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Diffstat (limited to 'node_modules/autoprefixer/node_modules/postcss/lib/node.js')
| -rw-r--r-- | node_modules/autoprefixer/node_modules/postcss/lib/node.js | 608 |
1 files changed, 608 insertions, 0 deletions
diff --git a/node_modules/autoprefixer/node_modules/postcss/lib/node.js b/node_modules/autoprefixer/node_modules/postcss/lib/node.js new file mode 100644 index 0000000..a0e582c --- /dev/null +++ b/node_modules/autoprefixer/node_modules/postcss/lib/node.js @@ -0,0 +1,608 @@ +"use strict"; + +exports.__esModule = true; +exports.default = void 0; + +var _cssSyntaxError = _interopRequireDefault(require("./css-syntax-error")); + +var _stringifier = _interopRequireDefault(require("./stringifier")); + +var _stringify = _interopRequireDefault(require("./stringify")); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function cloneNode(obj, parent) { + var cloned = new obj.constructor(); + + for (var i in obj) { + if (!obj.hasOwnProperty(i)) continue; + var value = obj[i]; + var type = typeof value; + + if (i === 'parent' && type === 'object') { + if (parent) cloned[i] = parent; + } else if (i === 'source') { + cloned[i] = value; + } else if (value instanceof Array) { + cloned[i] = value.map(function (j) { + return cloneNode(j, cloned); + }); + } else { + if (type === 'object' && value !== null) value = cloneNode(value); + cloned[i] = value; + } + } + + return cloned; +} +/** + * All node classes inherit the following common methods. + * + * @abstract + */ + + +var Node = +/*#__PURE__*/ +function () { + /** + * @param {object} [defaults] Value for node properties. + */ + function Node(defaults) { + if (defaults === void 0) { + defaults = {}; + } + + this.raws = {}; + + if (process.env.NODE_ENV !== 'production') { + if (typeof defaults !== 'object' && typeof defaults !== 'undefined') { + throw new Error('PostCSS nodes constructor accepts object, not ' + JSON.stringify(defaults)); + } + } + + for (var name in defaults) { + this[name] = defaults[name]; + } + } + /** + * Returns a `CssSyntaxError` instance containing the original position + * of the node in the source, showing line and column numbers and also + * a small excerpt to facilitate debugging. + * + * If present, an input source map will be used to get the original position + * of the source, even from a previous compilation step + * (e.g., from Sass compilation). + * + * This method produces very useful error messages. + * + * @param {string} message Error description. + * @param {object} [opts] Options. + * @param {string} opts.plugin Plugin name that created this error. + * PostCSS will set it automatically. + * @param {string} opts.word A word inside a node’s string that should + * be highlighted as the source of the error. + * @param {number} opts.index An index inside a node’s string that should + * be highlighted as the source of the error. + * + * @return {CssSyntaxError} Error object to throw it. + * + * @example + * if (!variables[name]) { + * throw decl.error('Unknown variable ' + name, { word: name }) + * // CssSyntaxError: postcss-vars:a.sass:4:3: Unknown variable $black + * // color: $black + * // a + * // ^ + * // background: white + * } + */ + + + var _proto = Node.prototype; + + _proto.error = function error(message, opts) { + if (opts === void 0) { + opts = {}; + } + + if (this.source) { + var pos = this.positionBy(opts); + return this.source.input.error(message, pos.line, pos.column, opts); + } + + return new _cssSyntaxError.default(message); + } + /** + * This method is provided as a convenience wrapper for {@link Result#warn}. + * + * @param {Result} result The {@link Result} instance + * that will receive the warning. + * @param {string} text Warning message. + * @param {object} [opts] Options + * @param {string} opts.plugin Plugin name that created this warning. + * PostCSS will set it automatically. + * @param {string} opts.word A word inside a node’s string that should + * be highlighted as the source of the warning. + * @param {number} opts.index An index inside a node’s string that should + * be highlighted as the source of the warning. + * + * @return {Warning} Created warning object. + * + * @example + * const plugin = postcss.plugin('postcss-deprecated', () => { + * return (root, result) => { + * root.walkDecls('bad', decl => { + * decl.warn(result, 'Deprecated property bad') + * }) + * } + * }) + */ + ; + + _proto.warn = function