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z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck-content pre {\\n\\tpadding: 1em;\\n\\tcolor: hsl(0, 0%, 20.8%);\\n\\tbackground: hsla(0, 0%, 78%, 0.3);\\n\\tborder: 1px solid hsl(0, 0%, 77%);\\n\\tborder-radius: 2px;\\n\\n\\t/* Code block are language direction–agnostic. */\\n\\ttext-align: left;\\n\\tdirection: ltr;\\n\\n\\ttab-size: 4;\\n\\twhite-space: pre-wrap;\\n\\n\\t/* Don't inherit the style, e.g. when in a block quote. */\\n\\tfont-style: normal;\\n\\n\\t/* Don't let the code be squashed e.g. when in a table cell. */\\n\\tmin-width: 200px;\\n\\n\\t& code {\\n\\t\\tbackground: unset;\\n\\t\\tpadding: 0;\\n\\t\\tborder-radius: 0;\\n\\t}\\n}\\n\\n.ck.ck-editor__editable pre {\\n\\tposition: relative;\\n\\n\\t&[data-language]::after {\\n\\t\\tcontent: attr(data-language);\\n\\t\\tposition: absolute;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-color-code-block-label-background: hsl(0, 0%, 46%);\\n}\\n\\n.ck.ck-editor__editable pre[data-language]::after {\\n\\ttop: -1px;\\n\\tright: 10px;\\n\\tbackground: var(--ck-color-code-block-label-background);\\n\\n\\tfont-size: 10px;\\n\\tfont-family: var(--ck-font-face);\\n\\tline-height: 16px;\\n\\tpadding: var(--ck-spacing-tiny) var(--ck-spacing-medium);\\n\\tcolor: hsl(0, 0%, 100%);\\n\\twhite-space: nowrap;\\n}\\n\\n.ck.ck-code-block-dropdown .ck-dropdown__panel {\\n\\t/* There could be dozens of languages available. 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i < this.length; i++) {\n        // eslint-disable-next-line prefer-destructuring\n        var id = this[i][0];\n\n        if (id != null) {\n          alreadyImportedModules[id] = true;\n        }\n      }\n    }\n\n    for (var _i = 0; _i < modules.length; _i++) {\n      var item = [].concat(modules[_i]);\n\n      if (dedupe && alreadyImportedModules[item[0]]) {\n        // eslint-disable-next-line no-continue\n        continue;\n      }\n\n      if (mediaQuery) {\n        if (!item[2]) {\n          item[2] = mediaQuery;\n        } else {\n          item[2] = \"\".concat(mediaQuery, \" and \").concat(item[2]);\n        }\n      }\n\n      list.push(item);\n    }\n  };\n\n  return list;\n};","\"use strict\";\n\nfunction _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }\n\nfunction _nonIterableRest() { throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nfunction _iterableToArrayLimit(arr, i) { var _i = arr && (typeof Symbol !== \"undefined\" && arr[Symbol.iterator] || arr[\"@@iterator\"]); if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"] != null) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; }\n\nfunction _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }\n\nmodule.exports = function cssWithMappingToString(item) {\n  var _item = _slicedToArray(item, 4),\n      content = _item[1],\n      cssMapping = _item[3];\n\n  if (!cssMapping) {\n    return content;\n  }\n\n  if (typeof btoa === \"function\") {\n    // eslint-disable-next-line no-undef\n    var base64 = btoa(unescape(encodeURIComponent(JSON.stringify(cssMapping))));\n    var data = \"sourceMappingURL=data:application/json;charset=utf-8;base64,\".concat(base64);\n    var sourceMapping = \"/*# \".concat(data, \" */\");\n    var sourceURLs = cssMapping.sources.map(function (source) {\n      return \"/*# sourceURL=\".concat(cssMapping.sourceRoot || \"\").concat(source, \" */\");\n    });\n    return [content].concat(sourceURLs).concat([sourceMapping]).join(\"\\n\");\n  }\n\n  return [content].join(\"\\n\");\n};","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M12.87 12.61a.75.75 0 0 1-.089.976l-.085.07-3.154 2.254 3.412 2.414a.75.75 0 0 1 .237.95l-.057.095a.75.75 0 0 1-.95.237l-.096-.058-4.272-3.022-.003-1.223 4.01-2.867a.75.75 0 0 1 1.047.174zm2.795-.231.095.057 4.011 2.867-.003 1.223-4.272 3.022-.095.058a.75.75 0 0 1-.88-.151l-.07-.086-.058-.095a.75.75 0 0 1 .15-.88l.087-.07 3.412-2.414-3.154-2.253-.085-.071a.75.75 0 0 1 .862-1.207zM16 0a2 2 0 0 1 2 2v9.354l-.663-.492-.837-.001V2a.5.5 0 0 0-.5-.5H2a.5.5 0 0 0-.5.5v15a.5.5 0 0 0 .5.5h3.118L7.156 19H2a2 2 0 0 1-2-2V2a2 2 0 0 1 2-2h14zM5.009 15l.003 1H3v-1h2.009zm2.188-2-1.471 1H5v-1h2.197zM10 11v.095L8.668 12H7v-1h3zm4-2v1H7V9h7zm0-2v1H7V7h7zm-4-2v1H5V5h5zM6 3v1H3V3h3z\\\"/></svg>\";","import api from \"!../../../node_modules/style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n            import content from \"!!../../../node_modules/css-loader/dist/cjs.js!../../../node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./codeblock.css\";\n\nvar options = {\"injectType\":\"singletonStyleTag\",\"attributes\":{\"data-cke\":true}};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nexport default content.locals || {};","\"use strict\";\n\nvar isOldIE = function isOldIE() {\n  var memo;\n  return function memorize() {\n    if (typeof memo === 'undefined') {\n      // Test for IE <= 9 as proposed by Browserhacks\n      // @see http://browserhacks.com/#hack-e71d8692f65334173fee715c222cb805\n      // Tests for existence of standard globals is to allow style-loader\n      // to operate correctly into non-standard environments\n      // @see https://github.com/webpack-contrib/style-loader/issues/177\n      memo = Boolean(window && document && document.all && !window.atob);\n    }\n\n    return memo;\n  };\n}();\n\nvar getTarget = function getTarget() {\n  var memo = {};\n  return function memorize(target) {\n    if (typeof memo[target] === 'undefined') {\n      var styleTarget = document.querySelector(target); // Special case to return head of iframe instead of iframe itself\n\n      if (window.HTMLIFrameElement && styleTarget instanceof window.HTMLIFrameElement) {\n        try {\n          // This will throw an exception if access to iframe is blocked\n          // due to cross-origin restrictions\n          styleTarget = styleTarget.contentDocument.head;\n        } catch (e) {\n          // istanbul ignore next\n          styleTarget = null;\n        }\n      }\n\n      memo[target] = styleTarget;\n    }\n\n    return memo[target];\n  };\n}();\n\nvar stylesInDom = [];\n\nfunction getIndexByIdentifier(identifier) {\n  var result = -1;\n\n  for (var i = 0; i < stylesInDom.length; i++) {\n    if (stylesInDom[i].identifier === identifier) {\n      result = i;\n      break;\n    }\n  }\n\n  return result;\n}\n\nfunction modulesToDom(list, options) {\n  var idCountMap = {};\n  var identifiers = [];\n\n  for (var i = 0; i < list.length; i++) {\n    var item = list[i];\n    var id = options.base ? item[0] + options.base : item[0];\n    var count = idCountMap[id] || 0;\n    var identifier = \"\".concat(id, \" \").concat(count);\n    idCountMap[id] = count + 1;\n    var index = getIndexByIdentifier(identifier);\n    var obj = {\n      css: item[1],\n      media: item[2],\n      sourceMap: item[3]\n    };\n\n    if (index !== -1) {\n      stylesInDom[index].references++;\n      stylesInDom[index].updater(obj);\n    } else {\n      stylesInDom.push({\n        identifier: identifier,\n        updater: addStyle(obj, options),\n        references: 1\n      });\n    }\n\n    identifiers.push(identifier);\n  }\n\n  return identifiers;\n}\n\nfunction insertStyleElement(options) {\n  var style = document.createElement('style');\n  var attributes = options.attributes || {};\n\n  if (typeof attributes.nonce === 'undefined') {\n    var nonce = typeof __webpack_nonce__ !== 'undefined' ? __webpack_nonce__ : null;\n\n    if (nonce) {\n      attributes.nonce = nonce;\n    }\n  }\n\n  Object.keys(attributes).forEach(function (key) {\n    style.setAttribute(key, attributes[key]);\n  });\n\n  if (typeof options.insert === 'function') {\n    options.insert(style);\n  } else {\n    var target = getTarget(options.insert || 'head');\n\n    if (!target) {\n      throw new Error(\"Couldn't find a style target. This probably means that the value for the 'insert' parameter is invalid.