936 lines
78 KiB
JavaScript
936 lines
78 KiB
JavaScript
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'use strict';
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exports.__esModule = true;
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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var _declaration = require('./declaration');
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var _declaration2 = _interopRequireDefault(_declaration);
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var _warnOnce = require('./warn-once');
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var _warnOnce2 = _interopRequireDefault(_warnOnce);
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var _comment = require('./comment');
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var _comment2 = _interopRequireDefault(_comment);
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var _node = require('./node');
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var _node2 = _interopRequireDefault(_node);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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function cleanSource(nodes) {
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return nodes.map(function (i) {
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if (i.nodes) i.nodes = cleanSource(i.nodes);
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delete i.source;
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return i;
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});
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}
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/**
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* The {@link Root}, {@link AtRule}, and {@link Rule} container nodes
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* inherit some common methods to help work with their children.
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*
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* Note that all containers can store any content. If you write a rule inside
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* a rule, PostCSS will parse it.
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*
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* @extends Node
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* @abstract
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*/
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var Container = function (_Node) {
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_inherits(Container, _Node);
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function Container() {
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_classCallCheck(this, Container);
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return _possibleConstructorReturn(this, _Node.apply(this, arguments));
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}
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Container.prototype.push = function push(child) {
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child.parent = this;
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this.nodes.push(child);
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return this;
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};
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/**
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* Iterates through the container’s immediate children,
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* calling `callback` for each child.
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*
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* Returning `false` in the callback will break iteration.
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*
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* This method only iterates through the container’s immediate children.
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* If you need to recursively iterate through all the container’s descendant
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* nodes, use {@link Container#walk}.
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*
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* Unlike the for `{}`-cycle or `Array#forEach` this iterator is safe
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* if you are mutating the array of child nodes during iteration.
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* PostCSS will adjust the current index to match the mutations.
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*
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* @param {childIterator} callback - iterator receives each node and index
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*
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* @return {false|undefined} returns `false` if iteration was broke
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*
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* @example
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* const root = postcss.parse('a { color: black; z-index: 1 }');
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* const rule = root.first;
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*
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* for ( let decl of rule.nodes ) {
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* decl.cloneBefore({ prop: '-webkit-' + decl.prop });
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* // Cycle will be infinite, because cloneBefore moves the current node
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* // to the next index
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* }
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*
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* rule.each(decl => {
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* decl.cloneBefore({ prop: '-webkit-' + decl.prop });
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* // Will be executed only for color and z-index
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* });
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*/
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Container.prototype.each = function each(callback) {
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if (!this.lastEach) this.lastEach = 0;
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if (!this.indexes) this.indexes = {};
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this.lastEach += 1;
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var id = this.lastEach;
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this.indexes[id] = 0;
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if (!this.nodes) return undefined;
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var index = void 0,
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result = void 0;
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while (this.indexes[id] < this.nodes.length) {
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index = this.indexes[id];
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result = callback(this.nodes[index], index);
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if (result === false) break;
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this.indexes[id] += 1;
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}
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delete this.indexes[id];
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return result;
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};
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/**
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* Traverses the container’s descendant nodes, calling callback
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* for each node.
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*
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* Like container.each(), this method is safe to use
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* if you are mutating arrays during iteration.
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*
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* If you only need to iterate through the container’s immediate children,
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* use {@link Container#each}.
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*
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* @param {childIterator} callback - iterator receives each node and index
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*
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* @return {false|undefined} returns `false` if iteration was broke
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*
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* @example
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* root.walk(node => {
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* // Traverses all descendant nodes.
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* });
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*/
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Container.prototype.walk = function walk(callback) {
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return this.each(function (child, i) {
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var result = callback(child, i);
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if (result !== false && child.walk) {
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result = child.walk(callback);
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}
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return result;
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});
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};
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/**
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* Traverses the container’s descendant nodes, calling callback
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* for each declaration node.
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*
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* If you pass a filter, iteration will only happen over declarations
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* with matching properties.
