87 lines
2.0 KiB
TypeScript
87 lines
2.0 KiB
TypeScript
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let socket: WebSocket | null = null;
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let connectionAttempts = 0;
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const url = 'wss://dev.valnet.xyz';
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let routers: any[] = [];
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const connect = async () => {
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try {
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connectionAttempts ++;
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console.log('attempting api connection...');
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socket = new WebSocket(url);
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} catch (e) {
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if(connectionAttempts === 1)
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connect();
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else {
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const seconds = 2 ** connectionAttempts;
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console.log(`waiting ${seconds} seconds before reconnecting`);
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setTimeout(connect, 1000 * seconds);
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}
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return;
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}
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socket.addEventListener('open', () => {
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if(socket === null) return;
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connectionAttempts = 0;
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// socket.send('Hello Server!');
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});
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socket.addEventListener('message', (event) => {
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const {action, data} = JSON.parse(event.data);
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console.log('[IN]', action, data);
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const routeFound = routers
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.map(router => router(action, data))
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.reduce((a, b) => a + b, 0);
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if(routeFound === 0) {
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console.warn(`route <${action}> not found`);
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} else {
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console.log(`routed to ${routeFound} elements`);
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}
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});
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socket.addEventListener('close', () => {
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socket = null;
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connect();
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});
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};
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connect();
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export async function send(action: string, data?: any) {
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if(socket === null) return;
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if(socket && socket.readyState === socket.CONNECTING) {
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try {
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await new Promise((resolve, reject) => {
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socket?.addEventListener('open', resolve);
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socket?.addEventListener('close', reject);
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});
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} catch(e) {
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return;
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}
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if(socket.readyState !== socket.OPEN) return;
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}
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const message = JSON.stringify({ action, data });
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socket.send(message);
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}
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export function router(routes: any) {
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return function(route: string, data: any) {
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if(route in routes) {
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routes[route](data);
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return true;
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} else {
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return false;
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}
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};
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}
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export function registerRouter(router: any) {
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routers.push(router);
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}
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export function unregisterRouter(router: any) {
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routers = routers.filter(r => r !== router);
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} |