed into the schema's default\n// [top node type](#model.Schema.topNodeType). You can pass this\n// option to use the type and attributes from a different node\n// as the top container.\n//\n// topMatch:: ?ContentMatch\n// Provide the starting content match that content parsed into the\n// top node is matched against.\n//\n// context:: ?ResolvedPos\n// A set of additional nodes to count as\n// [context](#model.ParseRule.context) when parsing, above the\n// given [top node](#model.ParseOptions.topNode).\n// ParseRule:: interface\n// A value that describes how to parse a given DOM node or inline\n// style as a ProseMirror node or mark.\n//\n// tag:: ?string\n// A CSS selector describing the kind of DOM elements to match. A\n// single rule should have _either_ a `tag` or a `style` property.\n//\n// namespace:: ?string\n// The namespace to match. This should be used with `tag`.\n// Nodes are only matched when the namespace matches or this property\n// is null.\n//\n// style:: ?string\n// A CSS property name to match. When given, this rule matches\n// inline styles that list that property. May also have the form\n// `\"property=value\"`, in which case the rule only matches if the\n// propery's value exactly matches the given value. (For more\n// complicated filters, use [`getAttrs`](#model.ParseRule.getAttrs)\n// and return false to indicate that the match failed.)\n//\n// priority:: ?number\n// Can be used to change the order in which the parse rules in a\n// schema are tried. Those with higher priority come first. Rules\n// without a priority are counted as having priority 50. This\n// property is only meaningful in a schema—when directly\n// constructing a parser, the order of the rule array is used.\n//\n// context:: ?string\n// When given, restricts this rule to only match when the current\n// context—the parent nodes into which the content is being\n// parsed—matches this expression. Should contain one or more node\n// names or node group names followed by single or double slashes.\n// For example `\"paragraph/\"` means the rule only matches when the\n// parent node is a paragraph, `\"blockquote/paragraph/\"` restricts\n// it to be in a paragraph that is inside a blockquote, and\n// `\"section//\"` matches any position inside a section—a double\n// slash matches any sequence of ancestor nodes. To allow multiple\n// different contexts, they can be separated by a pipe (`|`)\n// character, as in `\"blockquote/|list_item/\"`.\n//\n// node:: ?string\n// The name of the node type to create when this rule matches. Only\n// valid for rules with a `tag` property, not for style rules. Each\n// rule should have one of a `node`, `mark`, or `ignore` property\n// (except when it appears in a [node](#model.NodeSpec.parseDOM) or\n// [mark spec](#model.MarkSpec.parseDOM), in which case the `node`\n// or `mark` property will be derived from its position).\n//\n// mark:: ?string\n// The name of the mark type to wrap the matched content in.\n//\n// ignore:: ?bool\n// When true, ignore content that matches this rule.\n//\n// skip:: ?bool\n// When true, ignore the node that matches this rule, but do parse\n// its content.\n//\n// attrs:: ?Object\n// Attributes for the node or mark created by this rule. When\n// `getAttrs` is provided, it takes precedence.\n//\n// getAttrs:: ?(union) → ?union\n// A function used to compute the attributes for the node or mark\n// created by this rule. Can also be used to describe further\n// conditions the DOM element or style must match. When it returns\n// `false`, the rule won't match. When it returns null or undefined,\n// that is interpreted as an empty/default set of attributes.\n//\n// Called with a DOM Element for `tag` rules, and with a string (the\n// style's value) for `style` rules.\n//\n// contentElement:: ?union\n// For `tag` rules that produce non-leaf nodes or marks, by default\n// the content of the DOM element is parsed as content of the mark\n// or node. If the child nodes are in a descendent node, this may be\n// a CSS selector string that the parser must use to find the actual\n// content element, or a function that returns the actual content\n// element to the parser.\n//\n// getContent:: ?(dom.Node, schema: Schema) → Fragment\n// Can be used to override the content of a matched node. When\n// present, instead of parsing the node's child nodes, the result of\n// this function is used.\n//\n// preserveWhitespace:: ?union\n// Controls whether whitespace should be preserved when parsing the\n// content inside the matched element. `false` means whitespace may\n// be collapsed, `true` means that whitespace should be preserved\n// but newlines normalized to spaces, and `\"full\"` means that\n// newlines should also be preserved.\n// ::- A DOM parser represents a strategy for parsing DOM content into\n// a ProseMirror document conforming to a given schema. Its behavior\n// is defined by an array of [rules](#model.ParseRule).\n\n\nvar DOMParser = function DOMParser(schema, rules) {\n var this$1 = this; // :: Schema\n // The schema into which the parser parses.\n\n this.schema = schema; // :: [ParseRule]\n // The set of [parse rules](#model.ParseRule) that the parser\n // uses, in order of precedence.\n\n this.rules = rules;\n this.tags = [];\n this.styles = [];\n rules.forEach(function (rule) {\n if (rule.tag) {\n this$1.tags.push(rule);\n } else if (rule.style) {\n this$1.styles.push(rule);\n }\n });\n}; // :: (dom.Node, ?ParseOptions) → Node\n// Parse a document from the content of a DOM node.\n\n\nDOMParser.prototype.parse = function parse(dom, options) {\n if (options === void 0) options = {};\n var context = new ParseContext(this, options, false);\n context.addAll(dom, null, options.from, options.to);\n return context.finish();\n}; // :: (dom.Node, ?ParseOptions) → Slice\n// Parses the content of the given DOM node, like\n// [`parse`](#model.DOMParser.parse), and takes the same set of\n// options. But unlike that method, which produces a whole node,\n// this one returns a slice that is open at the sides, meaning that\n// the schema constraints aren't applied to the start of nodes to\n// the left of the input and the end of nodes at the end.\n\n\nDOMParser.prototype.parseSlice = function parseSlice(dom, options) {\n if (options === void 0) options = {};\n var context = new ParseContext(this, options, true);\n context.addAll(dom, null, options.from, options.to);\n return Slice.maxOpen(context.finish());\n};\n\nDOMParser.prototype.matchTag = function matchTag(dom, context) {\n for (var i = 0; i < this.tags.length; i++) {\n var rule = this.tags[i];\n\n if (matches(dom, rule.tag) && (rule.namespace === undefined || dom.namespaceURI == rule.namespace) && (!rule.context || context.matchesContext(rule.context))) {\n if (rule.getAttrs) {\n var result = rule.getAttrs(dom);\n\n if (result === false) {\n continue;\n }\n\n rule.attrs = result;\n }\n\n return rule;\n }\n }\n};\n\nDOMParser.prototype.matchStyle = function matchStyle(prop, value, context) {\n for (var i = 0; i < this.styles.length; i++) {\n var rule = this.styles[i];\n\n if (rule.style.indexOf(prop) != 0 || rule.context && !context.matchesContext(rule.context) || // Test that the style string either precisely matches the prop,\n // or has an '=' sign after the prop, followed by the given\n // value.\n rule.style.length > prop.length && (rule.style.charCodeAt(prop.length) != 61 || rule.style.slice(prop.length + 1) != value)) {\n continue;\n }\n\n if (rule.getAttrs) {\n var result = rule.getAttrs(value);\n\n if (result === false) {\n continue;\n }\n\n rule.attrs = result;\n }\n\n return rule;\n }\n}; // : (Schema) → [ParseRule]\n\n\nDOMParser.schemaRules = function schemaRules(schema) {\n var result = [];\n\n function insert(rule) {\n var priority = rule.priority == null ? 50 : rule.priority,\n i = 0;\n\n for (; i < result.length; i++) {\n var next = result[i],\n nextPriority = next.priority == null ? 50 : next.priority;\n\n if (nextPriority < priority) {\n break;\n }\n }\n\n result.splice(i, 0, rule);\n }\n\n var loop = function loop(name) {\n var rules = schema.marks[name].spec.parseDOM;\n\n if (rules) {\n rules.forEach(function (rule) {\n insert(rule = copy(rule));\n rule.mark = name;\n });\n }\n };\n\n for (var name in schema.marks) {\n loop(name);\n }\n\n var loop$1 = function loop$1(name) {\n var rules$1 = schema.nodes[name$1].spec.parseDOM;\n\n if (rules$1) {\n rules$1.forEach(function (rule) {\n insert(rule = copy(rule));\n rule.node = name$1;\n });\n }\n };\n\n for (var name$1 in schema.nodes) {\n loop$1();\n }\n\n return result;\n}; // :: (Schema) → DOMParser\n// Construct a DOM parser using the parsing rules listed in a\n// schema's [node specs](#model.NodeSpec.parseDOM), reordered by\n// [priority](#model.ParseRule.priority).\n\n\nDOMParser.fromSchema = function fromSchema(schema) {\n return schema.cached.domParser || (schema.cached.domParser = new DOMParser(schema, DOMParser.schemaRules(schema)));\n}; // : Object The block-level tags in HTML5\n\n\nvar blockTags = {\n address: true,\n article: true,\n aside: true,\n blockquote: true,\n canvas: true,\n dd: true,\n div: true,\n dl: true,\n fieldset: true,\n figcaption: true,\n figure: true,\n footer: true,\n form: true,\n h1: true,\n h2: true,\n h3: true,\n h4: true,\n h5: true,\n h6: true,\n header: true,\n hgroup: true,\n hr: true,\n li: true,\n noscript: true,\n ol: true,\n output: true,\n p: true,\n pre: true,\n section: true,\n table: true,\n tfoot: true,\n ul: true\n}; // : Object The tags that we normally ignore.\n\nvar ignoreTags = {\n head: true,\n noscript: true,\n object: true,\n script: true,\n style: true,\n title: true\n}; // : Object List tags.\n\nvar listTags = {\n ol: true,\n ul: true\n}; // Using a bitfield for node context options\n\nvar OPT_PRESERVE_WS = 1,\n OPT_PRESERVE_WS_FULL = 2,\n OPT_OPEN_LEFT = 4;\n\nfunction wsOptionsFor(preserveWhitespace) {\n return (preserveWhitespace ? OPT_PRESERVE_WS : 0) | (preserveWhitespace === \"full\" ? OPT_PRESERVE_WS_FULL : 0);\n}\n\nvar NodeContext = function NodeContext(type, attrs, marks, pendingMarks, solid, match, options) {\n this.type = type;\n this.attrs = attrs;\n this.solid = solid;\n this.match = match || (options & OPT_OPEN_LEFT ? null : type.contentMatch);\n this.options = options;\n this.content = []; // Marks applied to this node itself\n\n this.marks = marks; // Marks applied to its children\n\n this.activeMarks = Mark.none; // Marks that can't apply here, but will be used in children if possible\n\n this.pendingMarks = pendingMarks;\n};\n\nNodeContext.prototype.findWrapping = function findWrapping(node) {\n if (!this.match) {\n if (!this.type) {\n return [];\n }\n\n var fill = this.type.contentMatch.fillBefore(Fragment.from(node));\n\n if (fill) {\n this.match = this.type.contentMatch.matchFragment(fill);\n } else {\n var start = this.type.contentMatch,\n wrap;\n\n if (wrap = start.findWrapping(node.type)) {\n this.match = start;\n return wrap;\n } else {\n return null;\n }\n }\n }\n\n return this.match.findWrapping(node.type);\n};\n\nNodeContext.prototype.finish = function finish(openEnd) {\n if (!(this.options & OPT_PRESERVE_WS)) {\n // Strip trailing whitespace\n var last = this.content[this.content.length - 1],\n m;\n\n if (last && last.isText && (m = /[ \\t\\r\\n\\u000c]+$/.exec(last.text))) {\n if (last.text.length == m[0].length) {\n this.content.pop();\n } else {\n this.content[this.content.length - 1] = last.withText(last.text.slice(0, last.text.length - m[0].length));\n }\n }\n }\n\n var content = Fragment.from(this.content);\n\n if (!openEnd && this.match) {\n content = content.append(this.match.fillBefore(Fragment.empty, true));\n }\n\n return this.type ? this.type.create(this.attrs, content, this.marks) : content;\n};\n\nNodeContext.prototype.applyPending = function applyPending(nextType) {\n for (var i = 0, pending = this.pendingMarks; i < pending.length; i++) {\n var mark = pending[i];\n\n if ((this.type ? this.type.allowsMarkType(mark.type) : markMayApply(mark.type, nextType)) && !mark.isInSet(this.activeMarks)) {\n this.activeMarks = mark.addToSet(this.activeMarks);\n this.pendingMarks = mark.removeFromSet(this.pendingMarks);\n }\n }\n};\n\nvar ParseContext = function ParseContext(parser, options, open) {\n // : DOMParser The parser we are using.\n this.parser = parser; // : Object The options passed to this parse.\n\n this.options = options;\n this.isOpen = open;\n var topNode = options.topNode,\n topContext;\n var topOptions = wsOptionsFor(options.preserveWhitespace) | (open ? OPT_OPEN_LEFT : 0);\n\n if (topNode) {\n topContext = new NodeContext(topNode.type, topNode.attrs, Mark.none, Mark.none, true, options.topMatch || topNode.type.contentMatch, topOptions);\n } else if (open) {\n topContext = new NodeContext(null, null, Mark.none, Mark.none, true, null, topOptions);\n } else {\n topContext = new NodeContext(parser.schema.topNodeType, null, Mark.none, Mark.none, true, null, topOptions);\n }\n\n this.nodes = [topContext]; // : [Mark] The current set of marks\n\n this.open = 0;\n this.find = options.findPositions;\n this.needsBlock = false;\n};\n\nvar prototypeAccessors$6 = {\n top: {\n configurable: true\n },\n currentPos: {\n configurable: true\n }\n};\n\nprototypeAccessors$6.top.get = function () {\n return this.nodes[this.open];\n}; // : (dom.Node)\n// Add a DOM node to the content. Text is inserted as text node,\n// otherwise, the node is passed to `addElement` or, if it has a\n// `style` attribute, `addElementWithStyles`.\n\n\nParseContext.prototype.addDOM = function addDOM(dom) {\n if (dom.nodeType == 3) {\n this.addTextNode(dom);\n } else if (dom.nodeType == 1) {\n var style = dom.getAttribute(\"style\");\n var marks = style ? this.readStyles(parseStyles(style)) : null,\n top = this.top;\n\n if (marks != null) {\n for (var i = 0; i < marks.length; i++) {\n this.addPendingMark(marks[i]);\n }\n }\n\n this.addElement(dom);\n\n if (marks != null) {\n for (var i$1 = 0; i$1 < marks.length; i$1++) {\n this.removePendingMark(marks[i$1], top);\n }\n }\n }\n};\n\nParseContext.prototype.addTextNode = function addTextNode(dom) {\n var value = dom.nodeValue;\n var top = this.top;\n\n if ((top.type ? top.type.inlineContent : top.content.length && top.content[0].isInline) || /[^ \\t\\r\\n\\u000c]/.test(value)) {\n if (!(top.options & OPT_PRESERVE_WS)) {\n value = value.replace(/[ \\t\\r\\n\\u000c]+/g, \" \"); // If this starts with whitespace, and there is no node before it, or\n // a hard break, or a text node that ends with whitespace, strip the\n // leading space.\n\n if (/^[ \\t\\r\\n\\u000c]/.test(value) && this.open == this.nodes.length - 1) {\n var nodeBefore = top.content[top.content.length - 1];\n var domNodeBefore = dom.previousSibling;\n\n if (!nodeBefore || domNodeBefore && domNodeBefore.nodeName == 'BR' || nodeBefore.isText && /[ \\t\\r\\n\\u000c]$/.test(nodeBefore.text)) {\n value = value.slice(1);\n }\n }\n } else if (!(top.options & OPT_PRESERVE_WS_FULL)) {\n value = value.replace(/\\r?\\n|\\r/g, \" \");\n }\n\n if (value) {\n this.insertNode(this.parser.schema.text(value));\n }\n\n this.findInText(dom);\n } else {\n this.findInside(dom);\n }\n}; // : (dom.Element)\n// Try to find a handler for the given tag and use that to parse. If\n// none is found, the element's content nodes are added directly.\n\n\nParseContext.prototype.addElement = function addElement(dom) {\n var name = dom.nodeName.toLowerCase();\n\n if (listTags.hasOwnProperty(name)) {\n normalizeList(dom);\n }\n\n var rule = this.options.ruleFromNode && this.options.ruleFromNode(dom) || this.parser.matchTag(dom, this);\n\n if (rule ? rule.ignore : ignoreTags.hasOwnProperty(name)) {\n this.findInside(dom);\n } else if (!rule || rule.skip) {\n if (rule && rule.skip.nodeType) {\n dom = rule.skip;\n }\n\n var sync,\n top = this.top,\n oldNeedsBlock = this.needsBlock;\n\n if (blockTags.hasOwnProperty(name)) {\n sync = true;\n\n if (!top.type) {\n this.needsBlock = true;\n }\n } else if (!dom.firstChild) {\n this.leafFallback(dom);\n return;\n }\n\n this.addAll(dom);\n\n if (sync) {\n this.sync(top);\n }\n\n this.needsBlock = oldNeedsBlock;\n } else {\n this.addElementByRule(dom, rule);\n }\n}; // Called for leaf DOM nodes that would otherwise be ignored\n\n\nParseContext.prototype.leafFallback = function leafFallback(dom) {\n if (dom.nodeName == \"BR\" && this.top.type && this.top.type.inlineContent) {\n this.addTextNode(dom.ownerDocument.createTextNode(\"\\n\"));\n }\n}; // Run any style parser associated with the node's styles. Either\n// return an array of marks, or null to indicate some of the styles\n// had a rule with `ignore` set.\n\n\nParseContext.prototype.readStyles = function readStyles(styles) {\n var marks = Mark.none;\n\n for (var i = 0; i < styles.length; i += 2) {\n var rule = this.parser.matchStyle(styles[i], styles[i + 1], this);\n\n if (!rule) {\n continue;\n }\n\n if (rule.ignore) {\n return null;\n }\n\n marks = this.parser.schema.marks[rule.mark].create(rule.attrs).addToSet(marks);\n }\n\n return marks;\n}; // : (dom.Element, ParseRule) → bool\n// Look up a handler for the given node. If none are found, return\n// false. Otherwise, apply it, use its return value to drive the way\n// the node's content is wrapped, and return true.\n\n\nParseContext.prototype.addElementByRule = function addElementByRule(dom, rule) {\n var this$1 = this;\n var sync, nodeType, markType, mark;\n\n if (rule.node) {\n nodeType = this.parser.schema.nodes[rule.node];\n\n if (!nodeType.isLeaf) {\n sync = this.enter(nodeType, rule.attrs, rule.preserveWhitespace);\n } else if (!this.insertNode(nodeType.create(rule.attrs))) {\n this.leafFallback(dom);\n }\n } else {\n markType = this.parser.schema.marks[rule.mark];\n mark = markType.create(rule.attrs);\n this.addPendingMark(mark);\n }\n\n var startIn = this.top;\n\n if (nodeType && nodeType.isLeaf) {\n this.findInside(dom);\n } else if (rule.getContent) {\n this.findInside(dom);\n rule.getContent(dom, this.parser.schema).forEach(function (node) {\n return this$1.insertNode(node);\n });\n } else {\n var contentDOM = rule.contentElement;\n\n if (typeof contentDOM == \"string\") {\n contentDOM = dom.querySelector(contentDOM);\n } else if (typeof contentDOM == \"function\") {\n contentDOM = contentDOM(dom);\n }\n\n if (!contentDOM) {\n contentDOM = dom;\n }\n\n this.findAround(dom, contentDOM, true);\n this.addAll(contentDOM, sync);\n }\n\n if (sync) {\n this.sync(startIn);\n this.open--;\n }\n\n if (mark) {\n this.removePendingMark(mark, startIn);\n }\n}; // : (dom.Node, ?NodeBuilder, ?number, ?number)\n// Add all child nodes between `startIndex` and `endIndex` (or the\n// whole node, if not given). If `sync` is passed, use it to\n// synchronize after every block element.\n\n\nParseContext.prototype.addAll = function addAll(parent, sync, startIndex, endIndex) {\n var index = startIndex || 0;\n\n for (var dom = startIndex ? parent.childNodes[startIndex] : parent.firstChild, end = endIndex == null ? null : parent.childNodes[endIndex]; dom != end; dom = dom.nextSibling, ++index) {\n this.findAtPoint(parent, index);\n this.addDOM(dom);\n\n if (sync && blockTags.hasOwnProperty(dom.nodeName.toLowerCase())) {\n this.sync(sync);\n }\n }\n\n this.findAtPoint(parent, index);\n}; // Try to find a way to fit the given node type into the current\n// context. May add intermediate wrappers and/or leave non-solid\n// nodes that we're in.\n\n\nParseContext.prototype.findPlace = function findPlace(node) {\n var route, sync;\n\n for (var depth = this.open; depth >= 0; depth--) {\n var cx = this.nodes[depth];\n var found = cx.findWrapping(node);\n\n if (found && (!route || route.length > found.length)) {\n route = found;\n sync = cx;\n\n if (!found.length) {\n break;\n }\n }\n\n if (cx.solid) {\n break;\n }\n }\n\n if (!route) {\n return false;\n }\n\n this.sync(sync);\n\n for (var i = 0; i < route.length; i++) {\n this.enterInner(route[i], null, false);\n }\n\n return true;\n}; // : (Node) → ?Node\n// Try to insert the given node, adjusting the context when needed.\n\n\nParseContext.prototype.insertNode = function insertNode(node) {\n if (node.isInline && this.needsBlock && !this.top.type) {\n var block = this.textblockFromContext();\n\n if (block) {\n this.enterInner(block);\n }\n }\n\n if (this.findPlace(node)) {\n this.closeExtra();\n var top = this.top;\n top.applyPending(node.type);\n\n if (top.match) {\n top.match = top.match.matchType(node.type);\n }\n\n var marks = top.activeMarks;\n\n for (var i = 0; i < node.marks.length; i++) {\n if (!top.type || top.type.allowsMarkType(node.marks[i].type)) {\n marks = node.marks[i].addToSet(marks);\n }\n }\n\n top.content.push(node.mark(marks));\n return true;\n }\n\n return false;\n}; // : (NodeType, ?Object) → bool\n// Try to start a node of the given type, adjusting the context when\n// necessary.\n\n\nParseContext.prototype.enter = function enter(type, attrs, preserveWS) {\n var ok = this.findPlace(type.create(attrs));\n\n if (ok) {\n this.enterInner(type, attrs, true, preserveWS);\n }\n\n return ok;\n}; // Open a node of the given type\n\n\nParseContext.prototype.enterInner = function enterInner(type, attrs, solid, preserveWS) {\n this.closeExtra();\n var top = this.top;\n top.applyPending(type);\n top.match = top.match && top.match.matchType(type, attrs);\n var options = preserveWS == null ? top.options & ~OPT_OPEN_LEFT : wsOptionsFor(preserveWS);\n\n if (top.options & OPT_OPEN_LEFT && top.content.length == 0) {\n options |= OPT_OPEN_LEFT;\n }\n\n this.nodes.push(new NodeContext(type, attrs, top.activeMarks, top.pendingMarks, solid, null, options));\n this.open++;\n}; // Make sure all nodes above this.open are finished and added to\n// their parents\n\n\nParseContext.prototype.closeExtra = function closeExtra(openEnd) {\n var i = this.nodes.length - 1;\n\n if (i > this.open) {\n for (; i > this.open; i--) {\n this.nodes[i - 1].content.push(this.nodes[i].finish(openEnd));\n }\n\n this.nodes.length = this.open + 1;\n }\n};\n\nParseContext.prototype.finish = function finish() {\n this.open = 0;\n this.closeExtra(this.isOpen);\n return this.nodes[0].finish(this.isOpen || this.options.topOpen);\n};\n\nParseContext.prototype.sync = function sync(to) {\n for (var i = this.open; i >= 0; i--) {\n if (this.nodes[i] == to) {\n this.open = i;\n return;\n }\n }\n};\n\nprototypeAccessors$6.currentPos.get = function () {\n this.closeExtra();\n var pos = 0;\n\n for (var i = this.open; i >= 0; i--) {\n var content = this.nodes[i].content;\n\n for (var j = content.length - 1; j >= 0; j--) {\n pos += content[j].nodeSize;\n }\n\n if (i) {\n pos++;\n }\n }\n\n return pos;\n};\n\nParseContext.prototype.findAtPoint = function findAtPoint(parent, offset) {\n if (this.find) {\n for (var i = 0; i < this.find.length; i++) {\n if (this.find[i].node == parent && this.find[i].offset == offset) {\n this.find[i].pos = this.currentPos;\n }\n }\n }\n};\n\nParseContext.prototype.findInside = function findInside(parent) {\n if (this.find) {\n for (var i = 0; i < this.find.length; i++) {\n if (this.find[i].pos == null && parent.nodeType == 1 && parent.contains(this.find[i].node)) {\n this.find[i].pos = this.currentPos;\n }\n }\n }\n};\n\nParseContext.prototype.findAround = function findAround(parent, content, before) {\n if (parent != content && this.find) {\n for (var i = 0; i < this.find.length; i++) {\n if (this.find[i].pos == null && parent.nodeType == 1 && parent.contains(this.find[i].node)) {\n var pos = content.compareDocumentPosition(this.find[i].node);\n\n if (pos & (before ? 2 : 4)) {\n this.find[i].pos = this.currentPos;\n }\n }\n }\n }\n};\n\nParseContext.prototype.findInText = function findInText(textNode) {\n if (this.find) {\n for (var i = 0; i < this.find.length; i++) {\n if (this.find[i].node == textNode) {\n this.find[i].pos = this.currentPos - (textNode.nodeValue.length - this.find[i].offset);\n }\n }\n }\n}; // : (string) → bool\n// Determines whether the given [context\n// string](#ParseRule.context) matches this context.\n\n\nParseContext.prototype.matchesContext = function matchesContext(context) {\n var this$1 = this;\n\n if (context.indexOf(\"|\") > -1) {\n return context.split(/\\s*\\|\\s*/).some(this.matchesContext, this);\n }\n\n var parts = context.split(\"/\");\n var option = this.options.context;\n var useRoot = !this.isOpen && (!option || option.parent.type == this.nodes[0].type);\n var minDepth = -(option ? option.depth + 1 : 0) + (useRoot ? 0 : 1);\n\n var match = function match(i, depth) {\n for (; i >= 0; i--) {\n var part = parts[i];\n\n if (part == \"\") {\n if (i == parts.length - 1 || i == 0) {\n continue;\n }\n\n for (; depth >= minDepth; depth--) {\n if (match(i - 1, depth)) {\n return true;\n }\n }\n\n return false;\n } else {\n var next = depth > 0 || depth == 0 && useRoot ? this$1.nodes[depth].type : option && depth >= minDepth ? option.node(depth - minDepth).type : null;\n\n if (!next || next.name != part && next.groups.indexOf(part) == -1) {\n return false;\n }\n\n depth--;\n }\n }\n\n return true;\n };\n\n return match(parts.length - 1, this.open);\n};\n\nParseContext.prototype.textblockFromContext = function textblockFromContext() {\n var $context = this.options.context;\n\n if ($context) {\n for (var d = $context.depth; d >= 0; d--) {\n var deflt = $context.node(d).contentMatchAt($context.indexAfter(d)).defaultType;\n\n if (deflt && deflt.isTextblock && deflt.defaultAttrs) {\n return deflt;\n }\n }\n }\n\n for (var name in this.parser.schema.nodes) {\n var type = this.parser.schema.nodes[name];\n\n if (type.isTextblock && type.defaultAttrs) {\n return type;\n }\n }\n};\n\nParseContext.prototype.addPendingMark = function addPendingMark(mark) {\n this.top.pendingMarks = mark.addToSet(this.top.pendingMarks);\n};\n\nParseContext.prototype.removePendingMark = function removePendingMark(mark, upto) {\n for (var depth = this.open; depth >= 0; depth--) {\n var level = this.nodes[depth];\n var found = level.pendingMarks.lastIndexOf(mark);\n\n if (found > -1) {\n level.pendingMarks = mark.removeFromSet(level.pendingMarks);\n } else {\n level.activeMarks = mark.removeFromSet(level.activeMarks);\n }\n\n if (level == upto) {\n break;\n }\n }\n};\n\nObject.defineProperties(ParseContext.prototype, prototypeAccessors$6); // Kludge to work around directly nested list nodes produced by some\n// tools and allowed by browsers to mean that the nested list is\n// actually part of the list item above it.\n\nfunction normalizeList(dom) {\n for (var child = dom.firstChild, prevItem = null; child; child = child.nextSibling) {\n var name = child.nodeType == 1 ? child.nodeName.toLowerCase() : null;\n\n if (name && listTags.hasOwnProperty(name) && prevItem) {\n prevItem.appendChild(child);\n child = prevItem;\n } else if (name == \"li\") {\n prevItem = child;\n } else if (name) {\n prevItem = null;\n }\n }\n} // Apply a CSS selector.\n\n\nfunction matches(dom, selector) {\n return (dom.matches || dom.msMatchesSelector || dom.webkitMatchesSelector || dom.mozMatchesSelector).call(dom, selector);\n} // : (string) → [string]\n// Tokenize a style attribute into property/value pairs.\n\n\nfunction parseStyles(style) {\n var re = /\\s*([\\w-]+)\\s*:\\s*([^;]+)/g,\n m,\n result = [];\n\n while (m = re.exec(style)) {\n result.push(m[1], m[2].trim());\n }\n\n return result;\n}\n\nfunction copy(obj) {\n var copy = {};\n\n for (var prop in obj) {\n copy[prop] = obj[prop];\n }\n\n return copy;\n} // Used when finding a mark at the top level of a fragment parse.\n// Checks whether it would be reasonable to apply a given mark type to\n// a given node, by looking at the way the mark occurs in the schema.\n\n\nfunction markMayApply(markType, nodeType) {\n var nodes = nodeType.schema.nodes;\n\n var loop = function loop(name) {\n var parent = nodes[name];\n\n if (!parent.allowsMarkType(markType)) {\n return;\n }\n\n var seen = [],\n scan = function scan(match) {\n seen.push(match);\n\n for (var i = 0; i < match.edgeCount; i++) {\n var ref = match.edge(i);\n var type = ref.type;\n var next = ref.next;\n\n if (type == nodeType) {\n return true;\n }\n\n if (seen.indexOf(next) < 0 && scan(next)) {\n return true;\n }\n }\n };\n\n if (scan(parent.contentMatch)) {\n return {\n v: true\n };\n }\n };\n\n for (var name in nodes) {\n var returned = loop(name);\n if (returned) return returned.v;\n }\n} // DOMOutputSpec:: interface\n// A description of a DOM structure. Can be either a string, which is\n// interpreted as a text node, a DOM node, which is interpreted as\n// itself, or an array.\n//\n// An array describes a DOM element. The first value in the array\n// should be a string—the name of the DOM element, optionally prefixed\n// by a namespace URL and a space. If the second element is plain\n// object, it is interpreted as a set of attributes for the element.\n// Any elements after that (including the 2nd if it's not an attribute\n// object) are interpreted as children of the DOM elements, and must\n// either be valid `DOMOutputSpec` values, or the number zero.\n//\n// The number zero (pronounced “hole”) is used to indicate the place\n// where a node's child nodes should be inserted. If it occurs in an\n// output spec, it should be the only child element in its parent\n// node.\n// ::- A DOM serializer knows how to convert ProseMirror nodes and\n// marks of various types to DOM nodes.\n\n\nvar DOMSerializer = function DOMSerializer(nodes, marks) {\n // :: Object<(node: Node) → DOMOutputSpec>\n // The node serialization functions.\n this.nodes = nodes || {}; // :: Object\n // The mark serialization functions.\n\n this.marks = marks || {};\n}; // :: (Fragment, ?Object) → dom.DocumentFragment\n// Serialize the content of this fragment to a DOM fragment. When\n// not in the browser, the `document` option, containing a DOM\n// document, should be passed so that the serializer can create\n// nodes.\n\n\nDOMSerializer.prototype.serializeFragment = function serializeFragment(fragment, options, target) {\n var this$1 = this;\n if (options === void 0) options = {};\n\n if (!target) {\n target = doc(options).createDocumentFragment();\n }\n\n var top = target,\n active = null;\n fragment.forEach(function (node) {\n if (active || node.marks.length) {\n if (!active) {\n active = [];\n }\n\n var keep = 0,\n rendered = 0;\n\n while (keep < active.length && rendered < node.marks.length) {\n var next = node.marks[rendered];\n\n if (!this$1.marks[next.type.name]) {\n rendered++;\n continue;\n }\n\n if (!next.eq(active[keep]) || next.type.spec.spanning === false) {\n break;\n }\n\n keep += 2;\n rendered++;\n }\n\n while (keep < active.length) {\n top = active.pop();\n active.pop();\n }\n\n while (rendered < node.marks.length) {\n var add = node.marks[rendered++];\n var markDOM = this$1.serializeMark(add, node.isInline, options);\n\n if (markDOM) {\n active.push(add, top);\n top.appendChild(markDOM.dom);\n top = markDOM.contentDOM || markDOM.dom;\n }\n }\n }\n\n top.appendChild(this$1.serializeNode(node, options));\n });\n return target;\n}; // :: (Node, ?Object) → dom.Node\n// Serialize this node to a DOM node. This can be useful when you\n// need to serialize a part of a document, as opposed to the whole\n// document. To serialize a whole document, use\n// [`serializeFragment`](#model.DOMSerializer.serializeFragment) on\n// its [content](#model.Node.content).\n\n\nDOMSerializer.prototype.serializeNode = function serializeNode(node, options) {\n if (options === void 0) options = {};\n var ref = DOMSerializer.renderSpec(doc(options), this.nodes[node.type.name](node));\n var dom = ref.dom;\n var contentDOM = ref.contentDOM;\n\n if (contentDOM) {\n if (node.isLeaf) {\n throw new RangeError(\"Content hole not allowed in a leaf node spec\");\n }\n\n if (options.onContent) {\n options.onContent(node, contentDOM, options);\n } else {\n this.serializeFragment(node.content, options, contentDOM);\n }\n }\n\n return dom;\n};\n\nDOMSerializer.prototype.serializeNodeAndMarks = function serializeNodeAndMarks(node, options) {\n if (options === void 0) options = {};\n var dom = this.serializeNode(node, options);\n\n for (var i = node.marks.length - 1; i >= 0; i--) {\n var wrap = this.serializeMark(node.marks[i], node.isInline, options);\n\n if (wrap) {\n (wrap.contentDOM || wrap.dom).appendChild(dom);\n dom = wrap.dom;\n }\n }\n\n return dom;\n};\n\nDOMSerializer.prototype.serializeMark = function serializeMark(mark, inline, options) {\n if (options === void 0) options = {};\n var toDOM = this.marks[mark.type.name];\n return toDOM && DOMSerializer.renderSpec(doc(options), toDOM(mark, inline));\n}; // :: (dom.Document, DOMOutputSpec) → {dom: dom.Node, contentDOM: ?dom.Node}\n// Render an [output spec](#model.DOMOutputSpec) to a DOM node. If\n// the spec has a hole (zero) in it, `contentDOM` will point at the\n// node with the hole.\n\n\nDOMSerializer.renderSpec = function renderSpec(doc, structure, xmlNS) {\n if (xmlNS === void 0) xmlNS = null;\n\n if (typeof structure == \"string\") {\n return {\n dom: doc.createTextNode(structure)\n };\n }\n\n if (structure.nodeType != null) {\n return {\n dom: structure\n };\n }\n\n var tagName = structure[0],\n space = tagName.indexOf(\" \");\n\n if (space > 0) {\n xmlNS = tagName.slice(0, space);\n tagName = tagName.slice(space + 1);\n }\n\n var contentDOM = null,\n dom = xmlNS ? doc.createElementNS(xmlNS, tagName) : doc.createElement(tagName);\n var attrs = structure[1],\n start = 1;\n\n if (attrs && _typeof(attrs) == \"object\" && attrs.nodeType == null && !Array.isArray(attrs)) {\n start = 2;\n\n for (var name in attrs) {\n if (attrs[name] != null) {\n var space$1 = name.indexOf(\" \");\n\n if (space$1 > 0) {\n dom.setAttributeNS(name.slice(0, space$1), name.slice(space$1 + 1), attrs[name]);\n } else {\n dom.setAttribute(name, attrs[name]);\n }\n }\n }\n }\n\n for (var i = start; i < structure.length; i++) {\n var child = structure[i];\n\n if (child === 0) {\n if (i < structure.length - 1 || i > start) {\n throw new RangeError(\"Content hole must be the only child of its parent node\");\n }\n\n return {\n dom: dom,\n contentDOM: dom\n };\n } else {\n var ref = DOMSerializer.renderSpec(doc, child, xmlNS);\n var inner = ref.dom;\n var innerContent = ref.contentDOM;\n dom.appendChild(inner);\n\n if (innerContent) {\n if (contentDOM) {\n throw new RangeError(\"Multiple content holes\");\n }\n\n contentDOM = innerContent;\n }\n }\n }\n\n return {\n dom: dom,\n contentDOM: contentDOM\n };\n}; // :: (Schema) → DOMSerializer\n// Build a serializer using the [`toDOM`](#model.NodeSpec.toDOM)\n// properties in a schema's node and mark specs.\n\n\nDOMSerializer.fromSchema = function fromSchema(schema) {\n return schema.cached.domSerializer || (schema.cached.domSerializer = new DOMSerializer(this.nodesFromSchema(schema), this.marksFromSchema(schema)));\n}; // : (Schema) → Object<(node: Node) → DOMOutputSpec>\n// Gather the serializers in a schema's node specs into an object.\n// This can be useful as a base to build a custom serializer from.\n\n\nDOMSerializer.nodesFromSchema = function nodesFromSchema(schema) {\n var result = gatherToDOM(schema.nodes);\n\n if (!result.text) {\n result.text = function (node) {\n return node.text;\n };\n }\n\n return result;\n}; // : (Schema) → Object<(mark: Mark) → DOMOutputSpec>\n// Gather the serializers in a schema's mark specs into an object.\n\n\nDOMSerializer.marksFromSchema = function marksFromSchema(schema) {\n return gatherToDOM(schema.marks);\n};\n\nfunction gatherToDOM(obj) {\n var result = {};\n\n for (var name in obj) {\n var toDOM = obj[name].spec.toDOM;\n\n if (toDOM) {\n result[name] = toDOM;\n }\n }\n\n return result;\n}\n\nfunction doc(options) {\n // declare global: window\n return options.document || window.document;\n}\n\n\n\n//# sourceURL=webpack:///./node_modules/prosemirror-model/dist/index.es.js?");
/***/ }),
/***/ "./node_modules/prosemirror-schema-list/dist/index.es.js":
/*!***************************************************************!*\
!*** ./node_modules/prosemirror-schema-list/dist/index.es.js ***!
