time-to-botec

Benchmark sampling in different programming languages
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toArray.js (1406B)

      1 var Symbol = require('./_Symbol'),
      2     copyArray = require('./_copyArray'),
      3     getTag = require('./_getTag'),
      4     isArrayLike = require('./isArrayLike'),
      5     isString = require('./isString'),
      6     iteratorToArray = require('./_iteratorToArray'),
      7     mapToArray = require('./_mapToArray'),
      8     setToArray = require('./_setToArray'),
      9     stringToArray = require('./_stringToArray'),
     10     values = require('./values');
     11 
     12 /** `Object#toString` result references. */
     13 var mapTag = '[object Map]',
     14     setTag = '[object Set]';
     15 
     16 /** Built-in value references. */
     17 var symIterator = Symbol ? Symbol.iterator : undefined;
     18 
     19 /**
     20  * Converts `value` to an array.
     21  *
     22  * @static
     23  * @since 0.1.0
     24  * @memberOf _
     25  * @category Lang
     26  * @param {*} value The value to convert.
     27  * @returns {Array} Returns the converted array.
     28  * @example
     29  *
     30  * _.toArray({ 'a': 1, 'b': 2 });
     31  * // => [1, 2]
     32  *
     33  * _.toArray('abc');
     34  * // => ['a', 'b', 'c']
     35  *
     36  * _.toArray(1);
     37  * // => []
     38  *
     39  * _.toArray(null);
     40  * // => []
     41  */
     42 function toArray(value) {
     43   if (!value) {
     44     return [];
     45   }
     46   if (isArrayLike(value)) {
     47     return isString(value) ? stringToArray(value) : copyArray(value);
     48   }
     49   if (symIterator && value[symIterator]) {
     50     return iteratorToArray(value[symIterator]());
     51   }
     52   var tag = getTag(value),
     53       func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
     54 
     55   return func(value);
     56 }
     57 
     58 module.exports = toArray;