hexo/node_modules/cssom/lib/CSSGroupingRule.js

69 lines
1.9 KiB
JavaScript

//.CommonJS
var CSSOM = {
CSSRule: require("./CSSRule").CSSRule
};
///CommonJS
/**
* @constructor
* @see https://drafts.csswg.org/cssom/#the-cssgroupingrule-interface
*/
CSSOM.CSSGroupingRule = function CSSGroupingRule() {
CSSOM.CSSRule.call(this);
this.cssRules = [];
};
CSSOM.CSSGroupingRule.prototype = new CSSOM.CSSRule();
CSSOM.CSSGroupingRule.prototype.constructor = CSSOM.CSSGroupingRule;
/**
* Used to insert a new CSS rule to a list of CSS rules.
*
* @example
* cssGroupingRule.cssText
* -> "body{margin:0;}"
* cssGroupingRule.insertRule("img{border:none;}", 1)
* -> 1
* cssGroupingRule.cssText
* -> "body{margin:0;}img{border:none;}"
*
* @param {string} rule
* @param {number} [index]
* @see https://www.w3.org/TR/cssom-1/#dom-cssgroupingrule-insertrule
* @return {number} The index within the grouping rule's collection of the newly inserted rule.
*/
CSSOM.CSSGroupingRule.prototype.insertRule = function insertRule(rule, index) {
if (index < 0 || index > this.cssRules.length) {
throw new RangeError("INDEX_SIZE_ERR");
}
var cssRule = CSSOM.parse(rule).cssRules[0];
cssRule.parentRule = this;
this.cssRules.splice(index, 0, cssRule);
return index;
};
/**
* Used to delete a rule from the grouping rule.
*
* cssGroupingRule.cssText
* -> "img{border:none;}body{margin:0;}"
* cssGroupingRule.deleteRule(0)
* cssGroupingRule.cssText
* -> "body{margin:0;}"
*
* @param {number} index within the grouping rule's rule list of the rule to remove.
* @see https://www.w3.org/TR/cssom-1/#dom-cssgroupingrule-deleterule
*/
CSSOM.CSSGroupingRule.prototype.deleteRule = function deleteRule(index) {
if (index < 0 || index >= this.cssRules.length) {
throw new RangeError("INDEX_SIZE_ERR");
}
this.cssRules.splice(index, 1)[0].parentRule = null;
};
//.CommonJS
exports.CSSGroupingRule = CSSOM.CSSGroupingRule;
///CommonJS