\***************************************************************/
/*! exports provided: addListNodes, bulletList, liftListItem, listItem, orderedList, sinkListItem, splitListItem, wrapInList */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"addListNodes\", function() { return addListNodes; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"bulletList\", function() { return bulletList; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"liftListItem\", function() { return liftListItem; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"listItem\", function() { return listItem; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"orderedList\", function() { return orderedList; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"sinkListItem\", function() { return sinkListItem; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"splitListItem\", function() { return splitListItem; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"wrapInList\", function() { return wrapInList; });\n/* harmony import */ var prosemirror_transform__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! prosemirror-transform */ \"./node_modules/prosemirror-transform/dist/index.es.js\");\n/* harmony import */ var prosemirror_model__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! prosemirror-model */ \"./node_modules/prosemirror-model/dist/index.es.js\");\n\n\nvar olDOM = [\"ol\", 0],\n ulDOM = [\"ul\", 0],\n liDOM = [\"li\", 0]; // :: NodeSpec\n// An ordered list [node spec](#model.NodeSpec). Has a single\n// attribute, `order`, which determines the number at which the list\n// starts counting, and defaults to 1. Represented as an ``\n// element.\n\nvar orderedList = {\n attrs: {\n order: {\n \"default\": 1\n }\n },\n parseDOM: [{\n tag: \"ol\",\n getAttrs: function getAttrs(dom) {\n return {\n order: dom.hasAttribute(\"start\") ? +dom.getAttribute(\"start\") : 1\n };\n }\n }],\n toDOM: function toDOM(node) {\n return node.attrs.order == 1 ? olDOM : [\"ol\", {\n start: node.attrs.order\n }, 0];\n }\n}; // :: NodeSpec\n// A bullet list node spec, represented in the DOM as `
`.\n\nvar bulletList = {\n parseDOM: [{\n tag: \"ul\"\n }],\n toDOM: function toDOM() {\n return ulDOM;\n }\n}; // :: NodeSpec\n// A list item (`
`) spec.\n\nvar listItem = {\n parseDOM: [{\n tag: \"li\"\n }],\n toDOM: function toDOM() {\n return liDOM;\n },\n defining: true\n};\n\nfunction add(obj, props) {\n var copy = {};\n\n for (var prop in obj) {\n copy[prop] = obj[prop];\n }\n\n for (var prop$1 in props) {\n copy[prop$1] = props[prop$1];\n }\n\n return copy;\n} // :: (OrderedMap, string, ?string) → OrderedMap\n// Convenience function for adding list-related node types to a map\n// specifying the nodes for a schema. Adds\n// [`orderedList`](#schema-list.orderedList) as `\"ordered_list\"`,\n// [`bulletList`](#schema-list.bulletList) as `\"bullet_list\"`, and\n// [`listItem`](#schema-list.listItem) as `\"list_item\"`.\n//\n// `itemContent` determines the content expression for the list items.\n// If you want the commands defined in this module to apply to your\n// list structure, it should have a shape like `\"paragraph block*\"` or\n// `\"paragraph (ordered_list | bullet_list)*\"`. `listGroup` can be\n// given to assign a group name to the list node types, for example\n// `\"block\"`.\n\n\nfunction addListNodes(nodes, itemContent, listGroup) {\n return nodes.append({\n ordered_list: add(orderedList, {\n content: \"list_item+\",\n group: listGroup\n }),\n bullet_list: add(bulletList, {\n content: \"list_item+\",\n group: listGroup\n }),\n list_item: add(listItem, {\n content: itemContent\n })\n });\n} // :: (NodeType, ?Object) → (state: EditorState, dispatch: ?(tr: Transaction)) → bool\n// Returns a command function that wraps the selection in a list with\n// the given type an attributes. If `dispatch` is null, only return a\n// value to indicate whether this is possible, but don't actually\n// perform the change.\n\n\nfunction wrapInList(listType, attrs) {\n return function (state, dispatch) {\n var ref = state.selection;\n var $from = ref.$from;\n var $to = ref.$to;\n var range = $from.blockRange($to),\n doJoin = false,\n outerRange = range;\n\n if (!range) {\n return false;\n } // This is at the top of an existing list item\n\n\n if (range.depth >= 2 && $from.node(range.depth - 1).type.compatibleContent(listType) && range.startIndex == 0) {\n // Don't do anything if this is the top of the list\n if ($from.index(range.depth - 1) == 0) {\n return false;\n }\n\n var $insert = state.doc.resolve(range.start - 2);\n outerRange = new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"NodeRange\"]($insert, $insert, range.depth);\n\n if (range.endIndex < range.parent.childCount) {\n range = new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"NodeRange\"]($from, state.doc.resolve($to.end(range.depth)), range.depth);\n }\n\n doJoin = true;\n }\n\n var wrap = Object(prosemirror_transform__WEBPACK_IMPORTED_MODULE_0__[\"findWrapping\"])(outerRange, listType, attrs, range);\n\n if (!wrap) {\n return false;\n }\n\n if (dispatch) {\n dispatch(doWrapInList(state.tr, range, wrap, doJoin, listType).scrollIntoView());\n }\n\n return true;\n };\n}\n\nfunction doWrapInList(tr, range, wrappers, joinBefore, listType) {\n var content = prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty;\n\n for (var i = wrappers.length - 1; i >= 0; i--) {\n content = prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(wrappers[i].type.create(wrappers[i].attrs, content));\n }\n\n tr.step(new prosemirror_transform__WEBPACK_IMPORTED_MODULE_0__[\"ReplaceAroundStep\"](range.start - (joinBefore ? 2 : 0), range.end, range.start, range.end, new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Slice\"](content, 0, 0), wrappers.length, true));\n var found = 0;\n\n for (var i$1 = 0; i$1 < wrappers.length; i$1++) {\n if (wrappers[i$1].type == listType) {\n found = i$1 + 1;\n }\n }\n\n var splitDepth = wrappers.length - found;\n var splitPos = range.start + wrappers.length - (joinBefore ? 2 : 0),\n parent = range.parent;\n\n for (var i$2 = range.startIndex, e = range.endIndex, first = true; i$2 < e; i$2++, first = false) {\n if (!first && Object(prosemirror_transform__WEBPACK_IMPORTED_MODULE_0__[\"canSplit\"])(tr.doc, splitPos, splitDepth)) {\n tr.split(splitPos, splitDepth);\n splitPos += 2 * splitDepth;\n }\n\n splitPos += parent.child(i$2).nodeSize;\n }\n\n return tr;\n} // :: (NodeType) → (state: EditorState, dispatch: ?(tr: Transaction)) → bool\n// Build a command that splits a non-empty textblock at the top level\n// of a list item by also splitting that list item.\n\n\nfunction splitListItem(itemType) {\n return function (state, dispatch) {\n var ref = state.selection;\n var $from = ref.$from;\n var $to = ref.$to;\n var node = ref.node;\n\n if (node && node.isBlock || $from.depth < 2 || !$from.sameParent($to)) {\n return false;\n }\n\n var grandParent = $from.node(-1);\n\n if (grandParent.type != itemType) {\n return false;\n }\n\n if ($from.parent.content.size == 0) {\n // In an empty block. If this is a nested list, the wrapping\n // list item should be split. Otherwise, bail out and let next\n // command handle lifting.\n if ($from.depth == 2 || $from.node(-3).type != itemType || $from.index(-2) != $from.node(-2).childCount - 1) {\n return false;\n }\n\n if (dispatch) {\n var wrap = prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty,\n keepItem = $from.index(-1) > 0; // Build a fragment containing empty versions of the structure\n // from the outer list item to the parent node of the cursor\n\n for (var d = $from.depth - (keepItem ? 1 : 2); d >= $from.depth - 3; d--) {\n wrap = prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from($from.node(d).copy(wrap));\n } // Add a second list item with an empty default start node\n\n\n wrap = wrap.append(prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(itemType.createAndFill()));\n var tr$1 = state.tr.replace($from.before(keepItem ? null : -1), $from.after(-3), new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Slice\"](wrap, keepItem ? 3 : 2, 2));\n tr$1.setSelection(state.selection.constructor.near(tr$1.doc.resolve($from.pos + (keepItem ? 3 : 2))));\n dispatch(tr$1.scrollIntoView());\n }\n\n return true;\n }\n\n var nextType = $to.pos == $from.end() ? grandParent.contentMatchAt(0).defaultType : null;\n var tr = state.tr[\"delete\"]($from.pos, $to.pos);\n var types = nextType && [null, {\n type: nextType\n }];\n\n if (!Object(prosemirror_transform__WEBPACK_IMPORTED_MODULE_0__[\"canSplit\"])(tr.doc, $from.pos, 2, types)) {\n return false;\n }\n\n if (dispatch) {\n dispatch(tr.split($from.pos, 2, types).scrollIntoView());\n }\n\n return true;\n };\n} // :: (NodeType) → (state: EditorState, dispatch: ?(tr: Transaction)) → bool\n// Create a command to lift the list item around the selection up into\n// a wrapping list.\n\n\nfunction liftListItem(itemType) {\n return function (state, dispatch) {\n var ref = state.selection;\n var $from = ref.$from;\n var $to = ref.$to;\n var range = $from.blockRange($to, function (node) {\n return node.childCount && node.firstChild.type == itemType;\n });\n\n if (!range) {\n return false;\n }\n\n if (!dispatch) {\n return true;\n }\n\n if ($from.node(range.depth - 1).type == itemType) // Inside a parent list\n {\n return liftToOuterList(state, dispatch, itemType, range);\n } else // Outer list node\n {\n return liftOutOfList(state, dispatch, range);\n }\n };\n}\n\nfunction liftToOuterList(state, dispatch, itemType, range) {\n var tr = state.tr,\n end = range.end,\n endOfList = range.$to.end(range.depth);\n\n if (end < endOfList) {\n // There are siblings after the lifted items, which must become\n // children of the last item\n tr.step(new prosemirror_transform__WEBPACK_IMPORTED_MODULE_0__[\"ReplaceAroundStep\"](end - 1, endOfList, end, endOfList, new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Slice\"](prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(itemType.create(null, range.parent.copy())), 1, 0), 1, true));\n range = new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"NodeRange\"](tr.doc.resolve(range.$from.pos), tr.doc.resolve(endOfList), range.depth);\n }\n\n dispatch(tr.lift(range, Object(prosemirror_transform__WEBPACK_IMPORTED_MODULE_0__[\"liftTarget\"])(range)).scrollIntoView());\n return true;\n}\n\nfunction liftOutOfList(state, dispatch, range) {\n var tr = state.tr,\n list = range.parent; // Merge the list items into a single big item\n\n for (var pos = range.end, i = range.endIndex - 1, e = range.startIndex; i > e; i--) {\n pos -= list.child(i).nodeSize;\n tr[\"delete\"](pos - 1, pos + 1);\n }\n\n var $start = tr.doc.resolve(range.start),\n item = $start.nodeAfter;\n var atStart = range.startIndex == 0,\n atEnd = range.endIndex == list.childCount;\n var parent = $start.node(-1),\n indexBefore = $start.index(-1);\n\n if (!parent.canReplace(indexBefore + (atStart ? 0 : 1), indexBefore + 1, item.content.append(atEnd ? prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty : prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(list)))) {\n return false;\n }\n\n var start = $start.pos,\n end = start + item.nodeSize; // Strip off the surrounding list. At the sides where we're not at\n // the end of the list, the existing list is closed. At sides where\n // this is the end, it is overwritten to its end.\n\n tr.step(new prosemirror_transform__WEBPACK_IMPORTED_MODULE_0__[\"ReplaceAroundStep\"](start - (atStart ? 1 : 0), end + (atEnd ? 1 : 0), start + 1, end - 1, new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Slice\"]((atStart ? prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty : prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(list.copy(prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty))).append(atEnd ? prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty : prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(list.copy(prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty))), atStart ? 0 : 1, atEnd ? 0 : 1), atStart ? 0 : 1));\n dispatch(tr.scrollIntoView());\n return true;\n} // :: (NodeType) → (state: EditorState, dispatch: ?(tr: Transaction)) → bool\n// Create a command to sink the list item around the selection down\n// into an inner list.\n\n\nfunction sinkListItem(itemType) {\n return function (state, dispatch) {\n var ref = state.selection;\n var $from = ref.$from;\n var $to = ref.$to;\n var range = $from.blockRange($to, function (node) {\n return node.childCount && node.firstChild.type == itemType;\n });\n\n if (!range) {\n return false;\n }\n\n var startIndex = range.startIndex;\n\n if (startIndex == 0) {\n return false;\n }\n\n var parent = range.parent,\n nodeBefore = parent.child(startIndex - 1);\n\n if (nodeBefore.type != itemType) {\n return false;\n }\n\n if (dispatch) {\n var nestedBefore = nodeBefore.lastChild && nodeBefore.lastChild.type == parent.type;\n var inner = prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(nestedBefore ? itemType.create() : null);\n var slice = new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Slice\"](prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(itemType.create(null, prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(parent.type.create(null, inner)))), nestedBefore ? 3 : 1, 0);\n var before = range.start,\n after = range.end;\n dispatch(state.tr.step(new prosemirror_transform__WEBPACK_IMPORTED_MODULE_0__[\"ReplaceAroundStep\"](before - (nestedBefore ? 3 : 1), after, before, after, slice, 1, true)).scrollIntoView());\n }\n\n return true;\n };\n}\n\n\n\n//# sourceURL=webpack:///./node_modules/prosemirror-schema-list/dist/index.es.js?");
/***/ }),
/***/ "./node_modules/prosemirror-state/dist/index.es.js":
/*!*********************************************************!*\
!*** ./node_modules/prosemirror-state/dist/index.es.js ***!
\*********************************************************/
/*! exports provided: AllSelection, EditorState, NodeSelection, Plugin, PluginKey, Selection, SelectionRange, TextSelection, Transaction */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"AllSelection\", function() { return AllSelection; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"EditorState\", function() { return EditorState; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"NodeSelection\", function() { return NodeSelection; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Plugin\", function() { return Plugin; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"PluginKey\", function() { return PluginKey; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Selection\", function() { return Selection; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"SelectionRange\", function() { return SelectionRange; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"TextSelection\", function() { return TextSelection; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Transaction\", function() { return Transaction; });\n/* harmony import */ var prosemirror_model__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! prosemirror-model */ \"./node_modules/prosemirror-model/dist/index.es.js\");\n/* harmony import */ var prosemirror_transform__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! prosemirror-transform */ \"./node_modules/prosemirror-transform/dist/index.es.js\");\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\nvar classesById = Object.create(null); // ::- Superclass for editor selections. Every selection type should\n// extend this. Should not be instantiated directly.\n\nvar Selection = function Selection($anchor, $head, ranges) {\n // :: [SelectionRange]\n // The ranges covered by the selection.\n this.ranges = ranges || [new SelectionRange($anchor.min($head), $anchor.max($head))]; // :: ResolvedPos\n // The resolved anchor of the selection (the side that stays in\n // place when the selection is modified).\n\n this.$anchor = $anchor; // :: ResolvedPos\n // The resolved head of the selection (the side that moves when\n // the selection is modified).\n\n this.$head = $head;\n};\n\nvar prototypeAccessors = {\n anchor: {\n configurable: true\n },\n head: {\n configurable: true\n },\n from: {\n configurable: true\n },\n to: {\n configurable: true\n },\n $from: {\n configurable: true\n },\n $to: {\n configurable: true\n },\n empty: {\n configurable: true\n }\n}; // :: number\n// The selection's anchor, as an unresolved position.\n\nprototypeAccessors.anchor.get = function () {\n return this.$anchor.pos;\n}; // :: number\n// The selection's head.\n\n\nprototypeAccessors.head.get = function () {\n return this.$head.pos;\n}; // :: number\n// The lower bound of the selection's main range.\n\n\nprototypeAccessors.from.get = function () {\n return this.$from.pos;\n}; // :: number\n// The upper bound of the selection's main range.\n\n\nprototypeAccessors.to.get = function () {\n return this.$to.pos;\n}; // :: ResolvedPos\n// The resolved lowerbound of the selection's main range.\n\n\nprototypeAccessors.$from.get = function () {\n return this.ranges[0].$from;\n}; // :: ResolvedPos\n// The resolved upper bound of the selection's main range.\n\n\nprototypeAccessors.$to.get = function () {\n return this.ranges[0].$to;\n}; // :: bool\n// Indicates whether the selection contains any content.\n\n\nprototypeAccessors.empty.get = function () {\n var ranges = this.ranges;\n\n for (var i = 0; i < ranges.length; i++) {\n if (ranges[i].$from.pos != ranges[i].$to.pos) {\n return false;\n }\n }\n\n return true;\n}; // eq:: (Selection) → bool\n// Test whether the selection is the same as another selection.\n// map:: (doc: Node, mapping: Mappable) → Selection\n// Map this selection through a [mappable](#transform.Mappable) thing. `doc`\n// should be the new document to which we are mapping.\n// :: () → Slice\n// Get the content of this selection as a slice.\n\n\nSelection.prototype.content = function content() {\n return this.$from.node(0).slice(this.from, this.to, true);\n}; // :: (Transaction, ?Slice)\n// Replace the selection with a slice or, if no slice is given,\n// delete the selection. Will append to the given transaction.\n\n\nSelection.prototype.replace = function replace(tr, content) {\n if (content === void 0) content = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty; // Put the new selection at the position after the inserted\n // content. When that ended in an inline node, search backwards,\n // to get the position after that node. If not, search forward.\n\n var lastNode = content.content.lastChild,\n lastParent = null;\n\n for (var i = 0; i < content.openEnd; i++) {\n lastParent = lastNode;\n lastNode = lastNode.lastChild;\n }\n\n var mapFrom = tr.steps.length,\n ranges = this.ranges;\n\n for (var i$1 = 0; i$1 < ranges.length; i$1++) {\n var ref = ranges[i$1];\n var $from = ref.$from;\n var $to = ref.$to;\n var mapping = tr.mapping.slice(mapFrom);\n tr.replaceRange(mapping.map($from.pos), mapping.map($to.pos), i$1 ? prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty : content);\n\n if (i$1 == 0) {\n selectionToInsertionEnd(tr, mapFrom, (lastNode ? lastNode.isInline : lastParent && lastParent.isTextblock) ? -1 : 1);\n }\n }\n}; // :: (Transaction, Node)\n// Replace the selection with the given node, appending the changes\n// to the given transaction.\n\n\nSelection.prototype.replaceWith = function replaceWith(tr, node) {\n var mapFrom = tr.steps.length,\n ranges = this.ranges;\n\n for (var i = 0; i < ranges.length; i++) {\n var ref = ranges[i];\n var $from = ref.$from;\n var $to = ref.$to;\n var mapping = tr.mapping.slice(mapFrom);\n var from = mapping.map($from.pos),\n to = mapping.map($to.pos);\n\n if (i) {\n tr.deleteRange(from, to);\n } else {\n tr.replaceRangeWith(from, to, node);\n selectionToInsertionEnd(tr, mapFrom, node.isInline ? -1 : 1);\n }\n }\n}; // toJSON:: () → Object\n// Convert the selection to a JSON representation. When implementing\n// this for a custom selection class, make sure to give the object a\n// `type` property whose value matches the ID under which you\n// [registered](#state.Selection^jsonID) your class.\n// :: (ResolvedPos, number, ?bool) → ?Selection\n// Find a valid cursor or leaf node selection starting at the given\n// position and searching back if `dir` is negative, and forward if\n// positive. When `textOnly` is true, only consider cursor\n// selections. Will return null when no valid selection position is\n// found.\n\n\nSelection.findFrom = function findFrom($pos, dir, textOnly) {\n var inner = $pos.parent.inlineContent ? new TextSelection($pos) : findSelectionIn($pos.node(0), $pos.parent, $pos.pos, $pos.index(), dir, textOnly);\n\n if (inner) {\n return inner;\n }\n\n for (var depth = $pos.depth - 1; depth >= 0; depth--) {\n var found = dir < 0 ? findSelectionIn($pos.node(0), $pos.node(depth), $pos.before(depth + 1), $pos.index(depth), dir, textOnly) : findSelectionIn($pos.node(0), $pos.node(depth), $pos.after(depth + 1), $pos.index(depth) + 1, dir, textOnly);\n\n if (found) {\n return found;\n }\n }\n}; // :: (ResolvedPos, ?number) → Selection\n// Find a valid cursor or leaf node selection near the given\n// position. Searches forward first by default, but if `bias` is\n// negative, it will search backwards first.\n\n\nSelection.near = function near($pos, bias) {\n if (bias === void 0) bias = 1;\n return this.findFrom($pos, bias) || this.findFrom($pos, -bias) || new AllSelection($pos.node(0));\n}; // :: (Node) → Selection\n// Find the cursor or leaf node selection closest to the start of\n// the given document. Will return an\n// [`AllSelection`](#state.AllSelection) if no valid position\n// exists.\n\n\nSelection.atStart = function atStart(doc) {\n return findSelectionIn(doc, doc, 0, 0, 1) || new AllSelection(doc);\n}; // :: (Node) → Selection\n// Find the cursor or leaf node selection closest to the end of the\n// given document.\n\n\nSelection.atEnd = function atEnd(doc) {\n return findSelectionIn(doc, doc, doc.content.size, doc.childCount, -1) || new AllSelection(doc);\n}; // :: (Node, Object) → Selection\n// Deserialize the JSON representation of a selection. Must be\n// implemented for custom classes (as a static class method).\n\n\nSelection.fromJSON = function fromJSON(doc, json) {\n if (!json || !json.type) {\n throw new RangeError(\"Invalid input for Selection.fromJSON\");\n }\n\n var cls = classesById[json.type];\n\n if (!cls) {\n throw new RangeError(\"No selection type \" + json.type + \" defined\");\n }\n\n return cls.fromJSON(doc, json);\n}; // :: (string, constructor)\n// To be able to deserialize selections from JSON, custom selection\n// classes must register themselves with an ID string, so that they\n// can be disambiguated. Try to pick something that's unlikely to\n// clash with classes from other modules.\n\n\nSelection.jsonID = function jsonID(id, selectionClass) {\n if (id in classesById) {\n throw new RangeError(\"Duplicate use of selection JSON ID \" + id);\n }\n\n classesById[id] = selectionClass;\n selectionClass.prototype.jsonID = id;\n return selectionClass;\n}; // :: () → SelectionBookmark\n// Get a [bookmark](#state.SelectionBookmark) for this selection,\n// which is a value that can be mapped without having access to a\n// current document, and later resolved to a real selection for a\n// given document again. (This is used mostly by the history to\n// track and restore old selections.) The default implementation of\n// this method just converts the selection to a text selection and\n// returns the bookmark for that.\n\n\nSelection.prototype.getBookmark = function getBookmark() {\n return TextSelection.between(this.$anchor, this.$head).getBookmark();\n};\n\nObject.defineProperties(Selection.prototype, prototypeAccessors); // :: bool\n// Controls whether, when a selection of this type is active in the\n// browser, the selected range should be visible to the user. Defaults\n// to `true`.\n\nSelection.prototype.visible = true; // SelectionBookmark:: interface\n// A lightweight, document-independent representation of a selection.\n// You can define a custom bookmark type for a custom selection class\n// to make the history handle it well.\n//\n// map:: (mapping: Mapping) → SelectionBookmark\n// Map the bookmark through a set of changes.\n//\n// resolve:: (doc: Node) → Selection\n// Resolve the bookmark to a real selection again. This may need to\n// do some error checking and may fall back to a default (usually\n// [`TextSelection.between`](#state.TextSelection^between)) if\n// mapping made the bookmark invalid.\n// ::- Represents a selected range in a document.\n\nvar SelectionRange = function SelectionRange($from, $to) {\n // :: ResolvedPos\n // The lower bound of the range.\n this.$from = $from; // :: ResolvedPos\n // The upper bound of the range.\n\n this.$to = $to;\n}; // ::- A text selection represents a classical editor selection, with\n// a head (the moving side) and anchor (immobile side), both of which\n// point into textblock nodes. It can be empty (a regular cursor\n// position).\n\n\nvar TextSelection = /*@__PURE__*/function (Selection) {\n function TextSelection($anchor, $head) {\n if ($head === void 0) $head = $anchor;\n Selection.call(this, $anchor, $head);\n }\n\n if (Selection) TextSelection.__proto__ = Selection;\n TextSelection.prototype = Object.create(Selection && Selection.prototype);\n TextSelection.prototype.constructor = TextSelection;\n var prototypeAccessors$1 = {\n $cursor: {\n configurable: true\n }\n }; // :: ?ResolvedPos\n // Returns a resolved position if this is a cursor selection (an\n // empty text selection), and null otherwise.\n\n prototypeAccessors$1.$cursor.get = function () {\n return this.$anchor.pos == this.$head.pos ? this.$head : null;\n };\n\n TextSelection.prototype.map = function map(doc, mapping) {\n var $head = doc.resolve(mapping.map(this.head));\n\n if (!$head.parent.inlineContent) {\n return Selection.near($head);\n }\n\n var $anchor = doc.resolve(mapping.map(this.anchor));\n return new TextSelection($anchor.parent.inlineContent ? $anchor : $head, $head);\n };\n\n TextSelection.prototype.replace = function replace(tr, content) {\n if (content === void 0) content = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty;\n Selection.prototype.replace.call(this, tr, content);\n\n if (content == prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty) {\n var marks = this.$from.marksAcross(this.$to);\n\n if (marks) {\n tr.ensureMarks(marks);\n }\n }\n };\n\n TextSelection.prototype.eq = function eq(other) {\n return other instanceof TextSelection && other.anchor == this.anchor && other.head == this.head;\n };\n\n TextSelection.prototype.getBookmark = function getBookmark() {\n return new TextBookmark(this.anchor, this.head);\n };\n\n TextSelection.prototype.toJSON = function toJSON() {\n return {\n type: \"text\",\n anchor: this.anchor,\n head: this.head\n };\n };\n\n TextSelection.fromJSON = function fromJSON(doc, json) {\n if (typeof json.anchor != \"number\" || typeof json.head != \"number\") {\n throw new RangeError(\"Invalid input for TextSelection.fromJSON\");\n }\n\n return new TextSelection(doc.resolve(json.anchor), doc.resolve(json.head));\n }; // :: (Node, number, ?number) → TextSelection\n // Create a text selection from non-resolved positions.\n\n\n TextSelection.create = function create(doc, anchor, head) {\n if (head === void 0) head = anchor;\n var $anchor = doc.resolve(anchor);\n return new this($anchor, head == anchor ? $anchor : doc.resolve(head));\n }; // :: (ResolvedPos, ResolvedPos, ?number) → Selection\n // Return a text selection that spans the given positions or, if\n // they aren't text positions, find a text selection near them.\n // `bias` determines whether the method searches forward (default)\n // or backwards (negative number) first. Will fall back to calling\n // [`Selection.near`](#state.Selection^near) when the document\n // doesn't contain a valid text position.\n\n\n TextSelection.between = function between($anchor, $head, bias) {\n var dPos = $anchor.pos - $head.pos;\n\n if (!bias || dPos) {\n bias = dPos >= 0 ? 1 : -1;\n }\n\n if (!$head.parent.inlineContent) {\n var found = Selection.findFrom($head, bias, true) || Selection.findFrom($head, -bias, true);\n\n if (found) {\n $head = found.$head;\n } else {\n return Selection.near($head, bias);\n }\n }\n\n if (!$anchor.parent.inlineContent) {\n if (dPos == 0) {\n $anchor = $head;\n } else {\n $anchor = (Selection.findFrom($anchor, -bias, true) || Selection.findFrom($anchor, bias, true)).$anchor;\n\n if ($anchor.pos < $head.pos != dPos < 0) {\n $anchor = $head;\n }\n }\n }\n\n return new TextSelection($anchor, $head);\n };\n\n Object.defineProperties(TextSelection.prototype, prototypeAccessors$1);\n return TextSelection;\n}(Selection);\n\nSelection.jsonID(\"text\", TextSelection);\n\nvar TextBookmark = function TextBookmark(anchor, head) {\n this.anchor = anchor;\n this.head = head;\n};\n\nTextBookmark.prototype.map = function map(mapping) {\n return new TextBookmark(mapping.map(this.anchor), mapping.map(this.head));\n};\n\nTextBookmark.prototype.resolve = function resolve(doc) {\n return TextSelection.between(doc.resolve(this.anchor), doc.resolve(this.head));\n}; // ::- A node selection is a selection that points at a single node.\n// All nodes marked [selectable](#model.NodeSpec.selectable) can be\n// the target of a node selection. In such a selection, `from` and\n// `to` point directly before and after the selected node, `anchor`\n// equals `from`, and `head` equals `to`..\n\n\nvar NodeSelection = /*@__PURE__*/function (Selection) {\n function NodeSelection($pos) {\n var node = $pos.nodeAfter;\n var $end = $pos.node(0).resolve($pos.pos + node.nodeSize);\n Selection.call(this, $pos, $end); // :: Node The selected node.\n\n this.node = node;\n }\n\n if (Selection) NodeSelection.__proto__ = Selection;\n NodeSelection.prototype = Object.create(Selection && Selection.prototype);\n NodeSelection.prototype.constructor = NodeSelection;\n\n NodeSelection.prototype.map = function map(doc, mapping) {\n var ref = mapping.mapResult(this.anchor);\n var deleted = ref.deleted;\n var pos = ref.pos;\n var $pos = doc.resolve(pos);\n\n if (deleted) {\n return Selection.near($pos);\n }\n\n return new NodeSelection($pos);\n };\n\n NodeSelection.prototype.content = function content() {\n return new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from(this.node), 0, 0);\n };\n\n NodeSelection.prototype.eq = function eq(other) {\n return other instanceof NodeSelection && other.anchor == this.anchor;\n };\n\n NodeSelection.prototype.toJSON = function toJSON() {\n return {\n type: \"node\",\n anchor: this.anchor\n };\n };\n\n NodeSelection.prototype.getBookmark = function getBookmark() {\n return new NodeBookmark(this.anchor);\n };\n\n NodeSelection.fromJSON = function fromJSON(doc, json) {\n if (typeof json.anchor != \"number\") {\n throw new RangeError(\"Invalid input for NodeSelection.fromJSON\");\n }\n\n return new NodeSelection(doc.resolve(json.anchor));\n }; // :: (Node, number) → NodeSelection\n // Create a node selection from non-resolved positions.\n\n\n NodeSelection.create = function create(doc, from) {\n return new this(doc.resolve(from));\n }; // :: (Node) → bool\n // Determines whether the given node may be selected as a node\n // selection.\n\n\n NodeSelection.isSelectable = function isSelectable(node) {\n return !node.isText && node.type.spec.selectable !== false;\n };\n\n return NodeSelection;\n}(Selection);\n\nNodeSelection.prototype.visible = false;\nSelection.jsonID(\"node\", NodeSelection);\n\nvar NodeBookmark = function NodeBookmark(anchor) {\n this.anchor = anchor;\n};\n\nNodeBookmark.prototype.map = function map(mapping) {\n var ref = mapping.mapResult(this.anchor);\n var deleted = ref.deleted;\n var pos = ref.pos;\n return deleted ? new TextBookmark(pos, pos) : new NodeBookmark(pos);\n};\n\nNodeBookmark.prototype.resolve = function resolve(doc) {\n var $pos = doc.resolve(this.anchor),\n node = $pos.nodeAfter;\n\n if (node && NodeSelection.isSelectable(node)) {\n return new NodeSelection($pos);\n }\n\n return Selection.near($pos);\n}; // ::- A selection type that represents selecting the whole document\n// (which can not necessarily be expressed with a text selection, when\n// there are for example leaf block nodes at the start or end of the\n// document).\n\n\nvar AllSelection = /*@__PURE__*/function (Selection) {\n function AllSelection(doc) {\n Selection.call(this, doc.resolve(0), doc.resolve(doc.content.size));\n }\n\n if (Selection) AllSelection.__proto__ = Selection;\n AllSelection.prototype = Object.create(Selection && Selection.prototype);\n AllSelection.prototype.constructor = AllSelection;\n\n AllSelection.prototype.toJSON = function toJSON() {\n return {\n type: \"all\"\n };\n };\n\n AllSelection.fromJSON = function fromJSON(doc) {\n return new AllSelection(doc);\n };\n\n AllSelection.prototype.map = function map(doc) {\n return new AllSelection(doc);\n };\n\n AllSelection.prototype.eq = function eq(other) {\n return other instanceof AllSelection;\n };\n\n AllSelection.prototype.getBookmark = function getBookmark() {\n return AllBookmark;\n };\n\n return AllSelection;\n}(Selection);\n\nSelection.jsonID(\"all\", AllSelection);\nvar AllBookmark = {\n map: function map() {\n return this;\n },\n resolve: function resolve(doc) {\n return new AllSelection(doc);\n }\n}; // FIXME we'll need some awareness of text direction when scanning for selections\n// Try to find a selection inside the given node. `pos` points at the\n// position where the search starts. When `text` is true, only return\n// text selections.\n\nfunction findSelectionIn(doc, node, pos, index, dir, text) {\n if (node.inlineContent) {\n return TextSelection.create(doc, pos);\n }\n\n for (var i = index - (dir > 0 ? 0 : 1); dir > 0 ? i < node.childCount : i >= 0; i += dir) {\n var child = node.child(i);\n\n if (!child.isAtom) {\n var inner = findSelectionIn(doc, child, pos + dir, dir < 0 ? child.childCount : 0, dir, text);\n\n if (inner) {\n return inner;\n }\n } else if (!text && NodeSelection.isSelectable(child)) {\n return NodeSelection.create(doc, pos - (dir < 0 ? child.nodeSize : 0));\n }\n\n pos += child.nodeSize * dir;\n }\n}\n\nfunction selectionToInsertionEnd(tr, startLen, bias) {\n var last = tr.steps.length - 1;\n\n if (last < startLen) {\n return;\n }\n\n var step = tr.steps[last];\n\n if (!(step instanceof prosemirror_transform__WEBPACK_IMPORTED_MODULE_1__[\"ReplaceStep\"] || step instanceof prosemirror_transform__WEBPACK_IMPORTED_MODULE_1__[\"ReplaceAroundStep\"])) {\n return;\n }\n\n var map = tr.mapping.maps[last],\n end;\n map.forEach(function (_from, _to, _newFrom, newTo) {\n if (end == null) {\n end = newTo;\n }\n });\n tr.setSelection(Selection.near(tr.doc.resolve(end), bias));\n}\n\nvar UPDATED_SEL = 1,\n UPDATED_MARKS = 2,\n UPDATED_SCROLL = 4; // ::- An editor state transaction, which can be applied to a state to\n// create an updated state. Use\n// [`EditorState.tr`](#state.EditorState.tr) to create an instance.\n//\n// Transactions track changes to the document (they are a subclass of\n// [`Transform`](#transform.Transform)), but also other state changes,\n// like selection updates and adjustments of the set of [stored\n// marks](#state.EditorState.storedMarks). In addition, you can store\n// metadata properties in a transaction, which are extra pieces of\n// information that client code or plugins can use to describe what a\n// transacion represents, so that they can update their [own\n// state](#state.StateField) accordingly.