artdaq_node_server  v1_00_08
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_arrayLikeKeys.js
1 var baseTimes = require('./_baseTimes'),
2  isArguments = require('./isArguments'),
3  isArray = require('./isArray'),
4  isBuffer = require('./isBuffer'),
5  isIndex = require('./_isIndex'),
6  isTypedArray = require('./isTypedArray');
7 
9 var objectProto = Object.prototype;
10 
12 var hasOwnProperty = objectProto.hasOwnProperty;
13 
22 function 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 
49 module.exports = arrayLikeKeys;