www.aleph1.co.uk Git - yaffs-website/blob - node_modules/postcss/lib/rule.js

   1 'use strict';
   2
   3 exports.__esModule = true;
   4
   5 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; }; }();
   6
   7 var _container = require('./container');
   8
   9 var _container2 = _interopRequireDefault(_container);
  10
  11 var _warnOnce = require('./warn-once');
  12
  13 var _warnOnce2 = _interopRequireDefault(_warnOnce);
  14
  15 var _list = require('./list');
  16
  17 var _list2 = _interopRequireDefault(_list);
  18
  19 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  20
  21 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  22
  23 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; }
  24
  25 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; }
  26
  27 /**
  28  * Represents a CSS rule: a selector followed by a declaration block.
  29  *
  30  * @extends Container
  31  *
  32  * @example
  33  * const root = postcss.parse('a{}');
  34  * const rule = root.first;
  35  * rule.type       //=> 'rule'
  36  * rule.toString() //=> 'a{}'
  37  */
  38 var Rule = function (_Container) {
  39     _inherits(Rule, _Container);
  40
  41     function Rule(defaults) {
  42         _classCallCheck(this, Rule);
  43
  44         var _this = _possibleConstructorReturn(this, _Container.call(this, defaults));
  45
  46         _this.type = 'rule';
  47         if (!_this.nodes) _this.nodes = [];
  48         return _this;
  49     }
  50
  51     /**
  52      * An array containing the rule’s individual selectors.
  53      * Groups of selectors are split at commas.
  54      *
  55      * @type {string[]}
  56      *
  57      * @example
  58      * const root = postcss.parse('a, b { }');
  59      * const rule = root.first;
  60      *
  61      * rule.selector  //=> 'a, b'
  62      * rule.selectors //=> ['a', 'b']
  63      *
  64      * rule.selectors = ['a', 'strong'];
  65      * rule.selector //=> 'a, strong'
  66      */
  67
  68
  69     _createClass(Rule, [{
  70         key: 'selectors',
  71         get: function get() {
  72             return _list2.default.comma(this.selector);
  73         },
  74         set: function set(values) {
  75             var match = this.selector ? this.selector.match(/,\s*/) : null;
  76             var sep = match ? match[0] : ',' + this.raw('between', 'beforeOpen');
  77             this.selector = values.join(sep);
  78         }
  79     }, {
  80         key: '_selector',
  81         get: function get() {
  82             (0, _warnOnce2.default)('Rule#_selector is deprecated. Use Rule#raws.selector');
  83             return this.raws.selector;
  84         },
  85         set: function set(val) {
  86             (0, _warnOnce2.default)('Rule#_selector is deprecated. Use Rule#raws.selector');
  87             this.raws.selector = val;
  88         }
  89
  90         /**
  91          * @memberof Rule#
  92          * @member {string} selector - the rule’s full selector represented
  93          *                             as a string
  94          *
  95          * @example
  96          * const root = postcss.parse('a, b { }');
  97          * const rule = root.first;
  98          * rule.selector //=> 'a, b'
  99          */
 100
 101         /**
 102          * @memberof Rule#
 103          * @member {object} raws - Information to generate byte-to-byte equal
 104          *                         node string as it was in the origin input.
 105          *
 106          * Every parser saves its own properties,
 107          * but the default CSS parser uses:
 108          *
 109          * * `before`: the space symbols before the node. It also stores `*`
 110          *   and `_` symbols before the declaration (IE hack).
 111          * * `after`: the space symbols after the last child of the node
 112          *   to the end of the node.
 113          * * `between`: the symbols between the property and value
 114          *   for declarations, selector and `{` for rules, or last parameter
 115          *   and `{` for at-rules.
 116          * * `semicolon`: contains true if the last child has
 117          *   an (optional) semicolon.
 118          *
 119          * PostCSS cleans selectors from comments and extra spaces,
 120          * but it stores origin content in raws properties.
 121          * As such, if you don’t change a declaration’s value,
 122          * PostCSS will use the raw value with comments.
 123          *
 124          * @example
 125          * const root = postcss.parse('a {\n  color:black\n}')
 126          * root.first.first.raws //=> { before: '', between: ' ', after: '\n' }
 127          */
 128
 129     }]);
 130
 131     return Rule;
 132 }(_container2.default);
 133
 134 exports.default = Rule;
 135 module.exports = exports['default'];
 136 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XQgaXQgc3RvcmVzIG9yaWdpbiBjb250ZW50IGluIHJhd3MgcHJvcGVydGllcy5cbiAgICAgKiBBcyBzdWNoLCBpZiB5b3UgZG9u4oCZdCBjaGFuZ2UgYSBkZWNsYXJhdGlvbuKAmXMgdmFsdWUsXG4gICAgICogUG9zdENTUyB3aWxsIHVzZSB0aGUgcmF3IHZhbHVlIHdpdGggY29tbWVudHMuXG4gICAgICpcbiAgICAgKiBAZXhhbXBsZVxuICAgICAqIGNvbnN0IHJvb3QgPSBwb3N0Y3NzLnBhcnNlKCdhIHtcXG4gIGNvbG9yOmJsYWNrXFxufScpXG4gICAgICogcm9vdC5maXJzdC5maXJzdC5yYXdzIC8vPT4geyBiZWZvcmU6ICcnLCBiZXR3ZWVuOiAnICcsIGFmdGVyOiAnXFxuJyB9XG4gICAgICovXG5cbn1cblxuZXhwb3J0IGRlZmF1bHQgUnVsZTtcbiJdfQ==