\n//\n// The [editor view](#view.EditorView) uses a few metadata properties:\n// it will attach a property `\"pointer\"` with the value `true` to\n// selection transactions directly caused by mouse or touch input, and\n// a `\"uiEvent\"` property of that may be `\"paste\"`, `\"cut\"`, or `\"drop\"`.\n\nvar Transaction = /*@__PURE__*/function (Transform) {\n function Transaction(state) {\n Transform.call(this, state.doc); // :: number\n // The timestamp associated with this transaction, in the same\n // format as `Date.now()`.\n\n this.time = Date.now();\n this.curSelection = state.selection; // The step count for which the current selection is valid.\n\n this.curSelectionFor = 0; // :: ?[Mark]\n // The stored marks set by this transaction, if any.\n\n this.storedMarks = state.storedMarks; // Bitfield to track which aspects of the state were updated by\n // this transaction.\n\n this.updated = 0; // Object used to store metadata properties for the transaction.\n\n this.meta = Object.create(null);\n }\n\n if (Transform) Transaction.__proto__ = Transform;\n Transaction.prototype = Object.create(Transform && Transform.prototype);\n Transaction.prototype.constructor = Transaction;\n var prototypeAccessors = {\n selection: {\n configurable: true\n },\n selectionSet: {\n configurable: true\n },\n storedMarksSet: {\n configurable: true\n },\n isGeneric: {\n configurable: true\n },\n scrolledIntoView: {\n configurable: true\n }\n }; // :: Selection\n // The transaction's current selection. This defaults to the editor\n // selection [mapped](#state.Selection.map) through the steps in the\n // transaction, but can be overwritten with\n // [`setSelection`](#state.Transaction.setSelection).\n\n prototypeAccessors.selection.get = function () {\n if (this.curSelectionFor < this.steps.length) {\n this.curSelection = this.curSelection.map(this.doc, this.mapping.slice(this.curSelectionFor));\n this.curSelectionFor = this.steps.length;\n }\n\n return this.curSelection;\n }; // :: (Selection) → Transaction\n // Update the transaction's current selection. Will determine the\n // selection that the editor gets when the transaction is applied.\n\n\n Transaction.prototype.setSelection = function setSelection(selection) {\n if (selection.$from.doc != this.doc) {\n throw new RangeError(\"Selection passed to setSelection must point at the current document\");\n }\n\n this.curSelection = selection;\n this.curSelectionFor = this.steps.length;\n this.updated = (this.updated | UPDATED_SEL) & ~UPDATED_MARKS;\n this.storedMarks = null;\n return this;\n }; // :: bool\n // Whether the selection was explicitly updated by this transaction.\n\n\n prototypeAccessors.selectionSet.get = function () {\n return (this.updated & UPDATED_SEL) > 0;\n }; // :: (?[Mark]) → Transaction\n // Set the current stored marks.\n\n\n Transaction.prototype.setStoredMarks = function setStoredMarks(marks) {\n this.storedMarks = marks;\n this.updated |= UPDATED_MARKS;\n return this;\n }; // :: ([Mark]) → Transaction\n // Make sure the current stored marks or, if that is null, the marks\n // at the selection, match the given set of marks. Does nothing if\n // this is already the case.\n\n\n Transaction.prototype.ensureMarks = function ensureMarks(marks) {\n if (!prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Mark\"].sameSet(this.storedMarks || this.selection.$from.marks(), marks)) {\n this.setStoredMarks(marks);\n }\n\n return this;\n }; // :: (Mark) → Transaction\n // Add a mark to the set of stored marks.\n\n\n Transaction.prototype.addStoredMark = function addStoredMark(mark) {\n return this.ensureMarks(mark.addToSet(this.storedMarks || this.selection.$head.marks()));\n }; // :: (union) → Transaction\n // Remove a mark or mark type from the set of stored marks.\n\n\n Transaction.prototype.removeStoredMark = function removeStoredMark(mark) {\n return this.ensureMarks(mark.removeFromSet(this.storedMarks || this.selection.$head.marks()));\n }; // :: bool\n // Whether the stored marks were explicitly set for this transaction.\n\n\n prototypeAccessors.storedMarksSet.get = function () {\n return (this.updated & UPDATED_MARKS) > 0;\n };\n\n Transaction.prototype.addStep = function addStep(step, doc) {\n Transform.prototype.addStep.call(this, step, doc);\n this.updated = this.updated & ~UPDATED_MARKS;\n this.storedMarks = null;\n }; // :: (number) → Transaction\n // Update the timestamp for the transaction.\n\n\n Transaction.prototype.setTime = function setTime(time) {\n this.time = time;\n return this;\n }; // :: (Slice) → Transaction\n // Replace the current selection with the given slice.\n\n\n Transaction.prototype.replaceSelection = function replaceSelection(slice) {\n this.selection.replace(this, slice);\n return this;\n }; // :: (Node, ?bool) → Transaction\n // Replace the selection with the given node. When `inheritMarks` is\n // true and the content is inline, it inherits the marks from the\n // place where it is inserted.\n\n\n Transaction.prototype.replaceSelectionWith = function replaceSelectionWith(node, inheritMarks) {\n var selection = this.selection;\n\n if (inheritMarks !== false) {\n node = node.mark(this.storedMarks || (selection.empty ? selection.$from.marks() : selection.$from.marksAcross(selection.$to) || prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Mark\"].none));\n }\n\n selection.replaceWith(this, node);\n return this;\n }; // :: () → Transaction\n // Delete the selection.\n\n\n Transaction.prototype.deleteSelection = function deleteSelection() {\n this.selection.replace(this);\n return this;\n }; // :: (string, from: ?number, to: ?number) → Transaction\n // Replace the given range, or the selection if no range is given,\n // with a text node containing the given string.\n\n\n Transaction.prototype.insertText = function insertText(text, from, to) {\n if (to === void 0) to = from;\n var schema = this.doc.type.schema;\n\n if (from == null) {\n if (!text) {\n return this.deleteSelection();\n }\n\n return this.replaceSelectionWith(schema.text(text), true);\n } else {\n if (!text) {\n return this.deleteRange(from, to);\n }\n\n var marks = this.storedMarks;\n\n if (!marks) {\n var $from = this.doc.resolve(from);\n marks = to == from ? $from.marks() : $from.marksAcross(this.doc.resolve(to));\n }\n\n this.replaceRangeWith(from, to, schema.text(text, marks));\n\n if (!this.selection.empty) {\n this.setSelection(Selection.near(this.selection.$to));\n }\n\n return this;\n }\n }; // :: (union, any) → Transaction\n // Store a metadata property in this transaction, keyed either by\n // name or by plugin.\n\n\n Transaction.prototype.setMeta = function setMeta(key, value) {\n this.meta[typeof key == \"string\" ? key : key.key] = value;\n return this;\n }; // :: (union) → any\n // Retrieve a metadata property for a given name or plugin.\n\n\n Transaction.prototype.getMeta = function getMeta(key) {\n return this.meta[typeof key == \"string\" ? key : key.key];\n }; // :: bool\n // Returns true if this transaction doesn't contain any metadata,\n // and can thus safely be extended.\n\n\n prototypeAccessors.isGeneric.get = function () {\n for (var _ in this.meta) {\n return false;\n }\n\n return true;\n }; // :: () → Transaction\n // Indicate that the editor should scroll the selection into view\n // when updated to the state produced by this transaction.\n\n\n Transaction.prototype.scrollIntoView = function scrollIntoView() {\n this.updated |= UPDATED_SCROLL;\n return this;\n };\n\n prototypeAccessors.scrolledIntoView.get = function () {\n return (this.updated & UPDATED_SCROLL) > 0;\n };\n\n Object.defineProperties(Transaction.prototype, prototypeAccessors);\n return Transaction;\n}(prosemirror_transform__WEBPACK_IMPORTED_MODULE_1__[\"Transform\"]);\n\nfunction bind(f, self) {\n return !self || !f ? f : f.bind(self);\n}\n\nvar FieldDesc = function FieldDesc(name, desc, self) {\n this.name = name;\n this.init = bind(desc.init, self);\n this.apply = bind(desc.apply, self);\n};\n\nvar baseFields = [new FieldDesc(\"doc\", {\n init: function init(config) {\n return config.doc || config.schema.topNodeType.createAndFill();\n },\n apply: function apply(tr) {\n return tr.doc;\n }\n}), new FieldDesc(\"selection\", {\n init: function init(config, instance) {\n return config.selection || Selection.atStart(instance.doc);\n },\n apply: function apply(tr) {\n return tr.selection;\n }\n}), new FieldDesc(\"storedMarks\", {\n init: function init(config) {\n return config.storedMarks || null;\n },\n apply: function apply(tr, _marks, _old, state) {\n return state.selection.$cursor ? tr.storedMarks : null;\n }\n}), new FieldDesc(\"scrollToSelection\", {\n init: function init() {\n return 0;\n },\n apply: function apply(tr, prev) {\n return tr.scrolledIntoView ? prev + 1 : prev;\n }\n})]; // Object wrapping the part of a state object that stays the same\n// across transactions. Stored in the state's `config` property.\n\nvar Configuration = function Configuration(schema, plugins) {\n var this$1 = this;\n this.schema = schema;\n this.fields = baseFields.concat();\n this.plugins = [];\n this.pluginsByKey = Object.create(null);\n\n if (plugins) {\n plugins.forEach(function (plugin) {\n if (this$1.pluginsByKey[plugin.key]) {\n throw new RangeError(\"Adding different instances of a keyed plugin (\" + plugin.key + \")\");\n }\n\n this$1.plugins.push(plugin);\n this$1.pluginsByKey[plugin.key] = plugin;\n\n if (plugin.spec.state) {\n this$1.fields.push(new FieldDesc(plugin.key, plugin.spec.state, plugin));\n }\n });\n }\n}; // ::- The state of a ProseMirror editor is represented by an object\n// of this type. A state is a persistent data structure—it isn't\n// updated, but rather a new state value is computed from an old one\n// using the [`apply`](#state.EditorState.apply) method.\n//\n// A state holds a number of built-in fields, and plugins can\n// [define](#state.PluginSpec.state) additional fields.\n\n\nvar EditorState = function EditorState(config) {\n this.config = config;\n};\n\nvar prototypeAccessors$1 = {\n schema: {\n configurable: true\n },\n plugins: {\n configurable: true\n },\n tr: {\n configurable: true\n }\n}; // doc:: Node\n// The current document.\n// selection:: Selection\n// The selection.\n// storedMarks:: ?[Mark]\n// A set of marks to apply to the next input. Will be null when\n// no explicit marks have been set.\n// :: Schema\n// The schema of the state's document.\n\nprototypeAccessors$1.schema.get = function () {\n return this.config.schema;\n}; // :: [Plugin]\n// The plugins that are active in this state.\n\n\nprototypeAccessors$1.plugins.get = function () {\n return this.config.plugins;\n}; // :: (Transaction) → EditorState\n// Apply the given transaction to produce a new state.\n\n\nEditorState.prototype.apply = function apply(tr) {\n return this.applyTransaction(tr).state;\n}; // : (Transaction) → bool\n\n\nEditorState.prototype.filterTransaction = function filterTransaction(tr, ignore) {\n if (ignore === void 0) ignore = -1;\n\n for (var i = 0; i < this.config.plugins.length; i++) {\n if (i != ignore) {\n var plugin = this.config.plugins[i];\n\n if (plugin.spec.filterTransaction && !plugin.spec.filterTransaction.call(plugin, tr, this)) {\n return false;\n }\n }\n }\n\n return true;\n}; // :: (Transaction) → {state: EditorState, transactions: [Transaction]}\n// Verbose variant of [`apply`](#state.EditorState.apply) that\n// returns the precise transactions that were applied (which might\n// be influenced by the [transaction\n// hooks](#state.PluginSpec.filterTransaction) of\n// plugins) along with the new state.\n\n\nEditorState.prototype.applyTransaction = function applyTransaction(rootTr) {\n if (!this.filterTransaction(rootTr)) {\n return {\n state: this,\n transactions: []\n };\n }\n\n var trs = [rootTr],\n newState = this.applyInner(rootTr),\n seen = null; // This loop repeatedly gives plugins a chance to respond to\n // transactions as new transactions are added, making sure to only\n // pass the transactions the plugin did not see before.\n\n for (;;) {\n var haveNew = false;\n\n for (var i = 0; i < this.config.plugins.length; i++) {\n var plugin = this.config.plugins[i];\n\n if (plugin.spec.appendTransaction) {\n var n = seen ? seen[i].n : 0,\n oldState = seen ? seen[i].state : this;\n var tr = n < trs.length && plugin.spec.appendTransaction.call(plugin, n ? trs.slice(n) : trs, oldState, newState);\n\n if (tr && newState.filterTransaction(tr, i)) {\n tr.setMeta(\"appendedTransaction\", rootTr);\n\n if (!seen) {\n seen = [];\n\n for (var j = 0; j < this.config.plugins.length; j++) {\n seen.push(j < i ? {\n state: newState,\n n: trs.length\n } : {\n state: this,\n n: 0\n });\n }\n }\n\n trs.push(tr);\n newState = newState.applyInner(tr);\n haveNew = true;\n }\n\n if (seen) {\n seen[i] = {\n state: newState,\n n: trs.length\n };\n }\n }\n }\n\n if (!haveNew) {\n return {\n state: newState,\n transactions: trs\n };\n }\n }\n}; // : (Transaction) → EditorState\n\n\nEditorState.prototype.applyInner = function applyInner(tr) {\n if (!tr.before.eq(this.doc)) {\n throw new RangeError(\"Applying a mismatched transaction\");\n }\n\n var newInstance = new EditorState(this.config),\n fields = this.config.fields;\n\n for (var i = 0; i < fields.length; i++) {\n var field = fields[i];\n newInstance[field.name] = field.apply(tr, this[field.name], this, newInstance);\n }\n\n for (var i$1 = 0; i$1 < applyListeners.length; i$1++) {\n applyListeners[i$1](this, tr, newInstance);\n }\n\n return newInstance;\n}; // :: Transaction\n// Start a [transaction](#state.Transaction) from this state.\n\n\nprototypeAccessors$1.tr.get = function () {\n return new Transaction(this);\n}; // :: (Object) → EditorState\n// Create a new state.\n//\n// config::- Configuration options. Must contain `schema` or `doc` (or both).\n//\n// schema:: ?Schema\n// The schema to use.\n//\n// doc:: ?Node\n// The starting document.\n//\n// selection:: ?Selection\n// A valid selection in the document.\n//\n// storedMarks:: ?[Mark]\n// The initial set of [stored marks](#state.EditorState.storedMarks).\n//\n// plugins:: ?[Plugin]\n// The plugins that should be active in this state.\n\n\nEditorState.create = function create(config) {\n var $config = new Configuration(config.schema || config.doc.type.schema, config.plugins);\n var instance = new EditorState($config);\n\n for (var i = 0; i < $config.fields.length; i++) {\n instance[$config.fields[i].name] = $config.fields[i].init(config, instance);\n }\n\n return instance;\n}; // :: (Object) → EditorState\n// Create a new state based on this one, but with an adjusted set of\n// active plugins. State fields that exist in both sets of plugins\n// are kept unchanged. Those that no longer exist are dropped, and\n// those that are new are initialized using their\n// [`init`](#state.StateField.init) method, passing in the new\n// configuration object..\n//\n// config::- configuration options\n//\n// schema:: ?Schema\n// New schema to use.\n//\n// plugins:: ?[Plugin]\n// New set of active plugins.\n\n\nEditorState.prototype.reconfigure = function reconfigure(config) {\n var $config = new Configuration(config.schema || this.schema, config.plugins);\n var fields = $config.fields,\n instance = new EditorState($config);\n\n for (var i = 0; i < fields.length; i++) {\n var name = fields[i].name;\n instance[name] = this.hasOwnProperty(name) ? this[name] : fields[i].init(config, instance);\n }\n\n return instance;\n}; // :: (?union, string, number>) → Object\n// Serialize this state to JSON. If you want to serialize the state\n// of plugins, pass an object mapping property names to use in the\n// resulting JSON object to plugin objects. The argument may also be\n// a string or number, in which case it is ignored, to support the\n// way `JSON.stringify` calls `toString` methods.\n\n\nEditorState.prototype.toJSON = function toJSON(pluginFields) {\n var result = {\n doc: this.doc.toJSON(),\n selection: this.selection.toJSON()\n };\n\n if (this.storedMarks) {\n result.storedMarks = this.storedMarks.map(function (m) {\n return m.toJSON();\n });\n }\n\n if (pluginFields && _typeof(pluginFields) == 'object') {\n for (var prop in pluginFields) {\n if (prop == \"doc\" || prop == \"selection\") {\n throw new RangeError(\"The JSON fields `doc` and `selection` are reserved\");\n }\n\n var plugin = pluginFields[prop],\n state = plugin.spec.state;\n\n if (state && state.toJSON) {\n result[prop] = state.toJSON.call(plugin, this[plugin.key]);\n }\n }\n }\n\n return result;\n}; // :: (Object, Object, ?Object) → EditorState\n// Deserialize a JSON representation of a state. `config` should\n// have at least a `schema` field, and should contain array of\n// plugins to initialize the state with. `pluginFields` can be used\n// to deserialize the state of plugins, by associating plugin\n// instances with the property names they use in the JSON object.\n//\n// config::- configuration options\n//\n// schema:: Schema\n// The schema to use.\n//\n// plugins:: ?[Plugin]\n// The set of active plugins.\n\n\nEditorState.fromJSON = function fromJSON(config, json, pluginFields) {\n if (!json) {\n throw new RangeError(\"Invalid input for EditorState.fromJSON\");\n }\n\n if (!config.schema) {\n throw new RangeError(\"Required config field 'schema' missing\");\n }\n\n var $config = new Configuration(config.schema, config.plugins);\n var instance = new EditorState($config);\n $config.fields.forEach(function (field) {\n if (field.name == \"doc\") {\n instance.doc = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Node\"].fromJSON(config.schema, json.doc);\n } else if (field.name == \"selection\") {\n instance.selection = Selection.fromJSON(instance.doc, json.selection);\n } else if (field.name == \"storedMarks\") {\n if (json.storedMarks) {\n instance.storedMarks = json.storedMarks.map(config.schema.markFromJSON);\n }\n } else {\n if (pluginFields) {\n for (var prop in pluginFields) {\n var plugin = pluginFields[prop],\n state = plugin.spec.state;\n\n if (plugin.key == field.name && state && state.fromJSON && Object.prototype.hasOwnProperty.call(json, prop)) {\n // This field belongs to a plugin mapped to a JSON field, read it from there.\n instance[field.name] = state.fromJSON.call(plugin, config, json[prop], instance);\n return;\n }\n }\n }\n\n instance[field.name] = field.init(config, instance);\n }\n });\n return instance;\n}; // Kludge to allow the view to track mappings between different\n// instances of a state.\n//\n// FIXME this is no longer needed as of prosemirror-view 1.9.0,\n// though due to backwards-compat we should probably keep it around\n// for a while (if only as a no-op)\n\n\nEditorState.addApplyListener = function addApplyListener(f) {\n applyListeners.push(f);\n};\n\nEditorState.removeApplyListener = function removeApplyListener(f) {\n var found = applyListeners.indexOf(f);\n\n if (found > -1) {\n applyListeners.splice(found, 1);\n }\n};\n\nObject.defineProperties(EditorState.prototype, prototypeAccessors$1);\nvar applyListeners = []; // PluginSpec:: interface\n//\n// This is the type passed to the [`Plugin`](#state.Plugin)\n// constructor. It provides a definition for a plugin.\n//\n// props:: ?EditorProps\n// The [view props](#view.EditorProps) added by this plugin. Props\n// that are functions will be bound to have the plugin instance as\n// their `this` binding.\n//\n// state:: ?StateField\n// Allows a plugin to define a [state field](#state.StateField), an\n// extra slot in the state object in which it can keep its own data.\n//\n// key:: ?PluginKey\n// Can be used to make this a keyed plugin. You can have only one\n// plugin with a given key in a given state, but it is possible to\n// access the plugin's configuration and state through the key,\n// without having access to the plugin instance object.\n//\n// view:: ?(EditorView) → Object\n// When the plugin needs to interact with the editor view, or\n// set something up in the DOM, use this field. The function\n// will be called when the plugin's state is associated with an\n// editor view.\n//\n// return::-\n// Should return an object with the following optional\n// properties:\n//\n// update:: ?(view: EditorView, prevState: EditorState)\n// Called whenever the view's state is updated.\n//\n// destroy:: ?()\n// Called when the view is destroyed or receives a state\n// with different plugins.\n//\n// filterTransaction:: ?(Transaction, EditorState) → bool\n// When present, this will be called before a transaction is\n// applied by the state, allowing the plugin to cancel it (by\n// returning false).\n//\n// appendTransaction:: ?(transactions: [Transaction], oldState: EditorState, newState: EditorState) → ?Transaction\n// Allows the plugin to append another transaction to be applied\n// after the given array of transactions. When another plugin\n// appends a transaction after this was called, it is called again\n// with the new state and new transactions—but only the new\n// transactions, i.e. it won't be passed transactions that it\n// already saw.\n\nfunction bindProps(obj, self, target) {\n for (var prop in obj) {\n var val = obj[prop];\n\n if (val instanceof Function) {\n val = val.bind(self);\n } else if (prop == \"handleDOMEvents\") {\n val = bindProps(val, self, {});\n }\n\n target[prop] = val;\n }\n\n return target;\n} // ::- Plugins bundle functionality that can be added to an editor.\n// They are part of the [editor state](#state.EditorState) and\n// may influence that state and the view that contains it.\n\n\nvar Plugin = function Plugin(spec) {\n // :: EditorProps\n // The [props](#view.EditorProps) exported by this plugin.\n this.props = {};\n\n if (spec.props) {\n bindProps(spec.props, this, this.props);\n } // :: Object\n // The plugin's [spec object](#state.PluginSpec).\n\n\n this.spec = spec;\n this.key = spec.key ? spec.key.key : createKey(\"plugin\");\n}; // :: (EditorState) → any\n// Extract the plugin's state field from an editor state.\n\n\nPlugin.prototype.getState = function getState(state) {\n return state[this.key];\n}; // StateField:: interface\n// A plugin spec may provide a state field (under its\n// [`state`](#state.PluginSpec.state) property) of this type, which\n// describes the state it wants to keep. Functions provided here are\n// always called with the plugin instance as their `this` binding.\n//\n// init:: (config: Object, instance: EditorState) → T\n// Initialize the value of the field. `config` will be the object\n// passed to [`EditorState.create`](#state.EditorState^create). Note\n// that `instance` is a half-initialized state instance, and will\n// not have values for plugin fields initialized after this one.\n//\n// apply:: (tr: Transaction, value: T, oldState: EditorState, newState: EditorState) → T\n// Apply the given transaction to this state field, producing a new\n// field value. Note that the `newState` argument is again a partially\n// constructed state does not yet contain the state from plugins\n// coming after this one.\n//\n// toJSON:: ?(value: T) → *\n// Convert this field to JSON. Optional, can be left off to disable\n// JSON serialization for the field.\n//\n// fromJSON:: ?(config: Object, value: *, state: EditorState) → T\n// Deserialize the JSON representation of this field. Note that the\n// `state` argument is again a half-initialized state.\n\n\nvar keys = Object.create(null);\n\nfunction createKey(name) {\n if (name in keys) {\n return name + \"$\" + ++keys[name];\n }\n\n keys[name] = 0;\n return name + \"$\";\n} // ::- A key is used to [tag](#state.PluginSpec.key)\n// plugins in a way that makes it possible to find them, given an\n// editor state. Assigning a key does mean only one plugin of that\n// type can be active in a state.\n\n\nvar PluginKey = function PluginKey(name) {\n if (name === void 0) name = \"key\";\n this.key = createKey(name);\n}; // :: (EditorState) → ?Plugin\n// Get the active plugin with this key, if any, from an editor\n// state.\n\n\nPluginKey.prototype.get = function get(state) {\n return state.config.pluginsByKey[this.key];\n}; // :: (EditorState) → ?any\n// Get the plugin's state from an editor state.\n\n\nPluginKey.prototype.getState = function getState(state) {\n return state[this.key];\n};\n\n\n\n//# sourceURL=webpack:///./node_modules/prosemirror-state/dist/index.es.js?");
/***/ }),
/***/ "./node_modules/prosemirror-transform/dist/index.es.js":
/*!*************************************************************!*\
!*** ./node_modules/prosemirror-transform/dist/index.es.js ***!
\*************************************************************/
/*! exports provided: AddMarkStep, MapResult, Mapping, RemoveMarkStep, ReplaceAroundStep, ReplaceStep, Step, StepMap, StepResult, Transform, TransformError, canJoin, canSplit, dropPoint, findWrapping, insertPoint, joinPoint, liftTarget, replaceStep */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"AddMarkStep\", function() { return AddMarkStep; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"MapResult\", function() { return MapResult; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Mapping\", function() { return Mapping; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"RemoveMarkStep\", function() { return RemoveMarkStep; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"ReplaceAroundStep\", function() { return ReplaceAroundStep; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"ReplaceStep\", function() { return ReplaceStep; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Step\", function() { return Step; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"StepMap\", function() { return StepMap; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"StepResult\", function() { return StepResult; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Transform\", function() { return Transform; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"TransformError\", function() { return TransformError; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"canJoin\", function() { return canJoin; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"canSplit\", function() { return canSplit; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"dropPoint\", function() { return dropPoint; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"findWrapping\", function() { return findWrapping; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"insertPoint\", function() { return insertPoint; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"joinPoint\", function() { return joinPoint; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"liftTarget\", function() { return liftTarget; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"replaceStep\", function() { return replaceStep; });\n/* harmony import */ var prosemirror_model__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! prosemirror-model */ \"./node_modules/prosemirror-model/dist/index.es.js\");\n // Mappable:: interface\n// There are several things that positions can be mapped through.\n// Such objects conform to this interface.\n//\n// map:: (pos: number, assoc: ?number) → number\n// Map a position through this object. When given, `assoc` (should\n// be -1 or 1, defaults to 1) determines with which side the\n// position is associated, which determines in which direction to\n// move when a chunk of content is inserted at the mapped position.\n//\n// mapResult:: (pos: number, assoc: ?number) → MapResult\n// Map a position, and return an object containing additional\n// information about the mapping. The result's `deleted` field tells\n// you whether the position was deleted (completely enclosed in a\n// replaced range) during the mapping. When content on only one side\n// is deleted, the position itself is only considered deleted when\n// `assoc` points in the direction of the deleted content.\n// Recovery values encode a range index and an offset. They are\n// represented as numbers, because tons of them will be created when\n// mapping, for example, a large number of decorations. The number's\n// lower 16 bits provide the index, the remaining bits the offset.\n//\n// Note: We intentionally don't use bit shift operators to en- and\n// decode these, since those clip to 32 bits, which we might in rare\n// cases want to overflow. A 64-bit float can represent 48-bit\n// integers precisely.\n\nvar lower16 = 0xffff;\nvar factor16 = Math.pow(2, 16);\n\nfunction makeRecover(index, offset) {\n return index + offset * factor16;\n}\n\nfunction recoverIndex(value) {\n return value & lower16;\n}\n\nfunction recoverOffset(value) {\n return (value - (value & lower16)) / factor16;\n} // ::- An object representing a mapped position with extra\n// information.\n\n\nvar MapResult = function MapResult(pos, deleted, recover) {\n if (deleted === void 0) deleted = false;\n if (recover === void 0) recover = null; // :: number The mapped version of the position.\n\n this.pos = pos; // :: bool Tells you whether the position was deleted, that is,\n // whether the step removed its surroundings from the document.\n\n this.deleted = deleted;\n this.recover = recover;\n}; // :: class extends Mappable\n// A map describing the deletions and insertions made by a step, which\n// can be used to find the correspondence between positions in the\n// pre-step version of a document and the same position in the\n// post-step version.\n\n\nvar StepMap = function StepMap(ranges, inverted) {\n if (inverted === void 0) inverted = false;\n this.ranges = ranges;\n this.inverted = inverted;\n};\n\nStepMap.prototype.recover = function recover(value) {\n var diff = 0,\n index = recoverIndex(value);\n\n if (!this.inverted) {\n for (var i = 0; i < index; i++) {\n diff += this.ranges[i * 3 + 2] - this.ranges[i * 3 + 1];\n }\n }\n\n return this.ranges[index * 3] + diff + recoverOffset(value);\n}; // : (number, ?number) → MapResult\n\n\nStepMap.prototype.mapResult = function mapResult(pos, assoc) {\n if (assoc === void 0) assoc = 1;\n return this._map(pos, assoc, false);\n}; // : (number, ?number) → number\n\n\nStepMap.prototype.map = function map(pos, assoc) {\n if (assoc === void 0) assoc = 1;\n return this._map(pos, assoc, true);\n};\n\nStepMap.prototype._map = function _map(pos, assoc, simple) {\n var diff = 0,\n oldIndex = this.inverted ? 2 : 1,\n newIndex = this.inverted ? 1 : 2;\n\n for (var i = 0; i < this.ranges.length; i += 3) {\n var start = this.ranges[i] - (this.inverted ? diff : 0);\n\n if (start > pos) {\n break;\n }\n\n var oldSize = this.ranges[i + oldIndex],\n newSize = this.ranges[i + newIndex],\n end = start + oldSize;\n\n if (pos <= end) {\n var side = !oldSize ? assoc : pos == start ? -1 : pos == end ? 1 : assoc;\n var result = start + diff + (side < 0 ? 0 : newSize);\n\n if (simple) {\n return result;\n }\n\n var recover = makeRecover(i / 3, pos - start);\n return new MapResult(result, assoc < 0 ? pos != start : pos != end, recover);\n }\n\n diff += newSize - oldSize;\n }\n\n return simple ? pos + diff : new MapResult(pos + diff);\n};\n\nStepMap.prototype.touches = function touches(pos, recover) {\n var diff = 0,\n index = recoverIndex(recover);\n var oldIndex = this.inverted ? 2 : 1,\n newIndex = this.inverted ? 1 : 2;\n\n for (var i = 0; i < this.ranges.length; i += 3) {\n var start = this.ranges[i] - (this.inverted ? diff : 0);\n\n if (start > pos) {\n break;\n }\n\n var oldSize = this.ranges[i + oldIndex],\n end = start + oldSize;\n\n if (pos <= end && i == index * 3) {\n return true;\n }\n\n diff += this.ranges[i + newIndex] - oldSize;\n }\n\n return false;\n}; // :: ((oldStart: number, oldEnd: number, newStart: number, newEnd: number))\n// Calls the given function on each of the changed ranges included in\n// this map.\n\n\nStepMap.prototype.forEach = function forEach(f) {\n var oldIndex = this.inverted ? 2 : 1,\n newIndex = this.inverted ? 1 : 2;\n\n for (var i = 0, diff = 0; i < this.ranges.length; i += 3) {\n var start = this.ranges[i],\n oldStart = start - (this.inverted ? diff : 0),\n newStart = start + (this.inverted ? 0 : diff);\n var oldSize = this.ranges[i + oldIndex],\n newSize = this.ranges[i + newIndex];\n f(oldStart, oldStart + oldSize, newStart, newStart + newSize);\n diff += newSize - oldSize;\n }\n}; // :: () → StepMap\n// Create an inverted version of this map. The result can be used to\n// map positions in the post-step document to the pre-step document.\n\n\nStepMap.prototype.invert = function invert() {\n return new StepMap(this.ranges, !this.inverted);\n};\n\nStepMap.prototype.toString = function toString() {\n return (this.inverted ? \"-\" : \"\") + JSON.stringify(this.ranges);\n}; // :: (n: number) → StepMap\n// Create a map that moves all positions by offset `n` (which may be\n// negative). This can be useful when applying steps meant for a\n// sub-document to a larger document, or vice-versa.\n\n\nStepMap.offset = function offset(n) {\n return n == 0 ? StepMap.empty : new StepMap(n < 0 ? [0, -n, 0] : [0, 0, n]);\n};\n\nStepMap.empty = new StepMap([]); // :: class extends Mappable\n// A mapping represents a pipeline of zero or more [step\n// maps](#transform.StepMap). It has special provisions for losslessly\n// handling mapping positions through a series of steps in which some\n// steps are inverted versions of earlier steps. (This comes up when\n// ‘[rebasing](/docs/guide/#transform.rebasing)’ steps for\n// collaboration or history management.)\n\nvar Mapping = function Mapping(maps, mirror, from, to) {\n // :: [StepMap]\n // The step maps in this mapping.\n this.maps = maps || []; // :: number\n // The starting position in the `maps` array, used when `map` or\n // `mapResult` is called.\n\n this.from = from || 0; // :: number\n // The end position in the `maps` array.\n\n this.to = to == null ? this.maps.length : to;\n this.mirror = mirror;\n}; // :: (?number, ?number) → Mapping\n// Create a mapping that maps only through a part of this one.\n\n\nMapping.prototype.slice = function slice(from, to) {\n if (from === void 0) from = 0;\n if (to === void 0) to = this.maps.length;\n return new Mapping(this.maps, this.mirror, from, to);\n};\n\nMapping.prototype.copy = function copy() {\n return new Mapping(this.maps.slice(), this.mirror && this.mirror.slice(), this.from, this.to);\n}; // :: (StepMap, ?number)\n// Add a step map to the end of this mapping. If `mirrors` is\n// given, it should be the index of the step map that is the mirror\n// image of this one.\n\n\nMapping.prototype.appendMap = function appendMap(map, mirrors) {\n this.to = this.maps.push(map);\n\n if (mirrors != null) {\n this.setMirror(this.maps.length - 1, mirrors);\n }\n}; // :: (Mapping)\n// Add all the step maps in a given mapping to this one (preserving\n// mirroring information).\n\n\nMapping.prototype.appendMapping = function appendMapping(mapping) {\n for (var i = 0, startSize = this.maps.length; i < mapping.maps.length; i++) {\n var mirr = mapping.getMirror(i);\n this.appendMap(mapping.maps[i], mirr != null && mirr < i ? startSize + mirr : null);\n }\n}; // :: (number) → ?number\n// Finds the offset of the step map that mirrors the map at the\n// given offset, in this mapping (as per the second argument to\n// `appendMap`).\n\n\nMapping.prototype.getMirror = function getMirror(n) {\n if (this.mirror) {\n for (var i = 0; i < this.mirror.length; i++) {\n if (this.mirror[i] == n) {\n return this.mirror[i + (i % 2 ? -1 : 1)];\n }\n }\n }\n};\n\nMapping.prototype.setMirror = function setMirror(n, m) {\n if (!this.mirror) {\n this.mirror = [];\n }\n\n this.mirror.push(n, m);\n}; // :: (Mapping)\n// Append the inverse of the given mapping to this one.\n\n\nMapping.prototype.appendMappingInverted = function appendMappingInverted(mapping) {\n for (var i = mapping.maps.length - 1, totalSize = this.maps.length + mapping.maps.length; i >= 0; i--) {\n var mirr = mapping.getMirror(i);\n this.appendMap(mapping.maps[i].invert(), mirr != null && mirr > i ? totalSize - mirr - 1 : null);\n }\n}; // :: () → Mapping\n// Create an inverted version of this mapping.