allow emitting .d.ts

light-client-js/esbuild.config.mjs

@@ -1,13 +1,16 @@
 import * as esbuild from 'esbuild'
 import inlineWorkerPlugin from 'esbuild-plugin-inline-worker';
 import { polyfillNode } from "esbuild-plugin-polyfill-node";
+import { dtsPlugin } from "esbuild-plugin-d.ts";
+import fs from "node:fs/promises";
+const tsconfig = JSON.parse(await fs.readFile("./tsconfig.json"));
 const profile = process.env.PROFILE;
+
 await esbuild.build({
     entryPoints: ["./src/index.ts"],
     bundle: true,
     outdir: "dist",
-    plugins: [polyfillNode(), inlineWorkerPlugin({
-    })],
+    plugins: [polyfillNode(), inlineWorkerPlugin(), dtsPlugin({ tsconfig })],
     target: [
         "esnext"
     ],

light-client-js/package.json

@@ -7,6 +7,7 @@
     "@jest/globals": "^29.7.0",
     "@types/jest": "^29.5.14",
     "esbuild": "0.24.2",
+    "esbuild-plugin-d.ts": "^1.3.1",
     "esbuild-plugin-inline-worker": "^0.1.1",
     "esbuild-plugin-polyfill-node": "^0.3.0",
     "jest": "^29.7.0",

light-client-js/src/db.worker.ts

@@ -5,12 +5,10 @@ onerror = event => {
 }
 
 onmessage = async (evt) => {
-    // const wasmModule = (await import("light-client-db-worker")).default;
-
     const data = evt.data as DbWorkerInitializeOptions;
     wasmModule.set_shared_array(data.inputBuffer, data.outputBuffer);
     self.postMessage({});
     await wasmModule.main_loop(data.logLevel);
 }
 
-export {};
+export default {} as typeof Worker & { new(): Worker };

light-client-js/src/lightclient.worker.ts

@@ -5,7 +5,6 @@ onerror = err => {
 }
 let loaded = false;
 onmessage = async (evt) => {
-    // const wasmModule = (await import("light-client-wasm")).default;
     if (!loaded) {
         const data = evt.data as LightClientWorkerInitializeOptions;
         wasmModule.set_shared_array(data.inputBuffer, data.outputBuffer);
@@ -31,4 +30,4 @@ onmessage = async (evt) => {
     }
 };
 
-export { };
+export default {} as typeof Worker & { new(): Worker };

light-client-js/src/worker.d.ts

@@ -1,6 +1,13 @@
 declare module "*.worker.ts" {
-    class WebpackWorker extends Worker {
-      constructor();
-    }
-    export default WebpackWorker;
+  class WebpackWorker extends Worker {
+    constructor();
   }
+  export default WebpackWorker;
+}
+
+declare module "*.worker" {
+  class WebpackWorker extends Worker {
+    constructor();
+  }
+  export default WebpackWorker;
+}

light-client-js/tsconfig.json

@@ -20,12 +20,15 @@
       "WebWorker",
       "ESNext"
     ],
-    "moduleResolution": "bundler"
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "emitDeclarationOnly": true
   },
   "exclude": [
     "webpack.config.js",
     "dist/**",
     "node_modules/**",
-    "jest.config.js"
+    "jest.config.js",
+    "esbuild.config.*"
   ]
 }