warn(result, text, opts) { + var data = { + node: this + }; + + for (var i in opts) { + data[i] = opts[i]; + } + + return result.warn(text, data); + } + /** + * Removes the node from its parent and cleans the parent properties + * from the node and its children. + * + * @example + * if (decl.prop.match(/^-webkit-/)) { + * decl.remove() + * } + * + * @return {Node} Node to make calls chain. + */ + ; + + _proto.remove = function remove() { + if (this.parent) { + this.parent.removeChild(this); + } + + this.parent = undefined; + return this; + } + /** + * Returns a CSS string representing the node. + * + * @param {stringifier|syntax} [stringifier] A syntax to use + * in string generation. + * + * @return {string} CSS string of this node. + * + * @example + * postcss.rule({ selector: 'a' }).toString() //=> "a {}" + */ + ; + + _proto.toString = function toString(stringifier) { + if (stringifier === void 0) { + stringifier = _stringify.default; + } + + if (stringifier.stringify) stringifier = stringifier.stringify; + var result = ''; + stringifier(this, function (i) { + result += i; + }); + return result; + } + /** + * Returns an exact clone of the node. + * + * The resulting cloned node and its (cloned) children will retain + * code style properties. + * + * @param {object} [overrides] New properties to override in the clone. + * + * @example + * decl.raws.before //=> "\n " + * const cloned = decl.clone({ prop: '-moz-' + decl.prop }) + * cloned.raws.before //=> "\n " + * cloned.toString() //=> -moz-transform: scale(0) + * + * @return {Node} Clone of the node. + */ + ; + + _proto.clone = function clone(overrides) { + if (overrides === void 0) { + overrides = {}; + } + + var cloned = cloneNode(this); + + for (var name in overrides) { + cloned[name] = overrides[name]; + } + + return cloned; + } + /** + * Shortcut to clone the node and insert the resulting cloned node + * before the current node. + * + * @param {object} [overrides] Mew properties to override in the clone. + * + * @example + * decl.cloneBefore({ prop: '-moz-' + decl.prop }) + * + * @return {Node} New node + */ + ; + + _proto.cloneBefore = function cloneBefore(overrides) { + if (overrides === void 0) { + overrides = {}; + } + + var cloned = this.clone(overrides); + this.parent.insertBefore(this, cloned); + return cloned; + } + /** + * Shortcut to clone the node and insert the resulting cloned node + * after the current node. + * + * @param {object} [overrides] New properties to override in the clone. + * + * @return {Node} New node. + */ + ; + + _proto.cloneAfter = function cloneAfter(overrides) { + if (overrides === void 0) { + overrides = {}; + } + + var cloned = this.clone(overrides); + this.parent.insertAfter(this, cloned); + return cloned; + } + /** + * Inserts node(s) before the current node and removes the current node. + * + * @param {...Node} nodes Mode(s) to replace current one. + * + * @example + * if (atrule.name === 'mixin') { + * atrule.replaceWith(mixinRules[atrule.params]) + * } + * + * @return {Node} Current node to methods chain. + */ + ; + + _proto.replaceWith = function replaceWith() { + if (this.parent) { + for (var _len = arguments.length, nodes = new Array(_len), _key = 0; _key < _len; _key++) { + nodes[_key] = arguments[_key]; + } + + for (var _i = 0, _nodes = nodes; _i < _nodes.length; _i++) { + var node = _nodes[_i]; + this.parent.insertBefore(this, node); + } + + this.remove(); + } + + return this; + } + /** + * Returns the next child of the node’s parent. + * Returns `undefined` if the current node is the last child. + * + * @return {Node|undefined} Next node. + * + * @example + * if (comment.text === 'delete next') { + * const next = comment.next() + * if (next) { + * next.remove() + * } + * } + */ + ; + + _proto.next = function next() { + if (!this.parent) return undefined; + var index = this.parent.index(this); + return this.parent.nodes[index + 1]; + } + /** + * Returns the previous child of the node’s parent. + * Returns `undefined` if the current node is the first child. + * + * @return {Node|undefined} Previous node. + * + * @example + * const annotation = decl.prev() + * if (annotation.type === 'comment') { + * readAnnotation(annotation.text) + * } + */ + ; + + _proto.prev = function prev() { + if (!this.parent) return undefined; + var index = this.parent.index(this); + return this.parent.nodes[index - 1]; + } + /** + * Insert new node before current node to current node’s parent. + * + * Just