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tiny-consent/node_modules/postcss/lib/node.js

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"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>*&#47;</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"}