ngrx-reducer-effects
Version:
Return side-effects as data from your NgRx reducers
535 lines (518 loc) • 23.5 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@ngrx/store'), require('rxjs')) :
typeof define === 'function' && define.amd ? define('ngrx-reducer-effects', ['exports', '@angular/core', '@ngrx/store', 'rxjs'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global['ngrx-reducer-effects'] = {}, global.ng.core, global.store, global.rxjs));
}(this, (function (exports, core, store, rxjs) { 'use strict';
function createReducerEffect(effectCreator) {
return function (params) { return Object.assign(typeof effectCreator === 'function' ? effectCreator(params) : effectCreator, { params: params }); };
}
var stateWithEffectsBrand = 'StateWithEffects';
function withEffects(state) {
var effects = [];
for (var _i = 1; _i < arguments.length; _i++) {
effects[_i - 1] = arguments[_i];
}
return {
__brand: stateWithEffectsBrand,
state: state,
effects: effects
};
}
var unsubscribeBrand = 'Unsubscribe';
function unsubscribe(subscriptionToken) {
return {
__brand: unsubscribeBrand,
subscriptionToken: subscriptionToken
};
}
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
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var handler = {
get: function () {
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}
};
var target = {};
var proxy = new Proxy(target, handler);
function addEffectDescriptions(state, effects) {
var effectDescriptions = effects.map(function (effect) { return ({
type: effect.type,
params: effect.params,
nextAction: hasNextAction(effect) ? effect.next(proxy).type : undefined,
errorAction: hasErrorAction(effect) ? effect.error(proxy).type : undefined,
completeAction: hasCompleteAction(effect) ? effect.complete().type : undefined,
subscribeAction: hasSubscribeAction(effect)
? effect.subscribe(0).type
: undefined,
resolveAction: hasResolveAction(effect) ? effect.resolve(proxy).type : undefined,
rejectAction: hasRejectAction(effect) ? effect.reject(proxy).type : undefined,
unsubscribeAction: hasUnsubscribeAction(effect)
? effect.unsubscribe(0).type
: undefined
}); });
return Object.assign(state, { __effects__: effectDescriptions });
}
function hasNextAction(effect) {
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}
function hasErrorAction(effect) {
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}
function hasCompleteAction(effect) {
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}
function hasSubscribeAction(effect) {
return effect.subscribe !== undefined;
}
function hasResolveAction(effect) {
return effect.resolve !== undefined;
}
function hasRejectAction(effect) {
return effect.reject !== undefined;
}
function hasUnsubscribeAction(effect) {
return effect.unsubscribe !== undefined;
}
function isObservableEffect(effect, operand) {
return rxjs.isObservable(operand);
}
function isPromiseEffect(effect, operand) {
return operand instanceof Promise;
}
function isUnsubscriptionEffect(effect, operand) {
return operand.__brand === 'Unsubscribe';
}
function handleEffects(injector, runtime) {
return function (reduced) {
var _a;
var newState = handleSliceEffects(reduced);
// tslint:disable-next-line:forin
for (var key in newState) {
newState = Object.assign(Object.assign({}, newState), (_a = {}, _a[key] = handleSliceEffects(newState[key]), _a));
}
return newState;
};
function handleSliceEffects(slicedState) {
if (isStateWithEffects(slicedState)) {
slicedState.effects.forEach(function (effect) { return handleStateWithEffect(effect, runtime, injector.get(store.Store), injector); });
return addEffectDescriptions(slicedState.state, slicedState.effects);
}
else {
return slicedState;
}
}
}
function isStateWithEffects(state) {
return (state === null || state === void 0 ? void 0 : state.__brand) === 'StateWithEffects';
}
function handleStateWithEffect(effect, runtime, store, injector) {
var operand = effect.operation(injector.get.bind(injector));
