Reduce plugin runtime memory

packages/plugin-runtime/src/PluginHandle.ts

@@ -1,56 +1,28 @@
 import type { BootRequest, InternalEvent } from '@yaakapp/api';
-import path from 'node:path';
-import { Worker } from 'node:worker_threads';
 import type { EventChannel } from './EventChannel';
-import type { PluginWorkerData } from './index.worker';
+import { PluginInstance, PluginWorkerData } from './PluginInstance';
 
 export class PluginHandle {
-  #worker: Worker;
+  #instance: PluginInstance;
 
   constructor(
     readonly pluginRefId: string,
     readonly bootRequest: BootRequest,
-    readonly events: EventChannel,
+    readonly pluginToAppEvents: EventChannel,
   ) {
-    this.#worker = this.#createWorker();
-  }
-
-  sendToWorker(event: InternalEvent) {
-    this.#worker.postMessage(event);
-  }
-
-  async terminate() {
-    await this.#worker.terminate();
-  }
-
-  #createWorker(): Worker {
-    const workerPath = process.env.YAAK_WORKER_PATH ?? path.join(__dirname, 'index.worker.cjs');
     const workerData: PluginWorkerData = {
       pluginRefId: this.pluginRefId,
       bootRequest: this.bootRequest,
     };
-    const worker = new Worker(workerPath, {
-      workerData,
-    });
-
-    worker.on('message', (e) => this.events.emit(e));
-    worker.on('error', this.#handleError.bind(this));
-    worker.on('exit', this.#handleExit.bind(this));
-
+    this.#instance = new PluginInstance(workerData, pluginToAppEvents);
     console.log('Created plugin worker for ', this.bootRequest.dir);
-
-    return worker;
   }
 
-  async #handleError(err: Error) {
-    console.error('Plugin errored', this.bootRequest.dir, err);
+  sendToWorker(event: InternalEvent) {
+    this.#instance.postMessage(event);
   }
 
-  async #handleExit(code: number) {
-    if (code === 0) {
-      console.log('Plugin exited successfully', this.bootRequest.dir);
-    } else {
-      console.log('Plugin exited with status', code, this.bootRequest.dir);
-    }
+  terminate() {
+    this.#instance.terminate();
   }
 }