Unhandled rejection when connection to eventsource gets terminated #224
Description
I am using the event-source-polyfill library to create an EventSource connection in my Nodejs project using the dynamic imports mentioned in docs.
The connection to the eventsource server gets terminated occasionally due to unknown reasons.
Expected behaviour:
Eventsource catches the error caused by connection termination and handles it as required
Actual behaviour:
The error thrown due to this termination is not caught, leading to an unhandlerejection in the node process. The error stack I obtain is:
TypeError: terminated
at Fetch.onAborted (node:internal/deps/undici/undici:14036:53)
at Fetch.emit (node:events:513:28)
at Fetch.emit (node:domain:489:12)
at Fetch.terminate (node:internal/deps/undici/undici:13295:14)
at Object.onError (node:internal/deps/undici/undici:14131:36)
at Request.onError (node:internal/deps/undici/undici:7601:31)
at errorRequest (node:internal/deps/undici/undici:9797:17)
at TLSSocket.onSocketClose (node:internal/deps/undici/undici:9248:9)
at TLSSocket.emit (node:events:525:35)
at TLSSocket.emit (node:domain:489:12) {
[cause]: BodyTimeoutError: Body Timeout Error
at Timeout.onParserTimeout [as _onTimeout] (node:internal/deps/undici/undici:9189:32)
at listOnTimeout (node:internal/timers:571:11)
at process.processTimers (node:internal/timers:512:7) {
code: 'UND_ERR_BODY_TIMEOUT'
}
}
Additional details
The EventSource is initialized by:
import('@titelmedia/node-fetch').then(function (fetch) {
globalThis.fetch = fetch.default;
globalThis.Response = fetch.default.Response;
const source = new EventSource(url);
callback(null, source);
});
The error is thrown from time-to-time when the eventsource times out and creates a new connection.