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*
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* Like {@link Container#each}, this method is safe
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* to use if you are mutating arrays during iteration.
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*
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* @param {string|RegExp} [prop] - string or regular expression
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* to filter declarations by property name
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* @param {childIterator} callback - iterator receives each node and index
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*
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* @return {false|undefined} returns `false` if iteration was broke
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*
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* @example
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* root.walkDecls(decl => {
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* checkPropertySupport(decl.prop);
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* });
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*
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* root.walkDecls('border-radius', decl => {
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* decl.remove();
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* });
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*
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* root.walkDecls(/^background/, decl => {
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* decl.value = takeFirstColorFromGradient(decl.value);
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* });
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*/
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Container.prototype.walkDecls = function walkDecls(prop, callback) {
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if (!callback) {
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callback = prop;
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return this.walk(function (child, i) {
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if (child.type === 'decl') {
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return callback(child, i);
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}
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});
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} else if (prop instanceof RegExp) {
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return this.walk(function (child, i) {
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if (child.type === 'decl' && prop.test(child.prop)) {
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return callback(child, i);
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}
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});
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} else {
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return this.walk(function (child, i) {
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if (child.type === 'decl' && child.prop === prop) {
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return callback(child, i);
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}
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});
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}
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};
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/**
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* Traverses the container’s descendant nodes, calling callback
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* for each rule node.
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*
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* If you pass a filter, iteration will only happen over rules
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* with matching selectors.
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*
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* Like {@link Container#each}, this method is safe
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* to use if you are mutating arrays during iteration.
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*
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* @param {string|RegExp} [selector] - string or regular expression
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* to filter rules by selector
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* @param {childIterator} callback - iterator receives each node and index
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*
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* @return {false|undefined} returns `false` if iteration was broke
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*
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* @example
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* const selectors = [];
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* root.walkRules(rule => {
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* selectors.push(rule.selector);
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* });
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* console.log(`Your CSS uses ${selectors.length} selectors`);
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*/
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Container.prototype.walkRules = function walkRules(selector, callback) {
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if (!callback) {
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callback = selector;
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return this.walk(function (child, i) {
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if (child.type === 'rule') {
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return callback(child, i);
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}
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});
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} else if (selector instanceof RegExp) {
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return this.walk(function (child, i) {
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if (child.type === 'rule' && selector.test(child.selector)) {
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return callback(child, i);
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}
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});
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} else {
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return this.walk(function (child, i) {
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if (child.type === 'rule' && child.selector === selector) {
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return callback(child, i);
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}
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});
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}
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};
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/**
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* Traverses the container’s descendant nodes, calling callback
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* for each at-rule node.
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*
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* If you pass a filter, iteration will only happen over at-rules
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* that have matching names.
|
|||
|
*
|
|||
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* Like {@link Container#each}, this method is safe
|
|||
|
* to use if you are mutating arrays during iteration.
|
|||
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*
|
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* @param {string|RegExp} [name] - string or regular expression
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* to filter at-rules by name
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* @param {childIterator} callback - iterator receives each node and index
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*
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* @return {false|undefined} returns `false` if iteration was broke
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*
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* @example
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* root.walkAtRules(rule => {
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* if ( isOld(rule.name) ) rule.remove();
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* });
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*
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* let first = false;
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* root.walkAtRules('charset', rule => {
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* if ( !first ) {
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* first = true;
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* } else {
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* rule.remove();
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* }
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* });
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*/
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Container.prototype.walkAtRules = function walkAtRules(name, callback) {
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if (!callback) {
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callback = name;
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return this.walk(function (child, i) {
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if (child.type === 'atrule') {
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return callback(child, i);
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}
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});
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} else if (name instanceof RegExp) {
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return this.walk(function (child, i) {
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if (child.type === 'atrule' && name.test(child.name)) {
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return callback(child, i);
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}
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});
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} else {
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return this.walk(function (child, i) {
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if (child.type === 'atrule' && child.name === name) {
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return callback(child, i);
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}
|
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});
|
|||
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}
|
|||
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};
|
|||
|
|
|||
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/**
|
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* Traverses the container’s descendant nodes, calling callback
|
|||
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* for each comment node.
