Following the worker + websocket documentation how to connect to a external websocket server but cannot get it to work.
I just get Fetch API cannot load: wss://....
Below is the POC
export default {
async fetch() {
// URL of your WebSocket server
const url =
'wss://REDACTED';
// Custom headers
const headers = {
Upgrade: 'websocket',
Cookie:
'REDACTED',
};
let resp = await fetch(url, {
headers
});
let ws = resp.webSocket;
if (!ws) {
throw new Error("server didn't accept WebSocket");
}
// Call accept() to indicate that you'll be handling the socket here
// in JavaScript, as opposed to returning it on to a client.
ws.accept();
let text = ''
ws.addEventListener('message', msg => {
text = JSON.parse(msg.data);
});
await new Promise((resolve) => setTimeout(resolve, 5000));
return new Response(text);
},
};
export default {
async fetch() {
// URL of your WebSocket server
const url =
'wss://REDACTED';
// Custom headers
const headers = {
Upgrade: 'websocket',
Cookie:
'REDACTED',
};
let resp = await fetch(url, {
headers
});
let ws = resp.webSocket;
if (!ws) {
throw new Error("server didn't accept WebSocket");
}
// Call accept() to indicate that you'll be handling the socket here
// in JavaScript, as opposed to returning it on to a client.
ws.accept();
let text = ''
ws.addEventListener('message', msg => {
text = JSON.parse(msg.data);
});
await new Promise((resolve) => setTimeout(resolve, 5000));
return new Response(text);
},
};
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