13 lines
428 B
JavaScript
13 lines
428 B
JavaScript
var _isArrayLike = require('./_isArrayLike.js');
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var values = require('./values.js');
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var indexOf = require('./indexOf.js');
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// Determine if the array or object contains a given item (using `===`).
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function contains(obj, item, fromIndex, guard) {
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if (!_isArrayLike(obj)) obj = values(obj);
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if (typeof fromIndex != 'number' || guard) fromIndex = 0;
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return indexOf(obj, item, fromIndex) >= 0;
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}
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module.exports = contains;
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