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l0ng-ai
c5749b0c17
The native Settings window showed only its title bar until its startup chain finished; a page that failed to register ended the chain silently. The steps are now guarded and openSettings runs in finally. Uncaught errors and unhandled rejections of every window (and caught errors via logError) are written to the log file through log_frontend, deduplicated and capped per window.
55 lines
2.1 KiB
TypeScript
55 lines
2.1 KiB
TypeScript
/**
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* Uncaught errors and unhandled promise rejections of this window go to the log file
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* (target `frontend`), so the log attached to a report shows what failed in the UI.
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*/
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import { getCurrentWebviewWindow } from "@tauri-apps/api/webviewWindow";
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import { commands, isTauri } from "./ipc";
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/** Per window session: a loop of the same failure must not flood the log. */
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const MAX_REPORTS = 50;
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export function describeError(reason: unknown): string {
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if (reason instanceof Error)
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return reason.stack?.includes(reason.message) ? reason.stack : `${reason}\n${reason.stack ?? ""}`;
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if (typeof reason === "string") return reason;
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try {
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return JSON.stringify(reason) ?? String(reason);
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} catch {
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return String(reason);
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}
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}
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/** A caught error worth keeping: shown in the console and written to the log file. */
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export function logError(context: string, reason: unknown): void {
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console.error(context, reason);
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if (isTauri()) void commands.logFrontend("error", `${context}: ${describeError(reason).trim()}`).catch(() => {});
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}
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/** Installs the handlers; returns their disposer. Outside the desktop app it does nothing. */
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export function installErrorLogging(): () => void {
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if (!isTauri()) return () => {};
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let label = "?";
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try {
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label = getCurrentWebviewWindow().label;
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} catch {
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/* no window: keep "?" */
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}
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let sent = 0;
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let last = "";
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const report = (kind: string, reason: unknown) => {
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const message = `[${label}] ${kind}: ${describeError(reason).trim()}`;
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if (message === last || sent >= MAX_REPORTS) return;
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last = message;
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sent++;
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void commands.logFrontend("error", message).catch(() => {});
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};
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const onError = (e: ErrorEvent) => report("uncaught error", e.error ?? e.message);
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const onRejection = (e: PromiseRejectionEvent) => report("unhandled rejection", e.reason);
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window.addEventListener("error", onError);
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window.addEventListener("unhandledrejection", onRejection);
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return () => {
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window.removeEventListener("error", onError);
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window.removeEventListener("unhandledrejection", onRejection);
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};
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}
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