alias for `node.parent.insertBefore(node, add)`. + * + * @param {Node|object|string|Node[]} add New node. + * + * @return {Node} This node for methods chain. + * + * @example + * decl.before('content: ""') + */ + ; + + _proto.before = function before(add) { + this.parent.insertBefore(this, add); + return this; + } + /** + * Insert new node after current node to current node’s parent. + * + * Just alias for `node.parent.insertAfter(node, add)`. + * + * @param {Node|object|string|Node[]} add New node. + * + * @return {Node} This node for methods chain. + * + * @example + * decl.after('color: black') + */ + ; + + _proto.after = function after(add) { + this.parent.insertAfter(this, add); + return this; + }; + + _proto.toJSON = function toJSON() { + var fixed = {}; + + for (var name in this) { + if (!this.hasOwnProperty(name)) continue; + if (name === 'parent') continue; + var value = this[name]; + + if (value instanceof Array) { + fixed[name] = value.map(function (i) { + if (typeof i === 'object' && i.toJSON) { + return i.toJSON(); + } else { + return i; + } + }); + } else if (typeof value === 'object' && value.toJSON) { + fixed[name] = value.toJSON(); + } else { + fixed[name] = value; + } + } + + return fixed; + } + /** + * Returns a {@link Node#raws} value. If the node is missing + * the code style property (because the node was manually built or cloned), + * PostCSS will try to autodetect the code style property by looking + * at other nodes in the tree. + * + * @param {string} prop Name of code style property. + * @param {string} [defaultType] Name of default value, it can be missed + * if the value is the same as prop. + * + * @example + * const root = postcss.parse('a { background: white }') + * root.nodes[0].append({ prop: 'color', value: 'black' }) + * root.nodes[0].nodes[1].raws.before //=> undefined + * root.nodes[0].nodes[1].raw('before') //=> ' ' + * + * @return {string} Code style value. + */ + ; + + _proto.raw = function raw(prop, defaultType) { + var str = new _stringifier.default(); + return str.raw(this, prop, defaultType); + } + /** + * Finds the Root instance of the node’s tree. + * + * @example + * root.nodes[0].nodes[0].root() === root + * + * @return {Root} Root parent. + */ + ; + + _proto.root = function root() { + var result = this; + + while (result.parent) { + result = result.parent; + } + + return result; + } + /** + * Clear the code style properties for the node and its children. + * + * @param {boolean} [keepBetween] Keep the raws.between symbols. + * + * @return {undefined} + * + * @example + * node.raws.before //=> ' ' + * node.cleanRaws() + * node.raws.before //=> undefined + */ + ; + + _proto.cleanRaws = function cleanRaws(keepBetween) { + delete this.raws.before; + delete this.raws.after; + if (!keepBetween) delete this.raws.between; + }; + + _proto.positionInside = function positionInside(index) { + var string = this.toString(); + var column = this.source.start.column; + var line = this.source.start.line; + + for (var i = 0; i < index; i++) { + if (string[i] === '\n') { + column = 1; + line += 1; + } else { + column += 1; + } + } + + return { + line: line, + column: column + }; + }; + + _proto.positionBy = function positionBy(opts) { + var pos = this.source.start; + + if (opts.index) { + pos = this.positionInside(opts.index); + } else if (opts.word) { + var index = this.toString().indexOf(opts.word); + if (index !== -1) pos = this.positionInside(index); + } + + return pos; + } + /** + * @memberof Node# + * @member {string} type String representing the node’s type. + * Possible values are `root`, `atrule`, `rule`, + * `decl`, or `comment`. + * + * @example + * postcss.decl({ prop: 'color', value: 'black' }).type //=> 'decl' + */ + + /** + * @memberof Node# + * @member {Container} parent The node’s parent node. + * + * @example + * root.nodes[0].parent === root + */ + + /** + * @memberof Node# + * @member {source} source The input source of the node. + * + * The property is used in source map generation. + * + * If you create a node manually (e.g., with `postcss.decl()`), + * that node will not have a `source` property and will be absent + * from the source map. For this reason, the plugin developer should + * consider cloning nodes to create new ones (in which case the new node’s + * source will reference the original, cloned node) or setting + * the `source` property manually. + * + * ```js + * // Bad + * const prefixed = postcss.decl({ + * prop: '-moz-' + decl.prop, + * value: decl.value + * }) + * + * // Good + * const prefixed = decl.clone({ prop: '-moz-' + decl.prop }) + * ``` + * + * ```js + * if (atrule.name === 'add-link') { + * const rule = postcss.rule({ selector: 'a', source: atrule.source }) + * atrule.parent.insertBefore(atrule, rule) + * } + * ``` + * + * @example + * decl.source.input.from //=> '/home/ai/a.sass' + * decl.source.start //=> { line: 10, column: 2 } + * decl.source.end //=> { line: 10, column: 12 } + */ + + /** + * @memberof Node# + * @member {object} raws Information to generate byte-to-byte equal + * node string as it was in the origin input. + * + * Every parser saves its own properties, + * but the default CSS parser uses: + * + * * `before`: the space symbols before the node. It also stores `*` + * and `_` symbols before the declaration (IE hack). + * * `after`: the space symbols after the last child of the node + * to the end of the node. + * * `between`: the symbols between the property and value + * for declarations, selector and `{` for rules, or last parameter + * and `{` for at-rules. + * * `semicolon`: contains true if the last child has + * an (optional) semicolon. + * * `afterName`: the space between the at-rule name and its parameters. + * * `left`: the space symbols between `/*` and the comment’s text. + * * `right`: the space symbols between the comment’s text + * and <code>*/</code>. + * * `important`: the content of the important statement, + * if it is not just `!important`. + * + * PostCSS cleans selectors, declaration values and at-rule parameters + * from comments and extra spaces, but it stores origin content in raws + * properties. As such, if you don’t change a declaration’s value, + * PostCSS will use the raw value with comments. + * + * @example + * const root = postcss.parse('a {\n color:black\n}') + * root.first.first.raws //=> { before: '\n ', between: ':' } + */ + ; + + return Node; +}(); + +var _default = Node; +/** + * @typedef {object} position + * @property {number} line Source line in file. + * @property {number} column Source column in file. + */ + +/** + * @typedef {object} source + * @property {Input} input {@link Input} with input file + * @property {position} start The starting position of the node’s source. + * @property {position} end The ending position of the node’s source. + */ + +exports.default = _default; +module.exports = exports.default; +//# 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CssSyntaxError from './css-syntax-error'\nimport Stringifier from './stringifier'\nimport stringify from './stringify'\n\nfunction cloneNode (obj, parent) {\n  let cloned = new obj.constructor()\n\n  for (let i in obj) {\n    if (!obj.hasOwnProperty(i)) continue\n    let value = obj[i]\n    let type = typeof value\n\n    if (i === 'parent' && type === 'object') {\n      if (parent) cloned[i] = parent\n    } else if (i === 'source') {\n      cloned[i] = value\n    } else if (value instanceof Array) {\n      cloned[i] = value.map(j => cloneNode(j, cloned))\n    } else {\n      if (type === 'object' && value !== null) value = cloneNode(value)\n      cloned[i] = value\n    }\n  }\n\n  return cloned\n}\n\n/**\n * All node classes inherit the following common methods.\n *\n * @abstract\n */\nclass Node {\n  /**\n   * @param {object} [defaults] Value for node properties.\n   */\n  constructor (defaults = { }) {\n    this.raws = { }\n    if (process.env.NODE_ENV !== 'production') {\n      if (typeof defaults !== 'object' && typeof defaults !== 'undefined') {\n        throw new Error(\n          'PostCSS nodes constructor accepts object, not ' +\n          JSON.stringify(defaults)\n        )\n      }\n    }\n    for (let name in defaults) {\n      this[name] = defaults[name]\n    }\n  }\n\n  /**\n   * Returns a `CssSyntaxError` instance containing the original position\n   * of the node in the source, showing line and column numbers and also\n   * a small excerpt to facilitate debugging.\n   *\n   * If present, an input source map will be used to get the original position\n   * of the source, even from a previous compilation step\n   * (e.g., from Sass compilation).\n   *\n   * This method produces very useful error messages.\n   *\n   * @param {string} message     Error description.\n   * @param {object} [opts]      Options.\n   * @param {string} opts.plugin Plugin name that created this error.\n   *                             PostCSS will set it automatically.