\");\n    }\n\n    target.appendChild(style);\n  }\n\n  return style;\n}\n\nfunction removeStyleElement(style) {\n  // istanbul ignore if\n  if (style.parentNode === null) {\n    return false;\n  }\n\n  style.parentNode.removeChild(style);\n}\n/* istanbul ignore next  */\n\n\nvar replaceText = function replaceText() {\n  var textStore = [];\n  return function replace(index, replacement) {\n    textStore[index] = replacement;\n    return textStore.filter(Boolean).join('\\n');\n  };\n}();\n\nfunction applyToSingletonTag(style, index, remove, obj) {\n  var css = remove ? '' : obj.media ? \"@media \".concat(obj.media, \" {\").concat(obj.css, \"}\") : obj.css; // For old IE\n\n  /* istanbul ignore if  */\n\n  if (style.styleSheet) {\n    style.styleSheet.cssText = replaceText(index, css);\n  } else {\n    var cssNode = document.createTextNode(css);\n    var childNodes = style.childNodes;\n\n    if (childNodes[index]) {\n      style.removeChild(childNodes[index]);\n    }\n\n    if (childNodes.length) {\n      style.insertBefore(cssNode, childNodes[index]);\n    } else {\n      style.appendChild(cssNode);\n    }\n  }\n}\n\nfunction applyToTag(style, options, obj) {\n  var css = obj.css;\n  var media = obj.media;\n  var sourceMap = obj.sourceMap;\n\n  if (media) {\n    style.setAttribute('media', media);\n  } else {\n    style.removeAttribute('media');\n  }\n\n  if (sourceMap && typeof btoa !== 'undefined') {\n    css += \"\\n/*# sourceMappingURL=data:application/json;base64,\".concat(btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))), \" */\");\n  } // For old IE\n\n  /* istanbul ignore if  */\n\n\n  if (style.styleSheet) {\n    style.styleSheet.cssText = css;\n  } else {\n    while (style.firstChild) {\n      style.removeChild(style.firstChild);\n    }\n\n    style.appendChild(document.createTextNode(css));\n  }\n}\n\nvar singleton = null;\nvar singletonCounter = 0;\n\nfunction addStyle(obj, options) {\n  var style;\n  var update;\n  var remove;\n\n  if (options.singleton) {\n    var styleIndex = singletonCounter++;\n    style = singleton || (singleton = insertStyleElement(options));\n    update = applyToSingletonTag.bind(null, style, styleIndex, false);\n    remove = applyToSingletonTag.bind(null, style, styleIndex, true);\n  } else {\n    style = insertStyleElement(options);\n    update = applyToTag.bind(null, style, options);\n\n    remove = function remove() {\n      removeStyleElement(style);\n    };\n  }\n\n  update(obj);\n  return function updateStyle(newObj) {\n    if (newObj) {\n      if (newObj.css === obj.css && newObj.media === obj.media && newObj.sourceMap === obj.sourceMap) {\n        return;\n      }\n\n      update(obj = newObj);\n    } else {\n      remove();\n    }\n  };\n}\n\nmodule.exports = function (list, options) {\n  options = options || {}; // Force single-tag solution on IE6-9, which has a hard limit on the # of <style>\n  // tags it will allow on a page\n\n  if (!options.singleton && typeof options.singleton !== 'boolean') {\n    options.singleton = isOldIE();\n  }\n\n  list = list || [];\n  var lastIdentifiers = modulesToDom(list, options);\n  return function update(newList) {\n    newList = newList || [];\n\n    if (Object.prototype.toString.call(newList) !== '[object Array]') {\n      return;\n    }\n\n    for (var i = 0; i < lastIdentifiers.length; i++) {\n      var identifier = lastIdentifiers[i];\n      var index = getIndexByIdentifier(identifier);\n      stylesInDom[index].references--;\n    }\n\n    var newLastIdentifiers = modulesToDom(newList, options);\n\n    for (var _i = 0; _i < lastIdentifiers.length; _i++) {\n      var _identifier = lastIdentifiers[_i];\n\n      var _index = getIndexByIdentifier(_identifier);\n\n      if (stylesInDom[_index].references === 0) {\n        stylesInDom[_index].updater();\n\n        stylesInDom.splice(_index, 1);\n      }\n    }\n\n    lastIdentifiers = newLastIdentifiers;\n  };\n};","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module code-block/codeblock\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport CodeBlockEditing from './codeblockediting';\nimport CodeBlockUI from './codeblockui';\n\n/**\n * The code block plugin.\n *\n * For more information about this feature check the {@glink api/code-block package page} and the\n * {@glink features/code-blocks code block feature guide}.\n *\n * This is a \"glue\" plugin that loads the {@link module:code-block/codeblockediting~CodeBlockEditing code block editing feature}\n * and the {@link module:code-block/codeblockui~CodeBlockUI code block UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class CodeBlock extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ CodeBlockEditing, CodeBlockUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'CodeBlock';\n\t}\n}\n\n/**\n * The configuration of the {@link module:code-block/codeblock~CodeBlock} feature.\n *\n * Read more in {@link module:code-block/codeblock~CodeBlockConfig}.\n *\n * @member {module:code-block/codeblock~CodeBlockConfig} module:core/editor/editorconfig~EditorConfig#codeBlock\n */\n\n/**\n * The configuration of the {@link module:code-block/codeblock~CodeBlock code block feature}.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tcodeBlock:  ... // The code block feature configuration.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface CodeBlockConfig\n */\n\n/**\n * The code block language descriptor. See {@link module:code-block/codeblock~CodeBlockConfig#languages} to learn more.\n *\n *\t\t{\n *\t\t\t language: 'javascript',\n *\t\t\t label: 'JavaScript'\n *\t\t}\n *\n * @typedef {Object} module:code-block/codeblock~CodeBlockLanguageDefinition\n * @property {String} language The name of the language that will be stored in the model attribute. Also, when `class`\n * is not specified, it will be used to create the CSS class associated with the language (prefixed by \"language-\").\n * @property {String} label The human–readable label associated with the language and displayed in the UI.\n * @property {String} [class] The CSS class associated with the language. When not specified the `language`\n * property is used to create a class prefixed by \"language-\".\n */\n\n/**\n * The list of code languages available in the user interface to choose for a particular code block.\n *\n * The language of the code block is represented as a CSS class (by default prefixed by \"language-\") set on the\n * `<code>` element, both when editing and in the editor data. The CSS class associated with the language\n * can be used by third–party code syntax highlighters to detect and apply the correct highlighting.\n *\n * For instance, this language configuration:\n *\n *\t\tClassicEditor\n *\t\t\t.create( document.querySelector( '#editor' ), {\n *\t\t\t\tcodeBlock: {\n *\t\t\t\t\tlanguages: [\n *\t\t\t\t\t\t// ...\n *\t\t\t\t\t\t{ language: 'javascript', label: 'JavaScript' },\n *\t\t\t\t\t\t// ...\n *\t\t\t\t\t]\n *\t\t\t\t}\n *\t\t} )\n *\t\t.then( ... )\n *\t\t.catch( ... );\n *\n * will result in the following structure of JavaScript code blocks in the editor editing and data:\n *\n *\t\t<pre><code class=\"language-javascript\">window.alert( 'Hello world!' )</code></pre>\n *\n * You can customize the CSS class by specifying an optional `class` property in the language definition.\n * You can set **multiple classes** but **only the first one** will be used as defining language class:\n *\n *\t\tClassicEditor\n *\t\t\t.create( document.querySelector( '#editor' ), {\n *\t\t\t\tcodeBlock: {\n *\t\t\t\t\tlanguages: [\n *\t\t\t\t\t\t// Do not render the CSS class for the plain text code blocks.\n *\t\t\t\t\t\t{ language: 'plaintext', label: 'Plain text', class: '' },\n *\n *\t\t\t\t\t\t// Use the \"php-code\" class for PHP code blocks.\n *\t\t\t\t\t\t{ language: 'php', label: 'PHP', class: 'php-code' },\n *\n *\t\t\t\t\t\t// Use the \"js\" class for JavaScript code blocks.\n *\t\t\t\t\t\t// Note that only the first (\"js\") class will determine the language of the block when loading data.\n *\t\t\t\t\t\t{ language: 'javascript', label: 'JavaScript', class: 'js javascript js-code' },\n *\n *\t\t\t\t\t\t// Python code blocks will have the default \"language-python\" CSS class.\n *\t\t\t\t\t\t{ language: 'python', label: 'Python' }\n *\t\t\t\t\t]\n *\t\t\t\t}\n *\t\t} )\n *\t\t.then( ... )\n *\t\t.catch( ... );\n *\n * The default value of the language configuration is as follows:\n *\n *\t\tlanguages: [\n *\t\t\t{ language: 'plaintext', label: 'Plain text' }, // The default language.\n *\t\t\t{ language: 'c', label: 'C' },\n *\t\t\t{ language: 'cs', label: 'C#' },\n *\t\t\t{ language: 'cpp', label: 'C++' },\n *\t\t\t{ language: 'css', label: 'CSS' },\n *\t\t\t{ language: 'diff', label: 'Diff' },\n *\t\t\t{ language: 'html', label: 'HTML' },\n *\t\t\t{ language: 'java', label: 'Java' },\n *\t\t\t{ language: 'javascript', label: 'JavaScript' },\n *\t\t\t{ language: 'php', label: 'PHP' },\n *\t\t\t{ language: 'python', label: 'Python' },\n *\t\t\t{ language: 'ruby', label: 'Ruby' },\n *\t\t\t{ language: 'typescript', label: 'TypeScript' },\n *\t\t\t{ language: 'xml', label: 'XML' }\n *\t\t]\n *\n * **Note**: The first language defined in the configuration is considered the default one. This means it will be\n * applied to code blocks loaded from the data that have no CSS `class` specified (or no matching `class` in the configuration).