HORIZON PROJECT

var Symbol = require('./_Symbol'),

    copyArray = require('./_copyArray'),

    getTag = require('./_getTag'),

    isArrayLike = require('./isArrayLike'),

    isString = require('./isString'),

    iteratorToArray = require('./_iteratorToArray'),

    mapToArray = require('./_mapToArray'),

    setToArray = require('./_setToArray'),

    stringToArray = require('./_stringToArray'),

    values = require('./values');

/** `Object#toString` result references. */

var mapTag = '[object Map]',

    setTag = '[object Set]';

/** Built-in value references. */

var symIterator = Symbol ? Symbol.iterator : undefined;

/**

 * Converts `value` to an array.

 *

 * @static

 * @since 0.1.0

 * @memberOf _

 * @category Lang

 * @param {*} value The value to convert.

 * @returns {Array} Returns the converted array.

 * @example

 *

 * _.toArray({ 'a': 1, 'b': 2 });

 * // => [1, 2]

 *

 * _.toArray('abc');

 * // => ['a', 'b', 'c']

 *

 * _.toArray(1);

 * // => []

 *

 * _.toArray(null);

 * // => []

 */

function toArray(value) {

  if (!value) {

    return [];

  }

  if (isArrayLike(value)) {

    return isString(value) ? stringToArray(value) : copyArray(value);

  }

  if (symIterator && value[symIterator]) {

    return iteratorToArray(value[symIterator]());

  }

  var tag = getTag(value),

      func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);

  return func(value);

}

module.exports = toArray;