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61 lines
1.9 KiB
JavaScript
61 lines
1.9 KiB
JavaScript
/**
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* lodash 3.8.2 (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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/** Used to detect unsigned integer values. */
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var reIsUint = /^\d+$/;
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/** Used for native method references. */
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var arrayProto = Array.prototype;
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/** Native method references. */
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var splice = arrayProto.splice;
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/**
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* Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
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* of an array-like value.
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*/
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var MAX_SAFE_INTEGER = 9007199254740991;
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/**
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* The base implementation of `_.pullAt` without support for individual
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* index arguments and capturing the removed elements.
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*
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* @private
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* @param {Array} array The array to modify.
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* @param {number[]} indexes The indexes of elements to remove.
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* @returns {Array} Returns `array`.
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*/
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function basePullAt(array, indexes) {
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var length = array ? indexes.length : 0;
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while (length--) {
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var index = indexes[length];
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if (index != previous && isIndex(index)) {
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var previous = index;
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splice.call(array, index, 1);
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}
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}
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return array;
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}
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/**
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* Checks if `value` is a valid array-like index.
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*
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* @private
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* @param {*} value The value to check.
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* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
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* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
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*/
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function isIndex(value, length) {
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value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
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length = length == null ? MAX_SAFE_INTEGER : length;
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return value > -1 && value % 1 == 0 && value < length;
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}
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module.exports = basePullAt;
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