\n\n\nMapping.prototype.invert = function invert() {\n var inverse = new Mapping();\n inverse.appendMappingInverted(this);\n return inverse;\n}; // : (number, ?number) → number\n// Map a position through this mapping.\n\n\nMapping.prototype.map = function map(pos, assoc) {\n if (assoc === void 0) assoc = 1;\n\n if (this.mirror) {\n return this._map(pos, assoc, true);\n }\n\n for (var i = this.from; i < this.to; i++) {\n pos = this.maps[i].map(pos, assoc);\n }\n\n return pos;\n}; // : (number, ?number) → MapResult\n// Map a position through this mapping, returning a mapping\n// result.\n\n\nMapping.prototype.mapResult = function mapResult(pos, assoc) {\n if (assoc === void 0) assoc = 1;\n return this._map(pos, assoc, false);\n};\n\nMapping.prototype._map = function _map(pos, assoc, simple) {\n var deleted = false,\n recoverables = null;\n\n for (var i = this.from; i < this.to; i++) {\n var map = this.maps[i],\n rec = recoverables && recoverables[i];\n\n if (rec != null && map.touches(pos, rec)) {\n pos = map.recover(rec);\n continue;\n }\n\n var result = map.mapResult(pos, assoc);\n\n if (result.recover != null) {\n var corr = this.getMirror(i);\n\n if (corr != null && corr > i && corr < this.to) {\n if (result.deleted) {\n i = corr;\n pos = this.maps[corr].recover(result.recover);\n continue;\n } else {\n (recoverables || (recoverables = Object.create(null)))[corr] = result.recover;\n }\n }\n }\n\n if (result.deleted) {\n deleted = true;\n }\n\n pos = result.pos;\n }\n\n return simple ? pos : new MapResult(pos, deleted);\n};\n\nfunction TransformError(message) {\n var err = Error.call(this, message);\n err.__proto__ = TransformError.prototype;\n return err;\n}\n\nTransformError.prototype = Object.create(Error.prototype);\nTransformError.prototype.constructor = TransformError;\nTransformError.prototype.name = \"TransformError\"; // ::- Abstraction to build up and track an array of\n// [steps](#transform.Step) representing a document transformation.\n//\n// Most transforming methods return the `Transform` object itself, so\n// that they can be chained.\n\nvar Transform = function Transform(doc) {\n // :: Node\n // The current document (the result of applying the steps in the\n // transform).\n this.doc = doc; // :: [Step]\n // The steps in this transform.\n\n this.steps = []; // :: [Node]\n // The documents before each of the steps.\n\n this.docs = []; // :: Mapping\n // A mapping with the maps for each of the steps in this transform.\n\n this.mapping = new Mapping();\n};\n\nvar prototypeAccessors = {\n before: {\n configurable: true\n },\n docChanged: {\n configurable: true\n }\n}; // :: Node The starting document.\n\nprototypeAccessors.before.get = function () {\n return this.docs.length ? this.docs[0] : this.doc;\n}; // :: (step: Step) → this\n// Apply a new step in this transform, saving the result. Throws an\n// error when the step fails.\n\n\nTransform.prototype.step = function step(object) {\n var result = this.maybeStep(object);\n\n if (result.failed) {\n throw new TransformError(result.failed);\n }\n\n return this;\n}; // :: (Step) → StepResult\n// Try to apply a step in this transformation, ignoring it if it\n// fails. Returns the step result.\n\n\nTransform.prototype.maybeStep = function maybeStep(step) {\n var result = step.apply(this.doc);\n\n if (!result.failed) {\n this.addStep(step, result.doc);\n }\n\n return result;\n}; // :: bool\n// True when the document has been changed (when there are any\n// steps).\n\n\nprototypeAccessors.docChanged.get = function () {\n return this.steps.length > 0;\n};\n\nTransform.prototype.addStep = function addStep(step, doc) {\n this.docs.push(this.doc);\n this.steps.push(step);\n this.mapping.appendMap(step.getMap());\n this.doc = doc;\n};\n\nObject.defineProperties(Transform.prototype, prototypeAccessors);\n\nfunction mustOverride() {\n throw new Error(\"Override me\");\n}\n\nvar stepsByID = Object.create(null); // ::- A step object represents an atomic change. It generally applies\n// only to the document it was created for, since the positions\n// stored in it will only make sense for that document.\n//\n// New steps are defined by creating classes that extend `Step`,\n// overriding the `apply`, `invert`, `map`, `getMap` and `fromJSON`\n// methods, and registering your class with a unique\n// JSON-serialization identifier using\n// [`Step.jsonID`](#transform.Step^jsonID).\n\nvar Step = function Step() {};\n\nStep.prototype.apply = function apply(_doc) {\n return mustOverride();\n}; // :: () → StepMap\n// Get the step map that represents the changes made by this step,\n// and which can be used to transform between positions in the old\n// and the new document.\n\n\nStep.prototype.getMap = function getMap() {\n return StepMap.empty;\n}; // :: (doc: Node) → Step\n// Create an inverted version of this step. Needs the document as it\n// was before the step as argument.\n\n\nStep.prototype.invert = function invert(_doc) {\n return mustOverride();\n}; // :: (mapping: Mappable) → ?Step\n// Map this step through a mappable thing, returning either a\n// version of that step with its positions adjusted, or `null` if\n// the step was entirely deleted by the mapping.\n\n\nStep.prototype.map = function map(_mapping) {\n return mustOverride();\n}; // :: (other: Step) → ?Step\n// Try to merge this step with another one, to be applied directly\n// after it. Returns the merged step when possible, null if the\n// steps can't be merged.\n\n\nStep.prototype.merge = function merge(_other) {\n return null;\n}; // :: () → Object\n// Create a JSON-serializeable representation of this step. When\n// defining this for a custom subclass, make sure the result object\n// includes the step type's [JSON id](#transform.Step^jsonID) under\n// the `stepType` property.\n\n\nStep.prototype.toJSON = function toJSON() {\n return mustOverride();\n}; // :: (Schema, Object) → Step\n// Deserialize a step from its JSON representation. Will call\n// through to the step class' own implementation of this method.\n\n\nStep.fromJSON = function fromJSON(schema, json) {\n if (!json || !json.stepType) {\n throw new RangeError(\"Invalid input for Step.fromJSON\");\n }\n\n var type = stepsByID[json.stepType];\n\n if (!type) {\n throw new RangeError(\"No step type \" + json.stepType + \" defined\");\n }\n\n return type.fromJSON(schema, json);\n}; // :: (string, constructor)\n// To be able to serialize steps to JSON, each step needs a string\n// ID to attach to its JSON representation. Use this method to\n// register an ID for your step classes. Try to pick something\n// that's unlikely to clash with steps from other modules.\n\n\nStep.jsonID = function jsonID(id, stepClass) {\n if (id in stepsByID) {\n throw new RangeError(\"Duplicate use of step JSON ID \" + id);\n }\n\n stepsByID[id] = stepClass;\n stepClass.prototype.jsonID = id;\n return stepClass;\n}; // ::- The result of [applying](#transform.Step.apply) a step. Contains either a\n// new document or a failure value.\n\n\nvar StepResult = function StepResult(doc, failed) {\n // :: ?Node The transformed document.\n this.doc = doc; // :: ?string Text providing information about a failed step.\n\n this.failed = failed;\n}; // :: (Node) → StepResult\n// Create a successful step result.\n\n\nStepResult.ok = function ok(doc) {\n return new StepResult(doc, null);\n}; // :: (string) → StepResult\n// Create a failed step result.\n\n\nStepResult.fail = function fail(message) {\n return new StepResult(null, message);\n}; // :: (Node, number, number, Slice) → StepResult\n// Call [`Node.replace`](#model.Node.replace) with the given\n// arguments. Create a successful result if it succeeds, and a\n// failed one if it throws a `ReplaceError`.\n\n\nStepResult.fromReplace = function fromReplace(doc, from, to, slice) {\n try {\n return StepResult.ok(doc.replace(from, to, slice));\n } catch (e) {\n if (e instanceof prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"ReplaceError\"]) {\n return StepResult.fail(e.message);\n }\n\n throw e;\n }\n}; // ::- Replace a part of the document with a slice of new content.\n\n\nvar ReplaceStep = /*@__PURE__*/function (Step) {\n function ReplaceStep(from, to, slice, structure) {\n Step.call(this);\n this.from = from;\n this.to = to;\n this.slice = slice;\n this.structure = !!structure;\n }\n\n if (Step) ReplaceStep.__proto__ = Step;\n ReplaceStep.prototype = Object.create(Step && Step.prototype);\n ReplaceStep.prototype.constructor = ReplaceStep;\n\n ReplaceStep.prototype.apply = function apply(doc) {\n if (this.structure && contentBetween(doc, this.from, this.to)) {\n return StepResult.fail(\"Structure replace would overwrite content\");\n }\n\n return StepResult.fromReplace(doc, this.from, this.to, this.slice);\n };\n\n ReplaceStep.prototype.getMap = function getMap() {\n return new StepMap([this.from, this.to - this.from, this.slice.size]);\n };\n\n ReplaceStep.prototype.invert = function invert(doc) {\n return new ReplaceStep(this.from, this.from + this.slice.size, doc.slice(this.from, this.to));\n };\n\n ReplaceStep.prototype.map = function map(mapping) {\n var from = mapping.mapResult(this.from, 1),\n to = mapping.mapResult(this.to, -1);\n\n if (from.deleted && to.deleted) {\n return null;\n }\n\n return new ReplaceStep(from.pos, Math.max(from.pos, to.pos), this.slice);\n };\n\n ReplaceStep.prototype.merge = function merge(other) {\n if (!(other instanceof ReplaceStep) || other.structure != this.structure) {\n return null;\n }\n\n if (this.from + this.slice.size == other.from && !this.slice.openEnd && !other.slice.openStart) {\n var slice = this.slice.size + other.slice.size == 0 ? prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty : new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](this.slice.content.append(other.slice.content), this.slice.openStart, other.slice.openEnd);\n return new ReplaceStep(this.from, this.to + (other.to - other.from), slice, this.structure);\n } else if (other.to == this.from && !this.slice.openStart && !other.slice.openEnd) {\n var slice$1 = this.slice.size + other.slice.size == 0 ? prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty : new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](other.slice.content.append(this.slice.content), other.slice.openStart, this.slice.openEnd);\n return new ReplaceStep(other.from, this.to, slice$1, this.structure);\n } else {\n return null;\n }\n };\n\n ReplaceStep.prototype.toJSON = function toJSON() {\n var json = {\n stepType: \"replace\",\n from: this.from,\n to: this.to\n };\n\n if (this.slice.size) {\n json.slice = this.slice.toJSON();\n }\n\n if (this.structure) {\n json.structure = true;\n }\n\n return json;\n };\n\n ReplaceStep.fromJSON = function fromJSON(schema, json) {\n if (typeof json.from != \"number\" || typeof json.to != \"number\") {\n throw new RangeError(\"Invalid input for ReplaceStep.fromJSON\");\n }\n\n return new ReplaceStep(json.from, json.to, prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].fromJSON(schema, json.slice), !!json.structure);\n };\n\n return ReplaceStep;\n}(Step);\n\nStep.jsonID(\"replace\", ReplaceStep); // ::- Replace a part of the document with a slice of content, but\n// preserve a range of the replaced content by moving it into the\n// slice.\n\nvar ReplaceAroundStep = /*@__PURE__*/function (Step) {\n function ReplaceAroundStep(from, to, gapFrom, gapTo, slice, insert, structure) {\n Step.call(this);\n this.from = from;\n this.to = to;\n this.gapFrom = gapFrom;\n this.gapTo = gapTo;\n this.slice = slice;\n this.insert = insert;\n this.structure = !!structure;\n }\n\n if (Step) ReplaceAroundStep.__proto__ = Step;\n ReplaceAroundStep.prototype = Object.create(Step && Step.prototype);\n ReplaceAroundStep.prototype.constructor = ReplaceAroundStep;\n\n ReplaceAroundStep.prototype.apply = function apply(doc) {\n if (this.structure && (contentBetween(doc, this.from, this.gapFrom) || contentBetween(doc, this.gapTo, this.to))) {\n return StepResult.fail(\"Structure gap-replace would overwrite content\");\n }\n\n var gap = doc.slice(this.gapFrom, this.gapTo);\n\n if (gap.openStart || gap.openEnd) {\n return StepResult.fail(\"Gap is not a flat range\");\n }\n\n var inserted = this.slice.insertAt(this.insert, gap.content);\n\n if (!inserted) {\n return StepResult.fail(\"Content does not fit in gap\");\n }\n\n return StepResult.fromReplace(doc, this.from, this.to, inserted);\n };\n\n ReplaceAroundStep.prototype.getMap = function getMap() {\n return new StepMap([this.from, this.gapFrom - this.from, this.insert, this.gapTo, this.to - this.gapTo, this.slice.size - this.insert]);\n };\n\n ReplaceAroundStep.prototype.invert = function invert(doc) {\n var gap = this.gapTo - this.gapFrom;\n return new ReplaceAroundStep(this.from, this.from + this.slice.size + gap, this.from + this.insert, this.from + this.insert + gap, doc.slice(this.from, this.to).removeBetween(this.gapFrom - this.from, this.gapTo - this.from), this.gapFrom - this.from, this.structure);\n };\n\n ReplaceAroundStep.prototype.map = function map(mapping) {\n var from = mapping.mapResult(this.from, 1),\n to = mapping.mapResult(this.to, -1);\n var gapFrom = mapping.map(this.gapFrom, -1),\n gapTo = mapping.map(this.gapTo, 1);\n\n if (from.deleted && to.deleted || gapFrom < from.pos || gapTo > to.pos) {\n return null;\n }\n\n return new ReplaceAroundStep(from.pos, to.pos, gapFrom, gapTo, this.slice, this.insert, this.structure);\n };\n\n ReplaceAroundStep.prototype.toJSON = function toJSON() {\n var json = {\n stepType: \"replaceAround\",\n from: this.from,\n to: this.to,\n gapFrom: this.gapFrom,\n gapTo: this.gapTo,\n insert: this.insert\n };\n\n if (this.slice.size) {\n json.slice = this.slice.toJSON();\n }\n\n if (this.structure) {\n json.structure = true;\n }\n\n return json;\n };\n\n ReplaceAroundStep.fromJSON = function fromJSON(schema, json) {\n if (typeof json.from != \"number\" || typeof json.to != \"number\" || typeof json.gapFrom != \"number\" || typeof json.gapTo != \"number\" || typeof json.insert != \"number\") {\n throw new RangeError(\"Invalid input for ReplaceAroundStep.fromJSON\");\n }\n\n return new ReplaceAroundStep(json.from, json.to, json.gapFrom, json.gapTo, prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].fromJSON(schema, json.slice), json.insert, !!json.structure);\n };\n\n return ReplaceAroundStep;\n}(Step);\n\nStep.jsonID(\"replaceAround\", ReplaceAroundStep);\n\nfunction contentBetween(doc, from, to) {\n var $from = doc.resolve(from),\n dist = to - from,\n depth = $from.depth;\n\n while (dist > 0 && depth > 0 && $from.indexAfter(depth) == $from.node(depth).childCount) {\n depth--;\n dist--;\n }\n\n if (dist > 0) {\n var next = $from.node(depth).maybeChild($from.indexAfter(depth));\n\n while (dist > 0) {\n if (!next || next.isLeaf) {\n return true;\n }\n\n next = next.firstChild;\n dist--;\n }\n }\n\n return false;\n}\n\nfunction canCut(node, start, end) {\n return (start == 0 || node.canReplace(start, node.childCount)) && (end == node.childCount || node.canReplace(0, end));\n} // :: (NodeRange) → ?number\n// Try to find a target depth to which the content in the given range\n// can be lifted. Will not go across\n// [isolating](#model.NodeSpec.isolating) parent nodes.\n\n\nfunction liftTarget(range) {\n var parent = range.parent;\n var content = parent.content.cutByIndex(range.startIndex, range.endIndex);\n\n for (var depth = range.depth;; --depth) {\n var node = range.$from.node(depth);\n var index = range.$from.index(depth),\n endIndex = range.$to.indexAfter(depth);\n\n if (depth < range.depth && node.canReplace(index, endIndex, content)) {\n return depth;\n }\n\n if (depth == 0 || node.type.spec.isolating || !canCut(node, index, endIndex)) {\n break;\n }\n }\n} // :: (NodeRange, number) → this\n// Split the content in the given range off from its parent, if there\n// is sibling content before or after it, and move it up the tree to\n// the depth specified by `target`. You'll probably want to use\n// [`liftTarget`](#transform.liftTarget) to compute `target`, to make\n// sure the lift is valid.\n\n\nTransform.prototype.lift = function (range, target) {\n var $from = range.$from;\n var $to = range.$to;\n var depth = range.depth;\n var gapStart = $from.before(depth + 1),\n gapEnd = $to.after(depth + 1);\n var start = gapStart,\n end = gapEnd;\n var before = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty,\n openStart = 0;\n\n for (var d = depth, splitting = false; d > target; d--) {\n if (splitting || $from.index(d) > 0) {\n splitting = true;\n before = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from($from.node(d).copy(before));\n openStart++;\n } else {\n start--;\n }\n }\n\n var after = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty,\n openEnd = 0;\n\n for (var d$1 = depth, splitting$1 = false; d$1 > target; d$1--) {\n if (splitting$1 || $to.after(d$1 + 1) < $to.end(d$1)) {\n splitting$1 = true;\n after = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from($to.node(d$1).copy(after));\n openEnd++;\n } else {\n end++;\n }\n }\n\n return this.step(new ReplaceAroundStep(start, end, gapStart, gapEnd, new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](before.append(after), openStart, openEnd), before.size - openStart, true));\n}; // :: (NodeRange, NodeType, ?Object, ?NodeRange) → ?[{type: NodeType, attrs: ?Object}]\n// Try to find a valid way to wrap the content in the given range in a\n// node of the given type. May introduce extra nodes around and inside\n// the wrapper node, if necessary. Returns null if no valid wrapping\n// could be found. When `innerRange` is given, that range's content is\n// used as the content to fit into the wrapping, instead of the\n// content of `range`.\n\n\nfunction findWrapping(range, nodeType, attrs, innerRange) {\n if (innerRange === void 0) innerRange = range;\n var around = findWrappingOutside(range, nodeType);\n var inner = around && findWrappingInside(innerRange, nodeType);\n\n if (!inner) {\n return null;\n }\n\n return around.map(withAttrs).concat({\n type: nodeType,\n attrs: attrs\n }).concat(inner.map(withAttrs));\n}\n\nfunction withAttrs(type) {\n return {\n type: type,\n attrs: null\n };\n}\n\nfunction findWrappingOutside(range, type) {\n var parent = range.parent;\n var startIndex = range.startIndex;\n var endIndex = range.endIndex;\n var around = parent.contentMatchAt(startIndex).findWrapping(type);\n\n if (!around) {\n return null;\n }\n\n var outer = around.length ? around[0] : type;\n return parent.canReplaceWith(startIndex, endIndex, outer) ? around : null;\n}\n\nfunction findWrappingInside(range, type) {\n var parent = range.parent;\n var startIndex = range.startIndex;\n var endIndex = range.endIndex;\n var inner = parent.child(startIndex);\n var inside = type.contentMatch.findWrapping(inner.type);\n\n if (!inside) {\n return null;\n }\n\n var lastType = inside.length ? inside[inside.length - 1] : type;\n var innerMatch = lastType.contentMatch;\n\n for (var i = startIndex; innerMatch && i < endIndex; i++) {\n innerMatch = innerMatch.matchType(parent.child(i).type);\n }\n\n if (!innerMatch || !innerMatch.validEnd) {\n return null;\n }\n\n return inside;\n} // :: (NodeRange, [{type: NodeType, attrs: ?Object}]) → this\n// Wrap the given [range](#model.NodeRange) in the given set of wrappers.\n// The wrappers are assumed to be valid in this position, and should\n// probably be computed with [`findWrapping`](#transform.findWrapping).\n\n\nTransform.prototype.wrap = function (range, wrappers) {\n var content = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty;\n\n for (var i = wrappers.length - 1; i >= 0; i--) {\n content = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from(wrappers[i].type.create(wrappers[i].attrs, content));\n }\n\n var start = range.start,\n end = range.end;\n return this.step(new ReplaceAroundStep(start, end, start, end, new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](content, 0, 0), wrappers.length, true));\n}; // :: (number, ?number, NodeType, ?Object) → this\n// Set the type of all textblocks (partly) between `from` and `to` to\n// the given node type with the given attributes.\n\n\nTransform.prototype.setBlockType = function (from, to, type, attrs) {\n var this$1 = this;\n if (to === void 0) to = from;\n\n if (!type.isTextblock) {\n throw new RangeError(\"Type given to setBlockType should be a textblock\");\n }\n\n var mapFrom = this.steps.length;\n this.doc.nodesBetween(from, to, function (node, pos) {\n if (node.isTextblock && !node.hasMarkup(type, attrs) && canChangeType(this$1.doc, this$1.mapping.slice(mapFrom).map(pos), type)) {\n // Ensure all markup that isn't allowed in the new node type is cleared\n this$1.clearIncompatible(this$1.mapping.slice(mapFrom).map(pos, 1), type);\n var mapping = this$1.mapping.slice(mapFrom);\n var startM = mapping.map(pos, 1),\n endM = mapping.map(pos + node.nodeSize, 1);\n this$1.step(new ReplaceAroundStep(startM, endM, startM + 1, endM - 1, new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from(type.create(attrs, null, node.marks)), 0, 0), 1, true));\n return false;\n }\n });\n return this;\n};\n\nfunction canChangeType(doc, pos, type) {\n var $pos = doc.resolve(pos),\n index = $pos.index();\n return $pos.parent.canReplaceWith(index, index + 1, type);\n} // :: (number, ?NodeType, ?Object, ?[Mark]) → this\n// Change the type, attributes, and/or marks of the node at `pos`.\n// When `type` isn't given, the existing node type is preserved,\n\n\nTransform.prototype.setNodeMarkup = function (pos, type, attrs, marks) {\n var node = this.doc.nodeAt(pos);\n\n if (!node) {\n throw new RangeError(\"No node at given position\");\n }\n\n if (!type) {\n type = node.type;\n }\n\n var newNode = type.create(attrs, null, marks || node.marks);\n\n if (node.isLeaf) {\n return this.replaceWith(pos, pos + node.nodeSize, newNode);\n }\n\n if (!type.validContent(node.content)) {\n throw new RangeError(\"Invalid content for node type \" + type.name);\n }\n\n return this.step(new ReplaceAroundStep(pos, pos + node.nodeSize, pos + 1, pos + node.nodeSize - 1, new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from(newNode), 0, 0), 1, true));\n}; // :: (Node, number, number, ?[?{type: NodeType, attrs: ?Object}]) → bool\n// Check whether splitting at the given position is allowed.\n\n\nfunction canSplit(doc, pos, depth, typesAfter) {\n if (depth === void 0) depth = 1;\n var $pos = doc.resolve(pos),\n base = $pos.depth - depth;\n var innerType = typesAfter && typesAfter[typesAfter.length - 1] || $pos.parent;\n\n if (base < 0 || $pos.parent.type.spec.isolating || !$pos.parent.canReplace($pos.index(), $pos.parent.childCount) || !innerType.type.validContent($pos.parent.content.cutByIndex($pos.index(), $pos.parent.childCount))) {\n return false;\n }\n\n for (var d = $pos.depth - 1, i = depth - 2; d > base; d--, i--) {\n var node = $pos.node(d),\n index$1 = $pos.index(d);\n\n if (node.type.spec.isolating) {\n return false;\n }\n\n var rest = node.content.cutByIndex(index$1, node.childCount);\n var after = typesAfter && typesAfter[i] || node;\n\n if (after != node) {\n rest = rest.replaceChild(0, after.type.create(after.attrs));\n }\n\n if (!node.canReplace(index$1 + 1, node.childCount) || !after.type.validContent(rest)) {\n return false;\n }\n }\n\n var index = $pos.indexAfter(base);\n var baseType = typesAfter && typesAfter[0];\n return $pos.node(base).canReplaceWith(index, index, baseType ? baseType.type : $pos.node(base + 1).type);\n} // :: (number, ?number, ?[?{type: NodeType, attrs: ?Object}]) → this\n// Split the node at the given position, and optionally, if `depth` is\n// greater than one, any number of nodes above that. By default, the\n// parts split off will inherit the node type of the original node.\n// This can be changed by passing an array of types and attributes to\n// use after the split.\n\n\nTransform.prototype.split = function (pos, depth, typesAfter) {\n if (depth === void 0) depth = 1;\n var $pos = this.doc.resolve(pos),\n before = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty,\n after = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty;\n\n for (var d = $pos.depth, e = $pos.depth - depth, i = depth - 1; d > e; d--, i--) {\n before = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from($pos.node(d).copy(before));\n var typeAfter = typesAfter && typesAfter[i];\n after = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from(typeAfter ? typeAfter.type.create(typeAfter.attrs, after) : $pos.node(d).copy(after));\n }\n\n return this.step(new ReplaceStep(pos, pos, new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](before.append(after), depth, depth), true));\n}; // :: (Node, number) → bool\n// Test whether the blocks before and after a given position can be\n// joined.\n\n\nfunction canJoin(doc, pos) {\n var $pos = doc.resolve(pos),\n index = $pos.index();\n return joinable($pos.nodeBefore, $pos.nodeAfter) && $pos.parent.canReplace(index, index + 1);\n}\n\nfunction joinable(a, b) {\n return a && b && !a.isLeaf && a.canAppend(b);\n} // :: (Node, number, ?number) → ?number\n// Find an ancestor of the given position that can be joined to the\n// block before (or after if `dir` is positive). Returns the joinable\n// point, if any.\n\n\nfunction joinPoint(doc, pos, dir) {\n if (dir === void 0) dir = -1;\n var $pos = doc.resolve(pos);\n\n for (var d = $pos.depth;; d--) {\n var before = void 0,\n after = void 0,\n index = $pos.index(d);\n\n if (d == $pos.depth) {\n before = $pos.nodeBefore;\n after = $pos.nodeAfter;\n } else if (dir > 0) {\n before = $pos.node(d + 1);\n index++;\n after = $pos.node(d).maybeChild(index);\n } else {\n before = $pos.node(d).maybeChild(index - 1);\n after = $pos.node(d + 1);\n }\n\n if (before && !before.isTextblock && joinable(before, after) && $pos.node(d).canReplace(index, index + 1)) {\n return pos;\n }\n\n if (d == 0) {\n break;\n }\n\n pos = dir < 0 ? $pos.before(d) : $pos.after(d);\n }\n} // :: (number, ?number) → this\n// Join the blocks around the given position. If depth is 2, their\n// last and first siblings are also joined, and so on.\n\n\nTransform.prototype.join = function (pos, depth) {\n if (depth === void 0) depth = 1;\n var step = new ReplaceStep(pos - depth, pos + depth, prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty, true);\n return this.step(step);\n}; // :: (Node, number, NodeType) → ?number\n// Try to find a point where a node of the given type can be inserted\n// near `pos`, by searching up the node hierarchy when `pos` itself\n// isn't a valid place but is at the start or end of a node. Return\n// null if no position was found.\n\n\nfunction insertPoint(doc, pos, nodeType) {\n var $pos = doc.resolve(pos);\n\n if ($pos.parent.canReplaceWith($pos.index(), $pos.index(), nodeType)) {\n return pos;\n }\n\n if ($pos.parentOffset == 0) {\n for (var d = $pos.depth - 1; d >= 0; d--) {\n var index = $pos.index(d);\n\n if ($pos.node(d).canReplaceWith(index, index, nodeType)) {\n return $pos.before(d + 1);\n }\n\n if (index > 0) {\n return null;\n }\n }\n }\n\n if ($pos.parentOffset == $pos.parent.content.size) {\n for (var d$1 = $pos.depth - 1; d$1 >= 0; d$1--) {\n var index$1 = $pos.indexAfter(d$1);\n\n if ($pos.node(d$1).canReplaceWith(index$1, index$1, nodeType)) {\n return $pos.after(d$1 + 1);\n }\n\n if (index$1 < $pos.node(d$1).childCount) {\n return null;\n }\n }\n }\n} // :: (Node, number, Slice) → ?number\n// Finds a position at or around the given position where the given\n// slice can be inserted. Will look at parent nodes' nearest boundary\n// and try there, even if the original position wasn't directly at the\n// start or end of that node. Returns null when no position was found.\n\n\nfunction dropPoint(doc, pos, slice) {\n var $pos = doc.resolve(pos);\n\n if (!slice.content.size) {\n return pos;\n }\n\n var content = slice.content;\n\n for (var i = 0; i < slice.openStart; i++) {\n content = content.firstChild.content;\n }\n\n for (var pass = 1; pass <= (slice.openStart == 0 && slice.size ? 2 : 1); pass++) {\n for (var d = $pos.depth; d >= 0; d--) {\n var bias = d == $pos.depth ? 0 : $pos.pos <= ($pos.start(d + 1) + $pos.end(d + 1)) / 2 ? -1 : 1;\n var insertPos = $pos.index(d) + (bias > 0 ? 1 : 0);\n\n if (pass == 1 ? $pos.node(d).canReplace(insertPos, insertPos, content) : $pos.node(d).contentMatchAt(insertPos).findWrapping(content.firstChild.type)) {\n return bias == 0 ? $pos.pos : bias < 0 ? $pos.before(d + 1) : $pos.after(d + 1);\n }\n }\n }\n\n return null;\n}\n\nfunction mapFragment(fragment, f, parent) {\n var mapped = [];\n\n for (var i = 0; i < fragment.childCount; i++) {\n var child = fragment.child(i);\n\n if (child.content.size) {\n child = child.copy(mapFragment(child.content, f, child));\n }\n\n if (child.isInline) {\n child = f(child, parent, i);\n }\n\n mapped.push(child);\n }\n\n return prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].fromArray(mapped);\n} // ::- Add a mark to all inline content between two positions.\n\n\nvar AddMarkStep = /*@__PURE__*/function (Step) {\n function AddMarkStep(from, to, mark) {\n Step.call(this);\n this.from = from;\n this.to = to;\n this.mark = mark;\n }\n\n if (Step) AddMarkStep.__proto__ = Step;\n AddMarkStep.prototype = Object.create(Step && Step.prototype);\n AddMarkStep.prototype.constructor = AddMarkStep;\n\n AddMarkStep.prototype.apply = function apply(doc) {\n var this$1 = this;\n var oldSlice = doc.slice(this.from, this.to),\n $from = doc.resolve(this.from);\n var parent = $from.node($from.sharedDepth(this.to));\n var slice = new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](mapFragment(oldSlice.content, function (node, parent) {\n if (!parent.type.allowsMarkType(this$1.mark.type)) {\n return node;\n }\n\n return node.mark(this$1.mark.addToSet(node.marks));\n }, parent), oldSlice.openStart, oldSlice.openEnd);\n return StepResult.fromReplace(doc, this.from, this.to, slice);\n };\n\n AddMarkStep.prototype.invert = function invert() {\n return new RemoveMarkStep(this.from, this.to, this.mark);\n };\n\n AddMarkStep.prototype.map = function map(mapping) {\n var from = mapping.mapResult(this.from, 1),\n to = mapping.mapResult(this.to, -1);\n\n if (from.deleted && to.deleted || from.pos >= to.pos) {\n return null;\n }\n\n return new AddMarkStep(from.pos, to.pos, this.mark);\n };\n\n AddMarkStep.prototype.merge = function merge(other) {\n if (other instanceof AddMarkStep && other.mark.eq(this.mark) && this.from <= other.to && this.to >= other.from) {\n return new AddMarkStep(Math.min(this.from, other.from), Math.max(this.to, other.to), this.mark);\n }\n };\n\n AddMarkStep.prototype.toJSON = function toJSON() {\n return {\n stepType: \"addMark\",\n mark: this.mark.toJSON(),\n from: this.from,\n to: this.to\n };\n };\n\n AddMarkStep.fromJSON = function fromJSON(schema, json) {\n if (typeof json.from != \"number\" || typeof json.to != \"number\") {\n throw new RangeError(\"Invalid input for AddMarkStep.fromJSON\");\n }\n\n return new AddMarkStep(json.from, json.to, schema.markFromJSON(json.mark));\n };\n\n return AddMarkStep;\n}(Step);\n\nStep.jsonID(\"addMark\", AddMarkStep); // ::- Remove a mark from all inline content between two positions.\n\nvar RemoveMarkStep = /*@__PURE__*/function (Step) {\n function RemoveMarkStep(from, to, mark) {\n Step.call(this);\n this.from = from;\n this.to = to;\n this.mark = mark;\n }\n\n if (Step) RemoveMarkStep.__proto__ = Step;\n RemoveMarkStep.prototype = Object.create(Step && Step.prototype);\n RemoveMarkStep.prototype.constructor = RemoveMarkStep;\n\n RemoveMarkStep.prototype.apply = function apply(doc) {\n var this$1 = this;\n var oldSlice = doc.slice(this.from, this.to);\n var slice = new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](mapFragment(oldSlice.content, function (node) {\n return node.mark(this$1.mark.removeFromSet(node.marks));\n }), oldSlice.openStart, oldSlice.openEnd);\n return StepResult.fromReplace(doc, this.from, this.to, slice);\n };\n\n RemoveMarkStep.prototype.invert = function invert() {\n return new AddMarkStep(this.from, this.to, this.mark);\n };\n\n RemoveMarkStep.prototype.map = function map(mapping) {\n var from = mapping.mapResult(this.from, 1),\n to = mapping.mapResult(this.to, -1);\n\n if (from.deleted && to.deleted || from.pos >= to.pos) {\n return null;\n }\n\n return new RemoveMarkStep(from.pos, to.pos, this.mark);\n };\n\n RemoveMarkStep.prototype.merge = function merge(other) {\n if (other instanceof RemoveMarkStep && other.mark.eq(this.mark) && this.from <= other.to && this.to >= other.from) {\n return new RemoveMarkStep(Math.min(this.from, other.from), Math.max(this.to, other.to), this.mark);\n }\n };\n\n RemoveMarkStep.prototype.toJSON = function toJSON() {\n return {\n stepType: \"removeMark\",\n mark: this.mark.toJSON(),\n from: this.from,\n to: this.to\n };\n };\n\n RemoveMarkStep.fromJSON = function fromJSON(schema, json) {\n if (typeof json.from != \"number\" || typeof json.to != \"number\") {\n throw new RangeError(\"Invalid input for RemoveMarkStep.fromJSON\");\n }\n\n return new RemoveMarkStep(json.from, json.to, schema.markFromJSON(json.mark));\n };\n\n return RemoveMarkStep;\n}(Step);\n\nStep.jsonID(\"removeMark\", RemoveMarkStep); // :: (number, number, Mark) → this\n// Add the given mark to the inline content between `from` and `to`.\n\nTransform.prototype.addMark = function (from, to, mark) {\n var this$1 = this;\n var removed = [],\n added = [],\n removing = null,\n adding = null;\n this.doc.nodesBetween(from, to, function (node, pos, parent) {\n if (!node.isInline) {\n return;\n }\n\n var marks = node.marks;\n\n if (!mark.isInSet(marks) && parent.type.allowsMarkType(mark.type)) {\n var start = Math.max(pos, from),\n end = Math.min(pos + node.nodeSize, to);\n var newSet = mark.addToSet(marks);\n\n for (var i = 0; i < marks.length; i++) {\n if (!marks[i].isInSet(newSet)) {\n if (removing && removing.to == start && removing.mark.eq(marks[i])) {\n removing.to = end;\n } else {\n removed.push(removing = new RemoveMarkStep(start, end, marks[i]));\n }\n }\n }\n\n if (adding && adding.to == start) {\n adding.to = end;\n } else {\n added.push(adding = new AddMarkStep(start, end, mark));\n }\n }\n });\n removed.forEach(function (s) {\n return this$1.step(s);\n });\n added.forEach(function (s) {\n return this$1.step(s);\n });\n return this;\n}; // :: (number, number, ?union) → this\n// Remove marks from inline nodes between `from` and `to`. When `mark`\n// is a single mark, remove precisely that mark. When it is a mark type,\n// remove all marks of that type. When it is null, remove all marks of\n// any type.\n\n\nTransform.prototype.removeMark = function (from, to, mark) {\n var this$1 = this;\n if (mark === void 0) mark = null;\n var matched = [],\n step = 0;\n this.doc.nodesBetween(from, to, function (node, pos) {\n if (!node.isInline) {\n return;\n }\n\n step++;\n var toRemove = null;\n\n if (mark instanceof prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"MarkType\"]) {\n var found = mark.isInSet(node.marks);\n\n if (found) {\n toRemove = [found];\n }\n } else if (mark) {\n if (mark.isInSet(node.marks)) {\n toRemove = [mark];\n }\n } else {\n toRemove = node.marks;\n }\n\n if (toRemove && toRemove.length) {\n var end = Math.min(pos + node.nodeSize, to);\n\n for (var i = 0; i < toRemove.length; i++) {\n var style = toRemove[i],\n found$1 = void 0;\n\n for (var j = 0; j < matched.length; j++) {\n var m = matched[j];\n\n if (m.step == step - 1 && style.eq(matched[j].style)) {\n found$1 = m;\n }\n }\n\n if (found$1) {\n found$1.to = end;\n found$1.step = step;\n } else {\n matched.push({\n style: style,\n from: Math.max(pos, from),\n to: end,\n step: step\n });\n }\n }\n }\n });\n matched.forEach(function (m) {\n return this$1.step(new RemoveMarkStep(m.from, m.to, m.style));\n });\n return this;\n}; // :: (number, NodeType, ?ContentMatch) → this\n// Removes all marks and nodes from the content of the node at `pos`\n// that don't match the given new parent node type. Accepts an\n// optional starting [content match](#model.ContentMatch) as third\n// argument.