wisplite/tether-ts
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separation of concerns

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wisplite
2026-04-21 22:26:47 -05:00
parent 00eeff1282
commit 89d2b414f9
6 changed files with 169 additions and 76 deletions
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dist/index.js
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+7 -38
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@@ -1,60 +1,29 @@
import { WebSocketHandler } from './utils/websocket.js';
export class TetherClient {
ws = null;
websocketHandler = new WebSocketHandler();
subscribedQueries = new Map();
connect = (url) => {
this.ws = new WebSocket(url);
this.ws.onopen = () => {
console.log('Connected to Tether');
};
this.ws.onmessage = (event) => {
const data = JSON.parse(event.data);
if (data.type === 'query') {
this.subscribedQueries.forEach((callback, query) => {
if (data.query === query) {
callback(data.data);
}
});
}
else if (data.type === 'error') {
console.error(data.error);
}
};
this.ws.onclose = () => {
console.log('Disconnected from Tether');
};
this.websocketHandler.startConnection(url);
};
disconnect = () => {
if (!this.ws || this.ws.readyState !== WebSocket.OPEN) {
throw new Error('Not connected to Tether');
}
this.ws.close();
this.ws = null;
this.websocketHandler.close();
};
subscribe = (query, callback) => {
this.subscribedQueries.set(query, callback);
if (!this.ws || this.ws.readyState !== WebSocket.OPEN) {
throw new Error('Not connected to Tether');
}
this.ws.send(JSON.stringify({
this.websocketHandler.send(JSON.stringify({
type: 'subscribe',
query: query
}));
};
unsubscribe = (query) => {
this.subscribedQueries.delete(query);
if (!this.ws || this.ws.readyState !== WebSocket.OPEN) {
throw new Error('Not connected to Tether');
}
this.ws.send(JSON.stringify({
this.websocketHandler.send(JSON.stringify({
type: 'unsubscribe',
query: query
}));
};
sendMutation = (mutationName, params) => {
if (!this.ws || this.ws.readyState !== WebSocket.OPEN) {
throw new Error('Not connected to Tether');
}
this.ws.send(JSON.stringify({
this.websocketHandler.send(JSON.stringify({
type: 'mutation',
name: mutationName,
payload: params,