BJ_web_developers / dyitoc

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node_modules/clean-css/lib/optimizer/level-2/properties/vendor-prefixes.js 449 Bytes
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aaac7fed   liuqimichale   add 
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  var VENDOR_PREFIX_PATTERN = /(?:^|\W)(\-\w+\-)/g;
  
  function unique(value) {
    var prefixes = [];
    var match;
  
    while ((match = VENDOR_PREFIX_PATTERN.exec(value)) !== null) {
      if (prefixes.indexOf(match[0]) == -1) {
        prefixes.push(match[0]);
      }
    }
  
    return prefixes;
  }
  
  function same(value1, value2) {
    return unique(value1).sort().join(',') == unique(value2).sort().join(',');
  }
  
  module.exports = {
    unique: unique,
    same: same
  };