\n\n\nTransform.prototype.clearIncompatible = function (pos, parentType, match) {\n if (match === void 0) match = parentType.contentMatch;\n var node = this.doc.nodeAt(pos);\n var delSteps = [],\n cur = pos + 1;\n\n for (var i = 0; i < node.childCount; i++) {\n var child = node.child(i),\n end = cur + child.nodeSize;\n var allowed = match.matchType(child.type, child.attrs);\n\n if (!allowed) {\n delSteps.push(new ReplaceStep(cur, end, prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty));\n } else {\n match = allowed;\n\n for (var j = 0; j < child.marks.length; j++) {\n if (!parentType.allowsMarkType(child.marks[j].type)) {\n this.step(new RemoveMarkStep(cur, end, child.marks[j]));\n }\n }\n }\n\n cur = end;\n }\n\n if (!match.validEnd) {\n var fill = match.fillBefore(prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty, true);\n this.replace(cur, cur, new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](fill, 0, 0));\n }\n\n for (var i$1 = delSteps.length - 1; i$1 >= 0; i$1--) {\n this.step(delSteps[i$1]);\n }\n\n return this;\n}; // :: (Node, number, ?number, ?Slice) → ?Step\n// ‘Fit’ a slice into a given position in the document, producing a\n// [step](#transform.Step) that inserts it. Will return null if\n// there's no meaningful way to insert the slice here, or inserting it\n// would be a no-op (an empty slice over an empty range).\n\n\nfunction replaceStep(doc, from, to, slice) {\n if (to === void 0) to = from;\n if (slice === void 0) slice = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty;\n\n if (from == to && !slice.size) {\n return null;\n }\n\n var $from = doc.resolve(from),\n $to = doc.resolve(to); // Optimization -- avoid work if it's obvious that it's not needed.\n\n if (fitsTrivially($from, $to, slice)) {\n return new ReplaceStep(from, to, slice);\n }\n\n var placed = placeSlice($from, slice);\n var fittedLeft = fitLeft($from, placed);\n var fitted = fitRight($from, $to, fittedLeft);\n\n if (!fitted) {\n return null;\n }\n\n if (fittedLeft.size != fitted.size && canMoveText($from, $to, fittedLeft)) {\n var d = $to.depth,\n after = $to.after(d);\n\n while (d > 1 && after == $to.end(--d)) {\n ++after;\n }\n\n var fittedAfter = fitRight($from, doc.resolve(after), fittedLeft);\n\n if (fittedAfter) {\n return new ReplaceAroundStep(from, after, to, $to.end(), fittedAfter, fittedLeft.size);\n }\n }\n\n return fitted.size || from != to ? new ReplaceStep(from, to, fitted) : null;\n} // :: (number, ?number, ?Slice) → this\n// Replace the part of the document between `from` and `to` with the\n// given `slice`.\n\n\nTransform.prototype.replace = function (from, to, slice) {\n if (to === void 0) to = from;\n if (slice === void 0) slice = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty;\n var step = replaceStep(this.doc, from, to, slice);\n\n if (step) {\n this.step(step);\n }\n\n return this;\n}; // :: (number, number, union) → this\n// Replace the given range with the given content, which may be a\n// fragment, node, or array of nodes.\n\n\nTransform.prototype.replaceWith = function (from, to, content) {\n return this.replace(from, to, new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from(content), 0, 0));\n}; // :: (number, number) → this\n// Delete the content between the given positions.\n\n\nTransform.prototype[\"delete\"] = function (from, to) {\n return this.replace(from, to, prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"].empty);\n}; // :: (number, union) → this\n// Insert the given content at the given position.\n\n\nTransform.prototype.insert = function (pos, content) {\n return this.replaceWith(pos, pos, content);\n};\n\nfunction fitLeftInner($from, depth, placed, placedBelow) {\n var content = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty,\n openEnd = 0,\n placedHere = placed[depth];\n\n if ($from.depth > depth) {\n var inner = fitLeftInner($from, depth + 1, placed, placedBelow || placedHere);\n openEnd = inner.openEnd + 1;\n content = prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from($from.node(depth + 1).copy(inner.content));\n }\n\n if (placedHere) {\n content = content.append(placedHere.content);\n openEnd = placedHere.openEnd;\n }\n\n if (placedBelow) {\n content = content.append($from.node(depth).contentMatchAt($from.indexAfter(depth)).fillBefore(prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty, true));\n openEnd = 0;\n }\n\n return {\n content: content,\n openEnd: openEnd\n };\n}\n\nfunction fitLeft($from, placed) {\n var ref = fitLeftInner($from, 0, placed, false);\n var content = ref.content;\n var openEnd = ref.openEnd;\n return new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](content, $from.depth, openEnd || 0);\n}\n\nfunction fitRightJoin(content, parent, $from, $to, depth, openStart, openEnd) {\n var match,\n count = content.childCount,\n matchCount = count - (openEnd > 0 ? 1 : 0);\n var parentNode = openStart < 0 ? parent : $from.node(depth);\n\n if (openStart < 0) {\n match = parentNode.contentMatchAt(matchCount);\n } else if (count == 1 && openEnd > 0) {\n match = parentNode.contentMatchAt(openStart ? $from.index(depth) : $from.indexAfter(depth));\n } else {\n match = parentNode.contentMatchAt($from.indexAfter(depth)).matchFragment(content, count > 0 && openStart ? 1 : 0, matchCount);\n }\n\n var toNode = $to.node(depth);\n\n if (openEnd > 0 && depth < $to.depth) {\n var after = toNode.content.cutByIndex($to.indexAfter(depth)).addToStart(content.lastChild);\n var joinable$1 = match.fillBefore(after, true); // Can't insert content if there's a single node stretched across this gap\n\n if (joinable$1 && joinable$1.size && openStart > 0 && count == 1) {\n joinable$1 = null;\n }\n\n if (joinable$1) {\n var inner = fitRightJoin(content.lastChild.content, content.lastChild, $from, $to, depth + 1, count == 1 ? openStart - 1 : -1, openEnd - 1);\n\n if (inner) {\n var last = content.lastChild.copy(inner);\n\n if (joinable$1.size) {\n return content.cutByIndex(0, count - 1).append(joinable$1).addToEnd(last);\n } else {\n return content.replaceChild(count - 1, last);\n }\n }\n }\n }\n\n if (openEnd > 0) {\n match = match.matchType((count == 1 && openStart > 0 ? $from.node(depth + 1) : content.lastChild).type);\n } // If we're here, the next level can't be joined, so we see what\n // happens if we leave it open.\n\n\n var toIndex = $to.index(depth);\n\n if (toIndex == toNode.childCount && !toNode.type.compatibleContent(parent.type)) {\n return null;\n }\n\n var joinable = match.fillBefore(toNode.content, true, toIndex);\n\n for (var i = toIndex; joinable && i < toNode.content.childCount; i++) {\n if (!parentNode.type.allowsMarks(toNode.content.child(i).marks)) {\n joinable = null;\n }\n }\n\n if (!joinable) {\n return null;\n }\n\n if (openEnd > 0) {\n var closed = fitRightClosed(content.lastChild, openEnd - 1, $from, depth + 1, count == 1 ? openStart - 1 : -1);\n content = content.replaceChild(count - 1, closed);\n }\n\n content = content.append(joinable);\n\n if ($to.depth > depth) {\n content = content.addToEnd(fitRightSeparate($to, depth + 1));\n }\n\n return content;\n}\n\nfunction fitRightClosed(node, openEnd, $from, depth, openStart) {\n var match,\n content = node.content,\n count = content.childCount;\n\n if (openStart >= 0) {\n match = $from.node(depth).contentMatchAt($from.indexAfter(depth)).matchFragment(content, openStart > 0 ? 1 : 0, count);\n } else {\n match = node.contentMatchAt(count);\n }\n\n if (openEnd > 0) {\n var closed = fitRightClosed(content.lastChild, openEnd - 1, $from, depth + 1, count == 1 ? openStart - 1 : -1);\n content = content.replaceChild(count - 1, closed);\n }\n\n return node.copy(content.append(match.fillBefore(prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty, true)));\n}\n\nfunction fitRightSeparate($to, depth) {\n var node = $to.node(depth);\n var fill = node.contentMatchAt(0).fillBefore(node.content, true, $to.index(depth));\n\n if ($to.depth > depth) {\n fill = fill.addToEnd(fitRightSeparate($to, depth + 1));\n }\n\n return node.copy(fill);\n}\n\nfunction normalizeSlice(content, openStart, openEnd) {\n while (openStart > 0 && openEnd > 0 && content.childCount == 1) {\n content = content.firstChild.content;\n openStart--;\n openEnd--;\n }\n\n return new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](content, openStart, openEnd);\n} // : (ResolvedPos, ResolvedPos, number, Slice) → Slice\n\n\nfunction fitRight($from, $to, slice) {\n var fitted = fitRightJoin(slice.content, $from.node(0), $from, $to, 0, slice.openStart, slice.openEnd);\n\n if (!fitted) {\n return null;\n }\n\n return normalizeSlice(fitted, slice.openStart, $to.depth);\n}\n\nfunction fitsTrivially($from, $to, slice) {\n return !slice.openStart && !slice.openEnd && $from.start() == $to.start() && $from.parent.canReplace($from.index(), $to.index(), slice.content);\n}\n\nfunction canMoveText($from, $to, slice) {\n if (!$to.parent.isTextblock) {\n return false;\n }\n\n var parent = slice.openEnd ? nodeRight(slice.content, slice.openEnd) : $from.node($from.depth - (slice.openStart - slice.openEnd));\n\n if (!parent.isTextblock) {\n return false;\n }\n\n for (var i = $to.index(); i < $to.parent.childCount; i++) {\n if (!parent.type.allowsMarks($to.parent.child(i).marks)) {\n return false;\n }\n }\n\n var match;\n\n if (slice.openEnd) {\n match = parent.contentMatchAt(parent.childCount);\n } else {\n match = parent.contentMatchAt(parent.childCount);\n\n if (slice.size) {\n match = match.matchFragment(slice.content, slice.openStart ? 1 : 0);\n }\n }\n\n match = match.matchFragment($to.parent.content, $to.index());\n return match && match.validEnd;\n}\n\nfunction nodeRight(content, depth) {\n for (var i = 1; i < depth; i++) {\n content = content.lastChild.content;\n }\n\n return content.lastChild;\n} // Algorithm for 'placing' the elements of a slice into a gap:\n//\n// We consider the content of each node that is open to the left to be\n// independently placeable. I.e. in , when the\n// paragraph on the left is open, \"foo\" can be placed (somewhere on\n// the left side of the replacement gap) independently from p(\"bar\").\n//\n// So placeSlice splits up a slice into a number of sub-slices,\n// along with information on where they can be placed on the given\n// left-side edge. It works by walking the open side of the slice,\n// from the inside out, and trying to find a landing spot for each\n// element, by simultaneously scanning over the gap side. When no\n// place is found for an open node's content, it is left in that node.\n// : (ResolvedPos, Slice) → [{content: Fragment, openEnd: number, depth: number}]\n\n\nfunction placeSlice($from, slice) {\n var frontier = new Frontier($from);\n\n for (var pass = 1; slice.size && pass <= 3; pass++) {\n var value = frontier.placeSlice(slice.content, slice.openStart, slice.openEnd, pass);\n\n if (pass == 3 && value != slice && value.size) {\n pass = 0;\n } // Restart if the 3rd pass made progress but left content\n\n\n slice = value;\n }\n\n while (frontier.open.length) {\n frontier.closeNode();\n }\n\n return frontier.placed;\n} // Helper class that models the open side of the insert position,\n// keeping track of the content match and already inserted content\n// at each depth.\n\n\nvar Frontier = function Frontier($pos) {\n // : [{parent: Node, match: ContentMatch, content: Fragment, wrapper: bool, openEnd: number, depth: number}]\n this.open = [];\n\n for (var d = 0; d <= $pos.depth; d++) {\n var parent = $pos.node(d),\n match = parent.contentMatchAt($pos.indexAfter(d));\n this.open.push({\n parent: parent,\n match: match,\n content: prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty,\n wrapper: false,\n openEnd: 0,\n depth: d\n });\n }\n\n this.placed = [];\n}; // : (Fragment, number, number, number, ?Node) → Slice\n// Tries to place the content of the given slice, and returns a\n// slice containing unplaced content.\n//\n// pass 1: try to fit directly\n// pass 2: allow wrapper nodes to be introduced\n// pass 3: allow unwrapping of nodes that aren't open\n\n\nFrontier.prototype.placeSlice = function placeSlice(fragment, openStart, openEnd, pass, parent) {\n if (openStart > 0) {\n var first = fragment.firstChild;\n var inner = this.placeSlice(first.content, Math.max(0, openStart - 1), openEnd && fragment.childCount == 1 ? openEnd - 1 : 0, pass, first);\n\n if (inner.content != first.content) {\n if (inner.content.size) {\n fragment = fragment.replaceChild(0, first.copy(inner.content));\n openStart = inner.openStart + 1;\n } else {\n if (fragment.childCount == 1) {\n openEnd = 0;\n }\n\n fragment = fragment.cutByIndex(1);\n openStart = 0;\n }\n }\n }\n\n var result = this.placeContent(fragment, openStart, openEnd, pass, parent);\n\n if (pass > 2 && result.size && openStart == 0) {\n var child = result.content.firstChild,\n single = result.content.childCount == 1;\n this.placeContent(child.content, 0, openEnd && single ? openEnd - 1 : 0, pass, child);\n result = single ? prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty : new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](result.content.cutByIndex(1), 0, openEnd);\n }\n\n return result;\n};\n\nFrontier.prototype.placeContent = function placeContent(fragment, openStart, openEnd, pass, parent) {\n var i = 0; // Go over the fragment's children\n\n for (; i < fragment.childCount; i++) {\n var child = fragment.child(i),\n placed = false,\n last = i == fragment.childCount - 1; // Try each open node in turn, starting from the innermost\n\n for (var d = this.open.length - 1; d >= 0; d--) {\n var open = this.open[d],\n wrap = void 0; // If pass > 1, it is allowed to wrap the node to help find a\n // fit, so if findWrapping returns something, we add open\n // nodes to the frontier for that wrapping.\n\n if (pass > 1 && (wrap = open.match.findWrapping(child.type)) && !(parent && wrap.length && wrap[wrap.length - 1] == parent.type)) {\n while (this.open.length - 1 > d) {\n this.closeNode();\n }\n\n for (var w = 0; w < wrap.length; w++) {\n open.match = open.match.matchType(wrap[w]);\n d++;\n open = {\n parent: wrap[w].create(),\n match: wrap[w].contentMatch,\n content: prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty,\n wrapper: true,\n openEnd: 0,\n depth: d + w\n };\n this.open.push(open);\n }\n } // See if the child fits here\n\n\n var match = open.match.matchType(child.type);\n\n if (!match) {\n var fill = open.match.fillBefore(prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from(child));\n\n if (fill) {\n for (var j = 0; j < fill.childCount; j++) {\n var ch = fill.child(j);\n this.addNode(open, ch, 0);\n match = open.match.matchFragment(ch);\n }\n } else if (parent && open.match.matchType(parent.type)) {\n // Don't continue looking further up if the parent node\n // would fit here.\n break;\n } else {\n continue;\n }\n } // Close open nodes above this one, since we're starting to\n // add to this.\n\n\n while (this.open.length - 1 > d) {\n this.closeNode();\n } // Strip marks from the child or close its start when necessary\n\n\n child = child.mark(open.parent.type.allowedMarks(child.marks));\n\n if (openStart) {\n child = closeNodeStart(child, openStart, last ? openEnd : 0);\n openStart = 0;\n } // Add the child to this open node and adjust its metadata\n\n\n this.addNode(open, child, last ? openEnd : 0);\n open.match = match;\n\n if (last) {\n openEnd = 0;\n }\n\n placed = true;\n break;\n } // As soon as we've failed to place a node we stop looking at\n // later nodes\n\n\n if (!placed) {\n break;\n }\n } // Close the current open node if it's not the the root and we\n // either placed up to the end of the node or the the current\n // slice depth's node type matches the open node's type\n\n\n if (this.open.length > 1 && (i > 0 && i == fragment.childCount || parent && this.open[this.open.length - 1].parent.type == parent.type)) {\n this.closeNode();\n }\n\n return new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](fragment.cutByIndex(i), openStart, openEnd);\n};\n\nFrontier.prototype.addNode = function addNode(open, node, openEnd) {\n open.content = closeFragmentEnd(open.content, open.openEnd).addToEnd(node);\n open.openEnd = openEnd;\n};\n\nFrontier.prototype.closeNode = function closeNode() {\n var open = this.open.pop();\n if (open.content.size == 0) ;else if (open.wrapper) {\n this.addNode(this.open[this.open.length - 1], open.parent.copy(open.content), open.openEnd + 1);\n } else {\n this.placed[open.depth] = {\n depth: open.depth,\n content: open.content,\n openEnd: open.openEnd\n };\n }\n};\n\nfunction closeNodeStart(node, openStart, openEnd) {\n var content = node.content;\n\n if (openStart > 1) {\n var first = closeNodeStart(node.firstChild, openStart - 1, node.childCount == 1 ? openEnd - 1 : 0);\n content = node.content.replaceChild(0, first);\n }\n\n var fill = node.type.contentMatch.fillBefore(content, openEnd == 0);\n return node.copy(fill.append(content));\n}\n\nfunction closeNodeEnd(node, depth) {\n var content = node.content;\n\n if (depth > 1) {\n var last = closeNodeEnd(node.lastChild, depth - 1);\n content = node.content.replaceChild(node.childCount - 1, last);\n }\n\n var fill = node.contentMatchAt(node.childCount).fillBefore(prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty, true);\n return node.copy(content.append(fill));\n}\n\nfunction closeFragmentEnd(fragment, depth) {\n return depth ? fragment.replaceChild(fragment.childCount - 1, closeNodeEnd(fragment.lastChild, depth)) : fragment;\n} // :: (number, number, Slice) → this\n// Replace a range of the document with a given slice, using `from`,\n// `to`, and the slice's [`openStart`](#model.Slice.openStart) property\n// as hints, rather than fixed start and end points. This method may\n// grow the replaced area or close open nodes in the slice in order to\n// get a fit that is more in line with WYSIWYG expectations, by\n// dropping fully covered parent nodes of the replaced region when\n// they are marked [non-defining](#model.NodeSpec.defining), or\n// including an open parent node from the slice that _is_ marked as\n// [defining](#model.NodeSpec.defining).\n//\n// This is the method, for example, to handle paste. The similar\n// [`replace`](#transform.Transform.replace) method is a more\n// primitive tool which will _not_ move the start and end of its given\n// range, and is useful in situations where you need more precise\n// control over what happens.\n\n\nTransform.prototype.replaceRange = function (from, to, slice) {\n if (!slice.size) {\n return this.deleteRange(from, to);\n }\n\n var $from = this.doc.resolve(from),\n $to = this.doc.resolve(to);\n\n if (fitsTrivially($from, $to, slice)) {\n return this.step(new ReplaceStep(from, to, slice));\n }\n\n var targetDepths = coveredDepths($from, this.doc.resolve(to)); // Can't replace the whole document, so remove 0 if it's present\n\n if (targetDepths[targetDepths.length - 1] == 0) {\n targetDepths.pop();\n } // Negative numbers represent not expansion over the whole node at\n // that depth, but replacing from $from.before(-D) to $to.pos.\n\n\n var preferredTarget = -($from.depth + 1);\n targetDepths.unshift(preferredTarget); // This loop picks a preferred target depth, if one of the covering\n // depths is not outside of a defining node, and adds negative\n // depths for any depth that has $from at its start and does not\n // cross a defining node.\n\n for (var d = $from.depth, pos = $from.pos - 1; d > 0; d--, pos--) {\n var spec = $from.node(d).type.spec;\n\n if (spec.defining || spec.isolating) {\n break;\n }\n\n if (targetDepths.indexOf(d) > -1) {\n preferredTarget = d;\n } else if ($from.before(d) == pos) {\n targetDepths.splice(1, 0, -d);\n }\n } // Try to fit each possible depth of the slice into each possible\n // target depth, starting with the preferred depths.\n\n\n var preferredTargetIndex = targetDepths.indexOf(preferredTarget);\n var leftNodes = [],\n preferredDepth = slice.openStart;\n\n for (var content = slice.content, i = 0;; i++) {\n var node = content.firstChild;\n leftNodes.push(node);\n\n if (i == slice.openStart) {\n break;\n }\n\n content = node.content;\n } // Back up if the node directly above openStart, or the node above\n // that separated only by a non-defining textblock node, is defining.\n\n\n if (preferredDepth > 0 && leftNodes[preferredDepth - 1].type.spec.defining && $from.node(preferredTargetIndex).type != leftNodes[preferredDepth - 1].type) {\n preferredDepth -= 1;\n } else if (preferredDepth >= 2 && leftNodes[preferredDepth - 1].isTextblock && leftNodes[preferredDepth - 2].type.spec.defining && $from.node(preferredTargetIndex).type != leftNodes[preferredDepth - 2].type) {\n preferredDepth -= 2;\n }\n\n for (var j = slice.openStart; j >= 0; j--) {\n var openDepth = (j + preferredDepth + 1) % (slice.openStart + 1);\n var insert = leftNodes[openDepth];\n\n if (!insert) {\n continue;\n }\n\n for (var i$1 = 0; i$1 < targetDepths.length; i$1++) {\n // Loop over possible expansion levels, starting with the\n // preferred one\n var targetDepth = targetDepths[(i$1 + preferredTargetIndex) % targetDepths.length],\n expand = true;\n\n if (targetDepth < 0) {\n expand = false;\n targetDepth = -targetDepth;\n }\n\n var parent = $from.node(targetDepth - 1),\n index = $from.index(targetDepth - 1);\n\n if (parent.canReplaceWith(index, index, insert.type, insert.marks)) {\n return this.replace($from.before(targetDepth), expand ? $to.after(targetDepth) : to, new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](closeFragment(slice.content, 0, slice.openStart, openDepth), openDepth, slice.openEnd));\n }\n }\n }\n\n var startSteps = this.steps.length;\n\n for (var i$2 = targetDepths.length - 1; i$2 >= 0; i$2--) {\n this.replace(from, to, slice);\n\n if (this.steps.length > startSteps) {\n break;\n }\n\n var depth = targetDepths[i$2];\n\n if (i$2 < 0) {\n continue;\n }\n\n from = $from.before(depth);\n to = $to.after(depth);\n }\n\n return this;\n};\n\nfunction closeFragment(fragment, depth, oldOpen, newOpen, parent) {\n if (depth < oldOpen) {\n var first = fragment.firstChild;\n fragment = fragment.replaceChild(0, first.copy(closeFragment(first.content, depth + 1, oldOpen, newOpen, first)));\n }\n\n if (depth > newOpen) {\n var match = parent.contentMatchAt(0);\n var start = match.fillBefore(fragment).append(fragment);\n fragment = start.append(match.matchFragment(start).fillBefore(prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].empty, true));\n }\n\n return fragment;\n} // :: (number, number, Node) → this\n// Replace the given range with a node, but use `from` and `to` as\n// hints, rather than precise positions. When from and to are the same\n// and are at the start or end of a parent node in which the given\n// node doesn't fit, this method may _move_ them out towards a parent\n// that does allow the given node to be placed. When the given range\n// completely covers a parent node, this method may completely replace\n// that parent node.\n\n\nTransform.prototype.replaceRangeWith = function (from, to, node) {\n if (!node.isInline && from == to && this.doc.resolve(from).parent.content.size) {\n var point = insertPoint(this.doc, from, node.type);\n\n if (point != null) {\n from = to = point;\n }\n }\n\n return this.replaceRange(from, to, new prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Slice\"](prosemirror_model__WEBPACK_IMPORTED_MODULE_0__[\"Fragment\"].from(node), 0, 0));\n}; // :: (number, number) → this\n// Delete the given range, expanding it to cover fully covered\n// parent nodes until a valid replace is found.\n\n\nTransform.prototype.deleteRange = function (from, to) {\n var $from = this.doc.resolve(from),\n $to = this.doc.resolve(to);\n var covered = coveredDepths($from, $to);\n\n for (var i = 0; i < covered.length; i++) {\n var depth = covered[i],\n last = i == covered.length - 1;\n\n if (last && depth == 0 || $from.node(depth).type.contentMatch.validEnd) {\n return this[\"delete\"]($from.start(depth), $to.end(depth));\n }\n\n if (depth > 0 && (last || $from.node(depth - 1).canReplace($from.index(depth - 1), $to.indexAfter(depth - 1)))) {\n return this[\"delete\"]($from.before(depth), $to.after(depth));\n }\n }\n\n for (var d = 1; d <= $from.depth && d <= $to.depth; d++) {\n if (from - $from.start(d) == $from.depth - d && to > $from.end(d) && $to.end(d) - to != $to.depth - d) {\n return this[\"delete\"]($from.before(d), to);\n }\n }\n\n return this[\"delete\"](from, to);\n}; // : (ResolvedPos, ResolvedPos) → [number]\n// Returns an array of all depths for which $from - $to spans the\n// whole content of the nodes at that depth.\n\n\nfunction coveredDepths($from, $to) {\n var result = [],\n minDepth = Math.min($from.depth, $to.depth);\n\n for (var d = minDepth; d >= 0; d--) {\n var start = $from.start(d);\n\n if (start < $from.pos - ($from.depth - d) || $to.end(d) > $to.pos + ($to.depth - d) || $from.node(d).type.spec.isolating || $to.node(d).type.spec.isolating) {\n break;\n }\n\n if (start == $to.start(d)) {\n result.push(d);\n }\n }\n\n return result;\n}\n\n\n\n//# sourceURL=webpack:///./node_modules/prosemirror-transform/dist/index.es.js?");
/***/ }),
/***/ "./node_modules/prosemirror-view/dist/index.es.js":
/*!********************************************************!*\
!*** ./node_modules/prosemirror-view/dist/index.es.js ***!
\********************************************************/
/*! exports provided: Decoration, DecorationSet, EditorView, __endComposition, __parseFromClipboard, __serializeForClipboard */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Decoration\", function() { return Decoration; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"DecorationSet\", function() { return DecorationSet; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"EditorView\", function() { return EditorView; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"__endComposition\", function() { return endComposition; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"__parseFromClipboard\", function() { return parseFromClipboard; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"__serializeForClipboard\", function() { return serializeForClipboard; });\n/* harmony import */ var prosemirror_state__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! prosemirror-state */ \"./node_modules/prosemirror-state/dist/index.es.js\");\n/* harmony import */ var prosemirror_model__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! prosemirror-model */ \"./node_modules/prosemirror-model/dist/index.es.js\");\n/* harmony import */ var prosemirror_transform__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! prosemirror-transform */ \"./node_modules/prosemirror-transform/dist/index.es.js\");\n\n\n\nvar result = {};\n\nif (typeof navigator != \"undefined\" && typeof document != \"undefined\") {\n var ie_edge = /Edge\\/(\\d+)/.exec(navigator.userAgent);\n var ie_upto10 = /MSIE \\d/.test(navigator.userAgent);\n var ie_11up = /Trident\\/(?:[7-9]|\\d{2,})\\..*rv:(\\d+)/.exec(navigator.userAgent);\n result.mac = /Mac/.test(navigator.platform);\n var ie = result.ie = !!(ie_upto10 || ie_11up || ie_edge);\n result.ie_version = ie_upto10 ? document.documentMode || 6 : ie_11up ? +ie_11up[1] : ie_edge ? +ie_edge[1] : null;\n result.gecko = !ie && /gecko\\/(\\d+)/i.test(navigator.userAgent);\n result.gecko_version = result.gecko && +(/Firefox\\/(\\d+)/.exec(navigator.userAgent) || [0, 0])[1];\n var chrome = !ie && /Chrome\\/(\\d+)/.exec(navigator.userAgent);\n result.chrome = !!chrome;\n result.chrome_version = chrome && +chrome[1];\n result.ios = !ie && /AppleWebKit/.test(navigator.userAgent) && /Mobile\\/\\w+/.test(navigator.userAgent);\n result.android = /Android \\d/.test(navigator.userAgent);\n result.webkit = !ie && 'WebkitAppearance' in document.documentElement.style;\n result.safari = /Apple Computer/.test(navigator.vendor);\n result.webkit_version = result.webkit && +(/\\bAppleWebKit\\/(\\d+)/.exec(navigator.userAgent) || [0, 0])[1];\n}\n\nvar domIndex = function domIndex(node) {\n for (var index = 0;; index++) {\n node = node.previousSibling;\n\n if (!node) {\n return index;\n }\n }\n};\n\nvar parentNode = function parentNode(node) {\n var parent = node.parentNode;\n return parent && parent.nodeType == 11 ? parent.host : parent;\n};\n\nvar textRange = function textRange(node, from, to) {\n var range = document.createRange();\n range.setEnd(node, to == null ? node.nodeValue.length : to);\n range.setStart(node, from || 0);\n return range;\n}; // Scans forward and backward through DOM positions equivalent to the\n// given one to see if the two are in the same place (i.e. after a\n// text node vs at the end of that text node)\n\n\nvar isEquivalentPosition = function isEquivalentPosition(node, off, targetNode, targetOff) {\n return targetNode && (scanFor(node, off, targetNode, targetOff, -1) || scanFor(node, off, targetNode, targetOff, 1));\n};\n\nvar atomElements = /^(img|br|input|textarea|hr)$/i;\n\nfunction scanFor(node, off, targetNode, targetOff, dir) {\n for (;;) {\n if (node == targetNode && off == targetOff) {\n return true;\n }\n\n if (off == (dir < 0 ? 0 : nodeSize(node))) {\n var parent = node.parentNode;\n\n if (parent.nodeType != 1 || hasBlockDesc(node) || atomElements.test(node.nodeName) || node.contentEditable == \"false\") {\n return false;\n }\n\n off = domIndex(node) + (dir < 0 ? 0 : 1);\n node = parent;\n } else if (node.nodeType == 1) {\n node = node.childNodes[off + (dir < 0 ? -1 : 0)];\n\n if (node.contentEditable == \"false\") {\n return false;\n }\n\n off = dir < 0 ? nodeSize(node) : 0;\n } else {\n return false;\n }\n }\n}\n\nfunction nodeSize(node) {\n return node.nodeType == 3 ? node.nodeValue.length : node.childNodes.length;\n}\n\nfunction isOnEdge(node, offset, parent) {\n for (var atStart = offset == 0, atEnd = offset == nodeSize(node); atStart || atEnd;) {\n if (node == parent) {\n return true;\n }\n\n var index = domIndex(node);\n node = node.parentNode;\n\n if (!node) {\n return false;\n }\n\n atStart = atStart && index == 0;\n atEnd = atEnd && index == nodeSize(node);\n }\n}\n\nfunction hasBlockDesc(dom) {\n var desc;\n\n for (var cur = dom; cur; cur = cur.parentNode) {\n if (desc = cur.pmViewDesc) {\n break;\n }\n }\n\n return desc && desc.node && desc.node.isBlock && (desc.dom == dom || desc.contentDOM == dom);\n} // Work around Chrome issue https://bugs.chromium.org/p/chromium/issues/detail?id=447523\n// (isCollapsed inappropriately returns true in shadow dom)\n\n\nvar selectionCollapsed = function selectionCollapsed(domSel) {\n var collapsed = domSel.isCollapsed;\n\n if (collapsed && result.chrome && domSel.rangeCount && !domSel.getRangeAt(0).collapsed) {\n collapsed = false;\n }\n\n return collapsed;\n};\n\nfunction keyEvent(keyCode, key) {\n var event = document.createEvent(\"Event\");\n event.initEvent(\"keydown\", true, true);\n event.keyCode = keyCode;\n event.key = event.code = key;\n return event;\n}\n\nfunction windowRect(win) {\n return {\n left: 0,\n right: win.innerWidth,\n top: 0,\n bottom: win.innerHeight\n };\n}\n\nfunction getSide(value, side) {\n return typeof value == \"number\" ? value : value[side];\n}\n\nfunction scrollRectIntoView(view, rect, startDOM) {\n var scrollThreshold = view.someProp(\"scrollThreshold\") || 0,\n scrollMargin = view.someProp(\"scrollMargin\") || 5;\n var doc = view.dom.ownerDocument,\n win = doc.defaultView;\n\n for (var parent = startDOM || view.dom;; parent = parentNode(parent)) {\n if (!parent) {\n break;\n }\n\n if (parent.nodeType != 1) {\n continue;\n }\n\n var atTop = parent == doc.body || parent.nodeType != 1;\n var bounding = atTop ? windowRect(win) : parent.getBoundingClientRect();\n var moveX = 0,\n moveY = 0;\n\n if (rect.top < bounding.top + getSide(scrollThreshold, \"top\")) {\n moveY = -(bounding.top - rect.top + getSide(scrollMargin, \"top\"));\n } else if (rect.bottom > bounding.bottom - getSide(scrollThreshold, \"bottom\")) {\n moveY = rect.bottom - bounding.bottom + getSide(scrollMargin, \"bottom\");\n }\n\n if (rect.left < bounding.left + getSide(scrollThreshold, \"left\")) {\n moveX = -(bounding.left - rect.left + getSide(scrollMargin, \"left\"));\n } else if (rect.right > bounding.right - getSide(scrollThreshold, \"right\")) {\n moveX = rect.right - bounding.right + getSide(scrollMargin, \"right\");\n }\n\n if (moveX || moveY) {\n if (atTop) {\n win.scrollBy(moveX, moveY);\n } else {\n if (moveY) {\n parent.scrollTop += moveY;\n }\n\n if (moveX) {\n parent.scrollLeft += moveX;\n }\n\n rect = {\n left: rect.left - moveX,\n top: rect.top - moveY,\n right: rect.right - moveX,\n bottom: rect.bottom - moveY\n };\n }\n }\n\n if (atTop) {\n break;\n }\n }\n} // Store the scroll position of the editor's parent nodes, along with\n// the top position of an element near the top of the editor, which\n// will be used to make sure the visible viewport remains stable even\n// when the size of the content above changes.\n\n\nfunction storeScrollPos(view) {\n var rect = view.dom.getBoundingClientRect(),\n startY = Math.max(0, rect.top);\n var refDOM, refTop;\n\n for (var x = (rect.left + rect.right) / 2, y = startY + 1; y < Math.min(innerHeight, rect.bottom); y += 5) {\n var dom = view.root.elementFromPoint(x, y);\n\n if (dom == view.dom || !view.dom.contains(dom)) {\n continue;\n }\n\n var localRect = dom.getBoundingClientRect();\n\n if (localRect.top >= startY - 20) {\n refDOM = dom;\n refTop = localRect.top;\n break;\n }\n }\n\n return {\n refDOM: refDOM,\n refTop: refTop,\n stack: scrollStack(view.dom)\n };\n}\n\nfunction scrollStack(dom) {\n var stack = [],\n doc = dom.ownerDocument;\n\n for (; dom; dom = parentNode(dom)) {\n stack.push({\n dom: dom,\n top: dom.scrollTop,\n left: dom.scrollLeft\n });\n\n if (dom == doc) {\n break;\n }\n }\n\n return stack;\n} // Reset the scroll position of the editor's parent nodes to that what\n// it was before, when storeScrollPos was called.\n\n\nfunction resetScrollPos(ref) {\n var refDOM = ref.refDOM;\n var refTop = ref.refTop;\n var stack = ref.stack;\n var newRefTop = refDOM ? refDOM.getBoundingClientRect().top : 0;\n restoreScrollStack(stack, newRefTop == 0 ? 0 : newRefTop - refTop);\n}\n\nfunction restoreScrollStack(stack, dTop) {\n for (var i = 0; i < stack.length; i++) {\n var ref = stack[i];\n var dom = ref.dom;\n var top = ref.top;\n var left = ref.left;\n\n if (dom.scrollTop != top + dTop) {\n dom.scrollTop = top + dTop;\n }\n\n if (dom.scrollLeft != left) {\n dom.scrollLeft = left;\n }\n }\n}\n\nvar preventScrollSupported = null; // Feature-detects support for .focus({preventScroll: true}), and uses\n// a fallback kludge when not supported.