56 lines
1.1 KiB
JavaScript
56 lines
1.1 KiB
JavaScript
import _curry1 from "./_curry1.js";
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import _isArray from "./_isArray.js";
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import _isString from "./_isString.js";
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/**
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* Tests whether or not an object is similar to an array.
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*
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* @private
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* @category Type
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* @category List
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* @sig * -> Boolean
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* @param {*} x The object to test.
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* @return {Boolean} `true` if `x` has a numeric length property and extreme indices defined; `false` otherwise.
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* @example
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*
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* _isArrayLike([]); //=> true
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* _isArrayLike(true); //=> false
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* _isArrayLike({}); //=> false
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* _isArrayLike({length: 10}); //=> false
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* _isArrayLike({0: 'zero', 9: 'nine', length: 10}); //=> true
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*/
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var _isArrayLike =
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/*#__PURE__*/
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_curry1(function isArrayLike(x) {
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if (_isArray(x)) {
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return true;
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}
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if (!x) {
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return false;
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}
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if (typeof x !== 'object') {
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return false;
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}
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if (_isString(x)) {
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return false;
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}
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if (x.nodeType === 1) {
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return !!x.length;
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}
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if (x.length === 0) {
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return true;
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}
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if (x.length > 0) {
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return x.hasOwnProperty(0) && x.hasOwnProperty(x.length - 1);
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}
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return false;
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});
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export default _isArrayLike; |