1var baseTimes = require('./_baseTimes'),
2    isArguments = require('./isArguments'),
3    isArray = require('./isArray'),
4    isBuffer = require('./isBuffer'),
5    isIndex = require('./_isIndex'),
6    isTypedArray = require('./isTypedArray');
7
8/** Used for built-in method references. */
9var objectProto = Object.prototype;
10
11/** Used to check objects for own properties. */
12var hasOwnProperty = objectProto.hasOwnProperty;
13
14/**
15 * Creates an array of the enumerable property names of the array-like `value`.
16 *
17 * @private
18 * @param {*} value The value to query.
19 * @param {boolean} inherited Specify returning inherited property names.
20 * @returns {Array} Returns the array of property names.
21 */
22function arrayLikeKeys(value, inherited) {
23  var isArr = isArray(value),
24      isArg = !isArr && isArguments(value),
25      isBuff = !isArr && !isArg && isBuffer(value),
26      isType = !isArr && !isArg && !isBuff && isTypedArray(value),
27      skipIndexes = isArr || isArg || isBuff || isType,
28      result = skipIndexes ? baseTimes(value.length, String) : [],
29      length = result.length;
30
31  for (var key in value) {
32    if ((inherited || hasOwnProperty.call(value, key)) &&
33        !(skipIndexes && (
34           // Safari 9 has enumerable `arguments.length` in strict mode.
35           key == 'length' ||
36           // Node.js 0.10 has enumerable non-index properties on buffers.
37           (isBuff && (key == 'offset' || key == 'parent')) ||
38           // PhantomJS 2 has enumerable non-index properties on typed arrays.
39           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
40           // Skip index properties.
41           isIndex(key, length)
42        ))) {
43      result.push(key);
44    }
45  }
46  return result;
47}
48
49module.exports = arrayLikeKeys;
50