\n * It will also be used when creating new code blocks using the main UI button. By default it is \"Plain text\".\n *\n * @member {Array.<module:code-block/codeblock~CodeBlockLanguageDefinition>} module:code-block/codeblock~CodeBlockConfig#languages\n */\n\n/**\n * A sequence of characters inserted or removed from the code block lines when its indentation\n * is changed by the user, for instance, using <kbd>Tab</kbd> and <kbd>Shift</kbd>+<kbd>Tab</kbd> keys.\n *\n * The default value is a single tab character (\"\t\", `\\u0009` in Unicode).\n *\n * This configuration is used by `indentCodeBlock` and `outdentCodeBlock` commands (instances of\n * {@link module:code-block/indentcodeblockcommand~IndentCodeBlockCommand}).\n *\n * **Note**: Setting this configuration to `false` will disable the code block indentation commands\n * and associated keystrokes.\n *\n * @member {String} module:code-block/codeblock~CodeBlockConfig#indentSequence\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module code-block/codeblockcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { first } from 'ckeditor5/src/utils';\n\nimport { getNormalizedAndLocalizedLanguageDefinitions } from './utils';\n\n/**\n * The code block command plugin.\n *\n * @extends module:core/command~Command\n */\nexport default class CodeBlockCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * Contains the last used language.\n\n\t\t * @protected\n\t\t * @type {String|null}\n\t\t */\n\t\tthis._lastLanguage = null;\n\t}\n\n\t/**\n\t * Whether the selection starts in a code block.\n\t *\n\t * @observable\n\t * @readonly\n\t * @member {Boolean} #value\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.value = this._getValue();\n\t\tthis.isEnabled = this._checkEnabled();\n\t}\n\n\t/**\n\t * Executes the command. When the command {@link #value is on}, all topmost code blocks within\n\t * the selection will be removed. If it is off, all selected blocks will be flattened and\n\t * wrapped by a code block.\n\t *\n\t * @fires execute\n\t * @param {Object} [options] Command options.\n\t * @param {String} [options.language] The code block language.\n\t * @param {Boolean} [options.forceValue] If set, it will force the command behavior. If `true`, the command will apply a code block,\n\t * otherwise the command will remove the code block. If not set, the command will act basing on its current value.\n\t * @param {Boolean} [options.usePreviousLanguageChoice] If set on `true` and the `options.language` is not specified, the command\n\t * will apply the previous language (if the command was already executed) when inserting the `codeBlock` element.\n\t */\n\texecute( options = {} ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst normalizedLanguagesDefs = getNormalizedAndLocalizedLanguageDefinitions( editor );\n\t\tconst firstLanguageInConfig = normalizedLanguagesDefs[ 0 ];\n\n\t\tconst blocks = Array.from( selection.getSelectedBlocks() );\n\t\tconst value = ( options.forceValue === undefined ) ? !this.value : options.forceValue;\n\t\tconst language = getLanguage( options, this._lastLanguage, firstLanguageInConfig.language );\n\n\t\tmodel.change( writer => {\n\t\t\tif ( value ) {\n\t\t\t\tthis._applyCodeBlock( writer, blocks, language );\n\t\t\t} else {\n\t\t\t\tthis._removeCodeBlock( writer, blocks );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Checks the command's {@link #value}.\n\t *\n\t * @private\n\t * @returns {Boolean} The current value.\n\t */\n\t_getValue() {\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst firstBlock = first( selection.getSelectedBlocks() );\n\t\tconst isCodeBlock = !!( firstBlock && firstBlock.is( 'element', 'codeBlock' ) );\n\n\t\treturn isCodeBlock ? firstBlock.getAttribute( 'language' ) : false;\n\t}\n\n\t/**\n\t * Checks whether the command can be enabled in the current context.\n\t *\n\t * @private\n\t * @returns {Boolean} Whether the command should be enabled.\n\t */\n\t_checkEnabled() {\n\t\tif ( this.value ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst schema = this.editor.model.schema;\n\n\t\tconst firstBlock = first( selection.getSelectedBlocks() );\n\n\t\tif ( !firstBlock ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn canBeCodeBlock( schema, firstBlock );\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @param {Array.<module:engine/model/element~Element>} blocks\n\t * @param {String} [language]\n\t */\n\t_applyCodeBlock( writer, blocks, language ) {\n\t\tthis._lastLanguage = language;\n\n\t\tconst schema = this.editor.model.schema;\n\t\tconst allowedBlocks = blocks.filter( block => canBeCodeBlock( schema, block ) );\n\n\t\tfor ( const block of allowedBlocks ) {\n\t\t\twriter.rename( block, 'codeBlock' );\n\t\t\twriter.setAttribute( 'language', language, block );\n\t\t\tschema.removeDisallowedAttributes( [ block ], writer );\n\n\t\t\t// Remove children of the  `codeBlock` element that are not allowed. See #9567.\n\t\t\tArray.from( block.getChildren() )\n\t\t\t\t.filter( child => !schema.checkChild( block, child ) )\n\t\t\t\t.forEach( child => writer.remove( child ) );\n\t\t}\n\n\t\tallowedBlocks.reverse().forEach( ( currentBlock, i ) => {\n\t\t\tconst nextBlock = allowedBlocks[ i + 1 ];\n\n\t\t\tif ( currentBlock.previousSibling === nextBlock ) {\n\t\t\t\twriter.appendElement( 'softBreak', nextBlock );\n\t\t\t\twriter.merge( writer.createPositionBefore( currentBlock ) );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @param {Array.<module:engine/model/element~Element>} blocks\n\t */\n\t_removeCodeBlock( writer, blocks ) {\n\t\tconst codeBlocks = blocks.filter( block => block.is( 'element', 'codeBlock' ) );\n\n\t\tfor ( const block of codeBlocks ) {\n\t\t\tconst range = writer.createRangeOn( block );\n\n\t\t\tfor ( const item of Array.from( range.getItems() ).reverse() ) {\n\t\t\t\tif ( item.is( 'element', 'softBreak' ) && item.parent.is( 'element', 'codeBlock' ) ) {\n\t\t\t\t\tconst { position } = writer.split( writer.createPositionBefore( item ) );\n\n\t\t\t\t\twriter.rename( position.nodeAfter, 'paragraph' );\n\t\t\t\t\twriter.removeAttribute( 'language', position.nodeAfter );\n\t\t\t\t\twriter.remove( item );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\twriter.rename( block, 'paragraph' );\n\t\t\twriter.removeAttribute( 'language', block );\n\t\t}\n\t}\n}\n\nfunction canBeCodeBlock( schema, element ) {\n\tif ( element.is( 'rootElement' ) || schema.isLimit( element ) ) {\n\t\treturn false;\n\t}\n\n\treturn schema.checkChild( element.parent, 'codeBlock' );\n}\n\n// Picks the language for the new code block. If any language is passed as an option,\n// it will be returned. Else, if option usePreviousLanguageChoice is true and some\n// code block was already created (lastLanguage is not null) then previously used\n// language will be returned. If not, it will return default language.\n//\n// @param {Object} options\n// @param {Boolean} [options.usePreviousLanguageChoice]\n// @param {String} [options.language]\n// @param {String|null} lastLanguage\n// @param {String} defaultLanguage\n// @return {String}\nfunction getLanguage( options, lastLanguage, defaultLanguage ) {\n\tif ( options.language ) {\n\t\treturn options.language;\n\t}\n\n\tif ( options.usePreviousLanguageChoice && lastLanguage ) {\n\t\treturn lastLanguage;\n\t}\n\n\treturn defaultLanguage;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module code-block/codeblockediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ShiftEnter } from 'ckeditor5/src/enter';\nimport { UpcastWriter } from 'ckeditor5/src/engine';\n\nimport CodeBlockCommand from './codeblockcommand';\nimport IndentCodeBlockCommand from './indentcodeblockcommand';\nimport OutdentCodeBlockCommand from './outdentcodeblockcommand';\nimport {\n\tgetNormalizedAndLocalizedLanguageDefinitions,\n\tgetLeadingWhiteSpaces,\n\trawSnippetTextToViewDocumentFragment\n} from './utils';\nimport {\n\tmodelToViewCodeBlockInsertion,\n\tmodelToDataViewSoftBreakInsertion,\n\tdataViewToModelCodeBlockInsertion,\n\tdataViewToModelTextNewlinesInsertion\n} from './converters';\n\nconst DEFAULT_ELEMENT = 'paragraph';\n\n/**\n * The editing part of the code block feature.