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https://github.com/whoisclebs/lodash.git
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Bump to v3.0.0.
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22
lodash.merge/LICENSE.txt
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22
lodash.merge/LICENSE.txt
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Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
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Based on Underscore.js 1.7.0, copyright 2009-2015 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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20
lodash.merge/README.md
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lodash.merge/README.md
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# lodash.merge v3.0.0
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The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.merge` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.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.merge
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```
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In Node.js/io.js:
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```js
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var merge = require('lodash.merge');
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```
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See the [documentation](https://lodash.com/docs#merge) or [package source](https://github.com/lodash/lodash/blob/3.0.0-npm-packages/lodash.merge) for more details.
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205
lodash.merge/index.js
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lodash.merge/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 arrayCopy = require('lodash._arraycopy'),
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arrayEach = require('lodash._arrayeach'),
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baseFor = require('lodash._basefor'),
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createAssigner = require('lodash._createassigner'),
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isArguments = require('lodash.isarguments'),
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isArray = require('lodash.isarray'),
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isPlainObject = require('lodash.isplainobject'),
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isTypedArray = require('lodash.istypedarray'),
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keys = require('lodash.keys'),
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toPlainObject = require('lodash.toplainobject');
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/**
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* Checks if `value` is object-like.
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*
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* @private
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
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*/
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function isObjectLike(value) {
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return (value && typeof value == 'object') || false;
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}
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/**
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* Used as the maximum length of an array-like value.
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* See the [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
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* for more details.
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*/
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var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
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/**
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* The base implementation of `_.forOwn` without support for callback
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* shorthands and `this` binding.
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*
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* @private
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* @param {Object} object The object to iterate over.
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* @param {Function} iteratee The function invoked per iteration.
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* @returns {Object} Returns `object`.
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*/
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function baseForOwn(object, iteratee) {
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return baseFor(object, iteratee, keys);
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}
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/**
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* The base implementation of `_.merge` without support for argument juggling,
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* multiple sources, and `this` binding `customizer` functions.
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*
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* @private
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* @param {Object} object The destination object.
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* @param {Object} source The source object.
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* @param {Function} [customizer] The function to customize merging properties.
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* @param {Array} [stackA=[]] Tracks traversed source objects.
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* @param {Array} [stackB=[]] Associates values with source counterparts.
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* @returns {Object} Returns the destination object.
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*/
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function baseMerge(object, source, customizer, stackA, stackB) {
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var isSrcArr = isLength(source.length) && (isArray(source) || isTypedArray(source));
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(isSrcArr ? arrayEach : baseForOwn)(source, function(srcValue, key, source) {
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if (isObjectLike(srcValue)) {
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stackA || (stackA = []);
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stackB || (stackB = []);
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return baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);
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}
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var value = object[key],
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result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
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isCommon = typeof result == 'undefined';
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if (isCommon) {
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result = srcValue;
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}
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if ((isSrcArr || typeof result != 'undefined') &&
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(isCommon || (result === result ? result !== value : value === value))) {
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object[key] = result;
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}
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});
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return object;
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}
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/**
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* A specialized version of `baseMerge` for arrays and objects which performs
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* deep merges and tracks traversed objects enabling objects with circular
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* references to be merged.
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*
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* @private
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* @param {Object} object The destination object.
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* @param {Object} source The source object.
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* @param {string} key The key of the value to merge.
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* @param {Function} mergeFunc The function to merge values.
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* @param {Function} [customizer] The function to customize merging properties.
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* @param {Array} [stackA=[]] Tracks traversed source objects.
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* @param {Array} [stackB=[]] Associates values with source counterparts.
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* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
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*/
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function baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) {
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var length = stackA.length,
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srcValue = source[key];
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while (length--) {
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if (stackA[length] == srcValue) {
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object[key] = stackB[length];
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return;
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}
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}
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var value = object[key],
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result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
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isCommon = typeof result == 'undefined';
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if (isCommon) {
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result = srcValue;
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if (isLength(srcValue.length) && (isArray(srcValue) || isTypedArray(srcValue))) {
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result = isArray(value)
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? value
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: (value ? arrayCopy(value) : []);
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}
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else if (isPlainObject(srcValue) || isArguments(srcValue)) {
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result = isArguments(value)
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? toPlainObject(value)
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: (isPlainObject(value) ? value : {});
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}
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}
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// Add the source value to the stack of traversed objects and associate
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// it with its merged value.
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stackA.push(srcValue);
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stackB.push(result);
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if (isCommon) {
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// Recursively merge objects and arrays (susceptible to call stack limits).
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object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB);
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} else if (result === result ? result !== value : value === value) {
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object[key] = result;
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}
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}
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/**
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* Checks if `value` is a valid array-like length.
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*
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* **Note:** This function is based on ES `ToLength`. See the
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* [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength)
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* for more details.
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*
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* @private
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
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*/
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function isLength(value) {
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return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
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}
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/**
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* Recursively merges own enumerable properties of the source object(s), that
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* don't resolve to `undefined` into the destination object. Subsequent sources
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* overwrite property assignments of previous sources. If `customizer` is
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* provided it is invoked to produce the merged values of the destination and
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* source properties. If `customizer` returns `undefined` merging is handled
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* by the method instead. The `customizer` is bound to `thisArg` and invoked
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* with five arguments; (objectValue, sourceValue, key, object, source).
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*
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* @static
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* @memberOf _
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* @category Object
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* @param {Object} object The destination object.
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* @param {...Object} [sources] The source objects.
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* @param {Function} [customizer] The function to customize merging properties.
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* @param {*} [thisArg] The `this` binding of `customizer`.
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* @returns {Object} Returns `object`.
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* @example
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*
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* var users = {
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* 'data': [{ 'user': 'barney' }, { 'user': 'fred' }]
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* };
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*
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* var ages = {
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* 'data': [{ 'age': 36 }, { 'age': 40 }]
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* };
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*
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* _.merge(users, ages);
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* // => { 'data': [{ 'user': 'barney', 'age': 36 }, { 'user': 'fred', 'age': 40 }] }
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*
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* // using a customizer callback
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* var object = {
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* 'fruits': ['apple'],
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* 'vegetables': ['beet']
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* };
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*
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* var other = {
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* 'fruits': ['banana'],
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* 'vegetables': ['carrot']
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* };
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*
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* _.merge(object, other, function(a, b) {
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* return _.isArray(a) ? a.concat(b) : undefined;
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* });
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* // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot'] }
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*/
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var merge = createAssigner(baseMerge);
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module.exports = merge;
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31
lodash.merge/package.json
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31
lodash.merge/package.json
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{
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"name": "lodash.merge",
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"version": "3.0.0",
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"description": "The modern build of lodash’s `_.merge` 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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"keywords": "lodash, lodash-modularized, stdlib, util",
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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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"Benjamin Tan <demoneaux@gmail.com> (https://d10.github.io/)",
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"Blaine Bublitz <blaine@iceddev.com> (http://www.iceddev.com/)",
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"Kit Cambridge <github@kitcambridge.be> (http://kitcambridge.be/)",
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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._arraycopy": "^3.0.0",
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"lodash._arrayeach": "^3.0.0",
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"lodash._basefor": "^3.0.0",
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"lodash._createassigner": "^3.0.0",
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"lodash.isarguments": "^3.0.0",
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"lodash.isarray": "^3.0.0",
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"lodash.isplainobject": "^3.0.0",
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"lodash.istypedarray": "^3.0.0",
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"lodash.keys": "^3.0.0",
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"lodash.toplainobject": "^3.0.0"
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}
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}
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