added electron

electron/live-runner.js

@@ -0,0 +1,75 @@
+/* eslint-disable no-undef */
+/* eslint-disable @typescript-eslint/no-var-requires */
+const cp = require('child_process');
+const chokidar = require('chokidar');
+const electron = require('electron');
+
+let child = null;
+const npmCmd = process.platform === 'win32' ? 'npm.cmd' : 'npm';
+const reloadWatcher = {
+  debouncer: null,
+  ready: false,
+  watcher: null,
+  restarting: false,
+};
+
+///*
+function runBuild() {
+  return new Promise((resolve, _reject) => {
+    let tempChild = cp.spawn(npmCmd, ['run', 'build']);
+    tempChild.once('exit', () => {
+      resolve();
+    });
+    tempChild.stdout.pipe(process.stdout);
+  });
+}
+//*/
+
+async function spawnElectron() {
+  if (child !== null) {
+    child.stdin.pause();
+    child.kill();
+    child = null;
+    await runBuild();
+  }
+  child = cp.spawn(electron, ['--inspect=5858', './']);
+  child.on('exit', () => {
+    if (!reloadWatcher.restarting) {
+      process.exit(0);
+    }
+  });
+  child.stdout.pipe(process.stdout);
+}
+
+function setupReloadWatcher() {
+  reloadWatcher.watcher = chokidar
+    .watch('./src/**/*', {
+      ignored: /[/\\]\./,
+      persistent: true,
+    })
+    .on('ready', () => {
+      reloadWatcher.ready = true;
+    })
+    .on('all', (_event, _path) => {
+      if (reloadWatcher.ready) {
+        clearTimeout(reloadWatcher.debouncer);
+        reloadWatcher.debouncer = setTimeout(async () => {
+          console.log('Restarting');
+          reloadWatcher.restarting = true;
+          await spawnElectron();
+          reloadWatcher.restarting = false;
+          reloadWatcher.ready = false;
+          clearTimeout(reloadWatcher.debouncer);
+          reloadWatcher.debouncer = null;
+          reloadWatcher.watcher = null;
+          setupReloadWatcher();
+        }, 500);
+      }
+    });
+}
+
+(async () => {
+  await runBuild();
+  await spawnElectron();
+  setupReloadWatcher();
+})();