\n   * @param {string} opts.word   A word inside a node’s string that should\n   *                             be highlighted as the source of the error.\n   * @param {number} opts.index  An index inside a node’s string that should\n   *                             be highlighted as the source of the error.\n   *\n   * @return {CssSyntaxError} Error object to throw it.\n   *\n   * @example\n   * if (!variables[name]) {\n   *   throw decl.error('Unknown variable ' + name, { word: name })\n   *   // CssSyntaxError: postcss-vars:a.sass:4:3: Unknown variable $black\n   *   //   color: $black\n   *   // a\n   *   //          ^\n   *   //   background: white\n   * }\n   */\n  error (message, opts = { }) {\n    if (this.source) {\n      let pos = this.positionBy(opts)\n      return this.source.input.error(message, pos.line, pos.column, opts)\n    }\n    return new CssSyntaxError(message)\n  }\n\n  /**\n   * This method is provided as a convenience wrapper for {@link Result#warn}.\n   *\n   * @param {Result} result      The {@link Result} instance\n   *                             that will receive the warning.\n   * @param {string} text        Warning message.\n   * @param {object} [opts]      Options\n   * @param {string} opts.plugin Plugin name that created this warning.\n   *                             PostCSS will set it automatically.\n   * @param {string} opts.word   A word inside a node’s string that should\n   *                             be highlighted as the source of the warning.\n   * @param {number} opts.index  An index inside a node’s string that should\n   *                             be highlighted as the source of the warning.\n   *\n   * @return {Warning} Created warning object.\n   *\n   * @example\n   * const plugin = postcss.plugin('postcss-deprecated', () => {\n   *   return (root, result) => {\n   *     root.walkDecls('bad', decl => {\n   *       decl.warn(result, 'Deprecated property bad')\n   *     })\n   *   }\n   * })\n   */\n  warn (result, text, opts) {\n    let data = { node: this }\n    for (let i in opts) data[i] = opts[i]\n    return result.warn(text, data)\n  }\n\n  /**\n   * Removes the node from its parent and cleans the parent properties\n   * from the node and its children.\n   *\n   * @example\n   * if (decl.prop.match(/^-webkit-/)) {\n   *   decl.remove()\n   * }\n   *\n   * @return {Node} Node to make calls chain.\n   */\n  remove () {\n    if (this.parent) {\n      this.parent.removeChild(this)\n    }\n    this.parent = undefined\n    return this\n  }\n\n  /**\n   * Returns a CSS string representing the node.\n   *\n   * @param {stringifier|syntax} [stringifier] A syntax to use\n   *                                           in string generation.\n   *\n   * @return {string} CSS string of this node.\n   *\n   * @example\n   * postcss.rule({ selector: 'a' }).toString() //=> \"a {}\"\n   */\n  toString (stringifier = stringify) {\n    if (stringifier.stringify) stringifier = stringifier.stringify\n    let result = ''\n    stringifier(this, i => {\n      result += i\n    })\n    return result\n  }\n\n  /**\n   * Returns an exact clone of the node.\n   *\n   * The resulting cloned node and its (cloned) children will retain\n   * code style properties.\n   *\n   * @param {object} [overrides] New properties to override in the clone.\n   *\n   * @example\n   * decl.raws.before    //=> \"\\n  \"\n   * const cloned = decl.clone({ prop: '-moz-' + decl.prop })\n   * cloned.raws.before  //=> \"\\n  \"\n   * cloned.toString()   //=> -moz-transform: scale(0)\n   *\n   * @return {Node} Clone of the node.\n   */\n  clone (overrides = { }) {\n    let cloned = cloneNode(this)\n    for (let name in overrides) {\n      cloned[name] = overrides[name]\n    }\n    return cloned\n  }\n\n  /**\n   * Shortcut to clone the node and insert the resulting cloned node\n   * before the current node.\n   *\n   * @param {object} [overrides] Mew properties to override in the clone.\n   *\n   * @example\n   * decl.cloneBefore({ prop: '-moz-' + decl.prop })\n   *\n   * @return {Node} New node\n   */\n  cloneBefore (overrides = { }) {\n    let cloned = this.clone(overrides)\n    this.parent.insertBefore(this, cloned)\n    return cloned\n  }\n\n  /**\n   * Shortcut to clone the node and insert the resulting cloned node\n   * after the current node.\n   *\n   * @param {object} [overrides] New properties to override in the clone.\n   *\n   * @return {Node} New node.