|
|||
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*
|
|||
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* Like {@link Container#each}, this method is safe
|
|||
|
* to use if you are mutating arrays during iteration.
|
|||
|
*
|
|||
|
* @param {childIterator} callback - iterator receives each node and index
|
|||
|
*
|
|||
|
* @return {false|undefined} returns `false` if iteration was broke
|
|||
|
*
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|||
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* @example
|
|||
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* root.walkComments(comment => {
|
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* comment.remove();
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* });
|
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*/
|
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|
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Container.prototype.walkComments = function walkComments(callback) {
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return this.walk(function (child, i) {
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if (child.type === 'comment') {
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return callback(child, i);
|
|||
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}
|
|||
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});
|
|||
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};
|
|||
|
|
|||
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/**
|
|||
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* Inserts new nodes to the end of the container.
|
|||
|
*
|
|||
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* @param {...(Node|object|string|Node[])} children - new nodes
|
|||
|
*
|
|||
|
* @return {Node} this node for methods chain
|
|||
|
*
|
|||
|
* @example
|
|||
|
* const decl1 = postcss.decl({ prop: 'color', value: 'black' });
|
|||
|
* const decl2 = postcss.decl({ prop: 'background-color', value: 'white' });
|
|||
|
* rule.append(decl1, decl2);
|
|||
|
*
|
|||
|
* root.append({ name: 'charset', params: '"UTF-8"' }); // at-rule
|
|||
|
* root.append({ selector: 'a' }); // rule
|
|||
|
* rule.append({ prop: 'color', value: 'black' }); // declaration
|
|||
|
* rule.append({ text: 'Comment' }) // comment
|
|||
|
*
|
|||
|
* root.append('a {}');
|
|||
|
* root.first.append('color: black; z-index: 1');
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
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Container.prototype.append = function append() {
|
|||
|
for (var _len = arguments.length, children = Array(_len), _key = 0; _key < _len; _key++) {
|
|||
|
children[_key] = arguments[_key];
|
|||
|
}
|
|||
|
|
|||
|
for (var _iterator = children, _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 child = _ref;
|
|||
|
|
|||
|
var nodes = this.normalize(child, this.last);
|
|||
|
for (var _iterator2 = nodes, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
|
|||
|
var _ref2;
|
|||
|
|
|||
|
if (_isArray2) {
|
|||
|
if (_i2 >= _iterator2.length) break;
|
|||
|
_ref2 = _iterator2[_i2++];
|
|||
|
} else {
|
|||
|
_i2 = _iterator2.next();
|
|||
|
if (_i2.done) break;
|
|||
|
_ref2 = _i2.value;
|
|||
|
}
|
|||
|
|
|||
|
var node = _ref2;
|
|||
|
this.nodes.push(node);
|
|||
|
}
|
|||
|
}
|
|||
|
return this;
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* Inserts new nodes to the start of the container.
