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Add --debug flag for verbose server logging #23

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Add --debug flag for verbose server logging #23

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2 changes: 2 additions & 0 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,9 @@
"scripts": {
"dev": "vite",
"server": "bun run server/index.ts",
"server:debug": "bun run server/index.ts --debug",
"start": "concurrently \"bun run server\" \"bun run dev\"",
"start:debug": "concurrently \"bun run server:debug\" \"bun run dev\"",
"build": "tsc -b && vite build",
"lint": "eslint .",
"preview": "vite preview"
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20 changes: 20 additions & 0 deletions server/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,20 @@ import { promisify } from "util";

const execAsync = promisify(exec);

// Parse command-line flags
const args = process.argv.slice(2);
const DEBUG = args.includes("--debug");

function debug(...messages: unknown[]) {
if (DEBUG) {
console.log(`[DEBUG ${new Date().toISOString()}]`, ...messages);
}
}

if (DEBUG) {
console.log("🐛 Debug mode enabled");
}

interface ProcessInfo {
pid: number;
user: string;
Expand Down Expand Up @@ -48,6 +62,7 @@ interface SystemMetrics {
let prevCpuTimes: { user: number; nice: number; sys: number; idle: number; irq: number }[] = [];

function getCpuUsage(): CpuUsage[] {
debug("Collecting CPU usage");
const cpuInfo = cpus();
const usage: CpuUsage[] = [];

Expand Down Expand Up @@ -92,6 +107,7 @@ function getCpuUsage(): CpuUsage[] {
}

async function getProcesses(): Promise<ProcessInfo[]> {
debug("Fetching process list");
const os = platform();
let command: string;

Expand Down Expand Up @@ -128,6 +144,7 @@ async function getProcesses(): Promise<ProcessInfo[]> {
}
}

debug(`Found ${processes.length} processes`);
return processes;
} catch (error) {
console.error("Error getting processes:", error);
Expand Down Expand Up @@ -229,6 +246,7 @@ async function getMemoryInfo(): Promise<{ total: number; free: number; used: num
}

async function getSystemMetrics(): Promise<SystemMetrics> {
debug("Collecting system metrics");
const cpuInfo = cpus();
const memInfo = await getMemoryInfo();
const processes = await getProcesses();
Expand Down Expand Up @@ -264,6 +282,8 @@ const server = Bun.serve({
"Access-Control-Allow-Headers": "Content-Type",
};

debug(`${req.method} ${url.pathname}`);

if (req.method === "OPTIONS") {
return new Response(null, { headers: corsHeaders });
}
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