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node_modules/lodash/_getSymbols.js 886 Bytes
aaac7fed   liuqimichale   add
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  var arrayFilter = require('./_arrayFilter'),
      stubArray = require('./stubArray');
  
  /** Used for built-in method references. */
  var objectProto = Object.prototype;
  
  /** Built-in value references. */
  var propertyIsEnumerable = objectProto.propertyIsEnumerable;
  
  /* Built-in method references for those with the same name as other `lodash` methods. */
  var nativeGetSymbols = Object.getOwnPropertySymbols;
  
  /**
   * Creates an array of the own enumerable symbols of `object`.
   *
   * @private
   * @param {Object} object The object to query.
   * @returns {Array} Returns the array of symbols.
   */
  var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
    if (object == null) {
      return [];
    }
    object = Object(object);
    return arrayFilter(nativeGetSymbols(object), function(symbol) {
      return propertyIsEnumerable.call(object, symbol);
    });
  };
  
  module.exports = getSymbols;