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node_modules/cssom/lib/CSSStyleSheet.js
Maintainability
72.30
Lines of code
86
Difficulty
32.00
Estimated Errors
0.40
Function weight
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//.CommonJS var CSSOM = { StyleSheet: require("./StyleSheet").StyleSheet, CSSStyleRule: require("./CSSStyleRule").CSSStyleRule }; ///CommonJS /** * @constructor * @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleSheet */ CSSOM.CSSStyleSheet = function CSSStyleSheet() { CSSOM.StyleSheet.call(this); this.cssRules = []; }; CSSOM.CSSStyleSheet.prototype = new CSSOM.StyleSheet; CSSOM.CSSStyleSheet.prototype.constructor = CSSOM.CSSStyleSheet; /** * Used to insert a new rule into the style sheet. The new rule now becomes part of the cascade. * * sheet = new Sheet("body {margin: 0}") * sheet.toString() * -> "body{margin:0;}" * sheet.insertRule("img {border: none}", 0) * -> 0 * sheet.toString() * -> "img{border:none;}body{margin:0;}" * * @param {string} rule * @param {number} index * @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleSheet-insertRule * @return {number} The index within the style sheet's rule collection of the newly inserted rule. */ CSSOM.CSSStyleSheet.prototype.insertRule = function(rule, index) { if (index < 0 || index > this.cssRules.length) { throw new RangeError("INDEX_SIZE_ERR"); } var cssRule = CSSOM.parse(rule).cssRules[0]; cssRule.parentStyleSheet = this; this.cssRules.splice(index, 0, cssRule); return index; }; /** * Used to delete a rule from the style sheet. * * sheet = new Sheet("img{border:none} body{margin:0}") * sheet.toString() * -> "img{border:none;}body{margin:0;}" * sheet.deleteRule(0) * sheet.toString() * -> "body{margin:0;}" * * @param {number} index within the style sheet's rule list of the rule to remove. * @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleSheet-deleteRule */ CSSOM.CSSStyleSheet.prototype.deleteRule = function(index) { if (index < 0 || index >= this.cssRules.length) { throw new RangeError("INDEX_SIZE_ERR"); } this.cssRules.splice(index, 1); }; /** * NON-STANDARD * @return {string} serialize stylesheet */ CSSOM.CSSStyleSheet.prototype.toString = function() { var result = ""; var rules = this.cssRules; for (var i=0; i<rules.length; i++) { result += rules[i].cssText + "\n"; } return result; }; //.CommonJS exports.CSSStyleSheet = CSSOM.CSSStyleSheet; CSSOM.parse = require('./parse').parse; // Cannot be included sooner due to the mutual dependency between parse.js and CSSStyleSheet.js ///CommonJS