\n\nfunction focusPreventScroll(dom) {\n if (dom.setActive) {\n return dom.setActive();\n } // in IE\n\n\n if (preventScrollSupported) {\n return dom.focus(preventScrollSupported);\n }\n\n var stored = scrollStack(dom);\n dom.focus(preventScrollSupported == null ? {\n get preventScroll() {\n preventScrollSupported = {\n preventScroll: true\n };\n return true;\n }\n\n } : undefined);\n\n if (!preventScrollSupported) {\n preventScrollSupported = false;\n restoreScrollStack(stored, 0);\n }\n}\n\nfunction findOffsetInNode(node, coords) {\n var closest,\n dxClosest = 2e8,\n coordsClosest,\n offset = 0;\n var rowBot = coords.top,\n rowTop = coords.top;\n\n for (var child = node.firstChild, childIndex = 0; child; child = child.nextSibling, childIndex++) {\n var rects = void 0;\n\n if (child.nodeType == 1) {\n rects = child.getClientRects();\n } else if (child.nodeType == 3) {\n rects = textRange(child).getClientRects();\n } else {\n continue;\n }\n\n for (var i = 0; i < rects.length; i++) {\n var rect = rects[i];\n\n if (rect.top <= rowBot && rect.bottom >= rowTop) {\n rowBot = Math.max(rect.bottom, rowBot);\n rowTop = Math.min(rect.top, rowTop);\n var dx = rect.left > coords.left ? rect.left - coords.left : rect.right < coords.left ? coords.left - rect.right : 0;\n\n if (dx < dxClosest) {\n closest = child;\n dxClosest = dx;\n coordsClosest = dx && closest.nodeType == 3 ? {\n left: rect.right < coords.left ? rect.right : rect.left,\n top: coords.top\n } : coords;\n\n if (child.nodeType == 1 && dx) {\n offset = childIndex + (coords.left >= (rect.left + rect.right) / 2 ? 1 : 0);\n }\n\n continue;\n }\n }\n\n if (!closest && (coords.left >= rect.right && coords.top >= rect.top || coords.left >= rect.left && coords.top >= rect.bottom)) {\n offset = childIndex + 1;\n }\n }\n }\n\n if (closest && closest.nodeType == 3) {\n return findOffsetInText(closest, coordsClosest);\n }\n\n if (!closest || dxClosest && closest.nodeType == 1) {\n return {\n node: node,\n offset: offset\n };\n }\n\n return findOffsetInNode(closest, coordsClosest);\n}\n\nfunction findOffsetInText(node, coords) {\n var len = node.nodeValue.length;\n var range = document.createRange();\n\n for (var i = 0; i < len; i++) {\n range.setEnd(node, i + 1);\n range.setStart(node, i);\n var rect = singleRect(range, 1);\n\n if (rect.top == rect.bottom) {\n continue;\n }\n\n if (inRect(coords, rect)) {\n return {\n node: node,\n offset: i + (coords.left >= (rect.left + rect.right) / 2 ? 1 : 0)\n };\n }\n }\n\n return {\n node: node,\n offset: 0\n };\n}\n\nfunction inRect(coords, rect) {\n return coords.left >= rect.left - 1 && coords.left <= rect.right + 1 && coords.top >= rect.top - 1 && coords.top <= rect.bottom + 1;\n}\n\nfunction targetKludge(dom, coords) {\n var parent = dom.parentNode;\n\n if (parent && /^li$/i.test(parent.nodeName) && coords.left < dom.getBoundingClientRect().left) {\n return parent;\n }\n\n return dom;\n}\n\nfunction posFromElement(view, elt, coords) {\n var ref = findOffsetInNode(elt, coords);\n var node = ref.node;\n var offset = ref.offset;\n var bias = -1;\n\n if (node.nodeType == 1 && !node.firstChild) {\n var rect = node.getBoundingClientRect();\n bias = rect.left != rect.right && coords.left > (rect.left + rect.right) / 2 ? 1 : -1;\n }\n\n return view.docView.posFromDOM(node, offset, bias);\n}\n\nfunction posFromCaret(view, node, offset, coords) {\n // Browser (in caretPosition/RangeFromPoint) will agressively\n // normalize towards nearby inline nodes. Since we are interested in\n // positions between block nodes too, we first walk up the hierarchy\n // of nodes to see if there are block nodes that the coordinates\n // fall outside of. If so, we take the position before/after that\n // block. If not, we call `posFromDOM` on the raw node/offset.\n var outside = -1;\n\n for (var cur = node;;) {\n if (cur == view.dom) {\n break;\n }\n\n var desc = view.docView.nearestDesc(cur, true);\n\n if (!desc) {\n return null;\n }\n\n if (desc.node.isBlock && desc.parent) {\n var rect = desc.dom.getBoundingClientRect();\n\n if (rect.left > coords.left || rect.top > coords.top) {\n outside = desc.posBefore;\n } else if (rect.right < coords.left || rect.bottom < coords.top) {\n outside = desc.posAfter;\n } else {\n break;\n }\n }\n\n cur = desc.dom.parentNode;\n }\n\n return outside > -1 ? outside : view.docView.posFromDOM(node, offset);\n}\n\nfunction elementFromPoint(element, coords, box) {\n var len = element.childNodes.length;\n\n if (len && box.top < box.bottom) {\n for (var startI = Math.max(0, Math.min(len - 1, Math.floor(len * (coords.top - box.top) / (box.bottom - box.top)) - 2)), i = startI;;) {\n var child = element.childNodes[i];\n\n if (child.nodeType == 1) {\n var rects = child.getClientRects();\n\n for (var j = 0; j < rects.length; j++) {\n var rect = rects[j];\n\n if (inRect(coords, rect)) {\n return elementFromPoint(child, coords, rect);\n }\n }\n }\n\n if ((i = (i + 1) % len) == startI) {\n break;\n }\n }\n }\n\n return element;\n} // Given an x,y position on the editor, get the position in the document.\n\n\nfunction posAtCoords(view, coords) {\n var assign, assign$1;\n var root = view.root,\n node,\n offset;\n\n if (root.caretPositionFromPoint) {\n try {\n // Firefox throws for this call in hard-to-predict circumstances (#994)\n var pos$1 = root.caretPositionFromPoint(coords.left, coords.top);\n\n if (pos$1) {\n assign = pos$1, node = assign.offsetNode, offset = assign.offset;\n }\n } catch (_) {}\n }\n\n if (!node && root.caretRangeFromPoint) {\n var range = root.caretRangeFromPoint(coords.left, coords.top);\n\n if (range) {\n assign$1 = range, node = assign$1.startContainer, offset = assign$1.startOffset;\n }\n }\n\n var elt = root.elementFromPoint(coords.left, coords.top + 1),\n pos;\n\n if (!elt || !view.dom.contains(elt.nodeType != 1 ? elt.parentNode : elt)) {\n var box = view.dom.getBoundingClientRect();\n\n if (!inRect(coords, box)) {\n return null;\n }\n\n elt = elementFromPoint(view.dom, coords, box);\n\n if (!elt) {\n return null;\n }\n }\n\n elt = targetKludge(elt, coords);\n\n if (node) {\n if (result.gecko && node.nodeType == 1) {\n // Firefox will sometimes return offsets into nodes, which\n // have no actual children, from caretPositionFromPoint (#953)\n offset = Math.min(offset, node.childNodes.length); // It'll also move the returned position before image nodes,\n // even if those are behind it.\n\n if (offset < node.childNodes.length) {\n var next = node.childNodes[offset],\n box$1;\n\n if (next.nodeName == \"IMG\" && (box$1 = next.getBoundingClientRect()).right <= coords.left && box$1.bottom > coords.top) {\n offset++;\n }\n }\n } // Suspiciously specific kludge to work around caret*FromPoint\n // never returning a position at the end of the document\n\n\n if (node == view.dom && offset == node.childNodes.length - 1 && node.lastChild.nodeType == 1 && coords.top > node.lastChild.getBoundingClientRect().bottom) {\n pos = view.state.doc.content.size;\n } // Ignore positions directly after a BR, since caret*FromPoint\n // 'round up' positions that would be more accurately placed\n // before the BR node.\n else if (offset == 0 || node.nodeType != 1 || node.childNodes[offset - 1].nodeName != \"BR\") {\n pos = posFromCaret(view, node, offset, coords);\n }\n }\n\n if (pos == null) {\n pos = posFromElement(view, elt, coords);\n }\n\n var desc = view.docView.nearestDesc(elt, true);\n return {\n pos: pos,\n inside: desc ? desc.posAtStart - desc.border : -1\n };\n}\n\nfunction singleRect(object, bias) {\n var rects = object.getClientRects();\n return !rects.length ? object.getBoundingClientRect() : rects[bias < 0 ? 0 : rects.length - 1];\n} // : (EditorView, number) → {left: number, top: number, right: number, bottom: number}\n// Given a position in the document model, get a bounding box of the\n// character at that position, relative to the window.\n\n\nfunction coordsAtPos(view, pos) {\n var ref = view.docView.domFromPos(pos);\n var node = ref.node;\n var offset = ref.offset; // These browsers support querying empty text ranges\n\n if (node.nodeType == 3 && (result.chrome || result.gecko)) {\n var rect = singleRect(textRange(node, offset, offset), 0); // Firefox returns bad results (the position before the space)\n // when querying a position directly after line-broken\n // whitespace. Detect this situation and and kludge around it\n\n if (result.gecko && offset && /\\s/.test(node.nodeValue[offset - 1]) && offset < node.nodeValue.length) {\n var rectBefore = singleRect(textRange(node, offset - 1, offset - 1), -1);\n\n if (Math.abs(rectBefore.left - rect.left) < 1 && rectBefore.top == rect.top) {\n var rectAfter = singleRect(textRange(node, offset, offset + 1), -1);\n return flattenV(rectAfter, rectAfter.left < rectBefore.left);\n }\n }\n\n return rect;\n }\n\n if (node.nodeType == 1 && !view.state.doc.resolve(pos).parent.inlineContent) {\n // Return a horizontal line in block context\n var top = true,\n rect$1;\n\n if (offset < node.childNodes.length) {\n var after = node.childNodes[offset];\n\n if (after.nodeType == 1) {\n rect$1 = after.getBoundingClientRect();\n }\n }\n\n if (!rect$1 && offset) {\n var before = node.childNodes[offset - 1];\n\n if (before.nodeType == 1) {\n rect$1 = before.getBoundingClientRect();\n top = false;\n }\n }\n\n return flattenH(rect$1 || node.getBoundingClientRect(), top);\n } // Not Firefox/Chrome, or not in a text node, so we have to use\n // actual element/character rectangles to get a solution (this part\n // is not very bidi-safe)\n //\n // Try the left side first, fall back to the right one if that\n // doesn't work.\n\n\n for (var dir = -1; dir < 2; dir += 2) {\n if (dir < 0 && offset) {\n var prev = void 0,\n target = node.nodeType == 3 ? textRange(node, offset - 1, offset) : (prev = node.childNodes[offset - 1]).nodeType == 3 ? textRange(prev) : prev.nodeType == 1 && prev.nodeName != \"BR\" ? prev : null; // BR nodes tend to only return the rectangle before them\n\n if (target) {\n var rect$2 = singleRect(target, 1);\n\n if (rect$2.top < rect$2.bottom) {\n return flattenV(rect$2, false);\n }\n }\n } else if (dir > 0 && offset < nodeSize(node)) {\n var next = void 0,\n target$1 = node.nodeType == 3 ? textRange(node, offset, offset + 1) : (next = node.childNodes[offset]).nodeType == 3 ? textRange(next) : next.nodeType == 1 ? next : null;\n\n if (target$1) {\n var rect$3 = singleRect(target$1, -1);\n\n if (rect$3.top < rect$3.bottom) {\n return flattenV(rect$3, true);\n }\n }\n }\n } // All else failed, just try to get a rectangle for the target node\n\n\n return flattenV(singleRect(node.nodeType == 3 ? textRange(node) : node, 0), false);\n}\n\nfunction flattenV(rect, left) {\n if (rect.width == 0) {\n return rect;\n }\n\n var x = left ? rect.left : rect.right;\n return {\n top: rect.top,\n bottom: rect.bottom,\n left: x,\n right: x\n };\n}\n\nfunction flattenH(rect, top) {\n if (rect.height == 0) {\n return rect;\n }\n\n var y = top ? rect.top : rect.bottom;\n return {\n top: y,\n bottom: y,\n left: rect.left,\n right: rect.right\n };\n}\n\nfunction withFlushedState(view, state, f) {\n var viewState = view.state,\n active = view.root.activeElement;\n\n if (viewState != state) {\n view.updateState(state);\n }\n\n if (active != view.dom) {\n view.focus();\n }\n\n try {\n return f();\n } finally {\n if (viewState != state) {\n view.updateState(viewState);\n }\n\n if (active != view.dom) {\n active.focus();\n }\n }\n} // : (EditorView, number, number)\n// Whether vertical position motion in a given direction\n// from a position would leave a text block.\n\n\nfunction endOfTextblockVertical(view, state, dir) {\n var sel = state.selection;\n var $pos = dir == \"up\" ? sel.$anchor.min(sel.$head) : sel.$anchor.max(sel.$head);\n return withFlushedState(view, state, function () {\n var ref = view.docView.domFromPos($pos.pos);\n var dom = ref.node;\n\n for (;;) {\n var nearest = view.docView.nearestDesc(dom, true);\n\n if (!nearest) {\n break;\n }\n\n if (nearest.node.isBlock) {\n dom = nearest.dom;\n break;\n }\n\n dom = nearest.dom.parentNode;\n }\n\n var coords = coordsAtPos(view, $pos.pos);\n\n for (var child = dom.firstChild; child; child = child.nextSibling) {\n var boxes = void 0;\n\n if (child.nodeType == 1) {\n boxes = child.getClientRects();\n } else if (child.nodeType == 3) {\n boxes = textRange(child, 0, child.nodeValue.length).getClientRects();\n } else {\n continue;\n }\n\n for (var i = 0; i < boxes.length; i++) {\n var box = boxes[i];\n\n if (box.bottom > box.top && (dir == \"up\" ? box.bottom < coords.top + 1 : box.top > coords.bottom - 1)) {\n return false;\n }\n }\n }\n\n return true;\n });\n}\n\nvar maybeRTL = /[\\u0590-\\u08ac]/;\n\nfunction endOfTextblockHorizontal(view, state, dir) {\n var ref = state.selection;\n var $head = ref.$head;\n\n if (!$head.parent.isTextblock) {\n return false;\n }\n\n var offset = $head.parentOffset,\n atStart = !offset,\n atEnd = offset == $head.parent.content.size;\n var sel = getSelection(); // If the textblock is all LTR, or the browser doesn't support\n // Selection.modify (Edge), fall back to a primitive approach\n\n if (!maybeRTL.test($head.parent.textContent) || !sel.modify) {\n return dir == \"left\" || dir == \"backward\" ? atStart : atEnd;\n }\n\n return withFlushedState(view, state, function () {\n // This is a huge hack, but appears to be the best we can\n // currently do: use `Selection.modify` to move the selection by\n // one character, and see if that moves the cursor out of the\n // textblock (or doesn't move it at all, when at the start/end of\n // the document).\n var oldRange = sel.getRangeAt(0),\n oldNode = sel.focusNode,\n oldOff = sel.focusOffset;\n var oldBidiLevel = sel.caretBidiLevel; // Only for Firefox\n\n sel.modify(\"move\", dir, \"character\");\n var parentDOM = $head.depth ? view.docView.domAfterPos($head.before()) : view.dom;\n var result = !parentDOM.contains(sel.focusNode.nodeType == 1 ? sel.focusNode : sel.focusNode.parentNode) || oldNode == sel.focusNode && oldOff == sel.focusOffset; // Restore the previous selection\n\n sel.removeAllRanges();\n sel.addRange(oldRange);\n\n if (oldBidiLevel != null) {\n sel.caretBidiLevel = oldBidiLevel;\n }\n\n return result;\n });\n}\n\nvar cachedState = null,\n cachedDir = null,\n cachedResult = false;\n\nfunction endOfTextblock(view, state, dir) {\n if (cachedState == state && cachedDir == dir) {\n return cachedResult;\n }\n\n cachedState = state;\n cachedDir = dir;\n return cachedResult = dir == \"up\" || dir == \"down\" ? endOfTextblockVertical(view, state, dir) : endOfTextblockHorizontal(view, state, dir);\n} // NodeView:: interface\n//\n// By default, document nodes are rendered using the result of the\n// [`toDOM`](#model.NodeSpec.toDOM) method of their spec, and managed\n// entirely by the editor. For some use cases, such as embedded\n// node-specific editing interfaces, you want more control over\n// the behavior of a node's in-editor representation, and need to\n// [define](#view.EditorProps.nodeViews) a custom node view.\n//\n// Objects returned as node views must conform to this interface.\n//\n// dom:: ?dom.Node\n// The outer DOM node that represents the document node. When not\n// given, the default strategy is used to create a DOM node.\n//\n// contentDOM:: ?dom.Node\n// The DOM node that should hold the node's content. Only meaningful\n// if the node view also defines a `dom` property and if its node\n// type is not a leaf node type. When this is present, ProseMirror\n// will take care of rendering the node's children into it. When it\n// is not present, the node view itself is responsible for rendering\n// (or deciding not to render) its child nodes.\n//\n// update:: ?(node: Node, decorations: [Decoration]) → bool\n// When given, this will be called when the view is updating itself.\n// It will be given a node (possibly of a different type), and an\n// array of active decorations (which are automatically drawn, and\n// the node view may ignore if it isn't interested in them), and\n// should return true if it was able to update to that node, and\n// false otherwise. If the node view has a `contentDOM` property (or\n// no `dom` property), updating its child nodes will be handled by\n// ProseMirror.\n//\n// selectNode:: ?()\n// Can be used to override the way the node's selected status (as a\n// node selection) is displayed.\n//\n// deselectNode:: ?()\n// When defining a `selectNode` method, you should also provide a\n// `deselectNode` method to remove the effect again.\n//\n// setSelection:: ?(anchor: number, head: number, root: dom.Document)\n// This will be called to handle setting the selection inside the\n// node. The `anchor` and `head` positions are relative to the start\n// of the node. By default, a DOM selection will be created between\n// the DOM positions corresponding to those positions, but if you\n// override it you can do something else.\n//\n// stopEvent:: ?(event: dom.Event) → bool\n// Can be used to prevent the editor view from trying to handle some\n// or all DOM events that bubble up from the node view. Events for\n// which this returns true are not handled by the editor.\n//\n// ignoreMutation:: ?(dom.MutationRecord) → bool\n// Called when a DOM\n// [mutation](https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver)\n// or a selection change happens within the view. When the change is\n// a selection change, the record will have a `type` property of\n// `\"selection\"` (which doesn't occur for native mutation records).\n// Return false if the editor should re-read the selection or\n// re-parse the range around the mutation, true if it can safely be\n// ignored.\n//\n// destroy:: ?()\n// Called when the node view is removed from the editor or the whole\n// editor is destroyed.\n// View descriptions are data structures that describe the DOM that is\n// used to represent the editor's content. They are used for:\n//\n// - Incremental redrawing when the document changes\n//\n// - Figuring out what part of the document a given DOM position\n// corresponds to\n//\n// - Wiring in custom implementations of the editing interface for a\n// given node\n//\n// They form a doubly-linked mutable tree, starting at `view.docView`.\n\n\nvar NOT_DIRTY = 0,\n CHILD_DIRTY = 1,\n CONTENT_DIRTY = 2,\n NODE_DIRTY = 3; // Superclass for the various kinds of descriptions. Defines their\n// basic structure and shared methods.\n\nvar ViewDesc = function ViewDesc(parent, children, dom, contentDOM) {\n this.parent = parent;\n this.children = children;\n this.dom = dom; // An expando property on the DOM node provides a link back to its\n // description.\n\n dom.pmViewDesc = this; // This is the node that holds the child views. It may be null for\n // descs that don't have children.\n\n this.contentDOM = contentDOM;\n this.dirty = NOT_DIRTY;\n};\n\nvar prototypeAccessors = {\n beforePosition: {\n configurable: true\n },\n size: {\n configurable: true\n },\n border: {\n configurable: true\n },\n posBefore: {\n configurable: true\n },\n posAtStart: {\n configurable: true\n },\n posAfter: {\n configurable: true\n },\n posAtEnd: {\n configurable: true\n },\n contentLost: {\n configurable: true\n }\n}; // Used to check whether a given description corresponds to a\n// widget/mark/node.\n\nViewDesc.prototype.matchesWidget = function matchesWidget() {\n return false;\n};\n\nViewDesc.prototype.matchesMark = function matchesMark() {\n return false;\n};\n\nViewDesc.prototype.matchesNode = function matchesNode() {\n return false;\n};\n\nViewDesc.prototype.matchesHack = function matchesHack() {\n return false;\n};\n\nprototypeAccessors.beforePosition.get = function () {\n return false;\n}; // : () → ?ParseRule\n// When parsing in-editor content (in domchange.js), we allow\n// descriptions to determine the parse rules that should be used to\n// parse them.\n\n\nViewDesc.prototype.parseRule = function parseRule() {\n return null;\n}; // : (dom.Event) → bool\n// Used by the editor's event handler to ignore events that come\n// from certain descs.\n\n\nViewDesc.prototype.stopEvent = function stopEvent() {\n return false;\n}; // The size of the content represented by this desc.\n\n\nprototypeAccessors.size.get = function () {\n var size = 0;\n\n for (var i = 0; i < this.children.length; i++) {\n size += this.children[i].size;\n }\n\n return size;\n}; // For block nodes, this represents the space taken up by their\n// start/end tokens.\n\n\nprototypeAccessors.border.get = function () {\n return 0;\n};\n\nViewDesc.prototype.destroy = function destroy() {\n this.parent = null;\n\n if (this.dom.pmViewDesc == this) {\n this.dom.pmViewDesc = null;\n }\n\n for (var i = 0; i < this.children.length; i++) {\n this.children[i].destroy();\n }\n};\n\nViewDesc.prototype.posBeforeChild = function posBeforeChild(child) {\n for (var i = 0, pos = this.posAtStart; i < this.children.length; i++) {\n var cur = this.children[i];\n\n if (cur == child) {\n return pos;\n }\n\n pos += cur.size;\n }\n};\n\nprototypeAccessors.posBefore.get = function () {\n return this.parent.posBeforeChild(this);\n};\n\nprototypeAccessors.posAtStart.get = function () {\n return this.parent ? this.parent.posBeforeChild(this) + this.border : 0;\n};\n\nprototypeAccessors.posAfter.get = function () {\n return this.posBefore + this.size;\n};\n\nprototypeAccessors.posAtEnd.get = function () {\n return this.posAtStart + this.size - 2 * this.border;\n}; // : (dom.Node, number, ?number) → number\n\n\nViewDesc.prototype.localPosFromDOM = function localPosFromDOM(dom, offset, bias) {\n // If the DOM position is in the content, use the child desc after\n // it to figure out a position.\n if (this.contentDOM && this.contentDOM.contains(dom.nodeType == 1 ? dom : dom.parentNode)) {\n if (bias < 0) {\n var domBefore, desc;\n\n if (dom == this.contentDOM) {\n domBefore = dom.childNodes[offset - 1];\n } else {\n while (dom.parentNode != this.contentDOM) {\n dom = dom.parentNode;\n }\n\n domBefore = dom.previousSibling;\n }\n\n while (domBefore && !((desc = domBefore.pmViewDesc) && desc.parent == this)) {\n domBefore = domBefore.previousSibling;\n }\n\n return domBefore ? this.posBeforeChild(desc) + desc.size : this.posAtStart;\n } else {\n var domAfter, desc$1;\n\n if (dom == this.contentDOM) {\n domAfter = dom.childNodes[offset];\n } else {\n while (dom.parentNode != this.contentDOM) {\n dom = dom.parentNode;\n }\n\n domAfter = dom.nextSibling;\n }\n\n while (domAfter && !((desc$1 = domAfter.pmViewDesc) && desc$1.parent == this)) {\n domAfter = domAfter.nextSibling;\n }\n\n return domAfter ? this.posBeforeChild(desc$1) : this.posAtEnd;\n }\n } // Otherwise, use various heuristics, falling back on the bias\n // parameter, to determine whether to return the position at the\n // start or at the end of this view desc.\n\n\n var atEnd;\n\n if (this.contentDOM && this.contentDOM != this.dom && this.dom.contains(this.contentDOM)) {\n atEnd = dom.compareDocumentPosition(this.contentDOM) & 2;\n } else if (this.dom.firstChild) {\n if (offset == 0) {\n for (var search = dom;; search = search.parentNode) {\n if (search == this.dom) {\n atEnd = false;\n break;\n }\n\n if (search.parentNode.firstChild != search) {\n break;\n }\n }\n }\n\n if (atEnd == null && offset == dom.childNodes.length) {\n for (var search$1 = dom;; search$1 = search$1.parentNode) {\n if (search$1 == this.dom) {\n atEnd = true;\n break;\n }\n\n if (search$1.parentNode.lastChild != search$1) {\n break;\n }\n }\n }\n }\n\n return (atEnd == null ? bias > 0 : atEnd) ? this.posAtEnd : this.posAtStart;\n}; // Scan up the dom finding the first desc that is a descendant of\n// this one.\n\n\nViewDesc.prototype.nearestDesc = function nearestDesc(dom, onlyNodes) {\n for (var first = true, cur = dom; cur; cur = cur.parentNode) {\n var desc = this.getDesc(cur);\n\n if (desc && (!onlyNodes || desc.node)) {\n // If dom is outside of this desc's nodeDOM, don't count it.\n if (first && desc.nodeDOM && !(desc.nodeDOM.nodeType == 1 ? desc.nodeDOM.contains(dom) : desc.nodeDOM == dom)) {\n first = false;\n } else {\n return desc;\n }\n }\n }\n};\n\nViewDesc.prototype.getDesc = function getDesc(dom) {\n var desc = dom.pmViewDesc;\n\n for (var cur = desc; cur; cur = cur.parent) {\n if (cur == this) {\n return desc;\n }\n }\n};\n\nViewDesc.prototype.posFromDOM = function posFromDOM(dom, offset, bias) {\n for (var scan = dom;; scan = scan.parentNode) {\n var desc = this.getDesc(scan);\n\n if (desc) {\n return desc.localPosFromDOM(dom, offset, bias);\n }\n }\n}; // : (number) → ?NodeViewDesc\n// Find the desc for the node after the given pos, if any. (When a\n// parent node overrode rendering, there might not be one.)\n\n\nViewDesc.prototype.descAt = function descAt(pos) {\n for (var i = 0, offset = 0; i < this.children.length; i++) {\n var child = this.children[i],\n end = offset + child.size;\n\n if (offset == pos && end != offset) {\n while (!child.border && child.children.length) {\n child = child.children[0];\n }\n\n return child;\n }\n\n if (pos < end) {\n return child.descAt(pos - offset - child.border);\n }\n\n offset = end;\n }\n}; // : (number) → {node: dom.Node, offset: number}\n\n\nViewDesc.prototype.domFromPos = function domFromPos(pos) {\n if (!this.contentDOM) {\n return {\n node: this.dom,\n offset: 0\n };\n }\n\n for (var offset = 0, i = 0;; i++) {\n if (offset == pos) {\n while (i < this.children.length && (this.children[i].beforePosition || this.children[i].dom.parentNode != this.contentDOM)) {\n i++;\n }\n\n return {\n node: this.contentDOM,\n offset: i == this.children.length ? this.contentDOM.childNodes.length : domIndex(this.children[i].dom)\n };\n }\n\n if (i == this.children.length) {\n throw new Error(\"Invalid position \" + pos);\n }\n\n var child = this.children[i],\n end = offset + child.size;\n\n if (pos < end) {\n return child.domFromPos(pos - offset - child.border);\n }\n\n offset = end;\n }\n}; // Used to find a DOM range in a single parent for a given changed\n// range.\n\n\nViewDesc.prototype.parseRange = function parseRange(from, to, base) {\n if (base === void 0) base = 0;\n\n if (this.children.length == 0) {\n return {\n node: this.contentDOM,\n from: from,\n to: to,\n fromOffset: 0,\n toOffset: this.contentDOM.childNodes.length\n };\n }\n\n var fromOffset = -1,\n toOffset = -1;\n\n for (var offset = base, i = 0;; i++) {\n var child = this.children[i],\n end = offset + child.size;\n\n if (fromOffset == -1 && from <= end) {\n var childBase = offset + child.border; // FIXME maybe descend mark views to parse a narrower range?\n\n if (from >= childBase && to <= end - child.border && child.node && child.contentDOM && this.contentDOM.contains(child.contentDOM)) {\n return child.parseRange(from, to, childBase);\n }\n\n from = offset;\n\n for (var j = i; j > 0; j--) {\n var prev = this.children[j - 1];\n\n if (prev.size && prev.dom.parentNode == this.contentDOM && !prev.emptyChildAt(1)) {\n fromOffset = domIndex(prev.dom) + 1;\n break;\n }\n\n from -= prev.size;\n }\n\n if (fromOffset == -1) {\n fromOffset = 0;\n }\n }\n\n if (fromOffset > -1 && to <= end) {\n to = end;\n\n for (var j$1 = i + 1; j$1 < this.children.length; j$1++) {\n var next = this.children[j$1];\n\n if (next.size && next.dom.parentNode == this.contentDOM && !next.emptyChildAt(-1)) {\n toOffset = domIndex(next.dom);\n break;\n }\n\n to += next.size;\n }\n\n if (toOffset == -1) {\n toOffset = this.contentDOM.childNodes.length;\n }\n\n break;\n }\n\n offset = end;\n }\n\n return {\n node: this.contentDOM,\n from: from,\n to: to,\n fromOffset: fromOffset,\n toOffset: toOffset\n };\n};\n\nViewDesc.prototype.emptyChildAt = function emptyChildAt(side) {\n if (this.border || !this.contentDOM || !this.children.length) {\n return false;\n }\n\n var child = this.children[side < 0 ? 0 : this.children.length - 1];\n return child.size == 0 || child.emptyChildAt(side);\n}; // : (number) → dom.Node\n\n\nViewDesc.prototype.domAfterPos = function domAfterPos(pos) {\n var ref = this.domFromPos(pos);\n var node = ref.node;\n var offset = ref.offset;\n\n if (node.nodeType != 1 || offset == node.childNodes.length) {\n throw new RangeError(\"No node after pos \" + pos);\n }\n\n return node.childNodes[offset];\n}; // : (number, number, dom.Document)\n// View descs are responsible for setting any selection that falls\n// entirely inside of them, so that custom implementations can do\n// custom things with the selection. Note that this falls apart when\n// a selection starts in such a node and ends in another, in which\n// case we just use whatever domFromPos produces as a best effort.\n\n\nViewDesc.prototype.setSelection = function setSelection(anchor, head, root, force) {\n // If the selection falls entirely in a child, give it to that child\n var from = Math.min(anchor, head),\n to = Math.max(anchor, head);\n\n for (var i = 0, offset = 0; i < this.children.length; i++) {\n var child = this.children[i],\n end = offset + child.size;\n\n if (from > offset && to < end) {\n return child.setSelection(anchor - offset - child.border, head - offset - child.border, root, force);\n }\n\n offset = end;\n }\n\n var anchorDOM = this.domFromPos(anchor),\n headDOM = this.domFromPos(head);\n var domSel = root.getSelection(),\n range = document.createRange();\n\n if (!force && isEquivalentPosition(anchorDOM.node, anchorDOM.offset, domSel.anchorNode, domSel.anchorOffset) && isEquivalentPosition(headDOM.node, headDOM.offset, domSel.focusNode, domSel.focusOffset)) {\n return;\n } // Selection.extend can be used to create an 'inverted' selection\n // (one where the focus is before the anchor), but not all\n // browsers support it yet.\n\n\n if (domSel.extend) {\n range.setEnd(anchorDOM.node, anchorDOM.offset);\n range.collapse(false);\n } else {\n if (anchor > head) {\n var tmp = anchorDOM;\n anchorDOM = headDOM;\n headDOM = tmp;\n }\n\n range.setEnd(headDOM.node, headDOM.offset);\n range.setStart(anchorDOM.node, anchorDOM.offset);\n }\n\n domSel.removeAllRanges();\n domSel.addRange(range);\n\n if (domSel.extend) {\n domSel.extend(headDOM.node, headDOM.offset);\n }\n}; // : (dom.MutationRecord) → bool\n\n\nViewDesc.prototype.ignoreMutation = function ignoreMutation(mutation) {\n return !this.contentDOM && mutation.type != \"selection\";\n};\n\nprototypeAccessors.contentLost.get = function () {\n return this.contentDOM && this.contentDOM != this.dom && !this.dom.contains(this.contentDOM);\n}; // Remove a subtree of the element tree that has been touched\n// by a DOM change, so that the next update will redraw it.\n\n\nViewDesc.prototype.markDirty = function markDirty(from, to) {\n for (var offset = 0, i = 0; i < this.children.length; i++) {\n var child = this.children[i],\n end = offset + child.size;\n\n if (offset == end ? from <= end && to >= offset : from < end && to > offset) {\n var startInside = offset + child.border,\n endInside = end - child.border;\n\n if (from >= startInside && to <= endInside) {\n this.dirty = from == offset || to == end ? CONTENT_DIRTY : CHILD_DIRTY;\n\n if (from == startInside && to == endInside && (child.contentLost || child.dom.parentNode != this.contentDOM)) {\n child.dirty = NODE_DIRTY;\n } else {\n child.markDirty(from - startInside, to - startInside);\n }\n\n return;\n } else {\n child.dirty = NODE_DIRTY;\n }\n }\n\n offset = end;\n }\n\n this.dirty = CONTENT_DIRTY;\n};\n\nViewDesc.prototype.markParentsDirty = function markParentsDirty() {\n for (var node = this.parent; node; node = node.parent) {\n var dirty = CONTENT_DIRTY;\n\n if (node.dirty < dirty) {\n node.dirty = dirty;\n }\n }\n};\n\nObject.defineProperties(ViewDesc.prototype, prototypeAccessors); // Reused array to avoid allocating fresh arrays for things that will\n// stay empty anyway.\n\nvar nothing = []; // A widget desc represents a widget decoration, which is a DOM node\n// drawn between the document nodes.\n\nvar WidgetViewDesc = /*@__PURE__*/function (ViewDesc) {\n function WidgetViewDesc(parent, widget, view, pos) {\n var self,\n dom = widget.type.toDOM;\n\n if (typeof dom == \"function\") {\n dom = dom(view, function () {\n if (!self) {\n return pos;\n }\n\n if (self.parent) {\n return self.parent.posBeforeChild(self);\n }\n });\n }\n\n if (!widget.type.spec.raw) {\n if (dom.nodeType != 1) {\n var wrap = document.createElement(\"span\");\n wrap.appendChild(dom);\n dom = wrap;\n }\n\n dom.contentEditable = false;\n dom.classList.add(\"ProseMirror-widget\");\n }\n\n ViewDesc.call(this, parent, nothing, dom, null);\n this.widget = widget;\n self = this;\n }\n\n if (ViewDesc) WidgetViewDesc.__proto__ = ViewDesc;\n WidgetViewDesc.prototype = Object.create(ViewDesc && ViewDesc.prototype);\n WidgetViewDesc.prototype.constructor = WidgetViewDesc;\n var prototypeAccessors$1 = {\n beforePosition: {\n configurable: true\n }\n };\n\n prototypeAccessors$1.beforePosition.get = function () {\n return this.widget.type.side < 0;\n };\n\n WidgetViewDesc.prototype.matchesWidget = function matchesWidget(widget) {\n return this.dirty == NOT_DIRTY && widget.type.eq(this.widget.type);\n };\n\n WidgetViewDesc.prototype.parseRule = function parseRule() {\n return {\n ignore: true\n };\n };\n\n WidgetViewDesc.prototype.stopEvent = function stopEvent(event) {\n var stop = this.widget.spec.stopEvent;\n return stop ? stop(event) : false;\n };\n\n WidgetViewDesc.prototype.ignoreMutation = function ignoreMutation(mutation) {\n return mutation.type != \"selection\" || this.widget.spec.ignoreSelection;\n };\n\n Object.defineProperties(WidgetViewDesc.prototype, prototypeAccessors$1);\n return WidgetViewDesc;\n}(ViewDesc);\n\nvar CompositionViewDesc = /*@__PURE__*/function (ViewDesc) {\n function CompositionViewDesc(parent, dom, textDOM, text) {\n ViewDesc.call(this, parent, nothing, dom, null);\n this.textDOM = textDOM;\n this.text = text;\n }\n\n if (ViewDesc) CompositionViewDesc.__proto__ = ViewDesc;\n CompositionViewDesc.prototype = Object.create(ViewDesc && ViewDesc.prototype);\n CompositionViewDesc.prototype.constructor = CompositionViewDesc;\n var prototypeAccessors$2 = {\n size: {\n configurable: true\n }\n };\n\n prototypeAccessors$2.size.get = function () {\n return this.text.length;\n };\n\n CompositionViewDesc.prototype.localPosFromDOM = function localPosFromDOM(dom, offset) {\n if (dom != this.textDOM) {\n return this.posAtStart + (offset ? this.size : 0);\n }\n\n return this.posAtStart + offset;\n };\n\n CompositionViewDesc.prototype.domFromPos = function domFromPos(pos) {\n return {\n node: this.textDOM,\n offset: pos\n };\n };\n\n CompositionViewDesc.prototype.ignoreMutation = function ignoreMutation(mut) {\n return mut.type === 'characterData' && mut.target.nodeValue == mut.oldValue;\n };\n\n Object.defineProperties(CompositionViewDesc.prototype, prototypeAccessors$2);\n return CompositionViewDesc;\n}(ViewDesc); // A mark desc represents a mark. May have multiple children,\n// depending on how the mark is split. Note that marks are drawn using\n// a fixed nesting order, for simplicity and predictability, so in\n// some cases they will be split more often than would appear\n// necessary.\n\n\nvar MarkViewDesc = /*@__PURE__*/function (ViewDesc) {\n function MarkViewDesc(parent, mark, dom, contentDOM) {\n ViewDesc.call(this, parent, [], dom, contentDOM);\n this.mark = mark;\n }\n\n if (ViewDesc) MarkViewDesc.__proto__ = ViewDesc;\n MarkViewDesc.prototype = Object.create(ViewDesc && ViewDesc.prototype);\n MarkViewDesc.prototype.constructor = MarkViewDesc;\n\n MarkViewDesc.create = function create(parent, mark, inline, view) {\n var custom = view.nodeViews[mark.type.name];\n var spec = custom && custom(mark, view, inline);\n\n if (!spec || !spec.dom) {\n spec = prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"DOMSerializer\"].renderSpec(document, mark.type.spec.toDOM(mark, inline));\n }\n\n return new MarkViewDesc(parent, mark, spec.dom, spec.contentDOM || spec.dom);\n };\n\n MarkViewDesc.prototype.parseRule = function parseRule() {\n return {\n mark: this.mark.type.name,\n attrs: this.mark.attrs,\n contentElement: this.contentDOM\n };\n };\n\n MarkViewDesc.prototype.matchesMark = function matchesMark(mark) {\n return this.dirty != NODE_DIRTY && this.mark.eq(mark);\n };\n\n MarkViewDesc.prototype.markDirty = function markDirty(from, to) {\n ViewDesc.prototype.markDirty.call(this, from, to); // Move dirty info to nearest node view\n\n if (this.dirty != NOT_DIRTY) {\n var parent = this.parent;\n\n while (!parent.node) {\n parent = parent.parent;\n }\n\n if (parent.dirty < this.dirty) {\n parent.dirty = this.dirty;\n }\n\n this.dirty = NOT_DIRTY;\n }\n };\n\n MarkViewDesc.prototype.slice = function slice(from, to, view) {\n var copy = MarkViewDesc.create(this.parent, this.mark, true, view);\n var nodes = this.children,\n size = this.size;\n\n if (to < size) {\n nodes = replaceNodes(nodes, to, size, view);\n }\n\n if (from > 0) {\n nodes = replaceNodes(nodes, 0, from, view);\n }\n\n for (var i = 0; i < nodes.length; i++) {\n nodes[i].parent = copy;\n }\n\n copy.children = nodes;\n return copy;\n };\n\n return MarkViewDesc;\n}(ViewDesc); // Node view descs are the main, most common type of view desc, and\n// correspond to an actual node in the document. Unlike mark descs,\n// they populate their child array themselves.