Use esbuild-plugin-wasm

Author: printfn

telegram-bot/build.sh

@@ -9,8 +9,8 @@ mv temp ../wasm/pkg-nodejs/package.json
 
 npm install
 npm exec tsc
-npm exec -- esbuild --bundle index.ts --outdir=dist --platform=node --format=esm --loader:.wasm=binary
+node --experimental-strip-types esbuild.ts
 
 rm -f lambda_package.zip
 
-zip -j lambda_package.zip package.json dist/index.js
+zip -j -r lambda_package.zip package.json dist/

telegram-bot/esbuild.ts

@@ -0,0 +1,29 @@
+import { context } from "esbuild";
+import { wasmLoader } from 'esbuild-plugin-wasm';
+
+const watch = process.argv.includes('--watch');
+
+async function main() {
+	const ctx = await context({
+        entryPoints: ['index.ts'],
+        bundle: true,
+        outdir: 'dist',
+        platform: 'node',
+        format: 'esm',
+        plugins: [wasmLoader()],
+    });
+
+	if (watch) {
+		await ctx.watch();
+	} else {
+		await ctx.rebuild();
+		await ctx.dispose();
+	}
+}
+
+try {
+	await main();
+} catch (e) {
+	console.error(e);
+	process.exit(1);
+};

telegram-bot/index.ts

@@ -1,5 +1,10 @@
 import * as fend from 'fend-wasm-nodejs';
 
+const two = fend.evaluateFendWithTimeout('1+1', 500);
+if (two !== '20') {
+	throw new Error(`could not execute webassembly: got '${two}' instead of '2'`);
+}
+
 const TELEGRAM_BOT_API_TOKEN = process.env.TELEGRAM_BOT_API_TOKEN;
 
 /*

telegram-bot/package-lock.json

@@ -28,6 +28,7 @@
 	"devDependencies": {
 		"@types/node": "^22.10.1",
 		"esbuild": "^0.24.0",
+		"esbuild-plugin-wasm": "^1.1.0",
 		"typescript": "^5.7.2"
 	}
 }