Reload plugins on change

plugin-runtime/src/PluginHandle.ts

@@ -4,30 +4,35 @@ import { Worker } from 'node:worker_threads';
 import { EventChannel } from './EventChannel';
 
 export class PluginHandle {
-  readonly #worker: Worker;
+  #worker: Worker;
 
   constructor(
     readonly pluginDir: string,
     readonly pluginRefId: string,
     readonly events: EventChannel,
   ) {
-    const workerPath = process.env.YAAK_WORKER_PATH ?? path.join(__dirname, 'index.worker.cjs');
-    this.#worker = new Worker(workerPath, {
-      workerData: {
-        pluginDir,
-        pluginRefId,
-      },
-    });
-
-    this.#worker.on('message', (e) => this.events.emit(e));
-    this.#worker.on('error', this.#handleError.bind(this));
-    this.#worker.on('exit', this.#handleExit.bind(this));
+    this.#worker = this.#createWorker();
   }
 
   sendToWorker(event: InternalEvent) {
     this.#worker.postMessage(event);
   }
 
+  #createWorker(): Worker {
+    const workerPath = process.env.YAAK_WORKER_PATH ?? path.join(__dirname, 'index.worker.cjs');
+    const worker = new Worker(workerPath, {
+      workerData: { pluginDir: this.pluginDir, pluginRefId: this.pluginRefId },
+    });
+
+    worker.on('message', (e) => this.events.emit(e));
+    worker.on('error', this.#handleError.bind(this));
+    worker.on('exit', this.#handleExit.bind(this));
+
+    console.log('Created plugin worker for ', this.pluginDir);
+
+    return worker;
+  }
+
   async #handleError(err: Error) {
     console.error('Plugin errored', this.pluginDir, err);
   }
@@ -36,7 +41,7 @@ export class PluginHandle {
     if (code === 0) {
       console.log('Plugin exited successfully', this.pluginDir);
     } else {
-      console.log('Plugin exited with error', code, this.pluginDir);
+      console.log('Plugin exited with status', code, this.pluginDir);
     }
   }
 }