@fsms/angular-pubsub
Version:
Angular 11.x implementation of the [publish subscribe](https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern) Pattern.
656 lines (632 loc) • 27.1 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('rxjs')) :
typeof define === 'function' && define.amd ? define('@fsms/angular-pubsub', ['exports', '@angular/core', 'rxjs'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.fsms = global.fsms || {}, global.fsms['angular-pubsub'] = {}), global.ng.core, global.rxjs));
}(this, (function (exports, core, rxjs) { 'use strict';
var Logger = /** @class */ (function () {
function Logger() {
}
return Logger;
}());
var TracingService = /** @class */ (function () {
function TracingService(logger) {
this.logger = logger;
}
TracingService.prototype.trace = function (message) {
var timestamp = new Date().toISOString();
this.logger.log('------');
this.logger.log("[Pubsub - " + timestamp + "]: " + message);
this.logger.log('------');
};
return TracingService;
}());
TracingService.decorators = [
{ type: core.Injectable }
];
TracingService.ctorParameters = function () { return [
{ type: Logger }
]; };
var PubsubService = /** @class */ (function () {
function PubsubService(tracingService) {
this.tracingService = tracingService;
this.map = new Map();
this.subscriptions = [];
}
PubsubService.prototype.subscribe = function (_a) {
var _this = this;
var messageType = _a.messageType, callback = _a.callback, error = _a.error, complete = _a.complete;
if (!this.hasSubject(messageType)) {
this.setNewSubject(messageType);
}
var subject = this.getSubject(messageType);
var subscription = subject
.asObservable()
.subscribe(callback, error, complete);
this.tracingService.trace(messageType + " is subscribed");
this.addSubscription(subscription);
var unsubscribe = function () {
_this.tracingService.trace(messageType + " is unsubscribed");
subscription.unsubscribe();
};
return { unsubscribe: unsubscribe };
};
PubsubService.prototype.publish = function (message) {
if (!message) {
this.throwError('Publish method must get event name');
}
else if (!this.hasSubject(message.messageType)) {
return;
}
var context = this;
var subject = this.getSubject(message.messageType);
this.tracingService.trace("Publishing: " + message.messageType);
this.tracingService.trace(subject.observers.length + " subscribers found for: " + message.messageType);
subject.next({ message: message, context: context });
};
PubsubService.prototype.clearAllSubscriptions = function () {
this.subscriptions.forEach(function (s) { return s && s.unsubscribe(); });
this.subscriptions.length = 0;
this.map.clear();
this.tracingService.trace("All subscriptions are cleared");
};
PubsubService.prototype.addSubscription = function (sub) {
this.subscriptions.push(sub);
};
PubsubService.prototype.getSubject = function (messageType) {
return this.map.get(messageType);
};
PubsubService.prototype.hasSubject = function (messageType) {
return this.map.has(messageType);
};
PubsubService.prototype.setNewSubject = function (messageType) {
this.map.set(messageType, new rxjs.ReplaySubject());
};
PubsubService.prototype.throwError = function (msg) {
throw new Error("[" + PubsubService.ServiceName + "] => " + msg);
};
return PubsubService;
}());
PubsubService.ServiceName = 'PubSub Service';
PubsubService.decorators = [
{ type: core.Injectable }
];
PubsubService.ctorParameters = function () { return [
{ type: TracingService }
]; };
/*! *****************************************************************************
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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privateMap.set(receiver, value);
