refactor: dispatch async work queue in shared memory (#200)

Author: toyobayashi

packages/core/src/emnapi/index.d.ts

@@ -39,8 +39,7 @@ export declare interface NapiModule {
   }
 
   init (options: InitOptions): any
-  initWorker (arg: number): void
-  executeAsyncWork (work: number): void
+  initWorker (arg: number, func: [number, number]): void
   postMessage?: (msg: any) => any
 
   waitThreadStart: boolean | number

packages/core/src/worker.ts

@@ -64,11 +64,7 @@ export class MessageHandler extends ThreadMessageHandler {
       try {
         if (type === 'async-worker-init') {
           this.handleAfterLoad(e, () => {
-            this.napiModule!.initWorker(payload.arg)
-          })
-        } else if (type === 'async-work-execute') {
-          this.handleAfterLoad(e, () => {
-            this.napiModule!.executeAsyncWork(payload.work)
+            this.napiModule!.initWorker(payload.arg, payload.func)
           })
         }
       } catch (err) {