ngrx-run
Version:
Return side-effects as data from your NgRx reducers
625 lines (607 loc) • 26.6 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-run', ['exports', '@angular/core', '@ngrx/store', 'rxjs'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global['ngrx-run'] = {}, global.ng.core, global.store, global.rxjs));
}(this, (function (exports, core, store, rxjs) { 'use strict';
/*! *****************************************************************************
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.
***************************************************************************** */
/* global Reflect, Promise */
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function verb(n) { return function (v) { return step([n, v]); }; }
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} }
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function fulfill(value) { resume("next", value); }
function reject(value) { resume("throw", value); }
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return value;
}
function inject(token) {
return token;
}
/* General */
function createEffect(type, config) {
// tslint:disable-next-line:only-arrow-functions typedef
return function (params) {
var hasParams = arguments.length > 0;
var hasDependencies = config.using;
if (hasParams && hasDependencies) {
return {
__isEffect: true,
type: type,
call: function () {
var deps = [];
for (var _i = 0; _i < arguments.length; _i++) {
deps[_i] = arguments[_i];
}
return config.call.apply(config, __spread(deps))(params);
},
using: config.using,
params: params
};
}
else if (!hasParams) {
return {
__isEffect: true,
type: type,
call: function () {
var deps = [];
for (var _i = 0; _i < arguments.length; _i++) {
deps[_i] = arguments[_i];
}
return config.call.apply(config, __spread(deps));
},
using: config.using,
params: params
};
}
else {
return {
__isEffect: true,
type: type,
call: function () { return config.call(params); },
using: config.using,
params: params
};
}
};
}
var unsubscribeBrand = 'Unsubscribe';
function unsubscribe(subscriptionToken, type) {
return {
__isEffect: true,
type: type !== null && type !== void 0 ? type : 'Unsubscribe',
call: function () { return ({
__brand: unsubscribeBrand,
subscriptionToken: subscriptionToken
}); }
};
}
function run(effect, handler) {
return Object.assign(Object.assign({}, effect), handler);
}
var handler = {
get: function () {
return proxy;
}
};
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.subscribed(0).type
: undefined
}); });
return Object.assign(state, { __effects: effectDescriptions });
}
function hasNextAction(effect) {
return effect.next !== undefined;
}
function hasErrorAction(effect) {
return effect.error !== undefined;
}
function hasCompleteAction(effect) {
return effect.complete !== undefined;
}
function hasSubscribeAction(effect) {
return effect.subscribed !== undefined;
}
function hasDependencies(effectLike) {
return effectLike.using != null;
}
function isObservableEffect(effect, operand) {
return rxjs.isObservable(operand);
}
function isObservableOperand(operand) {
return rxjs.isObservable(operand);
}
function isPromiseEffect(effect, operand) {
return operand instanceof Promise;
}
function isPromiseOperand(operand) {
return operand instanceof Promise;
}
function isUnsubscriptionEffect(effect, operand) {
var _a;
return ((_a = operand) === null || _a === void 0 ? void 0 : _a.__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)) {
var _a = __read(slicedState), state = _a[0], effects = _a.slice(1);
effects.map(function (effect) { return handleStateWithEffect(effect, runtime, injector.get(store.Store), injector); });
return addEffectDescriptions(state, effects);
}
else {
return slicedState;
}
}
}
function isStateWithEffects(state) {
return state && state[1] && state[1].__isEffect === true;
}
function handleStateWithEffect(effect, runtime, store, injector) {
var operand;
var deps = hasDependencies(effect)
? effect.using.map(function (dep) { return injector.get(dep); })
: [];
try {
// @ts-ignore
operand = effect.call.apply(effect, __spread(deps));
}
catch (err) {
if (effect.error) {
try {
store.dispatch(effect.error(err));
}
catch (innerError) {
console.error("Unhandled error occurred when creating error action for effect \"" + effect.type + "\"", innerError);
}
}
else {
console.error("Unhandled error occurred when creating operation for effect \"" + effect.type + "\"", err);
}
}
if (isObservableEffect(effect, operand) && isObservableOperand(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.subscribed) {
store.dispatch(effect.subscribed(token));
}
}
else if (isPromiseEffect(effect, operand) && isPromiseOperand(operand)) {
operand.then(function (value) { return effect.complete && store.dispatch(effect.complete(value)); }, function (err) { return effect.error && store.dispatch(effect.error(err)); });
}
else if (isUnsubscriptionEffect(effect, operand)) {
handleUnsubscribe(operand, effect, runtime, store);
}
else {
var complete = effect.complete;
if (complete) {
store.dispatch(complete());
}
}
}
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.complete) {
store.dispatch(effect.complete());
}
}
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-run Internal Reducer Factory Provider');
var _RESOLVED_META_REDUCERS = new core.InjectionToken('ngrx-run 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);
}
function isActionOf(action, actions) {
return Object.values(actions)
.map(function (a) { return a.type; })
.includes(action.type);
}
function childReducer(state, key, action, reducer) {
var _a;
return Object.assign(Object.assign({}, state), (_a = {}, _a[key] = reducer(state[key], action), _a));
}
function tokenized(actionCreator, token) {
return (function (p) { return Object.assign(actionCreator(p), { token: token }); });
}
function hasToken(maybeTokenized, token) {
return isTokenized(maybeTokenized) && maybeTokenized.token === token;
}
function createToken(token) {
return token;
}
function isTokenized(maybeTokenized) {
return maybeTokenized.token != null;
}
/*
* Public API Surface of ngrx-run
*/
/**
* Generated bundle index. Do not edit.
*/
exports.EffectStoreModule = EffectStoreModule;
exports.childReducer = childReducer;
exports.createEffect = createEffect;
exports.createToken = createToken;
exports.hasToken = hasToken;
exports.isActionOf = isActionOf;
exports.run = run;
exports.tokenized = tokenized;
exports.unsubscribe = unsubscribe;
Object.defineProperty(exports, '__esModule', { value: true });
})));
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