feat: Add game activity status (Experimental)

electron/process-list.ts

@@ -0,0 +1,85 @@
+import { execFile } from 'child_process';
+import * as path from 'path';
+import { promisify } from 'util';
+
+const execFileAsync = promisify(execFile);
+const MAX_PROCESS_NAMES = 512;
+
+export async function listRunningProcessNames(): Promise<string[]> {
+  if (process.platform === 'win32') {
+    return normalizeProcessNames(await listWindowsProcessNames());
+  }
+
+  if (process.platform === 'linux') {
+    return normalizeProcessNames(await listLinuxProcessNames());
+  }
+
+  return [];
+}
+
+async function listLinuxProcessNames(): Promise<string[]> {
+  const { stdout } = await execFileAsync('ps', ['-eo', 'comm='], {
+    maxBuffer: 1024 * 1024,
+    timeout: 5_000
+  });
+
+  return stdout.split('\n');
+}
+
+async function listWindowsProcessNames(): Promise<string[]> {
+  const { stdout } = await execFileAsync('tasklist', [
+    '/FO',
+    'CSV',
+    '/NH'
+  ], {
+    maxBuffer: 1024 * 1024,
+    timeout: 5_000,
+    windowsHide: true
+  });
+
+  return stdout
+    .split(/\r?\n/)
+    .map((line) => parseCsvFirstColumn(line));
+}
+
+function parseCsvFirstColumn(line: string): string {
+  const trimmed = line.trim();
+
+  if (!trimmed) {
+    return '';
+  }
+
+  if (!trimmed.startsWith('"')) {
+    return trimmed.split(',')[0] ?? '';
+  }
+
+  const endQuoteIndex = trimmed.indexOf('"', 1);
+
+  return endQuoteIndex > 1 ? trimmed.slice(1, endQuoteIndex) : '';
+}
+
+function normalizeProcessNames(names: string[]): string[] {
+  const normalized = new Set<string>();
+
+  for (const rawName of names) {
+    const name = normalizeProcessName(rawName);
+
+    if (name) {
+      normalized.add(name);
+    }
+  }
+
+  return Array.from(normalized)
+    .sort()
+    .slice(0, MAX_PROCESS_NAMES);
+}
+
+function normalizeProcessName(rawName: string): string {
+  const baseName = path.basename(rawName.trim()).trim();
+
+  if (!baseName || baseName.length > 96) {
+    return '';
+  }
+
+  return baseName;
+}