|
|||
|
*
|
|||
|
* @param {...(Node|object|string|Node[])} children - new nodes
|
|||
|
*
|
|||
|
* @return {Node} this node for methods chain
|
|||
|
*
|
|||
|
* @example
|
|||
|
* const decl1 = postcss.decl({ prop: 'color', value: 'black' });
|
|||
|
* const decl2 = postcss.decl({ prop: 'background-color', value: 'white' });
|
|||
|
* rule.prepend(decl1, decl2);
|
|||
|
*
|
|||
|
* root.append({ name: 'charset', params: '"UTF-8"' }); // at-rule
|
|||
|
* root.append({ selector: 'a' }); // rule
|
|||
|
* rule.append({ prop: 'color', value: 'black' }); // declaration
|
|||
|
* rule.append({ text: 'Comment' }) // comment
|
|||
|
*
|
|||
|
* root.append('a {}');
|
|||
|
* root.first.append('color: black; z-index: 1');
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.prepend = function prepend() {
|
|||
|
for (var _len2 = arguments.length, children = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
|
|||
|
children[_key2] = arguments[_key2];
|
|||
|
}
|
|||
|
|
|||
|
children = children.reverse();
|
|||
|
for (var _iterator3 = children, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
|
|||
|
var _ref3;
|
|||
|
|
|||
|
if (_isArray3) {
|
|||
|
if (_i3 >= _iterator3.length) break;
|
|||
|
_ref3 = _iterator3[_i3++];
|
|||
|
} else {
|
|||
|
_i3 = _iterator3.next();
|
|||
|
if (_i3.done) break;
|
|||
|
_ref3 = _i3.value;
|
|||
|
}
|
|||
|
|
|||
|
var child = _ref3;
|
|||
|
|
|||
|
var nodes = this.normalize(child, this.first, 'prepend').reverse();
|
|||
|
for (var _iterator4 = nodes, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
|
|||
|
var _ref4;
|
|||
|
|
|||
|
if (_isArray4) {
|
|||
|
if (_i4 >= _iterator4.length) break;
|
|||
|
_ref4 = _iterator4[_i4++];
|
|||
|
} else {
|
|||
|
_i4 = _iterator4.next();
|
|||
|
if (_i4.done) break;
|
|||
|
_ref4 = _i4.value;
|
|||
|
}
|
|||
|
|
|||
|
var node = _ref4;
|
|||
|
this.nodes.unshift(node);
|
|||
|
}for (var id in this.indexes) {
|
|||
|
this.indexes[id] = this.indexes[id] + nodes.length;
|
|||
|
}
|
|||
|
}
|
|||
|
return this;
|
|||
|
};
|
|||
|
|
|||
|
Container.prototype.cleanRaws = function cleanRaws(keepBetween) {
|
|||
|
_Node.prototype.cleanRaws.call(this, keepBetween);
|
|||
|
if (this.nodes) {
|
|||
|
for (var _iterator5 = this.nodes, _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : _iterator5[Symbol.iterator]();;) {
|
|||
|
var _ref5;
|
|||
|
|
|||
|
if (_isArray5) {
|
|||
|
if (_i5 >= _iterator5.length) break;
|
|||
|
_ref5 = _iterator5[_i5++];
|
|||
|
} else {
|
|||
|
_i5 = _iterator5.next();
|
|||
|
if (_i5.done) break;
|
|||
|
_ref5 = _i5.value;
|
|||
|
}
|
|||
|
|
|||
|
var node = _ref5;
|
|||
|
node.cleanRaws(keepBetween);
|
|||
|
}
|
|||
|
}
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* Insert new node before old node within the container.
|
|||
|
*
|
|||
|
* @param {Node|number} exist - child or child’s index.
|
|||
|
* @param {Node|object|string|Node[]} add - new node
|
|||
|
*
|
|||
|
* @return {Node} this node for methods chain
|
|||
|
*
|
|||
|
* @example
|
|||
|
* rule.insertBefore(decl, decl.clone({ prop: '-webkit-' + decl.prop }));
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.insertBefore = function insertBefore(exist, add) {
|
|||
|
exist = this.index(exist);
|
|||
|
|
|||
|
var type = exist === 0 ? 'prepend' : false;
|
|||
|
var nodes = this.normalize(add, this.nodes[exist], type).reverse();
|
|||
|
for (var _iterator6 = nodes, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) {
|
|||
|
var _ref6;
|
|||
|
|
|||
|
if (_isArray6) {
|
|||
|
if (_i6 >= _iterator6.length) break;
|
|||
|
_ref6 = _iterator6[_i6++];
|
|||
|
} else {
|
|||
|
_i6 = _iterator6.next();
|
|||
|
if (_i6.done) break;
|
|||
|
_ref6 = _i6.value;
|
|||
|
}
|
|||
|
|
|||
|
var node = _ref6;
|
|||
|
this.nodes.splice(exist, 0, node);
|
|||
|
}var index = void 0;
|
|||
|
for (var id in this.indexes) {
|
|||
|
index = this.indexes[id];
|
|||
|
if (exist <= index) {
|
|||
|
this.indexes[id] = index + nodes.length;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return this;
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* Insert new node after old node within the container.