\n *\n * Introduces the `'codeBlock'` command and the `'codeBlock'` model element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class CodeBlockEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'CodeBlockEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ShiftEnter ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'codeBlock', {\n\t\t\tlanguages: [\n\t\t\t\t{ language: 'plaintext', label: 'Plain text' },\n\t\t\t\t{ language: 'c', label: 'C' },\n\t\t\t\t{ language: 'cs', label: 'C#' },\n\t\t\t\t{ language: 'cpp', label: 'C++' },\n\t\t\t\t{ language: 'css', label: 'CSS' },\n\t\t\t\t{ language: 'diff', label: 'Diff' },\n\t\t\t\t{ language: 'html', label: 'HTML' },\n\t\t\t\t{ language: 'java', label: 'Java' },\n\t\t\t\t{ language: 'javascript', label: 'JavaScript' },\n\t\t\t\t{ language: 'php', label: 'PHP' },\n\t\t\t\t{ language: 'python', label: 'Python' },\n\t\t\t\t{ language: 'ruby', label: 'Ruby' },\n\t\t\t\t{ language: 'typescript', label: 'TypeScript' },\n\t\t\t\t{ language: 'xml', label: 'XML' }\n\t\t\t],\n\n\t\t\t// A single tab.\n\t\t\tindentSequence: '\\t'\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst model = editor.model;\n\t\tconst view = editor.editing.view;\n\n\t\tconst normalizedLanguagesDefs = getNormalizedAndLocalizedLanguageDefinitions( editor );\n\n\t\t// The main command.\n\t\teditor.commands.add( 'codeBlock', new CodeBlockCommand( editor ) );\n\n\t\t// Commands that change the indentation.\n\t\teditor.commands.add( 'indentCodeBlock', new IndentCodeBlockCommand( editor ) );\n\t\teditor.commands.add( 'outdentCodeBlock', new OutdentCodeBlockCommand( editor ) );\n\n\t\tconst getCommandExecuter = commandName => {\n\t\t\treturn ( data, cancel ) => {\n\t\t\t\tconst command = this.editor.commands.get( commandName );\n\n\t\t\t\tif ( command.isEnabled ) {\n\t\t\t\t\tthis.editor.execute( commandName );\n\t\t\t\t\tcancel();\n\t\t\t\t}\n\t\t\t};\n\t\t};\n\n\t\teditor.keystrokes.set( 'Tab', getCommandExecuter( 'indentCodeBlock' ) );\n\t\teditor.keystrokes.set( 'Shift+Tab', getCommandExecuter( 'outdentCodeBlock' ) );\n\n\t\tschema.register( 'codeBlock', {\n\t\t\tallowWhere: '$block',\n\t\t\tallowChildren: '$text',\n\t\t\tisBlock: true,\n\t\t\tallowAttributes: [ 'language' ]\n\t\t} );\n\n\t\t// Disallow all attributes on $text inside `codeBlock`.\n\t\tschema.addAttributeCheck( context => {\n\t\t\tif ( context.endsWith( 'codeBlock $text' ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} );\n\n\t\t// Disallow object elements inside `codeBlock`. See #9567.\n\t\teditor.model.schema.addChildCheck( ( context, childDefinition ) => {\n\t\t\tif ( context.endsWith( 'codeBlock' ) && childDefinition.isObject ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} );\n\n\t\t// Conversion.\n\t\teditor.editing.downcastDispatcher.on( 'insert:codeBlock', modelToViewCodeBlockInsertion( model, normalizedLanguagesDefs, true ) );\n\t\teditor.data.downcastDispatcher.on( 'insert:codeBlock', modelToViewCodeBlockInsertion( model, normalizedLanguagesDefs ) );\n\t\teditor.data.downcastDispatcher.on( 'insert:softBreak', modelToDataViewSoftBreakInsertion( model ), { priority: 'high' } );\n\n\t\teditor.data.upcastDispatcher.on( 'element:code', dataViewToModelCodeBlockInsertion( view, normalizedLanguagesDefs ) );\n\t\teditor.data.upcastDispatcher.on( 'text', dataViewToModelTextNewlinesInsertion() );\n\n\t\t// Intercept the clipboard input (paste) when the selection is anchored in the code block and force the clipboard\n\t\t// data to be pasted as a single plain text. Otherwise, the code lines will split the code block and\n\t\t// \"spill out\" as separate paragraphs.\n\t\tthis.listenTo( editor.editing.view.document, 'clipboardInput', ( evt, data ) => {\n\t\t\tlet insertionRange = model.createRange( model.document.selection.anchor );\n\n\t\t\t// Use target ranges in case this is a drop.\n\t\t\tif ( data.targetRanges ) {\n\t\t\t\tinsertionRange = editor.editing.mapper.toModelRange( data.targetRanges[ 0 ] );\n\t\t\t}\n\n\t\t\tif ( !insertionRange.start.parent.is( 'element', 'codeBlock' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst text = data.dataTransfer.getData( 'text/plain' );\n\t\t\tconst writer = new UpcastWriter( editor.editing.view.document );\n\n\t\t\t// Pass the view fragment to the default clipboardInput handler.\n\t\t\tdata.content = rawSnippetTextToViewDocumentFragment( writer, text );\n\t\t} );\n\n\t\t// Make sure multi–line selection is always wrapped in a code block when `getSelectedContent()`\n\t\t// is used (e.g. clipboard copy). Otherwise, only the raw text will be copied to the clipboard and,\n\t\t// upon next paste, this bare text will not be inserted as a code block, which is not the best UX.\n\t\t// Similarly, when the selection in a single line, the selected content should be an inline code\n\t\t// so it can be pasted later on and retain it's preformatted nature.\n\t\tthis.listenTo( model, 'getSelectedContent', ( evt, [ selection ] ) => {\n\t\t\tconst anchor = selection.anchor;\n\n\t\t\tif ( selection.isCollapsed || !anchor.parent.is( 'element', 'codeBlock' ) || !anchor.hasSameParentAs( selection.focus ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tmodel.change( writer => {\n\t\t\t\tconst docFragment = evt.return;\n\n\t\t\t\t// fo[o<softBreak></softBreak>b]ar  ->   <codeBlock language=\"...\">[o<softBreak></softBreak>b]<codeBlock>\n\t\t\t\tif ( docFragment.childCount > 1 || selection.containsEntireContent( anchor.parent ) ) {\n\t\t\t\t\tconst codeBlock = writer.createElement( 'codeBlock', anchor.parent.getAttributes() );\n\t\t\t\t\twriter.append( docFragment, codeBlock );\n\n\t\t\t\t\tconst newDocumentFragment = writer.createDocumentFragment();\n\t\t\t\t\twriter.append( codeBlock, newDocumentFragment );\n\n\t\t\t\t\tevt.return = newDocumentFragment;\n\t\t\t\t}\n\n\t\t\t\t// \"f[oo]\"                          ->   <$text code=\"true\">oo</text>\n\t\t\t\telse {\n\t\t\t\t\tconst textNode = docFragment.getChild( 0 );\n\n\t\t\t\t\tif ( schema.checkAttribute( textNode, 'code' ) ) {\n\t\t\t\t\t\twriter.setAttribute( 'code', true, textNode );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst editor = this.editor;\n\t\tconst commands = editor.commands;\n\t\tconst indent = commands.get( 'indent' );\n\t\tconst outdent = commands.get( 'outdent' );\n\n\t\tif ( indent ) {\n\t\t\tindent.registerChildCommand( commands.get( 'indentCodeBlock' ) );\n\t\t}\n\n\t\tif ( outdent ) {\n\t\t\toutdent.registerChildCommand( commands.get( 'outdentCodeBlock' ) );\n\t\t}\n\n\t\t// Customize the response to the <kbd>Enter</kbd> and <kbd>Shift</kbd>+<kbd>Enter</kbd>\n\t\t// key press when the selection is in the code block. Upon enter key press we can either\n\t\t// leave the block if it's \"two or three enters\" in a row or create a new code block line, preserving\n\t\t// previous line's indentation.\n\t\tthis.listenTo( editor.editing.view.document, 'enter', ( evt, data ) => {\n\t\t\tconst positionParent = editor.model.document.selection.getLastPosition().parent;\n\n\t\t\tif ( !positionParent.is( 'element', 'codeBlock' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( !leaveBlockStartOnEnter( editor, data.isSoft ) && !leaveBlockEndOnEnter( editor, data.isSoft ) ) {\n\t\t\t\tbreakLineOnEnter( editor );\n\t\t\t}\n\n\t\t\tdata.preventDefault();\n\t\t\tevt.stop();\n\t\t}, { context: 'pre' } );\n\t}\n}\n\n// Normally, when the Enter (or Shift+Enter) key is pressed, a soft line break is to be added to the\n// code block. Let's try to follow the indentation of the previous line when possible, for instance:\n//\n//\t\t// Before pressing enter (or shift enter)\n//\t\t<codeBlock>\n//\t\t\"    foo()\"[]                   // Indent of 4 spaces.\n//\t\t</codeBlock>\n//\n//\t\t// After pressing:\n//\t\t<codeBlock>\n//\t\t\"    foo()\"                 // Indent of 4 spaces.\n//\t\t<softBreak></softBreak>     // A new soft break created by pressing enter.\n//\t\t\"    \"[]                    // Retain the indent of 4 spaces.\n//\t\t</codeBlock>\n//\n// @param {module:core/editor/editor~Editor} editor\nfunction breakLineOnEnter( editor ) {\n\tconst model = editor.model;\n\tconst modelDoc = model.document;\n\tconst lastSelectionPosition = modelDoc.selection.getLastPosition();\n\tconst node = lastSelectionPosition.nodeBefore || lastSelectionPosition.textNode;\n\tlet leadingWhiteSpaces;\n\n\t// Figure out the indentation (white space chars) at the beginning of the line.\n\tif ( node && node.is( '$text' ) ) {\n\t\tleadingWhiteSpaces = getLeadingWhiteSpaces( node );\n\t}\n\n\t// Keeping everything in a change block for a single undo step.\n\teditor.model.change( writer => {\n\t\teditor.execute( 'shiftEnter' );\n\n\t\t// If the line before being broken in two had some indentation, let's retain it\n\t\t// in the new line.