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TypeScript

// file: crates/apps/game-reflex-poc-tauri/frontend/ts/logging.ts
// version: 2
import { attachConsole } from "@fltsci/tauri-plugin-tracing";
import { invoke } from "@tauri-apps/api/core";
export type FrontendLogLevel = "trace" | "debug" | "info" | "warn" | "error";
export type FrontendLogTarget = "frontend" | "main";
type ConsoleMethod = (...items: unknown[]) => void;
const originalConsole = {
trace: console.trace.bind(console),
debug: console.debug.bind(console),
info: console.info.bind(console),
warn: console.warn.bind(console),
error: console.error.bind(console),
};
function stringifyItem(item: unknown): string {
if (item instanceof Error) {
return item.stack ?? item.message;
}
if (typeof item === "string") {
return item;
}
try {
const serialized = JSON.stringify(item);
return serialized ?? String(item);
} catch {
return String(item);
}
}
function formatMessage(items: unknown[]): string {
return items.map(item => stringifyItem(item)).join(" ");
}
async function sendFrontendLog(level: FrontendLogLevel, targetId: FrontendLogTarget, message: string): Promise<void> {
await invoke("emit_frontend_log", {
payload: {
level,
targetId,
message,
},
});
}
function originalConsoleFor(level: FrontendLogLevel): ConsoleMethod {
return level === "trace"
? originalConsole.trace
: level === "debug"
? originalConsole.debug
: level === "info"
? originalConsole.info
: level === "warn"
? originalConsole.warn
: originalConsole.error;
}
export async function initializeTracing(): Promise<void> {
await attachConsole();
await emitFrontendLog("info", "main", "Reflex Tauri frontend tracing initialized");
}
export async function emitFrontendLog(level: FrontendLogLevel, targetId: FrontendLogTarget, ...items: unknown[]): Promise<void> {
const message = formatMessage(items);
originalConsoleFor(level)(message);
await sendFrontendLog(level, targetId, message);
}
function emitDetached(level: FrontendLogLevel, targetId: FrontendLogTarget, items: unknown[]): void {
const message = formatMessage(items);
originalConsoleFor(level)(message);
void sendFrontendLog(level, targetId, message).catch(caughtError => {
originalConsole.error("Reflex frontend logging bridge failed", caughtError);
});
}
export function tracingTrace(...items: unknown[]): void {
emitDetached("trace", "frontend", items);
}
export function tracingDebug(...items: unknown[]): void {
emitDetached("debug", "frontend", items);
}
export function tracingInfo(...items: unknown[]): void {
emitDetached("info", "frontend", items);
}
export function tracingWarn(...items: unknown[]): void {
emitDetached("warn", "frontend", items);
}
export function tracingError(...items: unknown[]): void {
emitDetached("error", "frontend", items);
}