|
|||
|
*
|
|||
|
* @param {Node|number} exist - child or child’s index
|
|||
|
* @param {Node|object|string|Node[]} add - new node
|
|||
|
*
|
|||
|
* @return {Node} this node for methods chain
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.insertAfter = function insertAfter(exist, add) {
|
|||
|
exist = this.index(exist);
|
|||
|
|
|||
|
var nodes = this.normalize(add, this.nodes[exist]).reverse();
|
|||
|
for (var _iterator7 = nodes, _isArray7 = Array.isArray(_iterator7), _i7 = 0, _iterator7 = _isArray7 ? _iterator7 : _iterator7[Symbol.iterator]();;) {
|
|||
|
var _ref7;
|
|||
|
|
|||
|
if (_isArray7) {
|
|||
|
if (_i7 >= _iterator7.length) break;
|
|||
|
_ref7 = _iterator7[_i7++];
|
|||
|
} else {
|
|||
|
_i7 = _iterator7.next();
|
|||
|
if (_i7.done) break;
|
|||
|
_ref7 = _i7.value;
|
|||
|
}
|
|||
|
|
|||
|
var node = _ref7;
|
|||
|
this.nodes.splice(exist + 1, 0, node);
|
|||
|
}var index = void 0;
|
|||
|
for (var id in this.indexes) {
|
|||
|
index = this.indexes[id];
|
|||
|
if (exist < index) {
|
|||
|
this.indexes[id] = index + nodes.length;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return this;
|
|||
|
};
|
|||
|
|
|||
|
Container.prototype.remove = function remove(child) {
|
|||
|
if (typeof child !== 'undefined') {
|
|||
|
(0, _warnOnce2.default)('Container#remove is deprecated. ' + 'Use Container#removeChild');
|
|||
|
this.removeChild(child);
|
|||
|
} else {
|
|||
|
_Node.prototype.remove.call(this);
|
|||
|
}
|
|||
|
return this;
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* Removes node from the container and cleans the parent properties
|
|||
|
* from the node and its children.
|
|||
|
*
|
|||
|
* @param {Node|number} child - child or child’s index
|
|||
|
*
|
|||
|
* @return {Node} this node for methods chain
|
|||
|
*
|
|||
|
* @example
|
|||
|
* rule.nodes.length //=> 5
|
|||
|
* rule.removeChild(decl);
|
|||
|
* rule.nodes.length //=> 4
|
|||
|
* decl.parent //=> undefined
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.removeChild = function removeChild(child) {
|
|||
|
child = this.index(child);
|
|||
|
this.nodes[child].parent = undefined;
|
|||
|
this.nodes.splice(child, 1);
|
|||
|
|
|||
|
var index = void 0;
|
|||
|
for (var id in this.indexes) {
|
|||
|
index = this.indexes[id];
|
|||
|
if (index >= child) {
|
|||
|
this.indexes[id] = index - 1;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return this;
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* Removes all children from the container
|
|||
|
* and cleans their parent properties.
|
|||
|
*
|
|||
|
* @return {Node} this node for methods chain
|
|||
|
*
|
|||
|
* @example
|
|||
|
* rule.removeAll();
|
|||
|
* rule.nodes.length //=> 0
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.removeAll = function removeAll() {
|
|||
|
for (var _iterator8 = this.nodes, _isArray8 = Array.isArray(_iterator8), _i8 = 0, _iterator8 = _isArray8 ? _iterator8 : _iterator8[Symbol.iterator]();;) {
|
|||
|
var _ref8;
|
|||
|
|
|||
|
if (_isArray8) {
|
|||
|
if (_i8 >= _iterator8.length) break;
|
|||
|
_ref8 = _iterator8[_i8++];
|
|||
|
} else {
|
|||
|
_i8 = _iterator8.next();
|
|||
|
if (_i8.done) break;
|
|||
|
_ref8 = _i8.value;
|
|||
|
}
|
|||
|
|
|||
|
var node = _ref8;
|
|||
|
node.parent = undefined;
|
|||
|
}this.nodes = [];
|
|||
|
return this;
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* Passes all declaration values within the container that match pattern
|
|||
|
* through callback, replacing those values with the returned result
|
|||
|
* of callback.