\n\t\tif ( leadingWhiteSpaces ) {\n\t\t\twriter.insertText( leadingWhiteSpaces, modelDoc.selection.anchor );\n\t\t}\n\t} );\n}\n\n// Leave the code block when Enter (but NOT Shift+Enter) has been pressed twice at the beginning\n// of the code block:\n//\n//\t\t// Before:\n//\t\t<codeBlock>[]<softBreak></softBreak>foo</codeBlock>\n//\n//\t\t// After pressing:\n//\t\t<paragraph>[]</paragraph><codeBlock>foo</codeBlock>\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {Boolean} isSoftEnter When `true`, enter was pressed along with <kbd>Shift</kbd>.\n// @returns {Boolean} `true` when selection left the block. `false` if stayed.\nfunction leaveBlockStartOnEnter( editor, isSoftEnter ) {\n\tconst model = editor.model;\n\tconst modelDoc = model.document;\n\tconst view = editor.editing.view;\n\tconst lastSelectionPosition = modelDoc.selection.getLastPosition();\n\tconst nodeAfter = lastSelectionPosition.nodeAfter;\n\n\tif ( isSoftEnter || !modelDoc.selection.isCollapsed || !lastSelectionPosition.isAtStart ) {\n\t\treturn false;\n\t}\n\n\tif ( !isSoftBreakNode( nodeAfter ) ) {\n\t\treturn false;\n\t}\n\n\t// We're doing everything in a single change block to have a single undo step.\n\teditor.model.change( writer => {\n\t\t// \"Clone\" the <codeBlock> in the standard way.\n\t\teditor.execute( 'enter' );\n\n\t\t// The cloned block exists now before the original code block.\n\t\tconst newBlock = modelDoc.selection.anchor.parent.previousSibling;\n\n\t\t// Make the cloned <codeBlock> a regular <paragraph> (with clean attributes, so no language).\n\t\twriter.rename( newBlock, DEFAULT_ELEMENT );\n\t\twriter.setSelection( newBlock, 'in' );\n\t\teditor.model.schema.removeDisallowedAttributes( [ newBlock ], writer );\n\n\t\t// Remove the <softBreak> that originally followed the selection position.\n\t\twriter.remove( nodeAfter );\n\t} );\n\n\t// Eye candy.\n\tview.scrollToTheSelection();\n\n\treturn true;\n}\n\n// Leave the code block when Enter (but NOT Shift+Enter) has been pressed twice at the end\n// of the code block:\n//\n//\t\t// Before:\n//\t\t<codeBlock>foo[]</codeBlock>\n//\n//\t\t// After first press:\n//\t\t<codeBlock>foo<softBreak></softBreak>[]</codeBlock>\n//\n//\t\t// After second press:\n//\t\t<codeBlock>foo</codeBlock><paragraph>[]</paragraph>\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {Boolean} isSoftEnter When `true`, enter was pressed along with <kbd>Shift</kbd>.\n// @returns {Boolean} `true` when selection left the block. `false` if stayed.\nfunction leaveBlockEndOnEnter( editor, isSoftEnter ) {\n\tconst model = editor.model;\n\tconst modelDoc = model.document;\n\tconst view = editor.editing.view;\n\tconst lastSelectionPosition = modelDoc.selection.getLastPosition();\n\tconst nodeBefore = lastSelectionPosition.nodeBefore;\n\n\tlet emptyLineRangeToRemoveOnEnter;\n\n\tif ( isSoftEnter || !modelDoc.selection.isCollapsed || !lastSelectionPosition.isAtEnd || !nodeBefore || !nodeBefore.previousSibling ) {\n\t\treturn false;\n\t}\n\n\t// When the position is directly preceded by two soft breaks\n\t//\n\t//\t\t<codeBlock>foo<softBreak></softBreak><softBreak></softBreak>[]</codeBlock>\n\t//\n\t// it creates the following range that will be cleaned up before leaving:\n\t//\n\t//\t\t<codeBlock>foo[<softBreak></softBreak><softBreak></softBreak>]</codeBlock>\n\t//\n\tif ( isSoftBreakNode( nodeBefore ) && isSoftBreakNode( nodeBefore.previousSibling ) ) {\n\t\temptyLineRangeToRemoveOnEnter = model.createRange(\n\t\t\tmodel.createPositionBefore( nodeBefore.previousSibling ), model.createPositionAfter( nodeBefore )\n\t\t);\n\t}\n\n\t// When there's some text before the position that is\n\t// preceded by two soft breaks and made purely of white–space characters\n\t//\n\t//\t\t<codeBlock>foo<softBreak></softBreak><softBreak></softBreak>    []</codeBlock>\n\t//\n\t// it creates the following range to clean up before leaving:\n\t//\n\t//\t\t<codeBlock>foo[<softBreak></softBreak><softBreak></softBreak>    ]</codeBlock>\n\t//\n\telse if (\n\t\tisEmptyishTextNode( nodeBefore ) &&\n\t\tisSoftBreakNode( nodeBefore.previousSibling ) &&\n\t\tisSoftBreakNode( nodeBefore.previousSibling.previousSibling )\n\t) {\n\t\temptyLineRangeToRemoveOnEnter = model.createRange(\n\t\t\tmodel.createPositionBefore( nodeBefore.previousSibling.previousSibling ), model.createPositionAfter( nodeBefore )\n\t\t);\n\t}\n\n\t// When there's some text before the position that is made purely of white–space characters\n\t// and is preceded by some other text made purely of white–space characters\n\t//\n\t//\t\t<codeBlock>foo<softBreak></softBreak>    <softBreak></softBreak>    []</codeBlock>\n\t//\n\t// it creates the following range to clean up before leaving:\n\t//\n\t//\t\t<codeBlock>foo[<softBreak></softBreak>    <softBreak></softBreak>    ]</codeBlock>\n\t//\n\telse if (\n\t\tisEmptyishTextNode( nodeBefore ) &&\n\t\tisSoftBreakNode( nodeBefore.previousSibling ) &&\n\t\tisEmptyishTextNode( nodeBefore.previousSibling.previousSibling ) &&\n\t\tisSoftBreakNode( nodeBefore.previousSibling.previousSibling.previousSibling )\n\t) {\n\t\temptyLineRangeToRemoveOnEnter = model.createRange(\n\t\t\tmodel.createPositionBefore( nodeBefore.previousSibling.previousSibling.previousSibling ),\n\t\t\tmodel.createPositionAfter( nodeBefore )\n\t\t);\n\t}\n\n\t// Not leaving the block in the following cases:\n\t//\n\t//\t\t<codeBlock>    []</codeBlock>\n\t//\t\t<codeBlock>  a []</codeBlock>\n\t//\t\t<codeBlock>foo<softBreak></softBreak>[]</codeBlock>\n\t//\t\t<codeBlock>foo<softBreak></softBreak><softBreak></softBreak>bar[]</codeBlock>\n\t//\t\t<codeBlock>foo<softBreak></softBreak><softBreak></softBreak> a []</codeBlock>\n\t//\n\telse {\n\t\treturn false;\n\t}\n\n\t// We're doing everything in a single change block to have a single undo step.\n\teditor.model.change( writer => {\n\t\t// Remove the last <softBreak>s and all white space characters that followed them.\n\t\twriter.remove( emptyLineRangeToRemoveOnEnter );\n\n\t\t// \"Clone\" the <codeBlock> in the standard way.\n\t\teditor.execute( 'enter' );\n\n\t\tconst newBlock = modelDoc.selection.anchor.parent;\n\n\t\t// Make the cloned <codeBlock> a regular <paragraph> (with clean attributes, so no language).\n\t\twriter.rename( newBlock, DEFAULT_ELEMENT );\n\t\teditor.model.schema.removeDisallowedAttributes( [ newBlock ], writer );\n\t} );\n\n\t// Eye candy.\n\tview.scrollToTheSelection();\n\n\treturn true;\n}\n\nfunction isEmptyishTextNode( node ) {\n\treturn node && node.is( '$text' ) && !node.data.match( /\\S/ );\n}\n\nfunction isSoftBreakNode( node ) {\n\treturn node && node.is( 'element', 'softBreak' );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module code-block/codeblockui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Collection } from 'ckeditor5/src/utils';\nimport { Model, SplitButtonView, createDropdown, addListToDropdown } from 'ckeditor5/src/ui';\n\nimport { getNormalizedAndLocalizedLanguageDefinitions } from './utils';\n\nimport codeBlockIcon from '../theme/icons/codeblock.svg';\nimport '../theme/codeblock.css';\n\n/**\n * The code block UI plugin.\n *\n * Introduces the `'codeBlock'` dropdown.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class CodeBlockUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'CodeBlockUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst componentFactory = editor.ui.componentFactory;\n\t\tconst normalizedLanguageDefs = getNormalizedAndLocalizedLanguageDefinitions( editor );\n\n\t\tcomponentFactory.add( 'codeBlock', locale => {\n\t\t\tconst command = editor.commands.get( 'codeBlock' );\n\t\t\tconst dropdownView = createDropdown( locale, SplitButtonView );\n\t\t\tconst splitButtonView = dropdownView.buttonView;\n\n\t\t\tsplitButtonView.set( {\n\t\t\t\tlabel: t( 'Insert code block' ),\n\t\t\t\ttooltip: true,\n\t\t\t\ticon: codeBlockIcon,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tsplitButtonView.bind( 'isOn' ).to( command, 'value', value => !!value );\n\n\t\t\tsplitButtonView.on( 'execute', () => {\n\t\t\t\teditor.execute( 'codeBlock', {\n\t\t\t\t\tusePreviousLanguageChoice: true\n\t\t\t\t} );\n\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\tdropdownView.on( 'execute', evt => {\n\t\t\t\teditor.execute( 'codeBlock', {\n\t\t\t\t\tlanguage: evt.source._codeBlockLanguage,\n\t\t\t\t\tforceValue: true\n\t\t\t\t} );\n\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\tdropdownView.class = 'ck-code-block-dropdown';\n\t\t\tdropdownView.bind( 'isEnabled' ).to( command );\n\n\t\t\taddListToDropdown( dropdownView, this._getLanguageListItemDefinitions( normalizedLanguageDefs ) );\n\n\t\t\treturn dropdownView;\n\t\t} );\n\t}\n\n\t/**\n\t * A helper returning a collection of the `codeBlock` dropdown items representing languages\n\t * available for the user to choose from.