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- import baseTimes from './_baseTimes.js';
- import isArguments from './isArguments.js';
- import isArray from './isArray.js';
- import isBuffer from './isBuffer.js';
- import isIndex from './_isIndex.js';
- import isTypedArray from './isTypedArray.js';
- /** Used for built-in method references. */
- var objectProto = Object.prototype;
- /** Used to check objects for own properties. */
- var hasOwnProperty = objectProto.hasOwnProperty;
- /**
- * Creates an array of the enumerable property names of the array-like `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @param {boolean} inherited Specify returning inherited property names.
- * @returns {Array} Returns the array of property names.
- */
- function arrayLikeKeys(value, inherited) {
- var isArr = isArray(value),
- isArg = !isArr && isArguments(value),
- isBuff = !isArr && !isArg && isBuffer(value),
- isType = !isArr && !isArg && !isBuff && isTypedArray(value),
- skipIndexes = isArr || isArg || isBuff || isType,
- result = skipIndexes ? baseTimes(value.length, String) : [],
- length = result.length;
- for (var key in value) {
- if ((inherited || hasOwnProperty.call(value, key)) &&
- !(skipIndexes && (
- // Safari 9 has enumerable `arguments.length` in strict mode.
- key == 'length' ||
- // Node.js 0.10 has enumerable non-index properties on buffers.
- (isBuff && (key == 'offset' || key == 'parent')) ||
- // PhantomJS 2 has enumerable non-index properties on typed arrays.
- (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
- // Skip index properties.
- isIndex(key, length)
- ))) {
- result.push(key);
- }
- }
- return result;
- }
- export default arrayLikeKeys;
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