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}
var PubsubSources = /** @class */ (function () {
function PubsubSources() {
this.allPubsubInstances = [];
}
PubsubSources.prototype.addPubsub = function (pubsubInstance) {
this.allPubsubInstances.push(pubsubInstance);
};
PubsubSources.prototype.addPubsubs = function (rootPubsubs) {
var _this = this;
rootPubsubs.forEach(function (pubsubInstance) { return _this.addPubsub(pubsubInstance); });
};
PubsubSources.prototype.getAllPubsubInstances = function () {
return this.allPubsubInstances;
};
return PubsubSources;
}());
PubsubSources.decorators = [
{ type: core.Injectable }
];
PubsubSources.ctorParameters = function () { return []; };
var _ROOT_PUBSUBS_GUARD = new core.InjectionToken('@fsms/pubsub Internal Root Guard');
var USER_PROVIDED_PUBSUBS = new core.InjectionToken('@fsms/pubsub User Provided PubSub');
var _ROOT_PUBSUBS = new core.InjectionToken('@fsms/pubsub Internal Root PubSub');
var ROOT_PUBSUBS = new core.InjectionToken('@fsms/pubsub Root PubSub');
var _FEATURE_PUBSUBS = new core.InjectionToken('@fsms/pubsub Internal Feature PubSub');
var FEATURE_PUBSUBS = new core.InjectionToken('@fsms/pubsub Feature PubSub');
var METADATA_KEY = '__@fsms/pubsub__';
var PubsubFeatureModule = /** @class */ (function () {
function PubsubFeatureModule(sources, pubsubSourceGroups) {
pubsubSourceGroups.forEach(function (group) { return group.forEach(function (pubsubSourceInstance) { return sources.addPubsub(pubsubSourceInstance); }); });
}
return PubsubFeatureModule;
}());
PubsubFeatureModule.decorators = [
{ type: core.NgModule, args: [{},] }
];
PubsubFeatureModule.ctorParameters = function () { return [
{ type: PubsubSources },
{ type: Array, decorators: [{ type: core.Inject, args: [FEATURE_PUBSUBS,] }] }
]; };
var DefaultLogger = /** @class */ (function () {
function DefaultLogger() {
}
DefaultLogger.prototype.error = function (message, extra) {
if (message) {
extra ? console.error(message, extra) : console.error(message);
}
};
DefaultLogger.prototype.log = function (message, extra) {
if (message) {
extra ? console.log(message, extra) : console.log(message);
}
};
DefaultLogger.prototype.warn = function (message, extra) {
if (message) {
extra ? console.warn(message, extra) : console.warn(message);
}
};
return DefaultLogger;
}());
DefaultLogger.decorators = [
{ type: core.Injectable }
];
function getSourceForInstance(instance) {
return Object.getPrototypeOf(instance);
}
function getPubsubDecoratorMetadata(instance) {
var y = getSourceForInstance(instance);
return y.constructor[METADATA_KEY];
}
function subscribePubsubs(allPubsubInstances, pubsubService) {
allPubsubInstances.forEach(function (h) {
var z = getPubsubDecoratorMetadata(h);
z.messages.forEach(function (m) {
pubsubService.subscribe({
messageType: m.messageType,
callback: h.handle.bind(h),
});
});
});
}
var ROOT_PUBSUB_INIT = '@fsms/pubsub/init';
var PubsubRootModule = /** @class */ (function () {
function PubsubRootModule(pubsubService, sources, rootPubsubs) {
sources.addPubsubs(rootPubsubs);
subscribePubsubs(sources.getAllPubsubInstances(), pubsubService);
pubsubService.publish({ messageType: ROOT_PUBSUB_INIT });
}
return PubsubRootModule;
}());
PubsubRootModule.decorators = [
{ type: core.NgModule, args: [{},] }
];
PubsubRootModule.ctorParameters = function () { return [
{ type: PubsubService },
{ type: PubsubSources },
{ type: Array, decorators: [{ type: core.Inject, args: [ROOT_PUBSUBS,] }] }
]; };
var PubsubModule = /** @class */ (function () {
function PubsubModule() {
}
PubsubModule.forFeature = function (featurePubsubs) {