|
|||
|
*
|
|||
|
* This method is useful if you are using a custom unit or function
|
|||
|
* and need to iterate through all values.
|
|||
|
*
|
|||
|
* @param {string|RegExp} pattern - replace pattern
|
|||
|
* @param {object} opts - options to speed up the search
|
|||
|
* @param {string|string[]} opts.props - an array of property names
|
|||
|
* @param {string} opts.fast - string that’s used
|
|||
|
* to narrow down values and speed up
|
|||
|
the regexp search
|
|||
|
* @param {function|string} callback - string to replace pattern
|
|||
|
* or callback that returns a new
|
|||
|
* value.
|
|||
|
* The callback will receive
|
|||
|
* the same arguments as those
|
|||
|
* passed to a function parameter
|
|||
|
* of `String#replace`.
|
|||
|
*
|
|||
|
* @return {Node} this node for methods chain
|
|||
|
*
|
|||
|
* @example
|
|||
|
* root.replaceValues(/\d+rem/, { fast: 'rem' }, string => {
|
|||
|
* return 15 * parseInt(string) + 'px';
|
|||
|
* });
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.replaceValues = function replaceValues(pattern, opts, callback) {
|
|||
|
if (!callback) {
|
|||
|
callback = opts;
|
|||
|
opts = {};
|
|||
|
}
|
|||
|
|
|||
|
this.walkDecls(function (decl) {
|
|||
|
if (opts.props && opts.props.indexOf(decl.prop) === -1) return;
|
|||
|
if (opts.fast && decl.value.indexOf(opts.fast) === -1) return;
|
|||
|
|
|||
|
decl.value = decl.value.replace(pattern, callback);
|
|||
|
});
|
|||
|
|
|||
|
return this;
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* Returns `true` if callback returns `true`
|
|||
|
* for all of the container’s children.
|
|||
|
*
|
|||
|
* @param {childCondition} condition - iterator returns true or false.
|
|||
|
*
|
|||
|
* @return {boolean} is every child pass condition
|
|||
|
*
|
|||
|
* @example
|
|||
|
* const noPrefixes = rule.every(i => i.prop[0] !== '-');
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.every = function every(condition) {
|
|||
|
return this.nodes.every(condition);
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* Returns `true` if callback returns `true` for (at least) one
|
|||
|
* of the container’s children.
|
|||
|
*
|
|||
|
* @param {childCondition} condition - iterator returns true or false.
|
|||
|
*
|
|||
|
* @return {boolean} is some child pass condition
|
|||
|
*
|
|||
|
* @example
|
|||
|
* const hasPrefix = rule.some(i => i.prop[0] === '-');
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.some = function some(condition) {
|
|||
|
return this.nodes.some(condition);
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* Returns a `child`’s index within the {@link Container#nodes} array.
|
|||
|
*
|
|||
|
* @param {Node} child - child of the current container.
|
|||
|
*
|
|||
|
* @return {number} child index
|
|||
|
*
|
|||
|
* @example
|
|||
|
* rule.index( rule.nodes[2] ) //=> 2
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.index = function index(child) {
|
|||
|
if (typeof child === 'number') {
|
|||
|
return child;
|
|||
|
} else {
|
|||
|
return this.nodes.indexOf(child);
|
|||
|
}
|
|||
|
};
|
|||
|
|
|||
|
/**
|
|||
|
* The container’s first child.
