unchanged/dist/unchanged.min.js

A tiny, fast, unopinionated handler for updating JS objects and arrays immutably

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/*! *****************************************************************************
    Copyright (c) Microsoft Corporation. All rights reserved.
    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
    this file except in compliance with the License. You may obtain a copy of the
    License at http://www.apache.org/licenses/LICENSE-2.0

    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
    MERCHANTABLITY OR NON-INFRINGEMENT.

    See the Apache Version 2.0 License for specific language governing permissions
    and limitations under the License.
    ***************************************************************************** */function o(){for(var n=0,r=0,t=arguments.length;r<t;r++)n+=arguments[r].length;var o=Array(n),e=0;for(r=0;r<t;r++)for(var u=arguments[r],i=0,c=u.length;i<c;i++,e++)o[e]=u[i];return o}var e=Object,u=e.create,i=e.getOwnPropertySymbols,c=e.getPrototypeOf,f=e.keys,a=e.propertyIsEnumerable,p=Array.isArray,y=Function.prototype.bind.call(Function.prototype.call,Function.prototype.toString),l=Function.prototype.bind.call(Function.prototype.call,e.prototype.toString),v="function"==typeof Symbol&&"function"==typeof Symbol.for,d=v?Symbol.for("react.element"):60103,s=function(n,r,t){for(var o=t,e=0,u=n.length;e<u;e++)o=r(o,n[e]);return o},h=function(n){if(!v)return f(n);var r=i(n);return r.length?f(n).concat(s(r,(function(r,t){return a.call(n,t)&&r.push(t),r}),[])):f(n)},g="function"==typeof e.assign?e.assign:function(n,r){return r?s(h(r),(function(n,t){return n[t]=r[t],n}),Object(n)):n},b=function(n){return 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