\n\n\nvar NodeViewDesc = /*@__PURE__*/function (ViewDesc) {\n function NodeViewDesc(parent, node, outerDeco, innerDeco, dom, contentDOM, nodeDOM, view, pos) {\n ViewDesc.call(this, parent, node.isLeaf ? nothing : [], dom, contentDOM);\n this.nodeDOM = nodeDOM;\n this.node = node;\n this.outerDeco = outerDeco;\n this.innerDeco = innerDeco;\n\n if (contentDOM) {\n this.updateChildren(view, pos);\n }\n }\n\n if (ViewDesc) NodeViewDesc.__proto__ = ViewDesc;\n NodeViewDesc.prototype = Object.create(ViewDesc && ViewDesc.prototype);\n NodeViewDesc.prototype.constructor = NodeViewDesc;\n var prototypeAccessors$3 = {\n size: {\n configurable: true\n },\n border: {\n configurable: true\n }\n }; // By default, a node is rendered using the `toDOM` method from the\n // node type spec. But client code can use the `nodeViews` spec to\n // supply a custom node view, which can influence various aspects of\n // the way the node works.\n //\n // (Using subclassing for this was intentionally decided against,\n // since it'd require exposing a whole slew of finnicky\n // implementation details to the user code that they probably will\n // never need.)\n\n NodeViewDesc.create = function create(parent, node, outerDeco, innerDeco, view, pos) {\n var assign;\n var custom = view.nodeViews[node.type.name],\n descObj;\n var spec = custom && custom(node, view, function () {\n // (This is a function that allows the custom view to find its\n // own position)\n if (!descObj) {\n return pos;\n }\n\n if (descObj.parent) {\n return descObj.parent.posBeforeChild(descObj);\n }\n }, outerDeco);\n var dom = spec && spec.dom,\n contentDOM = spec && spec.contentDOM;\n\n if (node.isText) {\n if (!dom) {\n dom = document.createTextNode(node.text);\n } else if (dom.nodeType != 3) {\n throw new RangeError(\"Text must be rendered as a DOM text node\");\n }\n } else if (!dom) {\n assign = prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"DOMSerializer\"].renderSpec(document, node.type.spec.toDOM(node)), dom = assign.dom, contentDOM = assign.contentDOM;\n }\n\n if (!contentDOM && !node.isText && dom.nodeName != \"BR\") {\n // Chrome gets confused by \n if (!dom.hasAttribute(\"contenteditable\")) {\n dom.contentEditable = false;\n }\n\n if (node.type.spec.draggable) {\n dom.draggable = true;\n }\n }\n\n var nodeDOM = dom;\n dom = applyOuterDeco(dom, outerDeco, node);\n\n if (spec) {\n return descObj = new CustomNodeViewDesc(parent, node, outerDeco, innerDeco, dom, contentDOM, nodeDOM, spec, view, pos + 1);\n } else if (node.isText) {\n return new TextViewDesc(parent, node, outerDeco, innerDeco, dom, nodeDOM, view);\n } else {\n return new NodeViewDesc(parent, node, outerDeco, innerDeco, dom, contentDOM, nodeDOM, view, pos + 1);\n }\n };\n\n NodeViewDesc.prototype.parseRule = function parseRule() {\n var this$1 = this; // Experimental kludge to allow opt-in re-parsing of nodes\n\n if (this.node.type.spec.reparseInView) {\n return null;\n } // FIXME the assumption that this can always return the current\n // attrs means that if the user somehow manages to change the\n // attrs in the dom, that won't be picked up. Not entirely sure\n // whether this is a problem\n\n\n var rule = {\n node: this.node.type.name,\n attrs: this.node.attrs\n };\n\n if (this.node.type.spec.code) {\n rule.preserveWhitespace = \"full\";\n }\n\n if (this.contentDOM && !this.contentLost) {\n rule.contentElement = this.contentDOM;\n } else {\n rule.getContent = function () {\n return this$1.contentDOM ? prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty : this$1.node.content;\n };\n }\n\n return rule;\n };\n\n NodeViewDesc.prototype.matchesNode = function matchesNode(node, outerDeco, innerDeco) {\n return this.dirty == NOT_DIRTY && node.eq(this.node) && sameOuterDeco(outerDeco, this.outerDeco) && innerDeco.eq(this.innerDeco);\n };\n\n prototypeAccessors$3.size.get = function () {\n return this.node.nodeSize;\n };\n\n prototypeAccessors$3.border.get = function () {\n return this.node.isLeaf ? 0 : 1;\n }; // Syncs `this.children` to match `this.node.content` and the local\n // decorations, possibly introducing nesting for marks. Then, in a\n // separate step, syncs the DOM inside `this.contentDOM` to\n // `this.children`.\n\n\n NodeViewDesc.prototype.updateChildren = function updateChildren(view, pos) {\n var this$1 = this;\n var inline = this.node.inlineContent,\n off = pos;\n var composition = inline && view.composing && this.localCompositionNode(view, pos);\n var updater = new ViewTreeUpdater(this, composition && composition.node);\n iterDeco(this.node, this.innerDeco, function (widget, i, insideNode) {\n if (widget.spec.marks) {\n updater.syncToMarks(widget.spec.marks, inline, view);\n } else if (widget.type.side >= 0 && !insideNode) {\n updater.syncToMarks(i == this$1.node.childCount ? prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Mark\"].none : this$1.node.child(i).marks, inline, view);\n } // If the next node is a desc matching this widget, reuse it,\n // otherwise insert the widget as a new view desc.\n\n\n updater.placeWidget(widget, view, off);\n }, function (child, outerDeco, innerDeco, i) {\n // Make sure the wrapping mark descs match the node's marks.\n updater.syncToMarks(child.marks, inline, view); // Either find an existing desc that exactly matches this node,\n // and drop the descs before it.\n\n updater.findNodeMatch(child, outerDeco, innerDeco, i) || // Or try updating the next desc to reflect this node.\n updater.updateNextNode(child, outerDeco, innerDeco, view, i) || // Or just add it as a new desc.\n updater.addNode(child, outerDeco, innerDeco, view, off);\n off += child.nodeSize;\n }); // Drop all remaining descs after the current position.\n\n updater.syncToMarks(nothing, inline, view);\n\n if (this.node.isTextblock) {\n updater.addTextblockHacks();\n }\n\n updater.destroyRest(); // Sync the DOM if anything changed\n\n if (updater.changed || this.dirty == CONTENT_DIRTY) {\n // May have to protect focused DOM from being changed if a composition is active\n if (composition) {\n this.protectLocalComposition(view, composition);\n }\n\n this.renderChildren();\n }\n };\n\n NodeViewDesc.prototype.renderChildren = function renderChildren() {\n renderDescs(this.contentDOM, this.children);\n\n if (result.ios) {\n iosHacks(this.dom);\n }\n };\n\n NodeViewDesc.prototype.localCompositionNode = function localCompositionNode(view, pos) {\n // Only do something if both the selection and a focused text node\n // are inside of this node, and the node isn't already part of a\n // view that's a child of this view\n var ref = view.state.selection;\n var from = ref.from;\n var to = ref.to;\n\n if (!(view.state.selection instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"]) || from < pos || to > pos + this.node.content.size) {\n return;\n }\n\n var sel = view.root.getSelection();\n var textNode = nearbyTextNode(sel.focusNode, sel.focusOffset);\n\n if (!textNode || !this.dom.contains(textNode.parentNode)) {\n return;\n } // Find the text in the focused node in the node, stop if it's not\n // there (may have been modified through other means, in which\n // case it should overwritten)\n\n\n var text = textNode.nodeValue;\n var textPos = findTextInFragment(this.node.content, text, from - pos, to - pos);\n return textPos < 0 ? null : {\n node: textNode,\n pos: textPos,\n text: text\n };\n };\n\n NodeViewDesc.prototype.protectLocalComposition = function protectLocalComposition(view, ref) {\n var node = ref.node;\n var pos = ref.pos;\n var text = ref.text; // The node is already part of a local view desc, leave it there\n\n if (this.getDesc(node)) {\n return;\n } // Create a composition view for the orphaned nodes\n\n\n var topNode = node;\n\n for (;; topNode = topNode.parentNode) {\n if (topNode.parentNode == this.contentDOM) {\n break;\n }\n\n while (topNode.previousSibling) {\n topNode.parentNode.removeChild(topNode.previousSibling);\n }\n\n while (topNode.nextSibling) {\n topNode.parentNode.removeChild(topNode.nextSibling);\n }\n\n if (topNode.pmViewDesc) {\n topNode.pmViewDesc = null;\n }\n }\n\n var desc = new CompositionViewDesc(this, topNode, node, text);\n view.compositionNodes.push(desc); // Patch up this.children to contain the composition view\n\n this.children = replaceNodes(this.children, pos, pos + text.length, view, desc);\n }; // : (Node, [Decoration], DecorationSet, EditorView) → bool\n // If this desc be updated to match the given node decoration,\n // do so and return true.\n\n\n NodeViewDesc.prototype.update = function update(node, outerDeco, innerDeco, view) {\n if (this.dirty == NODE_DIRTY || !node.sameMarkup(this.node)) {\n return false;\n }\n\n this.updateInner(node, outerDeco, innerDeco, view);\n return true;\n };\n\n NodeViewDesc.prototype.updateInner = function updateInner(node, outerDeco, innerDeco, view) {\n this.updateOuterDeco(outerDeco);\n this.node = node;\n this.innerDeco = innerDeco;\n\n if (this.contentDOM) {\n this.updateChildren(view, this.posAtStart);\n }\n\n this.dirty = NOT_DIRTY;\n };\n\n NodeViewDesc.prototype.updateOuterDeco = function updateOuterDeco(outerDeco) {\n if (sameOuterDeco(outerDeco, this.outerDeco)) {\n return;\n }\n\n var needsWrap = this.nodeDOM.nodeType != 1;\n var oldDOM = this.dom;\n this.dom = patchOuterDeco(this.dom, this.nodeDOM, computeOuterDeco(this.outerDeco, this.node, needsWrap), computeOuterDeco(outerDeco, this.node, needsWrap));\n\n if (this.dom != oldDOM) {\n oldDOM.pmViewDesc = null;\n this.dom.pmViewDesc = this;\n }\n\n this.outerDeco = outerDeco;\n }; // Mark this node as being the selected node.\n\n\n NodeViewDesc.prototype.selectNode = function selectNode() {\n this.nodeDOM.classList.add(\"ProseMirror-selectednode\");\n\n if (this.contentDOM || !this.node.type.spec.draggable) {\n this.dom.draggable = true;\n }\n }; // Remove selected node marking from this node.\n\n\n NodeViewDesc.prototype.deselectNode = function deselectNode() {\n this.nodeDOM.classList.remove(\"ProseMirror-selectednode\");\n\n if (this.contentDOM || !this.node.type.spec.draggable) {\n this.dom.draggable = false;\n }\n };\n\n Object.defineProperties(NodeViewDesc.prototype, prototypeAccessors$3);\n return NodeViewDesc;\n}(ViewDesc); // Create a view desc for the top-level document node, to be exported\n// and used by the view class.\n\n\nfunction docViewDesc(doc, outerDeco, innerDeco, dom, view) {\n applyOuterDeco(dom, outerDeco, doc);\n return new NodeViewDesc(null, doc, outerDeco, innerDeco, dom, dom, dom, view, 0);\n}\n\nvar TextViewDesc = /*@__PURE__*/function (NodeViewDesc) {\n function TextViewDesc(parent, node, outerDeco, innerDeco, dom, nodeDOM, view) {\n NodeViewDesc.call(this, parent, node, outerDeco, innerDeco, dom, null, nodeDOM, view);\n }\n\n if (NodeViewDesc) TextViewDesc.__proto__ = NodeViewDesc;\n TextViewDesc.prototype = Object.create(NodeViewDesc && NodeViewDesc.prototype);\n TextViewDesc.prototype.constructor = TextViewDesc;\n\n TextViewDesc.prototype.parseRule = function parseRule() {\n return {\n skip: this.nodeDOM.parentNode || true\n };\n };\n\n TextViewDesc.prototype.update = function update(node, outerDeco) {\n if (this.dirty == NODE_DIRTY || this.dirty != NOT_DIRTY && !this.inParent() || !node.sameMarkup(this.node)) {\n return false;\n }\n\n this.updateOuterDeco(outerDeco);\n\n if ((this.dirty != NOT_DIRTY || node.text != this.node.text) && node.text != this.nodeDOM.nodeValue) {\n this.nodeDOM.nodeValue = node.text;\n }\n\n this.node = node;\n this.dirty = NOT_DIRTY;\n return true;\n };\n\n TextViewDesc.prototype.inParent = function inParent() {\n var parentDOM = this.parent.contentDOM;\n\n for (var n = this.nodeDOM; n; n = n.parentNode) {\n if (n == parentDOM) {\n return true;\n }\n }\n\n return false;\n };\n\n TextViewDesc.prototype.domFromPos = function domFromPos(pos) {\n return {\n node: this.nodeDOM,\n offset: pos\n };\n };\n\n TextViewDesc.prototype.localPosFromDOM = function localPosFromDOM(dom, offset, bias) {\n if (dom == this.nodeDOM) {\n return this.posAtStart + Math.min(offset, this.node.text.length);\n }\n\n return NodeViewDesc.prototype.localPosFromDOM.call(this, dom, offset, bias);\n };\n\n TextViewDesc.prototype.ignoreMutation = function ignoreMutation(mutation) {\n return mutation.type != \"characterData\" && mutation.type != \"selection\";\n };\n\n TextViewDesc.prototype.slice = function slice(from, to, view) {\n var node = this.node.cut(from, to),\n dom = document.createTextNode(node.text);\n return new TextViewDesc(this.parent, node, this.outerDeco, this.innerDeco, dom, dom, view);\n };\n\n return TextViewDesc;\n}(NodeViewDesc); // A dummy desc used to tag trailing BR or span nodes created to work\n// around contentEditable terribleness.\n\n\nvar BRHackViewDesc = /*@__PURE__*/function (ViewDesc) {\n function BRHackViewDesc() {\n ViewDesc.apply(this, arguments);\n }\n\n if (ViewDesc) BRHackViewDesc.__proto__ = ViewDesc;\n BRHackViewDesc.prototype = Object.create(ViewDesc && ViewDesc.prototype);\n BRHackViewDesc.prototype.constructor = BRHackViewDesc;\n\n BRHackViewDesc.prototype.parseRule = function parseRule() {\n return {\n ignore: true\n };\n };\n\n BRHackViewDesc.prototype.matchesHack = function matchesHack() {\n return this.dirty == NOT_DIRTY;\n };\n\n return BRHackViewDesc;\n}(ViewDesc); // A separate subclass is used for customized node views, so that the\n// extra checks only have to be made for nodes that are actually\n// customized.\n\n\nvar CustomNodeViewDesc = /*@__PURE__*/function (NodeViewDesc) {\n function CustomNodeViewDesc(parent, node, outerDeco, innerDeco, dom, contentDOM, nodeDOM, spec, view, pos) {\n NodeViewDesc.call(this, parent, node, outerDeco, innerDeco, dom, contentDOM, nodeDOM, view, pos);\n this.spec = spec;\n }\n\n if (NodeViewDesc) CustomNodeViewDesc.__proto__ = NodeViewDesc;\n CustomNodeViewDesc.prototype = Object.create(NodeViewDesc && NodeViewDesc.prototype);\n CustomNodeViewDesc.prototype.constructor = CustomNodeViewDesc; // A custom `update` method gets to decide whether the update goes\n // through. If it does, and there's a `contentDOM` node, our logic\n // updates the children.\n\n CustomNodeViewDesc.prototype.update = function update(node, outerDeco, innerDeco, view) {\n if (this.dirty == NODE_DIRTY) {\n return false;\n }\n\n if (this.spec.update) {\n var result = this.spec.update(node, outerDeco);\n\n if (result) {\n this.updateInner(node, outerDeco, innerDeco, view);\n }\n\n return result;\n } else if (!this.contentDOM && !node.isLeaf) {\n return false;\n } else {\n return NodeViewDesc.prototype.update.call(this, node, outerDeco, innerDeco, view);\n }\n };\n\n CustomNodeViewDesc.prototype.selectNode = function selectNode() {\n this.spec.selectNode ? this.spec.selectNode() : NodeViewDesc.prototype.selectNode.call(this);\n };\n\n CustomNodeViewDesc.prototype.deselectNode = function deselectNode() {\n this.spec.deselectNode ? this.spec.deselectNode() : NodeViewDesc.prototype.deselectNode.call(this);\n };\n\n CustomNodeViewDesc.prototype.setSelection = function setSelection(anchor, head, root, force) {\n this.spec.setSelection ? this.spec.setSelection(anchor, head, root) : NodeViewDesc.prototype.setSelection.call(this, anchor, head, root, force);\n };\n\n CustomNodeViewDesc.prototype.destroy = function destroy() {\n if (this.spec.destroy) {\n this.spec.destroy();\n }\n\n NodeViewDesc.prototype.destroy.call(this);\n };\n\n CustomNodeViewDesc.prototype.stopEvent = function stopEvent(event) {\n return this.spec.stopEvent ? this.spec.stopEvent(event) : false;\n };\n\n CustomNodeViewDesc.prototype.ignoreMutation = function ignoreMutation(mutation) {\n return this.spec.ignoreMutation ? this.spec.ignoreMutation(mutation) : NodeViewDesc.prototype.ignoreMutation.call(this, mutation);\n };\n\n return CustomNodeViewDesc;\n}(NodeViewDesc); // : (dom.Node, [ViewDesc])\n// Sync the content of the given DOM node with the nodes associated\n// with the given array of view descs, recursing into mark descs\n// because this should sync the subtree for a whole node at a time.\n\n\nfunction renderDescs(parentDOM, descs) {\n var dom = parentDOM.firstChild;\n\n for (var i = 0; i < descs.length; i++) {\n var desc = descs[i],\n childDOM = desc.dom;\n\n if (childDOM.parentNode == parentDOM) {\n while (childDOM != dom) {\n dom = rm(dom);\n }\n\n dom = dom.nextSibling;\n } else {\n parentDOM.insertBefore(childDOM, dom);\n }\n\n if (desc instanceof MarkViewDesc) {\n var pos = dom ? dom.previousSibling : parentDOM.lastChild;\n renderDescs(desc.contentDOM, desc.children);\n dom = pos ? pos.nextSibling : parentDOM.firstChild;\n }\n }\n\n while (dom) {\n dom = rm(dom);\n }\n}\n\nfunction OuterDecoLevel(nodeName) {\n if (nodeName) {\n this.nodeName = nodeName;\n }\n}\n\nOuterDecoLevel.prototype = Object.create(null);\nvar noDeco = [new OuterDecoLevel()];\n\nfunction computeOuterDeco(outerDeco, node, needsWrap) {\n if (outerDeco.length == 0) {\n return noDeco;\n }\n\n var top = needsWrap ? noDeco[0] : new OuterDecoLevel(),\n result = [top];\n\n for (var i = 0; i < outerDeco.length; i++) {\n var attrs = outerDeco[i].type.attrs,\n cur = top;\n\n if (!attrs) {\n continue;\n }\n\n if (attrs.nodeName) {\n result.push(cur = new OuterDecoLevel(attrs.nodeName));\n }\n\n for (var name in attrs) {\n var val = attrs[name];\n\n if (val == null) {\n continue;\n }\n\n if (needsWrap && result.length == 1) {\n result.push(cur = top = new OuterDecoLevel(node.isInline ? \"span\" : \"div\"));\n }\n\n if (name == \"class\") {\n cur[\"class\"] = (cur[\"class\"] ? cur[\"class\"] + \" \" : \"\") + val;\n } else if (name == \"style\") {\n cur.style = (cur.style ? cur.style + \";\" : \"\") + val;\n } else if (name != \"nodeName\") {\n cur[name] = val;\n }\n }\n }\n\n return result;\n}\n\nfunction patchOuterDeco(outerDOM, nodeDOM, prevComputed, curComputed) {\n // Shortcut for trivial case\n if (prevComputed == noDeco && curComputed == noDeco) {\n return nodeDOM;\n }\n\n var curDOM = nodeDOM;\n\n for (var i = 0; i < curComputed.length; i++) {\n var deco = curComputed[i],\n prev = prevComputed[i];\n\n if (i) {\n var parent = void 0;\n\n if (prev && prev.nodeName == deco.nodeName && curDOM != outerDOM && (parent = curDOM.parentNode) && parent.tagName.toLowerCase() == deco.nodeName) {\n curDOM = parent;\n } else {\n parent = document.createElement(deco.nodeName);\n parent.appendChild(curDOM);\n prev = noDeco[0];\n curDOM = parent;\n }\n }\n\n patchAttributes(curDOM, prev || noDeco[0], deco);\n }\n\n return curDOM;\n}\n\nfunction patchAttributes(dom, prev, cur) {\n for (var name in prev) {\n if (name != \"class\" && name != \"style\" && name != \"nodeName\" && !(name in cur)) {\n dom.removeAttribute(name);\n }\n }\n\n for (var name$1 in cur) {\n if (name$1 != \"class\" && name$1 != \"style\" && name$1 != \"nodeName\" && cur[name$1] != prev[name$1]) {\n dom.setAttribute(name$1, cur[name$1]);\n }\n }\n\n if (prev[\"class\"] != cur[\"class\"]) {\n var prevList = prev[\"class\"] ? prev[\"class\"].split(\" \") : nothing;\n var curList = cur[\"class\"] ? cur[\"class\"].split(\" \") : nothing;\n\n for (var i = 0; i < prevList.length; i++) {\n if (curList.indexOf(prevList[i]) == -1) {\n dom.classList.remove(prevList[i]);\n }\n }\n\n for (var i$1 = 0; i$1 < curList.length; i$1++) {\n if (prevList.indexOf(curList[i$1]) == -1) {\n dom.classList.add(curList[i$1]);\n }\n }\n }\n\n if (prev.style != cur.style) {\n if (prev.style) {\n var prop = /\\s*([\\w\\-\\xa1-\\uffff]+)\\s*:(?:\"(?:\\\\.|[^\"])*\"|'(?:\\\\.|[^'])*'|\\(.*?\\)|[^;])*/g,\n m;\n\n while (m = prop.exec(prev.style)) {\n dom.style.removeProperty(m[1]);\n }\n }\n\n if (cur.style) {\n dom.style.cssText += cur.style;\n }\n }\n}\n\nfunction applyOuterDeco(dom, deco, node) {\n return patchOuterDeco(dom, dom, noDeco, computeOuterDeco(deco, node, dom.nodeType != 1));\n} // : ([Decoration], [Decoration]) → bool\n\n\nfunction sameOuterDeco(a, b) {\n if (a.length != b.length) {\n return false;\n }\n\n for (var i = 0; i < a.length; i++) {\n if (!a[i].type.eq(b[i].type)) {\n return false;\n }\n }\n\n return true;\n} // Remove a DOM node and return its next sibling.\n\n\nfunction rm(dom) {\n var next = dom.nextSibling;\n dom.parentNode.removeChild(dom);\n return next;\n} // Helper class for incrementally updating a tree of mark descs and\n// the widget and node descs inside of them.\n\n\nvar ViewTreeUpdater = function ViewTreeUpdater(top, lockedNode) {\n this.top = top;\n this.lock = lockedNode; // Index into `this.top`'s child array, represents the current\n // update position.\n\n this.index = 0; // When entering a mark, the current top and index are pushed\n // onto this.\n\n this.stack = []; // Tracks whether anything was changed\n\n this.changed = false;\n var pre = preMatch(top.node.content, top.children);\n this.preMatched = pre.nodes;\n this.preMatchOffset = pre.offset;\n};\n\nViewTreeUpdater.prototype.getPreMatch = function getPreMatch(index) {\n return index >= this.preMatchOffset ? this.preMatched[index - this.preMatchOffset] : null;\n}; // Destroy and remove the children between the given indices in\n// `this.top`.\n\n\nViewTreeUpdater.prototype.destroyBetween = function destroyBetween(start, end) {\n if (start == end) {\n return;\n }\n\n for (var i = start; i < end; i++) {\n this.top.children[i].destroy();\n }\n\n this.top.children.splice(start, end - start);\n this.changed = true;\n}; // Destroy all remaining children in `this.top`.\n\n\nViewTreeUpdater.prototype.destroyRest = function destroyRest() {\n this.destroyBetween(this.index, this.top.children.length);\n}; // : ([Mark], EditorView)\n// Sync the current stack of mark descs with the given array of\n// marks, reusing existing mark descs when possible.\n\n\nViewTreeUpdater.prototype.syncToMarks = function syncToMarks(marks, inline, view) {\n var keep = 0,\n depth = this.stack.length >> 1;\n var maxKeep = Math.min(depth, marks.length);\n\n while (keep < maxKeep && (keep == depth - 1 ? this.top : this.stack[keep + 1 << 1]).matchesMark(marks[keep]) && marks[keep].type.spec.spanning !== false) {\n keep++;\n }\n\n while (keep < depth) {\n this.destroyRest();\n this.top.dirty = NOT_DIRTY;\n this.index = this.stack.pop();\n this.top = this.stack.pop();\n depth--;\n }\n\n while (depth < marks.length) {\n this.stack.push(this.top, this.index + 1);\n var found = -1;\n\n for (var i = this.index; i < Math.min(this.index + 3, this.top.children.length); i++) {\n if (this.top.children[i].matchesMark(marks[depth])) {\n found = i;\n break;\n }\n }\n\n if (found > -1) {\n if (found > this.index) {\n this.changed = true;\n this.destroyBetween(this.index, found);\n }\n\n this.top = this.top.children[this.index];\n } else {\n var markDesc = MarkViewDesc.create(this.top, marks[depth], inline, view);\n this.top.children.splice(this.index, 0, markDesc);\n this.top = markDesc;\n this.changed = true;\n }\n\n this.index = 0;\n depth++;\n }\n}; // : (Node, [Decoration], DecorationSet) → bool\n// Try to find a node desc matching the given data. Skip over it and\n// return true when successful.\n\n\nViewTreeUpdater.prototype.findNodeMatch = function findNodeMatch(node, outerDeco, innerDeco, index) {\n var found = -1,\n preMatch = index < 0 ? undefined : this.getPreMatch(index),\n children = this.top.children;\n\n if (preMatch && preMatch.matchesNode(node, outerDeco, innerDeco)) {\n found = children.indexOf(preMatch);\n } else {\n for (var i = this.index, e = Math.min(children.length, i + 5); i < e; i++) {\n var child = children[i];\n\n if (child.matchesNode(node, outerDeco, innerDeco) && this.preMatched.indexOf(child) < 0) {\n found = i;\n break;\n }\n }\n }\n\n if (found < 0) {\n return false;\n }\n\n this.destroyBetween(this.index, found);\n this.index++;\n return true;\n}; // : (Node, [Decoration], DecorationSet, EditorView, Fragment, number) → bool\n// Try to update the next node, if any, to the given data. Checks\n// pre-matches to avoid overwriting nodes that could still be used.\n\n\nViewTreeUpdater.prototype.updateNextNode = function updateNextNode(node, outerDeco, innerDeco, view, index) {\n if (this.index == this.top.children.length) {\n return false;\n }\n\n var next = this.top.children[this.index];\n\n if (next instanceof NodeViewDesc) {\n var preMatch = this.preMatched.indexOf(next);\n\n if (preMatch > -1 && preMatch + this.preMatchOffset != index) {\n return false;\n }\n\n var nextDOM = next.dom; // Can't update if nextDOM is or contains this.lock, except if\n // it's a text node whose content already matches the new text\n // and whose decorations match the new ones.\n\n var locked = this.lock && (nextDOM == this.lock || nextDOM.nodeType == 1 && nextDOM.contains(this.lock.parentNode)) && !(node.isText && next.node && next.node.isText && next.nodeDOM.nodeValue == node.text && next.dirty != NODE_DIRTY && sameOuterDeco(outerDeco, next.outerDeco));\n\n if (!locked && next.update(node, outerDeco, innerDeco, view)) {\n if (next.dom != nextDOM) {\n this.changed = true;\n }\n\n this.index++;\n return true;\n }\n }\n\n return false;\n}; // : (Node, [Decoration], DecorationSet, EditorView)\n// Insert the node as a newly created node desc.\n\n\nViewTreeUpdater.prototype.addNode = function addNode(node, outerDeco, innerDeco, view, pos) {\n this.top.children.splice(this.index++, 0, NodeViewDesc.create(this.top, node, outerDeco, innerDeco, view, pos));\n this.changed = true;\n};\n\nViewTreeUpdater.prototype.placeWidget = function placeWidget(widget, view, pos) {\n if (this.index < this.top.children.length && this.top.children[this.index].matchesWidget(widget)) {\n this.index++;\n } else {\n var desc = new WidgetViewDesc(this.top, widget, view, pos);\n this.top.children.splice(this.index++, 0, desc);\n this.changed = true;\n }\n}; // Make sure a textblock looks and behaves correctly in\n// contentEditable.\n\n\nViewTreeUpdater.prototype.addTextblockHacks = function addTextblockHacks() {\n var lastChild = this.top.children[this.index - 1];\n\n while (lastChild instanceof MarkViewDesc) {\n lastChild = lastChild.children[lastChild.children.length - 1];\n }\n\n if (!lastChild || // Empty textblock\n !(lastChild instanceof TextViewDesc) || /\\n$/.test(lastChild.node.text)) {\n if (this.index < this.top.children.length && this.top.children[this.index].matchesHack()) {\n this.index++;\n } else {\n var dom = document.createElement(\"br\");\n this.top.children.splice(this.index++, 0, new BRHackViewDesc(this.top, nothing, dom, null));\n this.changed = true;\n }\n }\n}; // : (Fragment, [ViewDesc]) → [ViewDesc]\n// Iterate from the end of the fragment and array of descs to find\n// directly matching ones, in order to avoid overeagerly reusing\n// those for other nodes. Returns an array whose positions correspond\n// to node positions in the fragment, and whose elements are either\n// descs matched to the child at that index, or empty.\n\n\nfunction preMatch(frag, descs) {\n var result = [],\n end = frag.childCount;\n\n for (var i = descs.length - 1; end > 0 && i >= 0; i--) {\n var desc = descs[i],\n node = desc.node;\n\n if (!node) {\n continue;\n }\n\n if (node != frag.child(end - 1)) {\n break;\n }\n\n result.push(desc);\n --end;\n }\n\n return {\n nodes: result.reverse(),\n offset: end\n };\n}\n\nfunction compareSide(a, b) {\n return a.type.side - b.type.side;\n} // : (ViewDesc, DecorationSet, (Decoration, number), (Node, [Decoration], DecorationSet, number))\n// This function abstracts iterating over the nodes and decorations in\n// a fragment. Calls `onNode` for each node, with its local and child\n// decorations. Splits text nodes when there is a decoration starting\n// or ending inside of them. Calls `onWidget` for each widget.\n\n\nfunction iterDeco(parent, deco, onWidget, onNode) {\n var locals = deco.locals(parent),\n offset = 0; // Simple, cheap variant for when there are no local decorations\n\n if (locals.length == 0) {\n for (var i = 0; i < parent.childCount; i++) {\n var child = parent.child(i);\n onNode(child, locals, deco.forChild(offset, child), i);\n offset += child.nodeSize;\n }\n\n return;\n }\n\n var decoIndex = 0,\n active = [],\n restNode = null;\n\n for (var parentIndex = 0;;) {\n if (decoIndex < locals.length && locals[decoIndex].to == offset) {\n var widget = locals[decoIndex++],\n widgets = void 0;\n\n while (decoIndex < locals.length && locals[decoIndex].to == offset) {\n (widgets || (widgets = [widget])).push(locals[decoIndex++]);\n }\n\n if (widgets) {\n widgets.sort(compareSide);\n\n for (var i$1 = 0; i$1 < widgets.length; i$1++) {\n onWidget(widgets[i$1], parentIndex, !!restNode);\n }\n } else {\n onWidget(widget, parentIndex, !!restNode);\n }\n }\n\n var child$1 = void 0,\n index = void 0;\n\n if (restNode) {\n index = -1;\n child$1 = restNode;\n restNode = null;\n } else if (parentIndex < parent.childCount) {\n index = parentIndex;\n child$1 = parent.child(parentIndex++);\n } else {\n break;\n }\n\n for (var i$2 = 0; i$2 < active.length; i$2++) {\n if (active[i$2].to <= offset) {\n active.splice(i$2--, 1);\n }\n }\n\n while (decoIndex < locals.length && locals[decoIndex].from == offset) {\n active.push(locals[decoIndex++]);\n }\n\n var end = offset + child$1.nodeSize;\n\n if (child$1.isText) {\n var cutAt = end;\n\n if (decoIndex < locals.length && locals[decoIndex].from < cutAt) {\n cutAt = locals[decoIndex].from;\n }\n\n for (var i$3 = 0; i$3 < active.length; i$3++) {\n if (active[i$3].to < cutAt) {\n cutAt = active[i$3].to;\n }\n }\n\n if (cutAt < end) {\n restNode = child$1.cut(cutAt - offset);\n child$1 = child$1.cut(0, cutAt - offset);\n end = cutAt;\n index = -1;\n }\n }\n\n onNode(child$1, active.length ? active.slice() : nothing, deco.forChild(offset, child$1), index);\n offset = end;\n }\n} // List markers in Mobile Safari will mysteriously disappear\n// sometimes. This works around that.\n\n\nfunction iosHacks(dom) {\n if (dom.nodeName == \"UL\" || dom.nodeName == \"OL\") {\n var oldCSS = dom.style.cssText;\n dom.style.cssText = oldCSS + \"; list-style: square !important\";\n window.getComputedStyle(dom).listStyle;\n dom.style.cssText = oldCSS;\n }\n}\n\nfunction nearbyTextNode(node, offset) {\n for (;;) {\n if (node.nodeType == 3) {\n return node;\n }\n\n if (node.nodeType == 1 && offset > 0) {\n if (node.childNodes.length > offset && node.childNodes[offset].nodeType == 3) {\n return node.childNodes[offset];\n }\n\n node = node.childNodes[offset - 1];\n offset = nodeSize(node);\n } else if (node.nodeType == 1 && offset < node.childNodes.length) {\n node = node.childNodes[offset];\n offset = 0;\n } else {\n return null;\n }\n }\n} // Find a piece of text in an inline fragment, overlapping from-to\n\n\nfunction findTextInFragment(frag, text, from, to) {\n for (var i = 0, pos = 0; i < frag.childCount && pos <= to;) {\n var child = frag.child(i++),\n childStart = pos;\n pos += child.nodeSize;\n\n if (!child.isText) {\n continue;\n }\n\n var str = child.text;\n\n while (i < frag.childCount) {\n var next = frag.child(i++);\n pos += next.nodeSize;\n\n if (!next.isText) {\n break;\n }\n\n str += next.text;\n }\n\n if (pos >= from) {\n var found = str.lastIndexOf(text, to - childStart);\n\n if (found >= 0 && found + text.length + childStart >= from) {\n return childStart + found;\n }\n }\n }\n\n return -1;\n} // Replace range from-to in an array of view descs with replacement\n// (may be null to just delete). This goes very much against the grain\n// of the rest of this code, which tends to create nodes with the\n// right shape in one go, rather than messing with them after\n// creation, but is necessary in the composition hack.\n\n\nfunction replaceNodes(nodes, from, to, view, replacement) {\n var result = [];\n\n for (var i = 0, off = 0; i < nodes.length; i++) {\n var child = nodes[i],\n start = off,\n end = off += child.size;\n\n if (start >= to || end <= from) {\n result.push(child);\n } else {\n if (start < from) {\n result.push(child.slice(0, from - start, view));\n }\n\n if (replacement) {\n result.push(replacement);\n replacement = null;\n }\n\n if (end > to) {\n result.push(child.slice(to - start, child.size, view));\n }\n }\n }\n\n return result;\n}\n\nfunction moveSelectionBlock(state, dir) {\n var ref = state.selection;\n var $anchor = ref.$anchor;\n var $head = ref.$head;\n var $side = dir > 0 ? $anchor.max($head) : $anchor.min($head);\n var $start = !$side.parent.inlineContent ? $side : $side.depth ? state.doc.resolve(dir > 0 ? $side.after() : $side.before()) : null;\n return $start && prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"Selection\"].findFrom($start, dir);\n}\n\nfunction apply(view, sel) {\n view.dispatch(view.state.tr.setSelection(sel).scrollIntoView());\n return true;\n}\n\nfunction selectHorizontally(view, dir, mods) {\n var sel = view.state.selection;\n\n if (sel instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"]) {\n if (!sel.empty || mods.indexOf(\"s\") > -1) {\n return false;\n } else if (view.endOfTextblock(dir > 0 ? \"right\" : \"left\")) {\n var next = moveSelectionBlock(view.state, dir);\n\n if (next && next instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"NodeSelection\"]) {\n return apply(view, next);\n }\n\n return false;\n } else {\n var $head = sel.$head,\n node = $head.textOffset ? null : dir < 0 ? $head.nodeBefore : $head.nodeAfter,\n desc;\n\n if (!node || node.isText) {\n return false;\n }\n\n var nodePos = dir < 0 ? $head.pos - node.nodeSize : $head.pos;\n\n if (!(node.isAtom || (desc = view.docView.descAt(nodePos)) && !desc.contentDOM)) {\n return false;\n }\n\n if (prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"NodeSelection\"].isSelectable(node)) {\n return apply(view, new prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"NodeSelection\"](dir < 0 ? view.state.doc.resolve($head.pos - node.nodeSize) : $head));\n } else if (result.webkit) {\n // Chrome and Safari will introduce extra pointless cursor\n // positions around inline uneditable nodes, so we have to\n // take over and move the cursor past them (#937)\n return apply(view, new prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"](view.state.doc.resolve(dir < 0 ? nodePos : nodePos + node.nodeSize)));\n } else {\n return false;\n }\n }\n } else if (sel instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"NodeSelection\"] && sel.node.isInline) {\n return apply(view, new prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"](dir > 0 ? sel.$to : sel.$from));\n } else {\n var next$1 = moveSelectionBlock(view.state, dir);\n\n if (next$1) {\n return apply(view, next$1);\n }\n\n return false;\n }\n}\n\nfunction nodeLen(node) {\n return node.nodeType == 3 ? node.nodeValue.length : node.childNodes.length;\n}\n\nfunction isIgnorable(dom) {\n var desc = dom.pmViewDesc;\n return desc && desc.size == 0 && (dom.nextSibling || dom.nodeName != \"BR\");\n} // Make sure the cursor isn't directly after one or more ignored\n// nodes, which will confuse the browser's cursor motion logic.