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Bump to v3.0.0.
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65
lodash._binaryindex/index.js
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65
lodash._binaryindex/index.js
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/**
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* lodash 3.0.0 (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 1.7.0 <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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var binaryIndexBy = require('lodash._binaryindexby');
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/** Used as references for the maximum length and index of an array. */
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var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1,
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HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
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/**
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* Performs a binary search of `array` to determine the index at which `value`
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* should be inserted into `array` in order to maintain its sort order.
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*
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* @private
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* @param {Array} array The sorted array to inspect.
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* @param {*} value The value to evaluate.
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* @param {boolean} [retHighest] Specify returning the highest qualified index.
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* @returns {number} Returns the index at which `value` should be inserted
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* into `array`.
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*/
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function binaryIndex(array, value, retHighest) {
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var low = 0,
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high = array ? array.length : low;
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if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
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while (low < high) {
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var mid = (low + high) >>> 1,
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computed = array[mid];
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if (retHighest ? (computed <= value) : (computed < value)) {
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low = mid + 1;
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} else {
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high = mid;
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}
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}
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return high;
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}
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return binaryIndexBy(array, value, identity, retHighest);
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}
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/**
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* This method returns the first argument provided to it.
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*
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* @static
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* @memberOf _
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* @category Utility
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* @param {*} value Any value.
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* @returns {*} Returns `value`.
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* @example
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*
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* var object = { 'user': 'fred' };
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*
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* _.identity(object) === object;
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* // => true
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*/
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function identity(value) {
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return value;
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}
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module.exports = binaryIndex;
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