54 lines
1.6 KiB
JavaScript
54 lines
1.6 KiB
JavaScript
/**
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* lodash 3.0.2 (Custom Build) <https://lodash.com/>
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* Build: `lodash modern modularize exports="npm" -o ./`
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* Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Available under MIT license <https://lodash.com/license>
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*/
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/**
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* Checks if `value` is in `cache` mimicking the return signature of
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* `_.indexOf` by returning `0` if the value is found, else `-1`.
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*
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* @private
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* @param {Object} cache The cache to search.
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* @param {*} value The value to search for.
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* @returns {number} Returns `0` if `value` is found, else `-1`.
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*/
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function cacheIndexOf(cache, value) {
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var data = cache.data,
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result = (typeof value == 'string' || isObject(value)) ? data.set.has(value) : data.hash[value];
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return result ? 0 : -1;
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}
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/**
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* Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
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* (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
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*
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* @static
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* @memberOf _
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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 an object, else `false`.
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* @example
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*
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* _.isObject({});
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* // => true
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*
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* _.isObject([1, 2, 3]);
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* // => true
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*
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* _.isObject(1);
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* // => false
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*/
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function isObject(value) {
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// Avoid a V8 JIT bug in Chrome 19-20.
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// See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
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var type = typeof value;
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return !!value && (type == 'object' || type == 'function');
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}
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module.exports = cacheIndexOf;
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