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node_modules/autoprefixer/lib/hacks/flex-spec.js 437 Bytes
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aaac7fed   liuqimichale   add 
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  'use strict';
  
  /**
   * Return flexbox spec versions by prefix
   */
  module.exports = function (prefix) {
      var spec = void 0;
      if (prefix === '-webkit- 2009' || prefix === '-moz-') {
          spec = 2009;
      } else if (prefix === '-ms-') {
          spec = 2012;
      } else if (prefix === '-webkit-') {
          spec = 'final';
      }
  
      if (prefix === '-webkit- 2009') {
          prefix = '-webkit-';
      }
  
      return [spec, prefix];
  };