\n\t *\n\t * @private\n\t * @param {Array.<module:code-block/codeblock~CodeBlockLanguageDefinition>} normalizedLanguageDefs\n\t * @returns {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>}\n\t */\n\t_getLanguageListItemDefinitions( normalizedLanguageDefs ) {\n\t\tconst editor = this.editor;\n\t\tconst command = editor.commands.get( 'codeBlock' );\n\t\tconst itemDefinitions = new Collection();\n\n\t\tfor ( const languageDef of normalizedLanguageDefs ) {\n\t\t\tconst definition = {\n\t\t\t\ttype: 'button',\n\t\t\t\tmodel: new Model( {\n\t\t\t\t\t_codeBlockLanguage: languageDef.language,\n\t\t\t\t\tlabel: languageDef.label,\n\t\t\t\t\twithText: true\n\t\t\t\t} )\n\t\t\t};\n\n\t\t\tdefinition.model.bind( 'isOn' ).to( command, 'value', value => {\n\t\t\t\treturn value === definition.model._codeBlockLanguage;\n\t\t\t} );\n\n\t\t\titemDefinitions.add( definition );\n\t\t}\n\n\t\treturn itemDefinitions;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module code-block/converters\n */\n\nimport { getPropertyAssociation } from './utils';\n\n/**\n * A model-to-view (both editing and data) converter for the `codeBlock` element.\n *\n * Sample input:\n *\n *\t\t<codeBlock language=\"javascript\">foo();<softBreak></softBreak>bar();</codeBlock>\n *\n * Sample output (editing):\n *\n *\t\t<pre data-language=\"JavaScript\"><code class=\"language-javascript\">foo();<br />bar();</code></pre>\n *\n * Sample output (data, see {@link module:code-block/converters~modelToDataViewSoftBreakInsertion}):\n *\n *\t\t<pre><code class=\"language-javascript\">foo();\\nbar();</code></pre>\n *\n * @param {module:engine/model/model~Model} model\n * @param {Array.<module:code-block/codeblock~CodeBlockLanguageDefinition>} languageDefs The normalized language\n * configuration passed to the feature.\n * @param {Boolean} [useLabels=false] When `true`, the `<pre>` element will get a `data-language` attribute with a\n * human–readable label of the language. Used only in the editing.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelToViewCodeBlockInsertion( model, languageDefs, useLabels = false ) {\n\t// Language CSS classes:\n\t//\n\t//\t\t{\n\t//\t\t\tphp: 'language-php',\n\t//\t\t\tpython: 'language-python',\n\t//\t\t\tjavascript: 'js',\n\t//\t\t\t...\n\t//\t\t}\n\tconst languagesToClasses = getPropertyAssociation( languageDefs, 'language', 'class' );\n\n\t// Language labels:\n\t//\n\t//\t\t{\n\t//\t\t\tphp: 'PHP',\n\t//\t\t\tpython: 'Python',\n\t//\t\t\tjavascript: 'JavaScript',\n\t//\t\t\t...\n\t//\t\t}\n\tconst languagesToLabels = getPropertyAssociation( languageDefs, 'language', 'label' );\n\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst { writer, mapper, consumable } = conversionApi;\n\n\t\tif ( !consumable.consume( data.item, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst codeBlockLanguage = data.item.getAttribute( 'language' );\n\t\tconst targetViewPosition = mapper.toViewPosition( model.createPositionBefore( data.item ) );\n\t\tconst preAttributes = {};\n\n\t\t// Attributes added only in the editing view.\n\t\tif ( useLabels ) {\n\t\t\tpreAttributes[ 'data-language' ] = languagesToLabels[ codeBlockLanguage ];\n\t\t\tpreAttributes.spellcheck = 'false';\n\t\t}\n\n\t\tconst pre = writer.createContainerElement( 'pre', preAttributes );\n\t\tconst code = writer.createContainerElement( 'code', {\n\t\t\tclass: languagesToClasses[ codeBlockLanguage ] || null\n\t\t} );\n\n\t\twriter.insert( writer.createPositionAt( pre, 0 ), code );\n\t\twriter.insert( targetViewPosition, pre );\n\t\tmapper.bindElements( data.item, code );\n\t};\n}\n\n/**\n * A model-to-data view converter for the new line (`softBreak`) separator.\n *\n * Sample input:\n *\n *\t\t<codeBlock ...>foo();<softBreak></softBreak>bar();</codeBlock>\n *\n * Sample output:\n *\n *\t\t<pre><code ...>foo();\\nbar();</code></pre>\n *\n * @param {module:engine/model/model~Model} model\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelToDataViewSoftBreakInsertion( model ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( data.item.parent.name !== 'codeBlock' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst { writer, mapper, consumable } = conversionApi;\n\n\t\tif ( !consumable.consume( data.item, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst position = mapper.toViewPosition( model.createPositionBefore( data.item ) );\n\n\t\twriter.insert( position, writer.createText( '\\n' ) );\n\t};\n}\n\n/**\n * A view-to-model converter for `<pre>` with the `<code>` HTML.\n *\n * Sample input:\n *\n *\t\t<pre><code class=\"language-javascript\">foo();bar();</code></pre>\n *\n * Sample output:\n *\n *\t\t<codeBlock language=\"javascript\">foo();bar();</codeBlock>\n *\n * @param {module:engine/view/view~View} editingView\n * @param {Array.<module:code-block/codeblock~CodeBlockLanguageDefinition>} languageDefs The normalized language\n * configuration passed to the feature.\n * @returns {Function} Returns a conversion callback.\n */\nexport function dataViewToModelCodeBlockInsertion( editingView, languageDefs ) {\n\t// Language names associated with CSS classes:\n\t//\n\t//\t\t{\n\t//\t\t\t'language-php': 'php',\n\t//\t\t\t'language-python': 'python',\n\t//\t\t\tjs: 'javascript',\n\t//\t\t\t...\n\t//\t\t}\n\tconst classesToLanguages = getPropertyAssociation( languageDefs, 'class', 'language' );\n\tconst defaultLanguageName = languageDefs[ 0 ].language;\n\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewCodeElement = data.viewItem;\n\t\tconst viewPreElement = viewCodeElement.parent;\n\n\t\tif ( !viewPreElement || !viewPreElement.is( 'element', 'pre' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// In case of nested code blocks we don't want to convert to another code block.\n\t\tif ( data.modelCursor.findAncestor( 'codeBlock' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst { consumable, writer } = conversionApi;\n\n\t\tif ( !consumable.test( viewCodeElement, { name: true } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst codeBlock = writer.createElement( 'codeBlock' );\n\t\tconst viewChildClasses = [ ...viewCodeElement.getClassNames() ];\n\n\t\t// As we're to associate each class with a model language, a lack of class (empty class) can be\n\t\t// also associated with a language if the language definition was configured so. Pushing an empty\n\t\t// string to make sure the association will work.\n\t\tif ( !viewChildClasses.length ) {\n\t\t\tviewChildClasses.push( '' );\n\t\t}\n\n\t\t// Figure out if any of the <code> element's class names is a valid programming\n\t\t// language class. If so, use it on the model element (becomes the language of the entire block).\n\t\tfor ( const className of viewChildClasses ) {\n\t\t\tconst language = classesToLanguages[ className ];\n\n\t\t\tif ( language ) {\n\t\t\t\twriter.setAttribute( 'language', language, codeBlock );\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\t// If no language value was set, use the default language from the config.\n\t\tif ( !codeBlock.hasAttribute( 'language' ) ) {\n\t\t\twriter.setAttribute( 'language', defaultLanguageName, codeBlock );\n\t\t}\n\n\t\tconversionApi.convertChildren( viewCodeElement, codeBlock );\n\n\t\t// Let's try to insert code block.\n\t\tif ( !conversionApi.safeInsert( codeBlock, data.modelCursor ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconsumable.consume( viewCodeElement, { name: true } );\n\n\t\tconversionApi.updateConversionResult( codeBlock, data );\n\t};\n}\n\n/**\n * A view-to-model converter for new line characters in `<pre>`.\n *\n * Sample input:\n *\n *\t\t<pre><code class=\"language-javascript\">foo();\\nbar();</code></pre>\n *\n * Sample output:\n *\n *\t\t<codeBlock language=\"javascript\">foo();<softBreak></softBreak>bar();</codeBlock>\n *\n * @returns {Function} Returns a conversion callback.\n */\nexport function dataViewToModelTextNewlinesInsertion() {\n\treturn ( evt, data, { consumable, writer } ) => {\n\t\tlet position = data.modelCursor;\n\n\t\t// When node is already converted then do nothing.\n\t\tif ( !consumable.test( data.viewItem ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// When not inside `codeBlock` then do nothing.\n\t\tif ( !position.findAncestor( 'codeBlock' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconsumable.consume( data.viewItem );\n\n\t\tconst text = data.viewItem.data;\n\t\tconst textLines = text.split( '\\n' ).map( data => writer.createText( data ) );\n\t\tconst lastLine = textLines[ textLines.length - 1 ];\n\n\t\tfor ( const node of textLines ) {\n\t\t\twriter.insert( node, position );\n\t\t\tposition = position.getShiftedBy( node.offsetSize );\n\n\t\t\tif ( node !