|
|||
|
*
|
|||
|
* @type {Node}
|
|||
|
*
|
|||
|
* @example
|
|||
|
* rule.first == rules.nodes[0];
|
|||
|
*/
|
|||
|
|
|||
|
|
|||
|
Container.prototype.normalize = function normalize(nodes, sample) {
|
|||
|
var _this2 = this;
|
|||
|
|
|||
|
if (typeof nodes === 'string') {
|
|||
|
var parse = require('./parse');
|
|||
|
nodes = cleanSource(parse(nodes).nodes);
|
|||
|
} else if (!Array.isArray(nodes)) {
|
|||
|
if (nodes.type === 'root') {
|
|||
|
nodes = nodes.nodes;
|
|||
|
} else if (nodes.type) {
|
|||
|
nodes = [nodes];
|
|||
|
} else if (nodes.prop) {
|
|||
|
if (typeof nodes.value === 'undefined') {
|
|||
|
throw new Error('Value field is missed in node creation');
|
|||
|
} else if (typeof nodes.value !== 'string') {
|
|||
|
nodes.value = String(nodes.value);
|
|||
|
}
|
|||
|
nodes = [new _declaration2.default(nodes)];
|
|||
|
} else if (nodes.selector) {
|
|||
|
var Rule = require('./rule');
|
|||
|
nodes = [new Rule(nodes)];
|
|||
|
} else if (nodes.name) {
|
|||
|
var AtRule = require('./at-rule');
|
|||
|
nodes = [new AtRule(nodes)];
|
|||
|
} else if (nodes.text) {
|
|||
|
nodes = [new _comment2.default(nodes)];
|
|||
|
} else {
|
|||
|
throw new Error('Unknown node type in node creation');
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
var processed = nodes.map(function (i) {
|
|||
|
if (typeof i.raws === 'undefined') i = _this2.rebuild(i);
|
|||
|
|
|||
|
if (i.parent) i = i.clone();
|
|||
|
if (typeof i.raws.before === 'undefined') {
|
|||
|
if (sample && typeof sample.raws.before !== 'undefined') {
|
|||
|
i.raws.before = sample.raws.before.replace(/[^\s]/g, '');
|
|||
|
}
|
|||
|
}
|
|||
|
i.parent = _this2;
|
|||
|
return i;
|
|||
|
});
|
|||
|
|
|||
|
return processed;
|
|||
|
};
|
|||
|
|
|||
|
Container.prototype.rebuild = function rebuild(node, parent) {
|
|||
|
var _this3 = this;
|
|||
|
|
|||
|
var fix = void 0;
|
|||
|
if (node.type === 'root') {
|
|||
|
var Root = require('./root');
|
|||
|
fix = new Root();
|
|||
|
} else if (node.type === 'atrule') {
|
|||
|
var AtRule = require('./at-rule');
|
|||
|
fix = new AtRule();
|
|||
|
} else if (node.type === 'rule') {
|
|||
|
var Rule = require('./rule');
|
|||
|
fix = new Rule();
|
|||
|
} else if (node.type === 'decl') {
|
|||
|
fix = new _declaration2.default();
|
|||
|
} else if (node.type === 'comment') {
|
|||
|
fix = new _comment2.default();
|
|||
|
}
|
|||
|
|
|||
|
for (var i in node) {
|
|||
|
if (i === 'nodes') {
|
|||
|
fix.nodes = node.nodes.map(function (j) {
|
|||
|
return _this3.rebuild(j, fix);
|
|||
|
});
|
|||
|
} else if (i === 'parent' && parent) {
|
|||
|
fix.parent = parent;
|
|||
|
} else if (node.hasOwnProperty(i)) {
|
|||
|
fix[i] = node[i];
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return fix;
|
|||
|
};
|
|||
|
|
|||
|
Container.prototype.eachInside = function eachInside(callback) {
|
|||
|
(0, _warnOnce2.default)('Container#eachInside is deprecated. ' + 'Use Container#walk instead.');
|
|||
|
return this.walk(callback);
|
|||
|
};
|
|||
|
|
|||
|
Container.prototype.eachDecl = function eachDecl(prop, callback) {
|
|||
|
(0, _warnOnce2.default)('Container#eachDecl is deprecated. ' + 'Use Container#walkDecls instead.');
