notes/node_modules/postcss/lib/rule.js

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'use strict';
exports.__esModule = true;
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; }; }();
var _container = require('./container');
var _container2 = _interopRequireDefault(_container);
var _warnOnce = require('./warn-once');
var _warnOnce2 = _interopRequireDefault(_warnOnce);
var _list = require('./list');
var _list2 = _interopRequireDefault(_list);
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 rule: a selector followed by a declaration block.
*
* @extends Container
*
* @example
* const root = postcss.parse('a{}');
* const rule = root.first;
* rule.type //=> 'rule'
* rule.toString() //=> 'a{}'
*/
var Rule = function (_Container) {
_inherits(Rule, _Container);
function Rule(defaults) {
_classCallCheck(this, Rule);
var _this = _possibleConstructorReturn(this, _Container.call(this, defaults));
_this.type = 'rule';
if (!_this.nodes) _this.nodes = [];
return _this;
}
/**
* An array containing the rules individual selectors.
* Groups of selectors are split at commas.
*
* @type {string[]}
*
* @example
* const root = postcss.parse('a, b { }');
* const rule = root.first;
*
* rule.selector //=> 'a, b'
* rule.selectors //=> ['a', 'b']
*
* rule.selectors = ['a', 'strong'];
* rule.selector //=> 'a, strong'
*/
_createClass(Rule, [{
key: 'selectors',
get: function get() {
return _list2.default.comma(this.selector);
},
set: function set(values) {
var match = this.selector ? this.selector.match(/,\s*/) : null;
var sep = match ? match[0] : ',' + this.raw('between', 'beforeOpen');
this.selector = values.join(sep);
}
}, {
key: '_selector',
get: function get() {
(0, _warnOnce2.default)('Rule#_selector is deprecated. Use Rule#raws.selector');
return this.raws.selector;
},
set: function set(val) {
(0, _warnOnce2.default)('Rule#_selector is deprecated. Use Rule#raws.selector');
this.raws.selector = val;
}
/**
* @memberof Rule#
* @member {string} selector - the rules full selector represented
* as a string
*
* @example
* const root = postcss.parse('a, b { }');
* const rule = root.first;
* rule.selector //=> 'a, b'
*/
/**
* @memberof Rule#
* @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.
*
* PostCSS cleans selectors from comments and extra spaces,
* but it stores origin content in raws properties.
* As such, if you dont change a declarations value,
* PostCSS will use the raw value with comments.
*
* @example
* const root = postcss.parse('a {\n color:black\n}')
* root.first.first.raws //=> { before: '', between: ' ', after: '\n' }
*/
}]);
return Rule;
}(_container2.default);
exports.default = Rule;
module.exports = exports['default'];
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