if (featurePubsubs === void 0) { featurePubsubs = []; }
return {
ngModule: PubsubFeatureModule,
providers: [
featurePubsubs,
{
provide: _FEATURE_PUBSUBS,
multi: true,
useValue: featurePubsubs,
},
{
provide: USER_PROVIDED_PUBSUBS,
multi: true,
useValue: [],
},
{
provide: FEATURE_PUBSUBS,
multi: true,
useFactory: createPubsubs,
deps: [core.Injector, _FEATURE_PUBSUBS, USER_PROVIDED_PUBSUBS],
},
PubsubService,
PubsubSources,
TracingService,
{ provide: Logger, useClass: DefaultLogger },
],
};
};
PubsubModule.forRoot = function (rootPubsubs) {
if (rootPubsubs === void 0) { rootPubsubs = []; }
return {
ngModule: PubsubRootModule,
providers: [
rootPubsubs,
{
provide: _ROOT_PUBSUBS,
useValue: [rootPubsubs],
},
PubsubService,
PubsubSources,
{
provide: USER_PROVIDED_PUBSUBS,
multi: true,
useValue: [],
},
{
provide: ROOT_PUBSUBS,
useFactory: createPubsubs,
deps: [core.Injector, _ROOT_PUBSUBS, USER_PROVIDED_PUBSUBS],
},
TracingService,
{ provide: Logger, useClass: DefaultLogger },
],
};
};
return PubsubModule;
}());
PubsubModule.decorators = [
{ type: core.NgModule }
];
function createPubsubs(injector, pubsubGroups, userProvidedEffectGroups) {
var e_1, _a, e_2, _b;
var mergedPubsubs = [];
try {
for (var pubsubGroups_1 = __values(pubsubGroups), pubsubGroups_1_1 = pubsubGroups_1.next(); !pubsubGroups_1_1.done; pubsubGroups_1_1 = pubsubGroups_1.next()) {
var pubsubGroup = pubsubGroups_1_1.value;
mergedPubsubs.push.apply(mergedPubsubs, __spread(pubsubGroup));
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (pubsubGroups_1_1 && !pubsubGroups_1_1.done && (_a = pubsubGroups_1.return)) _a.call(pubsubGroups_1);
}
finally { if (e_1) throw e_1.error; }
}
try {
for (var userProvidedEffectGroups_1 = __values(userProvidedEffectGroups), userProvidedEffectGroups_1_1 = userProvidedEffectGroups_1.next(); !userProvidedEffectGroups_1_1.done; userProvidedEffectGroups_1_1 = userProvidedEffectGroups_1.next()) {
var userProvidedPubsubsGroup = userProvidedEffectGroups_1_1.value;
mergedPubsubs.push.apply(mergedPubsubs, __spread(userProvidedPubsubsGroup));
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (userProvidedEffectGroups_1_1 && !userProvidedEffectGroups_1_1.done && (_b = userProvidedEffectGroups_1.return)) _b.call(userProvidedEffectGroups_1);
}
finally { if (e_2) throw e_2.error; }
}
return createPubsubInstances(injector, mergedPubsubs);
}
function createPubsubInstances(injector, pubsubs) {
return pubsubs.map(function (pubsub) { return injector.get(pubsub); });
}
/* class decorator */
function DefineMessage() {
return function (constructor) { return constructor; };
}
var DEFAULT_PUBSUB_CONFIG = {
messages: [],
useTracing: true,
};
// tslint:disable: ban-types
function RegisterHandler(config) {
return function (target) {
var metadata = Object.assign(Object.assign({}, DEFAULT_PUBSUB_CONFIG), config);
Object.defineProperty(target, METADATA_KEY, {
value: metadata,
});
};
}
/*
* Public API Surface of fsms-angular-pubsub
*/
/**
* Generated bundle index. Do not edit.
*/
exports.DefineMessage = DefineMessage;
exports.Logger = Logger;
exports.PubsubModule = PubsubModule;
exports.PubsubService = PubsubService;
exports.RegisterHandler = RegisterHandler;
exports.createPubsubInstances = createPubsubInstances;
exports.createPubsubs = createPubsubs;
exports.ɵa = TracingService;
exports.ɵb = PubsubFeatureModule;
exports.ɵc = USER_PROVIDED_PUBSUBS;
exports.ɵd = _ROOT_PUBSUBS;
exports.ɵe = ROOT_PUBSUBS;
exports.ɵf = _FEATURE_PUBSUBS;
exports.ɵg = FEATURE_PUBSUBS;
exports.ɵh = PubsubSources;
exports.ɵi = DefaultLogger;
exports.ɵj = PubsubRootModule;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=fsms-angular-pubsub.umd.js.map