== lastLine ) {\n\t\t\t\tconst softBreak = writer.createElement( 'softBreak' );\n\n\t\t\t\twriter.insert( softBreak, position );\n\t\t\t\tposition = writer.createPositionAfter( softBreak );\n\t\t\t}\n\t\t}\n\n\t\tdata.modelRange = writer.createRange(\n\t\t\tdata.modelCursor,\n\t\t\tposition\n\t\t);\n\t\tdata.modelCursor = position;\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module code-block/indentcodeblockcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nimport {\n\tgetIndentOutdentPositions,\n\tisModelSelectionInCodeBlock\n} from './utils';\n\n/**\n * The code block indentation increase command plugin.\n *\n * @extends module:core/command~Command\n */\nexport default class IndentCodeBlockCommand extends Command {\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A sequence of characters added to the line when the command is executed.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._indentSequence = editor.config.get( 'codeBlock.indentSequence' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.isEnabled = this._checkEnabled();\n\t}\n\n\t/**\n\t * Executes the command. When the command {@link #isEnabled is enabled}, the indentation of the\n\t * code lines in the selection will be increased.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\tmodel.change( writer => {\n\t\t\tconst positions = getIndentOutdentPositions( model );\n\n\t\t\t// Indent all positions, for instance assuming the indent sequence is 4x space (\"    \"):\n\t\t\t//\n\t\t\t//\t\t<codeBlock>^foo</codeBlock>        ->       <codeBlock>    foo</codeBlock>\n\t\t\t//\n\t\t\t//\t\t<codeBlock>foo^bar</codeBlock>     ->       <codeBlock>foo    bar</codeBlock>\n\t\t\t//\n\t\t\t// Also, when there is more than one position:\n\t\t\t//\n\t\t\t//\t\t<codeBlock>\n\t\t\t//\t\t\t^foobar\n\t\t\t//\t\t\t<softBreak></softBreak>\n\t\t\t//\t\t\t^bazqux\n\t\t\t//\t\t</codeBlock>\n\t\t\t//\n\t\t\t//\t\t->\n\t\t\t//\n\t\t\t//\t\t<codeBlock>\n\t\t\t//\t\t\t    foobar\n\t\t\t//\t\t\t<softBreak></softBreak>\n\t\t\t//\t\t\t    bazqux\n\t\t\t//\t\t</codeBlock>\n\t\t\t//\n\t\t\tfor ( const position of positions ) {\n\t\t\t\twriter.insertText( this._indentSequence, position );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Checks whether the command can be enabled in the current context.\n\t *\n\t * @private\n\t * @returns {Boolean} Whether the command should be enabled.\n\t */\n\t_checkEnabled() {\n\t\tif ( !this._indentSequence ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Indent (forward) command is always enabled when there's any code block in the selection\n\t\t// because you can always indent code lines.\n\t\treturn isModelSelectionInCodeBlock( this.editor.model.document.selection );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module code-block/outdentcodeblockcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nimport {\n\tgetLeadingWhiteSpaces,\n\tgetIndentOutdentPositions,\n\tisModelSelectionInCodeBlock\n} from './utils';\n\n/**\n * The code block indentation decrease command plugin.\n *\n * @extends module:core/command~Command\n */\nexport default class OutdentCodeBlockCommand extends Command {\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A sequence of characters removed from the line when the command is executed.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._indentSequence = editor.config.get( 'codeBlock.indentSequence' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.isEnabled = this._checkEnabled();\n\t}\n\n\t/**\n\t * Executes the command. When the command {@link #isEnabled is enabled}, the indentation of the\n\t * code lines in the selection will be decreased.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\tmodel.change( writer => {\n\t\t\tconst positions = getIndentOutdentPositions( model );\n\n\t\t\t// Outdent all positions, for instance assuming the indent sequence is 4x space (\"    \"):\n\t\t\t//\n\t\t\t//\t\t<codeBlock>^foo</codeBlock>         ->       <codeBlock>foo</codeBlock>\n\t\t\t//\n\t\t\t//\t\t<codeBlock>    ^bar</codeBlock>     ->       <codeBlock>bar</codeBlock>\n\t\t\t//\n\t\t\t// Also, when there is more than one position:\n\t\t\t//\n\t\t\t//\t\t<codeBlock>\n\t\t\t//\t\t\t    ^foobar\n\t\t\t//\t\t\t<softBreak></softBreak>\n\t\t\t//\t\t\t    ^bazqux\n\t\t\t//\t\t</codeBlock>\n\t\t\t//\n\t\t\t//\t\t->\n\t\t\t//\n\t\t\t//\t\t<codeBlock>\n\t\t\t//\t\t\tfoobar\n\t\t\t//\t\t\t<softBreak></softBreak>\n\t\t\t//\t\t\tbazqux\n\t\t\t//\t\t</codeBlock>\n\t\t\tfor ( const position of positions ) {\n\t\t\t\tconst range = getLastOutdentableSequenceRange( this.editor.model, position, this._indentSequence );\n\n\t\t\t\tif ( range ) {\n\t\t\t\t\twriter.remove( range );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Checks whether the command can be enabled in the current context.\n\t *\n\t * @private\n\t * @returns {Boolean} Whether the command should be enabled.\n\t */\n\t_checkEnabled() {\n\t\tif ( !this._indentSequence ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst model = this.editor.model;\n\n\t\tif ( !isModelSelectionInCodeBlock( model.document.selection ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Outdent command can execute only when there is an indent character sequence\n\t\t// in some of the lines.\n\t\treturn getIndentOutdentPositions( model ).some( position => {\n\t\t\treturn getLastOutdentableSequenceRange( model, position, this._indentSequence );\n\t\t} );\n\t}\n}\n\n// For a position coming from `getIndentOutdentPositions()`, it returns the range representing\n// the last occurrence of the indent sequence among the leading whitespaces of the code line the\n// position represents.\n//\n// For instance, assuming the indent sequence is 4x space (\"    \"):\n//\n//\t\t<codeBlock>foo^</codeBlock>                                 ->          null\n//\t\t<codeBlock>foo^<softBreak></softBreak>bar</codeBlock>       ->          null\n//\t\t<codeBlock>  ^foo</codeBlock>                               ->          null\n//\t\t<codeBlock>        ^foo</codeBlock>                         ->          <codeBlock>    [    ]foo</codeBlock>\n//\t\t<codeBlock>    ^foo    bar</codeBlock>                      ->          <codeBlock>[    ]foo    bar</codeBlock>\n//\n// @param {<module:engine/model/model~Model>} model\n// @param {<module:engine/model/position~Position>} position\n// @param {String} sequence\n// @returns {<module:engine/model/range~Range>|null}\nfunction getLastOutdentableSequenceRange( model, position, sequence ) {\n\t// Positions start before each text node (code line). Get the node corresponding to the position.\n\tconst nodeAtPosition = getCodeLineTextNodeAtPosition( position );\n\n\tif ( !nodeAtPosition ) {\n\t\treturn null;\n\t}\n\n\tconst leadingWhiteSpaces = getLeadingWhiteSpaces( nodeAtPosition );\n\tconst lastIndexOfSequence = leadingWhiteSpaces.lastIndexOf( sequence );\n\n\t// For instance, assuming the indent sequence is 4x space (\"    \"):\n\t//\n\t//\t\t<codeBlock>    \t^foo</codeBlock>           ->             null\n\t//\n\tif ( lastIndexOfSequence + sequence.length !== leadingWhiteSpaces.length ) {\n\t\treturn null;\n\t}\n\n\t// For instance, assuming the indent sequence is 4x space (\"    \"):\n\t//\n\t//\t\t<codeBlock>  ^foo</codeBlock>           ->             null\n\t//\n\tif ( lastIndexOfSequence === -1 ) {\n\t\treturn null;\n\t}\n\n\tconst { parent, startOffset } = nodeAtPosition;\n\n\t// Create a range that contains the **last** indent sequence among the leading whitespaces\n\t// of the line.\n\t//\n\t// For instance, assuming the indent sequence is 4x space (\"    \"):\n\t//\n\t//\t\t<codeBlock>        ^foo</codeBlock>      ->     <codeBlock>    [    ]foo</codeBlock>\n\t//\n\treturn model.createRange(\n\t\tmodel.createPositionAt( parent, startOffset + lastIndexOfSequence ),\n\t\tmodel.createPositionAt( parent, startOffset + lastIndexOfSequence + sequence.length )\n\t);\n}\n\nfunction getCodeLineTextNodeAtPosition( position ) {\n\t// Positions start before each text node (code line). Get the node corresponding to the position.