\n   */\n  cloneAfter (overrides = { }) {\n    let cloned = this.clone(overrides)\n    this.parent.insertAfter(this, cloned)\n    return cloned\n  }\n\n  /**\n   * Inserts node(s) before the current node and removes the current node.\n   *\n   * @param {...Node} nodes Mode(s) to replace current one.\n   *\n   * @example\n   * if (atrule.name === 'mixin') {\n   *   atrule.replaceWith(mixinRules[atrule.params])\n   * }\n   *\n   * @return {Node} Current node to methods chain.\n   */\n  replaceWith (...nodes) {\n    if (this.parent) {\n      for (let node of nodes) {\n        this.parent.insertBefore(this, node)\n      }\n\n      this.remove()\n    }\n\n    return this\n  }\n\n  /**\n   * Returns the next child of the node’s parent.\n   * Returns `undefined` if the current node is the last child.\n   *\n   * @return {Node|undefined} Next node.\n   *\n   * @example\n   * if (comment.text === 'delete next') {\n   *   const next = comment.next()\n   *   if (next) {\n   *     next.remove()\n   *   }\n   * }\n   */\n  next () {\n    if (!this.parent) return undefined\n    let index = this.parent.index(this)\n    return this.parent.nodes[index + 1]\n  }\n\n  /**\n   * Returns the previous child of the node’s parent.\n   * Returns `undefined` if the current node is the first child.\n   *\n   * @return {Node|undefined} Previous node.\n   *\n   * @example\n   * const annotation = decl.prev()\n   * if (annotation.type === 'comment') {\n   *   readAnnotation(annotation.text)\n   * }\n   */\n  prev () {\n    if (!this.parent) return undefined\n    let index = this.parent.index(this)\n    return this.parent.nodes[index - 1]\n  }\n\n  /**\n   * Insert new node before current node to current node’s parent.\n   *\n   * Just alias for `node.parent.insertBefore(node, add)`.\n   *\n   * @param {Node|object|string|Node[]} add New node.\n   *\n   * @return {Node} This node for methods chain.\n   *\n   * @example\n   * decl.before('content: \"\"')\n   */\n  before (add) {\n    this.parent.insertBefore(this, add)\n    return this\n  }\n\n  /**\n   * Insert new node after current node to current node’s parent.\n   *\n   * Just alias for `node.parent.insertAfter(node, add)`.\n   *\n   * @param {Node|object|string|Node[]} add New node.\n   *\n   * @return {Node} This node for methods chain.\n   *\n   * @example\n   * decl.after('color: black')\n   */\n  after (add) {\n    this.parent.insertAfter(this, add)\n    return this\n  }\n\n  toJSON () {\n    let fixed = { }\n\n    for (let name in this) {\n      if (!this.hasOwnProperty(name)) continue\n      if (name === 'parent') continue\n      let value = this[name]\n\n      if (value instanceof Array) {\n        fixed[name] = value.map(i => {\n          if (typeof i === 'object' && i.toJSON) {\n            return i.toJSON()\n          } else {\n            return i\n          }\n        })\n      } else if (typeof value === 'object' && value.toJSON) {\n        fixed[name] = value.toJSON()\n      } else {\n        fixed[name] = value\n      }\n    }\n\n    return fixed\n  }\n\n  /**\n   * Returns a {@link Node#raws} value. If the node is missing\n   * the code style property (because the node was manually built or cloned),\n   * PostCSS will try to autodetect the code style property by looking\n   * at other nodes in the tree.\n   *\n   * @param {string} prop          Name of code style property.\n   * @param {string} [defaultType] Name of default value, it can be missed\n   *                               if the value is the same as prop.\n   *\n   * @example\n   * const root = postcss.parse('a { background: white }')\n   * root.nodes[0].append({ prop: 'color', value: 'black' })\n   * root.nodes[0].nodes[1].raws.before   //=> undefined\n   * root.nodes[0].nodes[1].raw('before') //=> ' '\n   *\n   * @return {string} Code style value.\n   */\n  raw (prop, defaultType) {\n    let str = new Stringifier()\n    return str.raw(this, prop, defaultType)\n  }\n\n  /**\n   * Finds the Root instance of the node’s tree.\n   *\n   * @example\n   * root.nodes[0].nodes[0].root() === root\n   *\n   * @return {Root} Root parent.\n   */\n  root () {\n    let result = this\n    while (result.parent) result = result.parent\n    return result\n  }\n\n  /**\n   * Clear the code style properties for the node and its children.\n   *\n   * @param {boolean} [keepBetween] Keep the raws.between symbols.