forked from zhurui/management
130 lines
10 KiB
JavaScript
130 lines
10 KiB
JavaScript
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'use strict';
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exports.__esModule = true;
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var _container = require('./container');
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var _container2 = _interopRequireDefault(_container);
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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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/**
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* Represents a CSS file and contains all its parsed nodes.
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*
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* @extends Container
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*
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* @example
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* const root = postcss.parse('a{color:black} b{z-index:2}');
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* root.type //=> 'root'
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* root.nodes.length //=> 2
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*/
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var Root = function (_Container) {
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_inherits(Root, _Container);
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function Root(defaults) {
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_classCallCheck(this, Root);
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var _this = _possibleConstructorReturn(this, _Container.call(this, defaults));
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_this.type = 'root';
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if (!_this.nodes) _this.nodes = [];
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return _this;
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}
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Root.prototype.removeChild = function removeChild(child, ignore) {
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var index = this.index(child);
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if (!ignore && index === 0 && this.nodes.length > 1) {
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this.nodes[1].raws.before = this.nodes[index].raws.before;
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}
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return _Container.prototype.removeChild.call(this, child);
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};
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Root.prototype.normalize = function normalize(child, sample, type) {
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var nodes = _Container.prototype.normalize.call(this, child);
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if (sample) {
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if (type === 'prepend') {
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if (this.nodes.length > 1) {
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sample.raws.before = this.nodes[1].raws.before;
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} else {
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delete sample.raws.before;
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}
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} else if (this.first !== sample) {
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for (var _iterator = nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
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var _ref;
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if (_isArray) {
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if (_i >= _iterator.length) break;
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_ref = _iterator[_i++];
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} else {
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_i = _iterator.next();
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if (_i.done) break;
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_ref = _i.value;
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}
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var node = _ref;
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node.raws.before = sample.raws.before;
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}
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}
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}
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return nodes;
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};
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/**
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* Returns a {@link Result} instance representing the root’s CSS.
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*
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* @param {processOptions} [opts] - options with only `to` and `map` keys
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*
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* @return {Result} result with current root’s CSS
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*
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* @example
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* const root1 = postcss.parse(css1, { from: 'a.css' });
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* const root2 = postcss.parse(css2, { from: 'b.css' });
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* root1.append(root2);
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* const result = root1.toResult({ to: 'all.css', map: true });
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*/
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Root.prototype.toResult = function toResult() {
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var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
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var LazyResult = require('./lazy-result');
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var Processor = require('./processor');
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var lazy = new LazyResult(new Processor(), this, opts);
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return lazy.stringify();
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};
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/**
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* @memberof Root#
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* @member {object} raws - Information to generate byte-to-byte equal
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* node string as it was in the origin input.
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*
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* Every parser saves its own properties,
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* but the default CSS parser uses:
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*
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* * `after`: the space symbols after the last child to the end of file.
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* * `semicolon`: is the last child has an (optional) semicolon.
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*
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* @example
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* postcss.parse('a {}\n').raws //=> { after: '\n' }
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* postcss.parse('a {}').raws //=> { after: '' }
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*/
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return Root;
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}(_container2.default);
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exports.default = Root;
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module.exports = exports['default'];
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