\n\tlet nodeAtPosition = position.parent.getChild( position.index );\n\n\t// <codeBlock>foo^</codeBlock>\n\t// <codeBlock>foo^<softBreak></softBreak>bar</codeBlock>\n\tif ( !nodeAtPosition || nodeAtPosition.is( 'element', 'softBreak' ) ) {\n\t\tnodeAtPosition = position.nodeBefore;\n\t}\n\n\t// <codeBlock>^</codeBlock>\n\t// <codeBlock>foo^<softBreak></softBreak>bar</codeBlock>\n\tif ( !nodeAtPosition || nodeAtPosition.is( 'element', 'softBreak' ) ) {\n\t\treturn null;\n\t}\n\n\treturn nodeAtPosition;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module code-block/utils\n */\n\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * Returns code block languages as defined in `config.codeBlock.languages` but processed:\n *\n * * To consider the editor localization, i.e. to display {@link module:code-block/codeblock~CodeBlockLanguageDefinition}\n * in the correct language. There is no way to use {@link module:utils/locale~Locale#t} when the user\n * configuration is defined because the editor does not exist yet.\n * * To make sure each definition has a CSS class associated with it even if not specified\n * in the original configuration.\n *\n * @param {module:core/editor/editor~Editor} editor\n * @returns {Array.<module:code-block/codeblock~CodeBlockLanguageDefinition>}.\n */\nexport function getNormalizedAndLocalizedLanguageDefinitions( editor ) {\n\tconst t = editor.t;\n\tconst languageDefs = editor.config.get( 'codeBlock.languages' );\n\n\tfor ( const def of languageDefs ) {\n\t\tif ( def.label === 'Plain text' ) {\n\t\t\tdef.label = t( 'Plain text' );\n\t\t}\n\n\t\tif ( def.class === undefined ) {\n\t\t\tdef.class = `language-${ def.language }`;\n\t\t}\n\t}\n\n\treturn languageDefs;\n}\n\n/**\n * Returns an object associating certain language definition properties with others. For instance:\n *\n * For:\n *\n *\t\tconst definitions = {\n *\t\t\t{ language: 'php', class: 'language-php', label: 'PHP' },\n *\t\t\t{ language: 'javascript', class: 'js', label: 'JavaScript' },\n *\t\t};\n *\n *\t\tgetPropertyAssociation( definitions, 'class', 'language' );\n *\n * returns:\n *\n *\t\t{\n *\t\t\t'language-php': 'php'\n *\t\t\t'js': 'javascript'\n *\t\t}\n *\n * and\n *\n *\t\tgetPropertyAssociation( definitions, 'language', 'label' );\n *\n * returns:\n *\n *\t\t{\n *\t\t\t'php': 'PHP'\n *\t\t\t'javascript': 'JavaScript'\n *\t\t}\n *\n * @param {Array.<module:code-block/codeblock~CodeBlockLanguageDefinition>}\n * @param {String} key\n * @param {String} value\n * @param {Object.<String,String>}\n */\nexport function getPropertyAssociation( languageDefs, key, value ) {\n\tconst association = {};\n\n\tfor ( const def of languageDefs ) {\n\t\tif ( key === 'class' ) {\n\t\t\t// Only the first class is considered.\n\t\t\tassociation[ def[ key ].split( ' ' ).shift() ] = def[ value ];\n\t\t} else {\n\t\t\tassociation[ def[ key ] ] = def[ value ];\n\t\t}\n\t}\n\n\treturn association;\n}\n\n/**\n * For a given model text node, it returns white spaces that precede other characters in that node.\n * This corresponds to the indentation part of the code block line.\n *\n * @param {module:engine/model/text~Text} codeLineNodes\n * @returns {String}\n */\nexport function getLeadingWhiteSpaces( textNode ) {\n\treturn textNode.data.match( /^(\\s*)/ )[ 0 ];\n}\n\n/**\n * For plain text containing the code (a snippet), it returns a document fragment containing\n * view text nodes separated by `<br>` elements (in place of new line characters \"\\n\"), for instance:\n *\n * Input:\n *\n *\t\t\"foo()\\n\n *\t\tbar()\"\n *\n * Output:\n *\n *\t\t<DocumentFragment>\n *\t\t\t\"foo()\"\n *\t\t\t<br/>\n *\t\t\t\"bar()\"\n *\t\t</DocumentFragment>\n *\n * @param {module:engine/view/upcastwriter~UpcastWriter} writer\n * @param {String} text The raw code text to be converted.\n * @returns {module:engine/view/documentfragment~DocumentFragment}\n */\nexport function rawSnippetTextToViewDocumentFragment( writer, text ) {\n\tconst fragment = writer.createDocumentFragment();\n\tconst textLines = text.split( '\\n' );\n\n\tconst nodes = textLines.reduce( ( nodes, line, lineIndex ) => {\n\t\tnodes.push( line );\n\n\t\tif ( lineIndex < textLines.length - 1 ) {\n\t\t\tnodes.push( writer.createElement( 'br' ) );\n\t\t}\n\n\t\treturn nodes;\n\t}, [] );\n\n\twriter.appendChild( nodes, fragment );\n\n\treturn fragment;\n}\n\n/**\n * Returns an array of all model positions within the selection that represent code block lines.\n *\n * If the selection is collapsed, it returns the exact selection anchor position:\n *\n *\t\t<codeBlock>[]foo</codeBlock>        ->     <codeBlock>^foo</codeBlock>\n *\t\t<codeBlock>foo[]bar</codeBlock>     ->     <codeBlock>foo^bar</codeBlock>\n *\n * Otherwise, it returns positions **before** each text node belonging to all code blocks contained by the selection:\n *\n *\t\t<codeBlock>                                <codeBlock>\n *\t\t    foo[bar                                   ^foobar\n *\t\t    <softBreak></softBreak>         ->        <softBreak></softBreak>\n *\t\t    baz]qux                                   ^bazqux\n *\t\t</codeBlock>                               </codeBlock>\n *\n * It also works across other non–code blocks:\n *\n *\t\t<codeBlock>                                <codeBlock>\n *\t\t    foo[bar                                   ^foobar\n *\t\t</codeBlock>                               </codeBlock>\n *\t\t<paragraph>text</paragraph>         ->     <paragraph>text</paragraph>\n *\t\t<codeBlock>                                <codeBlock>\n *\t\t    baz]qux                                   ^bazqux\n *\t\t</codeBlock>                               </codeBlock>\n *\n * **Note:** The positions are in reverse order so they do not get outdated when iterating over them and\n * the writer inserts or removes elements at the same time.\n *\n * **Note:** The position is located after the leading white spaces in the text node.\n *\n * @param {module:engine/model/model~Model} model\n * @returns {Array.<module:engine/model/position~Position>}\n */\nexport function getIndentOutdentPositions( model ) {\n\tconst selection = model.document.selection;\n\tconst positions = [];\n\n\t// When the selection is collapsed, there's only one position we can indent or outdent.\n\tif ( selection.isCollapsed ) {\n\t\tpositions.push( selection.anchor );\n\t}\n\n\t// When the selection is NOT collapsed, collect all positions starting before text nodes\n\t// (code lines) in any <codeBlock> within the selection.\n\telse {\n\t\t// Walk backward so positions we are about to collect here do not get outdated when\n\t\t// inserting or deleting using the writer.\n\t\tconst walker = selection.getFirstRange().getWalker( {\n\t\t\tignoreElementEnd: true,\n\t\t\tdirection: 'backward'\n\t\t} );\n\n\t\tfor ( const { item } of walker ) {\n\t\t\tif ( item.is( '$textProxy' ) && item.parent.is( 'element', 'codeBlock' ) ) {\n\t\t\t\tconst leadingWhiteSpaces = getLeadingWhiteSpaces( item.textNode );\n\t\t\t\tconst { parent, startOffset } = item.textNode;\n\n\t\t\t\t// Make sure the position is after all leading whitespaces in the text node.\n\t\t\t\tconst position = model.createPositionAt( parent, startOffset + leadingWhiteSpaces.length );\n\n\t\t\t\tpositions.push( position );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn positions;\n}\n\n/**\n * Checks if any of the blocks within the model selection is a code block.\n *\n * @param {module:engine/model/selection~Selection} selection\n * @returns {Boolean}\n */\nexport function isModelSelectionInCodeBlock( selection ) {\n\tconst firstBlock = first( selection.getSelectedBlocks() );\n\n\treturn firstBlock && firstBlock.is( 'element', 'codeBlock' );\n}\n","module.exports = (__webpack_require__(/*! dll-reference CKEditor5.dll */ \"dll-reference 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{\n\t\tid: moduleId,\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","// getDefaultExport function for compatibility with non-harmony modules\n__webpack_require__.n = (module) => {\n\tvar getter = module && module.__esModule ?\n\t\t() => (module['default']) :\n\t\t() => (module);\n\t__webpack_require__.d(getter, { a: getter });\n\treturn getter;\n};","// define getter functions for harmony exports\n__webpack_require__.d = (exports, definition) => {\n\tfor(var key in definition) {\n\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n\t\t}\n\t}\n};","__webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))","// define __esModule on exports\n__webpack_require__.r = (exports) => {\n\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n\t}\n\tObject.defineProperty(exports, '__esModule', { value: true });\n};","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module code-block\n */\n\nexport { default as CodeBlock } from './codeblock';\nexport { default as CodeBlockEditing } from './codeblockediting';\nexport { default as CodeBlockUI } from './codeblockui';\n"],"sourceRoot":""}