36 lines
913 B
JavaScript
36 lines
913 B
JavaScript
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var getLength = require('./_getLength'),
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isFunction = require('./isFunction'),
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isLength = require('./isLength');
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/**
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* Checks if `value` is array-like. A value is considered array-like if it's
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* not a function and has a `value.length` that's an integer greater than or
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* equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
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*
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* @static
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* @memberOf _
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* @type Function
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
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* @example
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*
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* _.isArrayLike([1, 2, 3]);
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* // => true
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*
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* _.isArrayLike(document.body.children);
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* // => true
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*
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* _.isArrayLike('abc');
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* // => true
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*
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* _.isArrayLike(_.noop);
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* // => false
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*/
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function isArrayLike(value) {
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return value != null &&
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!(typeof value == 'function' && isFunction(value)) && isLength(getLength(value));
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}
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module.exports = isArrayLike;
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