|
|||
|
return this.walkDecls(prop, callback);
|
|||
|
};
|
|||
|
|
|||
|
Container.prototype.eachRule = function eachRule(selector, callback) {
|
|||
|
(0, _warnOnce2.default)('Container#eachRule is deprecated. ' + 'Use Container#walkRules instead.');
|
|||
|
return this.walkRules(selector, callback);
|
|||
|
};
|
|||
|
|
|||
|
Container.prototype.eachAtRule = function eachAtRule(name, callback) {
|
|||
|
(0, _warnOnce2.default)('Container#eachAtRule is deprecated. ' + 'Use Container#walkAtRules instead.');
|
|||
|
return this.walkAtRules(name, callback);
|
|||
|
};
|
|||
|
|
|||
|
Container.prototype.eachComment = function eachComment(callback) {
|
|||
|
(0, _warnOnce2.default)('Container#eachComment is deprecated. ' + 'Use Container#walkComments instead.');
|
|||
|
return this.walkComments(callback);
|
|||
|
};
|
|||
|
|
|||
|
_createClass(Container, [{
|
|||
|
key: 'first',
|
|||
|
get: function get() {
|
|||
|
if (!this.nodes) return undefined;
|
|||
|
return this.nodes[0];
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* The container’s last child.
|
|||
|
*
|
|||
|
* @type {Node}
|
|||
|
*
|
|||
|
* @example
|
|||
|
* rule.last == rule.nodes[rule.nodes.length - 1];
|
|||
|
*/
|
|||
|
|
|||
|
}, {
|
|||
|
key: 'last',
|
|||
|
get: function get() {
|
|||
|
if (!this.nodes) return undefined;
|
|||
|
return this.nodes[this.nodes.length - 1];
|
|||
|
}
|
|||
|
}, {
|
|||
|
key: 'semicolon',
|
|||
|
get: function get() {
|
|||
|
(0, _warnOnce2.default)('Node#semicolon is deprecated. Use Node#raws.semicolon');
|
|||
|
return this.raws.semicolon;
|
|||
|
},
|
|||
|
set: function set(val) {
|
|||
|
(0, _warnOnce2.default)('Node#semicolon is deprecated. Use Node#raws.semicolon');
|
|||
|
this.raws.semicolon = val;
|
|||
|
}
|
|||
|
}, {
|
|||
|
key: 'after',
|
|||
|
get: function get() {
|
|||
|
(0, _warnOnce2.default)('Node#after is deprecated. Use Node#raws.after');
|
|||
|
return this.raws.after;
|
|||
|
},
|
|||
|
set: function set(val) {
|
|||
|
(0, _warnOnce2.default)('Node#after is deprecated. Use Node#raws.after');
|
|||
|
this.raws.after = val;
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @memberof Container#
|
|||
|
* @member {Node[]} nodes - an array containing the container’s children
|
|||
|
*
|
|||
|
* @example
|
|||
|
* const root = postcss.parse('a { color: black }');
|
|||
|
* root.nodes.length //=> 1
|
|||
|
* root.nodes[0].selector //=> 'a'
|
|||
|
* root.nodes[0].nodes[0].prop //=> 'color'
|
|||
|
*/
|
|||
|
|
|||
|
}]);
|
|||
|
|
|||
|
return Container;
|
|||
|
}(_node2.default);
|
|||
|
|
|||
|
exports.default = Container;
|
|||
|
|
|||
|
/**
|
|||
|
* @callback childCondition
|
|||
|
* @param {Node} node - container child
|
|||
|
* @param {number} index - child index
|
|||
|
* @param {Node[]} nodes - all container children
|
|||
|
* @return {boolean}
|
|||
|
*/
|
|||
|
|
|||
|
/**
|
|||
|
* @callback childIterator
|
|||
|
* @param {Node} node - container child
|
|||
|
* @param {number} index - child index
|
|||
|
* @return {false|undefined} returning `false` will break iteration
|
|||
|
*/
|
|||
|
|
|||
|
module.exports = exports['default'];
|
|||
|
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|