ngrx-store-freeze/bundles/ngrx-store-freeze.umd.js

@ngrx/store meta reducer that prevents state from being mutated.

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
	typeof define === 'function' && define.amd ? define(['exports'], factory) :
	(factory((global.ngrxStoreFreeze = global.ngrxStoreFreeze || {})));
}(this, (function (exports) { 'use strict';

var deepFreeze = require('deep-freeze-strict');
function storeFreeze(reducer) {
    return function freeze(state, action) {
        state = state || {};
        deepFreeze(state);
        // guard against trying to freeze null or undefined types
        if (action.payload) {
            deepFreeze(action.payload);
        }
        var nextState = reducer(state, action);
        deepFreeze(nextState);
        return nextState;
    };
}

exports.storeFreeze = storeFreeze;

Object.defineProperty(exports, '__esModule', { value: true });

})));