if (isObservableEffect(effect, operand)) {
var token = (Math.max.apply(Math, __spread(runtime.keys())) + 1);
var subscription = operand.subscribe({
next: function (value) { return effect.next && store.dispatch(effect.next(value)); },
error: function (err) { return effect.error && store.dispatch(effect.error(err)); },
complete: function () { return effect.complete && store.dispatch(effect.complete()); }
});
runtime.set(token, subscription);
if (effect.subscribe) {
store.dispatch(effect.subscribe(token));
}
}
else if (isPromiseEffect(effect, operand)) {
operand.then(function (value) { return effect.resolve && store.dispatch(effect.resolve(value)); }, function (err) { return effect.reject && store.dispatch(effect.reject(err)); });
}
else if (isUnsubscriptionEffect(effect, operand)) {
handleUnsubscribe(operand, effect, runtime, store);
}
}
function handleUnsubscribe(operation, effect, runtime, store) {
var cancellable = runtime.get(operation.subscriptionToken);
if (cancellable instanceof rxjs.Subscription) {
runtime.delete(operation.subscriptionToken);
cancellable.unsubscribe();
}
else if (cancellable instanceof AbortController) {
runtime.delete(operation.subscriptionToken);
cancellable.abort();
}
else {
console.warn("SubscriptionToken " + operation.subscriptionToken + " not recognized. Did you cancel this already?");
}
if (effect.unsubscribe) {
store.dispatch(effect.unsubscribe(0));
}
}
function createRuntimeReducerFactory(reducerFactory, injector, metaReducers) {
var runtime = new Map();
// TODO: Set default counter value
runtime.set(31415, new rxjs.Subscription());
if (Array.isArray(metaReducers) && metaReducers.length > 0) {
reducerFactory = store.compose.apply(null, __spread(metaReducers, [reducerFactory]));
}
return function (reducers, initialState) {
var reducer = reducerFactory(reducers);
return function (state, action) {
state = state === undefined ? initialState : state;
return handleEffects(injector, runtime)(reducer(state, action));
};
};
}
var _REDUCER_FACTORY = new core.InjectionToken('ngrx-reducer-effects Internal Reducer Factory Provider');
var _RESOLVED_META_REDUCERS = new core.InjectionToken('ngrx-reducer-effects Internal Resolved Meta Reducers');
var EffectStoreModule = /** @class */ (function (_super) {
__extends(EffectStoreModule, _super);
function EffectStoreModule() {
return _super !== null && _super.apply(this, arguments) || this;
}
EffectStoreModule.forRoot = function (reducers, config) {
if (config === void 0) { config = {}; }
var _a;
var store$1 = store.StoreModule.forRoot(reducers, Object.assign(Object.assign({}, config), { runtimeChecks: Object.assign(Object.assign({}, config.runtimeChecks), { strictStateImmutability: false }) }));
return {
ngModule: store$1.ngModule,
providers: __spread(((_a = store$1.providers) !== null && _a !== void 0 ? _a : []), [
{
provide: _RESOLVED_META_REDUCERS,
deps: [store.META_REDUCERS, store.USER_PROVIDED_META_REDUCERS],
useFactory: _concatMetaReducers
},
{
provide: _REDUCER_FACTORY,
useValue: config.reducerFactory ? config.reducerFactory : store.combineReducers
},
{
provide: store.REDUCER_FACTORY,
deps: [_REDUCER_FACTORY, core.Injector, _RESOLVED_META_REDUCERS],
useFactory: createRuntimeReducerFactory
}
])
};
};
return EffectStoreModule;
}(store.StoreModule));
EffectStoreModule.decorators = [
{ type: core.NgModule, args: [{},] }
];
function _concatMetaReducers(metaReducers, userProvidedMetaReducers) {
return metaReducers.concat(userProvidedMetaReducers);
}
/*
* Public API Surface of ngrx-reducer-effects
*/
/**
* Generated bundle index. Do not edit.
*/
exports.EffectStoreModule = EffectStoreModule;
exports.createReducerEffect = createReducerEffect;
exports.unsubscribe = unsubscribe;
exports.withEffects = withEffects;
exports.ɵa = unsubscribeBrand;
exports.ɵb = stateWithEffectsBrand;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=ngrx-reducer-effects.umd.js.map