\n\n\nfunction skipIgnoredNodesLeft(view) {\n var sel = view.root.getSelection();\n var node = sel.focusNode,\n offset = sel.focusOffset;\n\n if (!node) {\n return;\n }\n\n var moveNode,\n moveOffset,\n force = false; // Gecko will do odd things when the selection is directly in front\n // of a non-editable node, so in that case, move it into the next\n // node if possible. Issue prosemirror/prosemirror#832.\n\n if (result.gecko && node.nodeType == 1 && offset < nodeLen(node) && isIgnorable(node.childNodes[offset])) {\n force = true;\n }\n\n for (;;) {\n if (offset > 0) {\n if (node.nodeType != 1) {\n break;\n } else {\n var before = node.childNodes[offset - 1];\n\n if (isIgnorable(before)) {\n moveNode = node;\n moveOffset = --offset;\n } else if (before.nodeType == 3) {\n node = before;\n offset = node.nodeValue.length;\n } else {\n break;\n }\n }\n } else if (isBlockNode(node)) {\n break;\n } else {\n var prev = node.previousSibling;\n\n while (prev && isIgnorable(prev)) {\n moveNode = node.parentNode;\n moveOffset = domIndex(prev);\n prev = prev.previousSibling;\n }\n\n if (!prev) {\n node = node.parentNode;\n\n if (node == view.dom) {\n break;\n }\n\n offset = 0;\n } else {\n node = prev;\n offset = nodeLen(node);\n }\n }\n }\n\n if (force) {\n setSelFocus(view, sel, node, offset);\n } else if (moveNode) {\n setSelFocus(view, sel, moveNode, moveOffset);\n }\n} // Make sure the cursor isn't directly before one or more ignored\n// nodes.\n\n\nfunction skipIgnoredNodesRight(view) {\n var sel = view.root.getSelection();\n var node = sel.focusNode,\n offset = sel.focusOffset;\n\n if (!node) {\n return;\n }\n\n var len = nodeLen(node);\n var moveNode, moveOffset;\n\n for (;;) {\n if (offset < len) {\n if (node.nodeType != 1) {\n break;\n }\n\n var after = node.childNodes[offset];\n\n if (isIgnorable(after)) {\n moveNode = node;\n moveOffset = ++offset;\n } else {\n break;\n }\n } else if (isBlockNode(node)) {\n break;\n } else {\n var next = node.nextSibling;\n\n while (next && isIgnorable(next)) {\n moveNode = next.parentNode;\n moveOffset = domIndex(next) + 1;\n next = next.nextSibling;\n }\n\n if (!next) {\n node = node.parentNode;\n\n if (node == view.dom) {\n break;\n }\n\n offset = len = 0;\n } else {\n node = next;\n offset = 0;\n len = nodeLen(node);\n }\n }\n }\n\n if (moveNode) {\n setSelFocus(view, sel, moveNode, moveOffset);\n }\n}\n\nfunction isBlockNode(dom) {\n var desc = dom.pmViewDesc;\n return desc && desc.node && desc.node.isBlock;\n}\n\nfunction setSelFocus(view, sel, node, offset) {\n if (selectionCollapsed(sel)) {\n var range = document.createRange();\n range.setEnd(node, offset);\n range.setStart(node, offset);\n sel.removeAllRanges();\n sel.addRange(range);\n } else if (sel.extend) {\n sel.extend(node, offset);\n }\n\n view.domObserver.setCurSelection();\n} // : (EditorState, number)\n// Check whether vertical selection motion would involve node\n// selections. If so, apply it (if not, the result is left to the\n// browser)\n\n\nfunction selectVertically(view, dir, mods) {\n var sel = view.state.selection;\n\n if (sel instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"] && !sel.empty || mods.indexOf(\"s\") > -1) {\n return false;\n }\n\n var $from = sel.$from;\n var $to = sel.$to;\n\n if (!$from.parent.inlineContent || view.endOfTextblock(dir < 0 ? \"up\" : \"down\")) {\n var next = moveSelectionBlock(view.state, dir);\n\n if (next && next instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"NodeSelection\"]) {\n return apply(view, next);\n }\n }\n\n if (!$from.parent.inlineContent) {\n var beyond = prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"Selection\"].findFrom(dir < 0 ? $from : $to, dir);\n return beyond ? apply(view, beyond) : true;\n }\n\n return false;\n}\n\nfunction stopNativeHorizontalDelete(view, dir) {\n if (!(view.state.selection instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"])) {\n return true;\n }\n\n var ref = view.state.selection;\n var $head = ref.$head;\n var $anchor = ref.$anchor;\n var empty = ref.empty;\n\n if (!$head.sameParent($anchor)) {\n return true;\n }\n\n if (!empty) {\n return false;\n }\n\n if (view.endOfTextblock(dir > 0 ? \"forward\" : \"backward\")) {\n return true;\n }\n\n var nextNode = !$head.textOffset && (dir < 0 ? $head.nodeBefore : $head.nodeAfter);\n\n if (nextNode && !nextNode.isText) {\n var tr = view.state.tr;\n\n if (dir < 0) {\n tr[\"delete\"]($head.pos - nextNode.nodeSize, $head.pos);\n } else {\n tr[\"delete\"]($head.pos, $head.pos + nextNode.nodeSize);\n }\n\n view.dispatch(tr);\n return true;\n }\n\n return false;\n}\n\nfunction switchEditable(view, node, state) {\n view.domObserver.stop();\n node.contentEditable = state;\n view.domObserver.start();\n} // Issue #867 / https://bugs.chromium.org/p/chromium/issues/detail?id=903821\n// In which Chrome does really wrong things when the down arrow is\n// pressed when the cursor is directly at the start of a textblock and\n// has an uneditable node after it\n\n\nfunction chromeDownArrowBug(view) {\n if (!result.chrome || view.state.selection.$head.parentOffset > 0) {\n return;\n }\n\n var ref = view.root.getSelection();\n var focusNode = ref.focusNode;\n var focusOffset = ref.focusOffset;\n\n if (focusNode && focusNode.nodeType == 1 && focusOffset == 0 && focusNode.firstChild && focusNode.firstChild.contentEditable == \"false\") {\n var child = focusNode.firstChild;\n switchEditable(view, child, true);\n setTimeout(function () {\n return switchEditable(view, child, false);\n }, 20);\n }\n} // A backdrop key mapping used to make sure we always suppress keys\n// that have a dangerous default effect, even if the commands they are\n// bound to return false, and to make sure that cursor-motion keys\n// find a cursor (as opposed to a node selection) when pressed. For\n// cursor-motion keys, the code in the handlers also takes care of\n// block selections.\n\n\nfunction getMods(event) {\n var result = \"\";\n\n if (event.ctrlKey) {\n result += \"c\";\n }\n\n if (event.metaKey) {\n result += \"m\";\n }\n\n if (event.altKey) {\n result += \"a\";\n }\n\n if (event.shiftKey) {\n result += \"s\";\n }\n\n return result;\n}\n\nfunction captureKeyDown(view, event) {\n var code = event.keyCode,\n mods = getMods(event);\n\n if (code == 8 || result.mac && code == 72 && mods == \"c\") {\n // Backspace, Ctrl-h on Mac\n return stopNativeHorizontalDelete(view, -1) || skipIgnoredNodesLeft(view);\n } else if (code == 46 || result.mac && code == 68 && mods == \"c\") {\n // Delete, Ctrl-d on Mac\n return stopNativeHorizontalDelete(view, 1) || skipIgnoredNodesRight(view);\n } else if (code == 13 && !result.ios || code == 27) {\n // Enter (let through on iOS, to avoid keyboard sync issues), Esc\n return true;\n } else if (code == 37) {\n // Left arrow\n return selectHorizontally(view, -1, mods) || skipIgnoredNodesLeft(view);\n } else if (code == 39) {\n // Right arrow\n return selectHorizontally(view, 1, mods) || skipIgnoredNodesRight(view);\n } else if (code == 38) {\n // Up arrow\n return selectVertically(view, -1, mods) || skipIgnoredNodesLeft(view);\n } else if (code == 40) {\n // Down arrow\n return chromeDownArrowBug(view) || selectVertically(view, 1, mods) || skipIgnoredNodesRight(view);\n } else if (mods == (result.mac ? \"m\" : \"c\") && (code == 66 || code == 73 || code == 89 || code == 90)) {\n // Mod-[biyz]\n return true;\n }\n\n return false;\n}\n\nfunction selectionFromDOM(view, origin) {\n var domSel = view.root.getSelection(),\n doc = view.state.doc;\n var nearestDesc = view.docView.nearestDesc(domSel.focusNode),\n inWidget = nearestDesc && nearestDesc.size == 0;\n var head = view.docView.posFromDOM(domSel.focusNode, domSel.focusOffset);\n var $head = doc.resolve(head),\n $anchor,\n selection;\n\n if (selectionCollapsed(domSel)) {\n $anchor = $head;\n\n while (nearestDesc && !nearestDesc.node) {\n nearestDesc = nearestDesc.parent;\n }\n\n if (nearestDesc && nearestDesc.node.isAtom && prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"NodeSelection\"].isSelectable(nearestDesc.node) && nearestDesc.parent && !(nearestDesc.node.isInline && isOnEdge(domSel.focusNode, domSel.focusOffset, nearestDesc.dom))) {\n var pos = nearestDesc.posBefore;\n selection = new prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"NodeSelection\"](head == pos ? $head : doc.resolve(pos));\n }\n } else {\n $anchor = doc.resolve(view.docView.posFromDOM(domSel.anchorNode, domSel.anchorOffset));\n }\n\n if (!selection) {\n var bias = origin == \"pointer\" || view.state.selection.head < $head.pos && !inWidget ? 1 : -1;\n selection = selectionBetween(view, $anchor, $head, bias);\n }\n\n return selection;\n}\n\nfunction selectionToDOM(view, force) {\n var sel = view.state.selection;\n syncNodeSelection(view, sel);\n\n if (view.editable ? !view.hasFocus() : !(hasSelection(view) && document.activeElement.contains(view.dom))) {\n return;\n }\n\n view.domObserver.disconnectSelection();\n\n if (view.cursorWrapper) {\n selectCursorWrapper(view);\n } else {\n var anchor = sel.anchor;\n var head = sel.head;\n var resetEditableFrom, resetEditableTo;\n\n if (brokenSelectBetweenUneditable && !(sel instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"])) {\n if (!sel.$from.parent.inlineContent) {\n resetEditableFrom = temporarilyEditableNear(view, sel.from);\n }\n\n if (!sel.empty && !sel.$from.parent.inlineContent) {\n resetEditableTo = temporarilyEditableNear(view, sel.to);\n }\n }\n\n view.docView.setSelection(anchor, head, view.root, force);\n\n if (brokenSelectBetweenUneditable) {\n if (resetEditableFrom) {\n resetEditable(resetEditableFrom);\n }\n\n if (resetEditableTo) {\n resetEditable(resetEditableTo);\n }\n }\n\n if (sel.visible) {\n view.dom.classList.remove(\"ProseMirror-hideselection\");\n } else if (anchor != head) {\n view.dom.classList.add(\"ProseMirror-hideselection\");\n\n if (\"onselectionchange\" in document) {\n removeClassOnSelectionChange(view);\n }\n }\n }\n\n view.domObserver.setCurSelection();\n view.domObserver.connectSelection();\n} // Kludge to work around Webkit not allowing a selection to start/end\n// between non-editable block nodes. We briefly make something\n// editable, set the selection, then set it uneditable again.\n\n\nvar brokenSelectBetweenUneditable = result.safari || result.chrome && result.chrome_version < 63;\n\nfunction temporarilyEditableNear(view, pos) {\n var ref = view.docView.domFromPos(pos);\n var node = ref.node;\n var offset = ref.offset;\n var after = offset < node.childNodes.length ? node.childNodes[offset] : null;\n var before = offset ? node.childNodes[offset - 1] : null;\n\n if (result.safari && after && after.contentEditable == \"false\") {\n return setEditable(after);\n }\n\n if ((!after || after.contentEditable == \"false\") && (!before || before.contentEditable == \"false\")) {\n if (after) {\n return setEditable(after);\n } else if (before) {\n return setEditable(before);\n }\n }\n}\n\nfunction setEditable(element) {\n element.contentEditable = \"true\";\n\n if (result.safari && element.draggable) {\n element.draggable = false;\n element.wasDraggable = true;\n }\n\n return element;\n}\n\nfunction resetEditable(element) {\n element.contentEditable = \"false\";\n\n if (element.wasDraggable) {\n element.draggable = true;\n element.wasDraggable = null;\n }\n}\n\nfunction removeClassOnSelectionChange(view) {\n var doc = view.dom.ownerDocument;\n doc.removeEventListener(\"selectionchange\", view.hideSelectionGuard);\n var domSel = view.root.getSelection();\n var node = domSel.anchorNode,\n offset = domSel.anchorOffset;\n doc.addEventListener(\"selectionchange\", view.hideSelectionGuard = function () {\n if (domSel.anchorNode != node || domSel.anchorOffset != offset) {\n doc.removeEventListener(\"selectionchange\", view.hideSelectionGuard);\n view.dom.classList.remove(\"ProseMirror-hideselection\");\n }\n });\n}\n\nfunction selectCursorWrapper(view) {\n var domSel = view.root.getSelection(),\n range = document.createRange();\n var node = view.cursorWrapper.dom,\n img = node.nodeName == \"IMG\";\n\n if (img) {\n range.setEnd(node.parentNode, domIndex(node) + 1);\n } else {\n range.setEnd(node, 0);\n }\n\n range.collapse(false);\n domSel.removeAllRanges();\n domSel.addRange(range); // Kludge to kill 'control selection' in IE11 when selecting an\n // invisible cursor wrapper, since that would result in those weird\n // resize handles and a selection that considers the absolutely\n // positioned wrapper, rather than the root editable node, the\n // focused element.\n\n if (!img && !view.state.selection.visible && result.ie && result.ie_version <= 11) {\n node.disabled = true;\n node.disabled = false;\n }\n}\n\nfunction syncNodeSelection(view, sel) {\n if (sel instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"NodeSelection\"]) {\n var desc = view.docView.descAt(sel.from);\n\n if (desc != view.lastSelectedViewDesc) {\n clearNodeSelection(view);\n\n if (desc) {\n desc.selectNode();\n }\n\n view.lastSelectedViewDesc = desc;\n }\n } else {\n clearNodeSelection(view);\n }\n} // Clear all DOM statefulness of the last node selection.\n\n\nfunction clearNodeSelection(view) {\n if (view.lastSelectedViewDesc) {\n if (view.lastSelectedViewDesc.parent) {\n view.lastSelectedViewDesc.deselectNode();\n }\n\n view.lastSelectedViewDesc = null;\n }\n}\n\nfunction selectionBetween(view, $anchor, $head, bias) {\n return view.someProp(\"createSelectionBetween\", function (f) {\n return f(view, $anchor, $head);\n }) || prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"].between($anchor, $head, bias);\n}\n\nfunction hasFocusAndSelection(view) {\n if (view.editable && view.root.activeElement != view.dom) {\n return false;\n }\n\n return hasSelection(view);\n}\n\nfunction hasSelection(view) {\n var sel = view.root.getSelection();\n\n if (!sel.anchorNode) {\n return false;\n }\n\n try {\n // Firefox will raise 'permission denied' errors when accessing\n // properties of `sel.anchorNode` when it's in a generated CSS\n // element.\n return view.dom.contains(sel.anchorNode.nodeType == 3 ? sel.anchorNode.parentNode : sel.anchorNode) && (view.editable || view.dom.contains(sel.focusNode.nodeType == 3 ? sel.focusNode.parentNode : sel.focusNode));\n } catch (_) {\n return false;\n }\n}\n\nfunction anchorInRightPlace(view) {\n var anchorDOM = view.docView.domFromPos(view.state.selection.anchor);\n var domSel = view.root.getSelection();\n return isEquivalentPosition(anchorDOM.node, anchorDOM.offset, domSel.anchorNode, domSel.anchorOffset);\n} // Note that all referencing and parsing is done with the\n// start-of-operation selection and document, since that's the one\n// that the DOM represents. If any changes came in in the meantime,\n// the modification is mapped over those before it is applied, in\n// readDOMChange.\n\n\nfunction parseBetween(view, from_, to_) {\n var ref = view.docView.parseRange(from_, to_);\n var parent = ref.node;\n var fromOffset = ref.fromOffset;\n var toOffset = ref.toOffset;\n var from = ref.from;\n var to = ref.to;\n var domSel = view.root.getSelection(),\n find = null,\n anchor = domSel.anchorNode;\n\n if (anchor && view.dom.contains(anchor.nodeType == 1 ? anchor : anchor.parentNode)) {\n find = [{\n node: anchor,\n offset: domSel.anchorOffset\n }];\n\n if (!selectionCollapsed(domSel)) {\n find.push({\n node: domSel.focusNode,\n offset: domSel.focusOffset\n });\n }\n } // Work around issue in Chrome where backspacing sometimes replaces\n // the deleted content with a random BR node (issues #799, #831)\n\n\n if (result.chrome && view.lastKeyCode === 8) {\n for (var off = toOffset; off > fromOffset; off--) {\n var node = parent.childNodes[off - 1],\n desc = node.pmViewDesc;\n\n if (node.nodeType == \"BR\" && !desc) {\n toOffset = off;\n break;\n }\n\n if (!desc || desc.size) {\n break;\n }\n }\n }\n\n var startDoc = view.state.doc;\n var parser = view.someProp(\"domParser\") || prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"DOMParser\"].fromSchema(view.state.schema);\n var $from = startDoc.resolve(from);\n var sel = null,\n doc = parser.parse(parent, {\n topNode: $from.parent,\n topMatch: $from.parent.contentMatchAt($from.index()),\n topOpen: true,\n from: fromOffset,\n to: toOffset,\n preserveWhitespace: $from.parent.type.spec.code ? \"full\" : true,\n editableContent: true,\n findPositions: find,\n ruleFromNode: ruleFromNode,\n context: $from\n });\n\n if (find && find[0].pos != null) {\n var anchor$1 = find[0].pos,\n head = find[1] && find[1].pos;\n\n if (head == null) {\n head = anchor$1;\n }\n\n sel = {\n anchor: anchor$1 + from,\n head: head + from\n };\n }\n\n return {\n doc: doc,\n sel: sel,\n from: from,\n to: to\n };\n}\n\nfunction ruleFromNode(dom) {\n var desc = dom.pmViewDesc;\n\n if (desc) {\n return desc.parseRule();\n } else if (dom.nodeName == \"BR\" && dom.parentNode) {\n // Safari replaces the list item or table cell with a BR\n // directly in the list node (?!) if you delete the last\n // character in a list item or table cell (#708, #862)\n if (result.safari && /^(ul|ol)$/i.test(dom.parentNode.nodeName)) {\n var skip = document.createElement(\"div\");\n skip.appendChild(document.createElement(\"li\"));\n return {\n skip: skip\n };\n } else if (dom.parentNode.lastChild == dom || result.safari && /^(tr|table)$/i.test(dom.parentNode.nodeName)) {\n return {\n ignore: true\n };\n }\n } else if (dom.nodeName == \"IMG\" && dom.getAttribute(\"mark-placeholder\")) {\n return {\n ignore: true\n };\n }\n}\n\nfunction readDOMChange(view, from, to, typeOver, addedNodes) {\n if (from < 0) {\n var origin = view.lastSelectionTime > Date.now() - 50 ? view.lastSelectionOrigin : null;\n var newSel = selectionFromDOM(view, origin);\n\n if (!view.state.selection.eq(newSel)) {\n var tr$1 = view.state.tr.setSelection(newSel);\n\n if (origin == \"pointer\") {\n tr$1.setMeta(\"pointer\", true);\n } else if (origin == \"key\") {\n tr$1.scrollIntoView();\n }\n\n view.dispatch(tr$1);\n }\n\n return;\n }\n\n var $before = view.state.doc.resolve(from);\n var shared = $before.sharedDepth(to);\n from = $before.before(shared + 1);\n to = view.state.doc.resolve(to).after(shared + 1);\n var sel = view.state.selection;\n var parse = parseBetween(view, from, to);\n var doc = view.state.doc,\n compare = doc.slice(parse.from, parse.to);\n var preferredPos, preferredSide; // Prefer anchoring to end when Backspace is pressed\n\n if (view.lastKeyCode === 8 && Date.now() - 100 < view.lastKeyCodeTime) {\n preferredPos = view.state.selection.to;\n preferredSide = \"end\";\n } else {\n preferredPos = view.state.selection.from;\n preferredSide = \"start\";\n }\n\n view.lastKeyCode = null;\n var change = findDiff(compare.content, parse.doc.content, parse.from, preferredPos, preferredSide);\n\n if (!change) {\n if (typeOver && sel instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"] && !sel.empty && sel.$head.sameParent(sel.$anchor) && !view.composing && !(parse.sel && parse.sel.anchor != parse.sel.head)) {\n change = {\n start: sel.from,\n endA: sel.to,\n endB: sel.to\n };\n } else {\n if (parse.sel) {\n var sel$1 = resolveSelection(view, view.state.doc, parse.sel);\n\n if (sel$1 && !sel$1.eq(view.state.selection)) {\n view.dispatch(view.state.tr.setSelection(sel$1));\n }\n }\n\n return;\n }\n }\n\n view.domChangeCount++; // Handle the case where overwriting a selection by typing matches\n // the start or end of the selected content, creating a change\n // that's smaller than what was actually overwritten.\n\n if (view.state.selection.from < view.state.selection.to && change.start == change.endB && view.state.selection instanceof prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"TextSelection\"]) {\n if (change.start > view.state.selection.from && change.start <= view.state.selection.from + 2) {\n change.start = view.state.selection.from;\n } else if (change.endA < view.state.selection.to && change.endA >= view.state.selection.to - 2) {\n change.endB += view.state.selection.to - change.endA;\n change.endA = view.state.selection.to;\n }\n } // IE11 will insert a non-breaking space _ahead_ of the space after\n // the cursor space when adding a space before another space. When\n // that happened, adjust the change to cover the space instead.\n\n\n if (result.ie && result.ie_version <= 11 && change.endB == change.start + 1 && change.endA == change.start && change.start > parse.from && parse.doc.textBetween(change.start - parse.from - 1, change.start - parse.from + 1) == \" \\xA0\") {\n change.start--;\n change.endA--;\n change.endB--;\n }\n\n var $from = parse.doc.resolveNoCache(change.start - parse.from);\n var $to = parse.doc.resolveNoCache(change.endB - parse.from);\n var nextSel; // If this looks like the effect of pressing Enter (or was recorded\n // as being an iOS enter press), just dispatch an Enter key instead.\n\n if ((result.ios && view.lastIOSEnter > Date.now() - 100 && (!$from.sameParent($to) || addedNodes.some(function (n) {\n return n.nodeName == \"DIV\";\n })) || !$from.sameParent($to) && $from.pos < parse.doc.content.size && (nextSel = prosemirror_state__WEBPACK_IMPORTED_MODULE_0__[\"Selection\"].findFrom(parse.doc.resolve($from.pos + 1), 1, true)) && nextSel.head == $to.pos) && view.someProp(\"handleKeyDown\", function (f) {\n return f(view, keyEvent(13, \"Enter\"));\n })) {\n view.lastIOSEnter = 0;\n return;\n } // Same for backspace\n\n\n if (view.state.selection.anchor > change.start && looksLikeJoin(doc, change.start, change.endA, $from, $to) && view.someProp(\"handleKeyDown\", function (f) {\n return f(view, keyEvent(8, \"Backspace\"));\n })) {\n if (result.android && result.chrome) {\n view.domObserver.suppressSelectionUpdates();\n } // #820\n\n\n return;\n }\n\n var chFrom = change.start,\n chTo = change.endA;\n var tr, storedMarks, markChange, $from1;\n\n if ($from.sameParent($to) && $from.parent.inlineContent) {\n if ($from.pos == $to.pos) {\n // Deletion\n // IE11 sometimes weirdly moves the DOM selection around after\n // backspacing out the first element in a textblock\n if (result.ie && result.ie_version <= 11 && $from.parentOffset == 0) {\n view.domObserver.suppressSelectionUpdates();\n setTimeout(function () {\n return selectionToDOM(view);\n }, 20);\n }\n\n tr = view.state.tr[\"delete\"](chFrom, chTo);\n storedMarks = doc.resolve(change.start).marksAcross(doc.resolve(change.endA));\n } else if ( // Adding or removing a mark\n change.endA == change.endB && ($from1 = doc.resolve(change.start)) && (markChange = isMarkChange($from.parent.content.cut($from.parentOffset, $to.parentOffset), $from1.parent.content.cut($from1.parentOffset, change.endA - $from1.start())))) {\n tr = view.state.tr;\n\n if (markChange.type == \"add\") {\n tr.addMark(chFrom, chTo, markChange.mark);\n } else {\n tr.removeMark(chFrom, chTo, markChange.mark);\n }\n } else if ($from.parent.child($from.index()).isText && $from.index() == $to.index() - ($to.textOffset ? 0 : 1)) {\n // Both positions in the same text node -- simply insert text\n var text = $from.parent.textBetween($from.parentOffset, $to.parentOffset);\n\n if (view.someProp(\"handleTextInput\", function (f) {\n return f(view, chFrom, chTo, text);\n })) {\n return;\n }\n\n tr = view.state.tr.insertText(text, chFrom, chTo);\n }\n }\n\n if (!tr) {\n tr = view.state.tr.replace(chFrom, chTo, parse.doc.slice(change.start - parse.from, change.endB - parse.from));\n }\n\n if (parse.sel) {\n var sel$2 = resolveSelection(view, tr.doc, parse.sel); // Chrome Android will sometimes, during composition, report the\n // selection in the wrong place. If it looks like that is\n // happening, don't update the selection.\n // Edge just doesn't move the cursor forward when you start typing\n // in an empty block or between br nodes.\n\n if (sel$2 && !(result.chrome && result.android && view.composing && sel$2.empty && sel$2.head == chFrom || result.ie && sel$2.empty && sel$2.head == chFrom)) {\n tr.setSelection(sel$2);\n }\n }\n\n if (storedMarks) {\n tr.ensureMarks(storedMarks);\n }\n\n view.dispatch(tr.scrollIntoView());\n}\n\nfunction resolveSelection(view, doc, parsedSel) {\n if (Math.max(parsedSel.anchor, parsedSel.head) > doc.content.size) {\n return null;\n }\n\n return selectionBetween(view, doc.resolve(parsedSel.anchor), doc.resolve(parsedSel.head));\n} // : (Fragment, Fragment) → ?{mark: Mark, type: string}\n// Given two same-length, non-empty fragments of inline content,\n// determine whether the first could be created from the second by\n// removing or adding a single mark type.\n\n\nfunction isMarkChange(cur, prev) {\n var curMarks = cur.firstChild.marks,\n prevMarks = prev.firstChild.marks;\n var added = curMarks,\n removed = prevMarks,\n type,\n mark,\n update;\n\n for (var i = 0; i < prevMarks.length; i++) {\n added = prevMarks[i].removeFromSet(added);\n }\n\n for (var i$1 = 0; i$1 < curMarks.length; i$1++) {\n removed = curMarks[i$1].removeFromSet(removed);\n }\n\n if (added.length == 1 && removed.length == 0) {\n mark = added[0];\n type = \"add\";\n\n update = function update(node) {\n return node.mark(mark.addToSet(node.marks));\n };\n } else if (added.length == 0 && removed.length == 1) {\n mark = removed[0];\n type = \"remove\";\n\n update = function update(node) {\n return node.mark(mark.removeFromSet(node.marks));\n };\n } else {\n return null;\n }\n\n var updated = [];\n\n for (var i$2 = 0; i$2 < prev.childCount; i$2++) {\n updated.push(update(prev.child(i$2)));\n }\n\n if (prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(updated).eq(cur)) {\n return {\n mark: mark,\n type: type\n };\n }\n}\n\nfunction looksLikeJoin(old, start, end, $newStart, $newEnd) {\n if (!$newStart.parent.isTextblock || // The content must have shrunk\n end - start <= $newEnd.pos - $newStart.pos || // newEnd must point directly at or after the end of the block that newStart points into\n skipClosingAndOpening($newStart, true, false) < $newEnd.pos) {\n return false;\n }\n\n var $start = old.resolve(start); // Start must be at the end of a block\n\n if ($start.parentOffset < $start.parent.content.size || !$start.parent.isTextblock) {\n return false;\n }\n\n var $next = old.resolve(skipClosingAndOpening($start, true, true)); // The next textblock must start before end and end near it\n\n if (!$next.parent.isTextblock || $next.pos > end || skipClosingAndOpening($next, true, false) < end) {\n return false;\n } // The fragments after the join point must match\n\n\n return $newStart.parent.content.cut($newStart.parentOffset).eq($next.parent.content);\n}\n\nfunction skipClosingAndOpening($pos, fromEnd, mayOpen) {\n var depth = $pos.depth,\n end = fromEnd ? $pos.end() : $pos.pos;\n\n while (depth > 0 && (fromEnd || $pos.indexAfter(depth) == $pos.node(depth).childCount)) {\n depth--;\n end++;\n fromEnd = false;\n }\n\n if (mayOpen) {\n var next = $pos.node(depth).maybeChild($pos.indexAfter(depth));\n\n while (next && !next.isLeaf) {\n next = next.firstChild;\n end++;\n }\n }\n\n return end;\n}\n\nfunction findDiff(a, b, pos, preferredPos, preferredSide) {\n var start = a.findDiffStart(b, pos);\n\n if (start == null) {\n return null;\n }\n\n var ref = a.findDiffEnd(b, pos + a.size, pos + b.size);\n var endA = ref.a;\n var endB = ref.b;\n\n if (preferredSide == \"end\") {\n var adjust = Math.max(0, start - Math.min(endA, endB));\n preferredPos -= endA + adjust - start;\n }\n\n if (endA < start && a.size < b.size) {\n var move = preferredPos <= start && preferredPos >= endA ? start - preferredPos : 0;\n start -= move;\n endB = start + (endB - endA);\n endA = start;\n } else if (endB < start) {\n var move$1 = preferredPos <= start && preferredPos >= endB ? start - preferredPos : 0;\n start -= move$1;\n endA = start + (endA - endB);\n endB = start;\n }\n\n return {\n start: start,\n endA: endA,\n endB: endB\n };\n}\n\nfunction serializeForClipboard(view, slice) {\n var context = [];\n var content = slice.content;\n var openStart = slice.openStart;\n var openEnd = slice.openEnd;\n\n while (openStart > 1 && openEnd > 1 && content.childCount == 1 && content.firstChild.childCount == 1) {\n openStart--;\n openEnd--;\n var node = content.firstChild;\n context.push(node.type.name, node.type.hasRequiredAttrs() ? node.attrs : null);\n content = node.content;\n }\n\n var serializer = view.someProp(\"clipboardSerializer\") || prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"DOMSerializer\"].fromSchema(view.state.schema);\n var doc = detachedDoc(),\n wrap = doc.createElement(\"div\");\n wrap.appendChild(serializer.serializeFragment(content, {\n document: doc\n }));\n var firstChild = wrap.firstChild,\n needsWrap;\n\n while (firstChild && firstChild.nodeType == 1 && (needsWrap = wrapMap[firstChild.nodeName.toLowerCase()])) {\n for (var i = needsWrap.length - 1; i >= 0; i--) {\n var wrapper = doc.createElement(needsWrap[i]);\n\n while (wrap.firstChild) {\n wrapper.appendChild(wrap.firstChild);\n }\n\n wrap.appendChild(wrapper);\n }\n\n firstChild = wrap.firstChild;\n }\n\n if (firstChild && firstChild.nodeType == 1) {\n firstChild.setAttribute(\"data-pm-slice\", openStart + \" \" + openEnd + \" \" + JSON.stringify(context));\n }\n\n var text = view.someProp(\"clipboardTextSerializer\", function (f) {\n return f(slice);\n }) || slice.content.textBetween(0, slice.content.size, \"\\n\\n\");\n return {\n dom: wrap,\n text: text\n };\n} // : (EditorView, string, string, ?bool, ResolvedPos) → ?Slice\n// Read a slice of content from the clipboard (or drop data).\n\n\nfunction parseFromClipboard(view, text, html, plainText, $context) {\n var dom,\n inCode = $context.parent.type.spec.code,\n slice;\n\n if (!html && !text) {\n return null;\n }\n\n var asText = text && (plainText || inCode || !html);\n\n if (asText) {\n view.someProp(\"transformPastedText\", function (f) {\n text = f(text);\n });\n\n if (inCode) {\n return new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Slice\"](prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(view.state.schema.text(text)), 0, 0);\n }\n\n var parsed = view.someProp(\"clipboardTextParser\", function (f) {\n return f(text, $context);\n });\n\n if (parsed) {\n slice = parsed;\n } else {\n dom = document.createElement(\"div\");\n text.trim().split(/(?:\\r\\n?|\\n)+/).forEach(function (block) {\n dom.appendChild(document.createElement(\"p\")).textContent = block;\n });\n }\n } else {\n view.someProp(\"transformPastedHTML\", function (f) {\n html = f(html);\n });\n dom = readHTML(html);\n }\n\n var contextNode = dom && dom.querySelector(\"[data-pm-slice]\");\n var sliceData = contextNode && /^(\\d+) (\\d+) (.*)/.exec(contextNode.getAttribute(\"data-pm-slice\"));\n\n if (!slice) {\n var parser = view.someProp(\"clipboardParser\") || view.someProp(\"domParser\") || prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"DOMParser\"].fromSchema(view.state.schema);\n slice = parser.parseSlice(dom, {\n preserveWhitespace: !!(asText || sliceData),\n context: $context\n });\n }\n\n if (sliceData) {\n slice = addContext(closeSlice(slice, +sliceData[1], +sliceData[2]), sliceData[3]);\n } else // HTML wasn't created by ProseMirror. Make sure top-level siblings are coherent\n {\n slice = prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Slice\"].maxOpen(normalizeSiblings(slice.content, $context), false);\n }\n\n view.someProp(\"transformPasted\", function (f) {\n slice = f(slice);\n });\n return slice;\n} // Takes a slice parsed with parseSlice, which means there hasn't been\n// any content-expression checking done on the top nodes, tries to\n// find a parent node in the current context that might fit the nodes,\n// and if successful, rebuilds the slice so that it fits into that parent.\n//\n// This addresses the problem that Transform.replace expects a\n// coherent slice, and will fail to place a set of siblings that don't\n// fit anywhere in the schema.\n\n\nfunction normalizeSiblings(fragment, $context) {\n if (fragment.childCount < 2) {\n return fragment;\n }\n\n var loop = function loop(d) {\n var parent = $context.node(d);\n var match = parent.contentMatchAt($context.index(d));\n var lastWrap = void 0,\n result = [];\n fragment.forEach(function (node) {\n if (!result) {\n return;\n }\n\n var wrap = match.findWrapping(node.type),\n inLast;\n\n if (!wrap) {\n return result = null;\n }\n\n if (inLast = result.length && lastWrap.length && addToSibling(wrap, lastWrap, node, result[result.length - 1], 0)) {\n result[result.length - 1] = inLast;\n } else {\n if (result.length) {\n result[result.length - 1] = closeRight(result[result.length - 1], lastWrap.length);\n }\n\n var wrapped = withWrappers(node, wrap);\n result.push(wrapped);\n match = match.matchType(wrapped.type, wrapped.attrs);\n lastWrap = wrap;\n }\n });\n\n if (result) {\n return {\n v: prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(result)\n };\n }\n };\n\n for (var d = $context.depth; d >= 0; d--) {\n var returned = loop(d);\n if (returned) return returned.v;\n }\n\n return fragment;\n}\n\nfunction withWrappers(node, wrap, from) {\n if (from === void 0) from = 0;\n\n for (var i = wrap.length - 1; i >= from; i--) {\n node = wrap[i].create(null, prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(node));\n }\n\n return node;\n} // Used to group adjacent nodes wrapped in similar parents by\n// normalizeSiblings into the same parent node\n\n\nfunction addToSibling(wrap, lastWrap, node, sibling, depth) {\n if (depth < wrap.length && depth < lastWrap.length && wrap[depth] == lastWrap[depth]) {\n var inner = addToSibling(wrap, lastWrap, node, sibling.lastChild, depth + 1);\n\n if (inner) {\n return sibling.copy(sibling.content.replaceChild(sibling.childCount - 1, inner));\n }\n\n var match = sibling.contentMatchAt(sibling.childCount);\n\n if (match.matchType(depth == wrap.length - 1 ? node.type : wrap[depth + 1])) {\n return sibling.copy(sibling.content.append(prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].from(withWrappers(node, wrap, depth + 1))));\n }\n }\n}\n\nfunction closeRight(node, depth) {\n if (depth == 0) {\n return node;\n }\n\n var fragment = node.content.replaceChild(node.childCount - 1, closeRight(node.lastChild, depth - 1));\n var fill = node.contentMatchAt(node.childCount).fillBefore(prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty, true);\n return node.copy(fragment.append(fill));\n}\n\nfunction closeRange(fragment, side, from, to, depth, openEnd) {\n var node = side < 0 ? fragment.firstChild : fragment.lastChild,\n inner = node.content;\n\n if (depth < to - 1) {\n inner = closeRange(inner, side, from, to, depth + 1, openEnd);\n }\n\n if (depth >= from) {\n inner = side < 0 ? node.contentMatchAt(0).fillBefore(inner, fragment.childCount > 1 || openEnd <= depth).append(inner) : inner.append(node.contentMatchAt(node.childCount).fillBefore(prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Fragment\"].empty, true));\n }\n\n return fragment.replaceChild(side < 0 ? 0 : fragment.childCount - 1, node.copy(inner));\n}\n\nfunction closeSlice(slice, openStart, openEnd) {\n if (openStart < slice.openStart) {\n slice = new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Slice\"](closeRange(slice.content, -1, openStart, slice.openStart, 0, slice.openEnd), openStart, slice.openEnd);\n }\n\n if (openEnd < slice.openEnd) {\n slice = new prosemirror_model__WEBPACK_IMPORTED_MODULE_1__[\"Slice\"](closeRange(slice.content, 1, openEnd, slice.openEnd, 0, 0), slice.openStart, openEnd);\n }\n\n return slice;\n} // Trick from jQuery -- some elements must be wrapped in other\n// elements for innerHTML to work. I.e. if you do `div.innerHTML =\n// \"