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ui: simplify network error handling (#23431)

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Previously error to string conversion was split in two different files,
with one converting errors into strings, and another function analyzing
those strings to generate yet another string.

Now the the error handling for network fetches has been centralised and
uses directly HTTP error codes whereas possible to generate the
human-readable error strings.

It also fixes an issue where all JSON errors reported from the backend,
such as "Invalid API key", would get turned incorrectly in to
"Failed to connect to server" due to poor matching logic in the
now-gone getErrorMessage function.
This commit is contained in:
Marcos Del Sol Vives
2026-06-02 10:45:25 +02:00
committed by GitHub
parent f8e67fc583
commit 69cea5b669
3 changed files with 77 additions and 37 deletions
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tools/ui/src/lib/stores/server.svelte.ts
+2 -28
View File
@@ -82,8 +82,8 @@ class ServerStore {
this.props = props;
this.error = null;
this.detectRole(props);
} catch (error) {
this.error = this.getErrorMessage(error);
} catch (error: unknown) {
this.error = error instanceof Error ? error.message : String(error);
console.error('Error fetching server properties:', error);
} finally {
this.loading = false;
@@ -95,32 +95,6 @@ class ServerStore {
await fetchPromise;
}
private getErrorMessage(error: unknown): string {
if (error instanceof Error) {
const message = error.message || '';
if (error.name === 'TypeError' && message.includes('fetch')) {
return 'Server is not running or unreachable';
} else if (message.includes('ECONNREFUSED')) {
return 'Connection refused - server may be offline';
} else if (message.includes('ENOTFOUND')) {
return 'Server not found - check server address';
} else if (message.includes('ETIMEDOUT')) {
return 'Request timed out';
} else if (message.includes('503')) {
return 'Server temporarily unavailable';
} else if (message.includes('500')) {
return 'Server error - check server logs';
} else if (message.includes('404')) {
return 'Server endpoint not found';
} else if (message.includes('403') || message.includes('401')) {
return 'Access denied';
}
}
return 'Failed to connect to server';
}
clear(): void {
this.props = null;
this.error = null;