throw NetworkError from HomeServerApi

This commit is contained in:
Bruno Windels 2019-03-08 12:26:59 +01:00
parent f3034800ae
commit 049e70e312
2 changed files with 18 additions and 7 deletions

View file

@ -9,5 +9,7 @@ export class StorageError extends Error {
}
export class RequestAbortError extends Error {
}
}
export class NetworkError extends Error {
}

View file

@ -1,6 +1,7 @@
import {
HomeServerError,
RequestAbortError
RequestAbortError,
NetworkError
} from "./error.js";
class RequestWrapper {
@ -62,10 +63,18 @@ export default class HomeServerApi {
}
}
}, err => {
switch (err.name) {
case "AbortError": throw new RequestAbortError();
default: throw err; //new Error(`Unrecognized DOMException: ${err.name}`);
}
if (err.name === "AbortError") {
throw new RequestAbortError();
} else if (err instanceof TypeError) {
// Network errors are reported as TypeErrors, see
// https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch#Checking_that_the_fetch_was_successful
// this can either mean user is offline, server is offline, or a CORS error (server misconfiguration).
//
// One could check navigator.onLine to rule out the first
// but the 2 later ones are indistinguishable from javascript.
throw new NetworkError(err.message);
}
throw err;
});
return new RequestWrapper(promise, controller);
}
@ -92,4 +101,4 @@ export default class HomeServerApi {
"password": password
});
}
}
}