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'use strict';
exports.__esModule = true;
var _container = require('./container');
var _container2 = _interopRequireDefault(_container);
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"); } }
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; }
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; }
/**
* Represents a CSS file and contains all its parsed nodes.
*
* @extends Container
*
* @example
* const root = postcss.parse('a{color:black} b{z-index:2}');
* root.type //=> 'root'
* root.nodes.length //=> 2
*/
var Root = function (_Container) {
_inherits(Root, _Container);
function Root(defaults) {
_classCallCheck(this, Root);
var _this = _possibleConstructorReturn(this, _Container.call(this, defaults));
_this.type = 'root';
if (!_this.nodes) _this.nodes = [];
return _this;
}
Root.prototype.removeChild = function removeChild(child, ignore) {
var index = this.index(child);
if (!ignore && index === 0 && this.nodes.length > 1) {
this.nodes[1].raws.before = this.nodes[index].raws.before;
}
return _Container.prototype.removeChild.call(this, child);
};
Root.prototype.normalize = function normalize(child, sample, type) {
var nodes = _Container.prototype.normalize.call(this, child);
if (sample) {
if (type === 'prepend') {
if (this.nodes.length > 1) {
sample.raws.before = this.nodes[1].raws.before;
} else {
delete sample.raws.before;
}
} else if (this.first !== sample) {
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;
node.raws.before = sample.raws.before;
}
}
}
return nodes;
};
/**
* Returns a {@link Result} instance representing the root’s CSS.
*
* @param {processOptions} [opts] - options with only `to` and `map` keys
*
* @return {Result} result with current root’s CSS
*
* @example
* const root1 = postcss.parse(css1, { from: 'a.css' });
* const root2 = postcss.parse(css2, { from: 'b.css' });
* root1.append(root2);
* const result = root1.toResult({ to: 'all.css', map: true });
*/
Root.prototype.toResult = function toResult() {
var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var LazyResult = require('./lazy-result');
var Processor = require('./processor');
var lazy = new LazyResult(new Processor(), this, opts);
return lazy.stringify();
};
/**
* @memberof Root#
* @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:
*
* * `after`: the space symbols after the last child to the end of file.
* * `semicolon`: is the last child has an (optional) semicolon.
*
* @example
* postcss.parse('a {}\n').raws //=> { after: '\n' }
* postcss.parse('a {}').raws //=> { after: '' }
*/
return Root;
}(_container2.default);
exports.default = Root;
module.exports = exports['default'];
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