\n   *\n   * @return {undefined}\n   *\n   * @example\n   * node.raws.before  //=> ' '\n   * node.cleanRaws()\n   * node.raws.before  //=> undefined\n   */\n  cleanRaws (keepBetween) {\n    delete this.raws.before\n    delete this.raws.after\n    if (!keepBetween) delete this.raws.between\n  }\n\n  positionInside (index) {\n    let string = this.toString()\n    let column = this.source.start.column\n    let line = this.source.start.line\n\n    for (let i = 0; i < index; i++) {\n      if (string[i] === '\\n') {\n        column = 1\n        line += 1\n      } else {\n        column += 1\n      }\n    }\n\n    return { line, column }\n  }\n\n  positionBy (opts) {\n    let pos = this.source.start\n    if (opts.index) {\n      pos = this.positionInside(opts.index)\n    } else if (opts.word) {\n      let index = this.toString().indexOf(opts.word)\n      if (index !== -1) pos = this.positionInside(index)\n    }\n    return pos\n  }\n\n  /**\n   * @memberof Node#\n   * @member {string} type String representing the node’s type.\n   *                       Possible values are `root`, `atrule`, `rule`,\n   *                       `decl`, or `comment`.\n   *\n   * @example\n   * postcss.decl({ prop: 'color', value: 'black' }).type //=> 'decl'\n   */\n\n  /**\n   * @memberof Node#\n   * @member {Container} parent The node’s parent node.\n   *\n   * @example\n   * root.nodes[0].parent === root\n   */\n\n  /**\n   * @memberof Node#\n   * @member {source} source The input source of the node.\n   *\n   * The property is used in source map generation.\n   *\n   * If you create a node manually (e.g., with `postcss.decl()`),\n   * that node will not have a `source` property and will be absent\n   * from the source map. For this reason, the plugin developer should\n   * consider cloning nodes to create new ones (in which case the new node’s\n   * source will reference the original, cloned node) or setting\n   * the `source` property manually.\n   *\n   * ```js\n   * // Bad\n   * const prefixed = postcss.decl({\n   *   prop: '-moz-' + decl.prop,\n   *   value: decl.value\n   * })\n   *\n   * // Good\n   * const prefixed = decl.clone({ prop: '-moz-' + decl.prop })\n   * ```\n   *\n   * ```js\n   * if (atrule.name === 'add-link') {\n   *   const rule = postcss.rule({ selector: 'a', source: atrule.source })\n   *   atrule.parent.insertBefore(atrule, rule)\n   * }\n   * ```\n   *\n   * @example\n   * decl.source.input.from //=> '/home/ai/a.sass'\n   * decl.source.start      //=> { line: 10, column: 2 }\n   * decl.source.end        //=> { line: 10, column: 12 }\n   */\n\n  /**\n   * @memberof Node#\n   * @member {object} raws Information to generate byte-to-byte equal\n   *                       node string as it was in the origin input.\n   *\n   * Every parser saves its own properties,\n   * but the default CSS parser uses:\n   *\n   * * `before`: the space symbols before the node. It also stores `*`\n   *   and `_` symbols before the declaration (IE hack).\n   * * `after`: the space symbols after the last child of the node\n   *   to the end of the node.\n   * * `between`: the symbols between the property and value\n   *   for declarations, selector and `{` for rules, or last parameter\n   *   and `{` for at-rules.\n   * * `semicolon`: contains true if the last child has\n   *   an (optional) semicolon.\n   * * `afterName`: the space between the at-rule name and its parameters.\n   * * `left`: the space symbols between `/*` and the comment’s text.\n   * * `right`: the space symbols between the comment’s text\n   *   and <code>*&#47;</code>.\n   * * `important`: the content of the important statement,\n   *   if it is not just `!important`.\n   *\n   * PostCSS cleans selectors, declaration values and at-rule parameters\n   * from comments and extra spaces, but it stores origin content in raws\n   * properties. As such, if you don’t change a declaration’s value,\n   * PostCSS will use the raw value with comments.\n   *\n   * @example\n   * const root = postcss.parse('a {\\n  color:black\\n}')\n   * root.first.first.raws //=> { before: '\\n  ', between: ':' }\n   */\n}\n\nexport default Node\n\n/**\n * @typedef {object} position\n * @property {number} line   Source line in file.\n * @property {number} column Source column in file.\n */\n\n/**\n * @typedef {object} source\n * @property {Input} input    {@link Input} with input file\n * @property {position} start The starting position of the node’s source.\n * @property {position} end   The ending position of the node’s source.\n */\n"],"file":"node.js"} |