'use strict'; exports.__esModule = true; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; var _cssSyntaxError = require('./css-syntax-error'); var _cssSyntaxError2 = _interopRequireDefault(_cssSyntaxError); var _stringifier = require('./stringifier'); var _stringifier2 = _interopRequireDefault(_stringifier); var _stringify = require('./stringify'); var _stringify2 = _interopRequireDefault(_stringify); var _warnOnce = require('./warn-once'); var _warnOnce2 = _interopRequireDefault(_warnOnce); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } var cloneNode = 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 === 'undefined' ? 'undefined' : _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 = function () { /** * @param {object} [defaults] - value for node properties */ function Node() { var defaults = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; _classCallCheck(this, Node); this.raws = {}; if ((typeof defaults === 'undefined' ? 'undefined' : _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 * } */ Node.prototype.error = function error(message) { var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; if (this.source) { var pos = this.positionBy(opts); return this.source.input.error(message, pos.line, pos.column, opts); } else { return new _cssSyntaxError2.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'); * }); * }; * }); */ Node.prototype.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 */ Node.prototype.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 {}" */ Node.prototype.toString = function toString() { var stringifier = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : _stringify2.default; if (stringifier.stringify) stringifier = stringifier.stringify; var result = ''; stringifier(this, function (i) { result += i; }); return result; }; /** * Returns a clone of the node. * * The resulting cloned node and its (cloned) children will have * a clean parent and code style properties. * * @param {object} [overrides] - new properties to override in the clone. * * @example * const cloned = decl.clone({ prop: '-moz-' + decl.prop }); * cloned.raws.before //=> undefined * cloned.parent //=> undefined * cloned.toString() //=> -moz-transform: scale(0) * * @return {Node} clone of the node */ Node.prototype.clone = function clone() { var overrides = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; 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] - new properties to override in the clone. * * @example * decl.cloneBefore({ prop: '-moz-' + decl.prop }); * * @return {Node} - new node */ Node.prototype.cloneBefore = function cloneBefore() { var overrides = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; 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 */ Node.prototype.cloneAfter = function cloneAfter() { var overrides = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; 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 - node(s) to replace current one * * @example * if ( atrule.name == 'mixin' ) { * atrule.replaceWith(mixinRules[atrule.params]); * } * * @return {Node} current node to methods chain */ Node.prototype.replaceWith = function replaceWith() { if (this.parent) { for (var _len = arguments.length, nodes = Array(_len), _key = 0; _key < _len; _key++) { nodes[_key] = arguments[_key]; } for (var _iterator = nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; if (_isArray) { if (_i >= _iterator.length) break; _ref = _iterator[_i++]; } else { _i = _iterator.next(); if (_i.done) break; _ref = _i.value; } var node = _ref; this.parent.insertBefore(this, node); } this.remove(); } return this; }; Node.prototype.moveTo = function moveTo(newParent) { (0, _warnOnce2.default)('Node#moveTo was deprecated. Use Container#append.'); this.cleanRaws(this.root() === newParent.root()); this.remove(); newParent.append(this); return this; }; Node.prototype.moveBefore = function moveBefore(otherNode) { (0, _warnOnce2.default)('Node#moveBefore was deprecated. Use Node#before.'); this.cleanRaws(this.root() === otherNode.root()); this.remove(); otherNode.parent.insertBefore(otherNode, this); return this; }; Node.prototype.moveAfter = function moveAfter(otherNode) { (0, _warnOnce2.default)('Node#moveAfter was deprecated. Use Node#after.'); this.cleanRaws(this.root() === otherNode.root()); this.remove(); otherNode.parent.insertAfter(otherNode, this); 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(); * } * } */ Node.prototype.next = function next() { 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); * } */ Node.prototype.prev = function prev() { 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: ""'); */ Node.prototype.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'); */ Node.prototype.after = function after(add) { this.parent.insertAfter(this, add); return this; }; Node.prototype.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 === 'undefined' ? 'undefined' : _typeof(i)) === 'object' && i.toJSON) { return i.toJSON(); } else { return i; } }); } else if ((typeof value === 'undefined' ? 'undefined' : _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 */ Node.prototype.raw = function raw(prop, defaultType) { var str = new _stringifier2.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 */ Node.prototype.root = function root() { var result = this; while (result.parent) { result = result.parent; }return result; }; Node.prototype.cleanRaws = function cleanRaws(keepBetween) { delete this.raws.before; delete this.raws.after; if (!keepBetween) delete this.raws.between; }; Node.prototype.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 }; }; Node.prototype.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 */. * * `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; }(); exports.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 */ module.exports = exports['default']; //# 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CssSyntaxError from './css-syntax-error';\nimport Stringifier    from './stringifier';\nimport stringify      from './stringify';\nimport warnOnce       from './warn-once';\n\nlet cloneNode = function (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    /**\n     * @param {object} [defaults] - value for node properties\n     */\n    constructor(defaults = { }) {\n        this.raws = { };\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        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        } else {\n            return new CssSyntaxError(message);\n        }\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 a clone of the node.\n     *\n     * The resulting cloned node and its (cloned) children will have\n     * a clean parent and code style properties.\n     *\n     * @param {object} [overrides] - new properties to override in the clone.\n     *\n     * @example\n     * const cloned = decl.clone({ prop: '-moz-' + decl.prop });\n     * cloned.raws.before  //=> undefined\n     * cloned.parent       //=> undefined\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] - new 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 - node(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    moveTo(newParent) {\n        warnOnce('Node#moveTo was deprecated. Use Container#append.');\n        this.cleanRaws(this.root() === newParent.root());\n        this.remove();\n        newParent.append(this);\n        return this;\n    }\n\n    moveBefore(otherNode) {\n        warnOnce('Node#moveBefore was deprecated. Use Node#before.');\n        this.cleanRaws(this.root() === otherNode.root());\n        this.remove();\n        otherNode.parent.insertBefore(otherNode, this);\n        return this;\n    }\n\n    moveAfter(otherNode) {\n        warnOnce('Node#moveAfter was deprecated. Use Node#after.');\n        this.cleanRaws(this.root() === otherNode.root());\n        this.remove();\n        otherNode.parent.insertAfter(otherNode, this);\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        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        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    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}\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"]}