64 lines
1.5 KiB
TypeScript
64 lines
1.5 KiB
TypeScript
// this file is responsible for managing UDN connections.
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import UDNFrontend, { Message } from "udn-frontend";
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import { ChatMessage } from "./chatTypes";
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import { stringify } from "../utility";
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export default class ConnectionModel {
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// basic
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udn: UDNFrontend;
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// data
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get isConnected(): boolean {
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return this.udn.ws != undefined && this.udn.ws.readyState == 1;
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}
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get address(): string | undefined {
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return this.udn.ws?.url;
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}
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// connection
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connect = (address: string): void => {
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this.udn.connect(address);
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};
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disconnect = (): void => {
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this.udn.disconnect();
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};
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handleConnectionChange = () => {
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console.log("connection status:", this.isConnected, this.address);
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};
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// messaging
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sendChatMessage = (chatMessage: ChatMessage): boolean => {
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const stringifiedBody = stringify(chatMessage);
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return this.udn.sendMessage(chatMessage.channel, stringifiedBody);
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};
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// setup
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constructor(configuration: ConnectionModelConfiguration) {
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// create frontend
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this.udn = new UDNFrontend();
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// setup handlers
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this.udn.onmessage = (data: Message) => {
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configuration.messageHandler(data);
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};
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this.udn.onconnect = () => {
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this.handleConnectionChange();
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configuration.connectionChangeHandler();
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};
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this.udn.ondisconnect = () => {
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this.handleConnectionChange();
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configuration.connectionChangeHandler();
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};
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}
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}
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export interface ConnectionModelConfiguration {
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connectionChangeHandler: () => void;
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messageHandler: (data: Message) => void;
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}
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