mirror of
https://github.com/whoisclebs/lodash.git
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Bump to v4.0.0.
This commit is contained in:
John-David Dalton
22
lodash._stack/LICENSE
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22
lodash._stack/LICENSE
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Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
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Based on Underscore.js, copyright 2009-2016 Jeremy Ashkenas,
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DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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lodash._stack/README.md
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lodash._stack/README.md
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# lodash._stack v4.0.0
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The internal [lodash](https://lodash.com/) function `Stack` exported as a [Node.js](https://nodejs.org/) module.
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## Installation
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Using npm:
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```bash
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$ {sudo -H} npm i -g npm
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$ npm i --save lodash._stack
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```
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In Node.js:
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```js
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var Stack = require('lodash._stack');
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```
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See the [package source](https://github.com/lodash/lodash/blob/4.0.0-npm-packages/lodash._stack) for more details.
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249
lodash._stack/index.js
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249
lodash._stack/index.js
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/**
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* lodash 4.0.0 (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright 2012-2016 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 2009-2016 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 MapCache = require('lodash._mapcache');
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/** Used as the size to enable large array optimizations. */
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var LARGE_ARRAY_SIZE = 200;
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/** Used for built-in method references. */
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var arrayProto = global.Array.prototype;
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/** Built-in value references. */
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var splice = arrayProto.splice;
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/**
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* Creates a stack cache object to store key-value pairs.
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*
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* @private
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* @param {Array} [values] The values to cache.
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*/
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function Stack(values) {
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var index = -1,
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length = values ? values.length : 0;
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this.clear();
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while (++index < length) {
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var entry = values[index];
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this.set(entry[0], entry[1]);
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}
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}
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/**
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* Removes all key-value entries from the stack.
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*
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* @private
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* @name clear
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* @memberOf Stack
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*/
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function stackClear() {
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this.__data__ = { 'array': [], 'map': null };
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}
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/**
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* Removes `key` and its value from the stack.
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*
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* @private
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* @name delete
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* @memberOf Stack
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* @param {string} key The key of the value to remove.
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* @returns {boolean} Returns `true` if the entry was removed, else `false`.
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*/
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function stackDelete(key) {
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var data = this.__data__,
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array = data.array;
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return array ? assocDelete(array, key) : data.map['delete'](key);
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}
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/**
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* Gets the stack value for `key`.
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*
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* @private
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* @name get
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* @memberOf Stack
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* @param {string} key The key of the value to get.
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* @returns {*} Returns the entry value.
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*/
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function stackGet(key) {
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var data = this.__data__,
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array = data.array;
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return array ? assocGet(array, key) : data.map.get(key);
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}
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/**
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* Checks if a stack value for `key` exists.
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*
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* @private
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* @name has
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* @memberOf Stack
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* @param {string} key The key of the entry to check.
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* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
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*/
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function stackHas(key) {
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var data = this.__data__,
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array = data.array;
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return array ? assocHas(array, key) : data.map.has(key);
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}
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/**
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* Sets the stack `key` to `value`.
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*
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* @private
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* @name set
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* @memberOf Stack
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* @param {string} key The key of the value to set.
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* @param {*} value The value to set.
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* @returns {Object} Returns the stack cache object.
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*/
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function stackSet(key, value) {
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var data = this.__data__,
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array = data.array;
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if (array) {
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if (array.length < (LARGE_ARRAY_SIZE - 1)) {
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assocSet(array, key, value);
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} else {
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data.array = null;
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data.map = new MapCache(array);
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}
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}
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var map = data.map;
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if (map) {
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map.set(key, value);
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}
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return this;
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}
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/**
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* Removes `key` and its value from the associative array.
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*
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* @private
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* @param {Array} array The array to query.
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* @param {string} key The key of the value to remove.
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* @returns {boolean} Returns `true` if the entry was removed, else `false`.
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*/
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function assocDelete(array, key) {
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var index = assocIndexOf(array, key);
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if (index < 0) {
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return false;
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}
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var lastIndex = array.length - 1;
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if (index == lastIndex) {
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array.pop();
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} else {
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splice.call(array, index, 1);
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}
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return true;
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}
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/**
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* Gets the associative array value for `key`.
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*
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* @private
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* @param {Array} array The array to query.
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* @param {string} key The key of the value to get.
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* @returns {*} Returns the entry value.
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*/
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function assocGet(array, key) {
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var index = assocIndexOf(array, key);
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return index < 0 ? undefined : array[index][1];
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}
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/**
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* Checks if an associative array value for `key` exists.
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*
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* @private
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* @param {Array} array The array to query.
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* @param {string} key The key of the entry to check.
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* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
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*/
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function assocHas(array, key) {
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return assocIndexOf(array, key) > -1;
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}
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/**
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* Gets the index at which the first occurrence of `key` is found in `array`
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* of key-value pairs.
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*
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* @private
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* @param {Array} array The array to search.
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* @param {*} key The key to search for.
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* @returns {number} Returns the index of the matched value, else `-1`.
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*/
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function assocIndexOf(array, key) {
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var length = array.length;
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while (length--) {
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if (eq(array[length][0], key)) {
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return length;
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}
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}
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return -1;
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}
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/**
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* Sets the associative array `key` to `value`.
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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 {string} key The key of the value to set.
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* @param {*} value The value to set.
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*/
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function assocSet(array, key, value) {
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var index = assocIndexOf(array, key);
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if (index < 0) {
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array.push([key, value]);
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} else {
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array[index][1] = value;
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}
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}
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/**
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* Performs a [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
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* comparison between two values to determine if they are equivalent.
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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 compare.
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* @param {*} other The other value to compare.
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* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
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* @example
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*
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* var object = { 'user': 'fred' };
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* var other = { 'user': 'fred' };
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*
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* _.eq(object, object);
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* // => true
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*
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* _.eq(object, other);
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* // => false
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*
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* _.eq('a', 'a');
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* // => true
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*
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* _.eq('a', Object('a'));
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* // => false
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*
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* _.eq(NaN, NaN);
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* // => true
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*/
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function eq(value, other) {
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return value === other || (value !== value && other !== other);
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}
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// Add functions to the `Stack` cache.
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Stack.prototype.clear = stackClear;
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Stack.prototype['delete'] = stackDelete;
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Stack.prototype.get = stackGet;
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Stack.prototype.has = stackHas;
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Stack.prototype.set = stackSet;
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module.exports = Stack;
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19
lodash._stack/package.json
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19
lodash._stack/package.json
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@@ -0,0 +1,19 @@
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{
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"name": "lodash._stack",
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"version": "4.0.0",
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"description": "The internal lodash function `Stack` exported as a module.",
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"homepage": "https://lodash.com/",
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"icon": "https://lodash.com/icon.svg",
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"license": "MIT",
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"author": "John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
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"contributors": [
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"John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
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"Blaine Bublitz <blaine@iceddev.com> (https://github.com/phated)",
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"Mathias Bynens <mathias@qiwi.be> (https://mathiasbynens.be/)"
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],
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"repository": "lodash/lodash",
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"scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
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"dependencies": {
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"lodash._mapcache": "^3.0.0"
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}
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}
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