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82 lines
2.1 KiB
82 lines
2.1 KiB
//.CommonJS |
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var CSSOM = { |
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CSSStyleSheet: require("./CSSStyleSheet").CSSStyleSheet, |
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CSSStyleRule: require("./CSSStyleRule").CSSStyleRule, |
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CSSMediaRule: require("./CSSMediaRule").CSSMediaRule, |
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CSSSupportsRule: require("./CSSSupportsRule").CSSSupportsRule, |
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CSSStyleDeclaration: require("./CSSStyleDeclaration").CSSStyleDeclaration, |
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CSSKeyframeRule: require('./CSSKeyframeRule').CSSKeyframeRule, |
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CSSKeyframesRule: require('./CSSKeyframesRule').CSSKeyframesRule |
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}; |
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///CommonJS |
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/** |
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* Produces a deep copy of stylesheet — the instance variables of stylesheet are copied recursively. |
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* @param {CSSStyleSheet|CSSOM.CSSStyleSheet} stylesheet |
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* @nosideeffects |
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* @return {CSSOM.CSSStyleSheet} |
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*/ |
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CSSOM.clone = function clone(stylesheet) { |
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var cloned = new CSSOM.CSSStyleSheet(); |
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var rules = stylesheet.cssRules; |
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if (!rules) { |
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return cloned; |
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} |
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var RULE_TYPES = { |
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1: CSSOM.CSSStyleRule, |
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4: CSSOM.CSSMediaRule, |
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//3: CSSOM.CSSImportRule, |
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//5: CSSOM.CSSFontFaceRule, |
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//6: CSSOM.CSSPageRule, |
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8: CSSOM.CSSKeyframesRule, |
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9: CSSOM.CSSKeyframeRule, |
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12: CSSOM.CSSSupportsRule |
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}; |
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for (var i=0, rulesLength=rules.length; i < rulesLength; i++) { |
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var rule = rules[i]; |
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var ruleClone = cloned.cssRules[i] = new RULE_TYPES[rule.type](); |
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var style = rule.style; |
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if (style) { |
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var styleClone = ruleClone.style = new CSSOM.CSSStyleDeclaration(); |
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for (var j=0, styleLength=style.length; j < styleLength; j++) { |
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var name = styleClone[j] = style[j]; |
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styleClone[name] = style[name]; |
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styleClone._importants[name] = style.getPropertyPriority(name); |
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} |
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styleClone.length = style.length; |
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} |
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if (rule.hasOwnProperty('keyText')) { |
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ruleClone.keyText = rule.keyText; |
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} |
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if (rule.hasOwnProperty('selectorText')) { |
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ruleClone.selectorText = rule.selectorText; |
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} |
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if (rule.hasOwnProperty('mediaText')) { |
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ruleClone.mediaText = rule.mediaText; |
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} |
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if (rule.hasOwnProperty('conditionText')) { |
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ruleClone.conditionText = rule.conditionText; |
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} |
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if (rule.hasOwnProperty('cssRules')) { |
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ruleClone.cssRules = clone(rule).cssRules; |
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} |
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} |
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return cloned; |
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}; |
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//.CommonJS |
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exports.clone = CSSOM.clone; |
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///CommonJS
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