67 lines
2.0 KiB
TypeScript
67 lines
2.0 KiB
TypeScript
import { TypedRequest } from '@apiglobal/typedrequest';
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import * as plugins from './dees-comms.plugins.js';
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let BroadcastChannel = globalThis.BroadcastChannel;
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if (!BroadcastChannel) {
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BroadcastChannel = plugins.BroadCastChannelPolyfill as any;
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}
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/**
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* a comm class for client side communication between workers and tabs.
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*/
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export class DeesComms {
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private broadcastChannel = new BroadcastChannel('dees-comms');
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// sending messages
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public typedrouter = new plugins.typedrequest.TypedRouter();
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public typedtarget = new plugins.typedrequest.TypedTarget({
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postMethodWithTypedRouter: async (messageArg) => {
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this.postMessage(messageArg);
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},
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typedRouterRef: this.typedrouter,
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});
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// receiving messages
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constructor() {
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this.broadcastChannel.onmessage = async (eventArg) => {
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const message = (eventArg as any).method ? eventArg : eventArg.data;
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console.log(JSON.stringify(message));
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const response = await this.typedrouter.routeAndAddResponse(message);
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if (response) {
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this.postMessage(response);
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}
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};
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}
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/**
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* creates a typedrequest with this classes postMessage as postMethod
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*/
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public createTypedRequest<T extends plugins.typedrequestInterfaces.ITypedRequest>(
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methodName: T['method']
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): TypedRequest<T> {
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const typedrequest = new plugins.typedrequest.TypedRequest(this.typedtarget, methodName);
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return typedrequest;
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}
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/**
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* posts a typedrequestmessage
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*/
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public async postMessage<T = plugins.typedrequestInterfaces.ITypedRequest>(
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messageArg: T
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): Promise<void> {
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this.broadcastChannel.postMessage(messageArg);
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}
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/**
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* subscribe to messages
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*/
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public async createTypedHandler<T extends plugins.typedrequestInterfaces.ITypedRequest>(
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methodArg: T['method'],
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handlerFunction: plugins.typedrequest.THandlerFunction<T>
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) {
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this.typedrouter.addTypedHandler(
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new plugins.typedrequest.TypedHandler<T>(methodArg, handlerFunction)
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);
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}
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}
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