Set up basic functionality for bun

justfile

@@ -9,6 +9,10 @@ deno-lint:
 # Code linting with bun
 bun-lint:
 
+# Run with bun
+bun-run:
+	bun run ./src/scroll.ts
+
 # Run with deno
 deno-run:
 	deno run --allow-all --allow-ffi --deny-net --deny-hrtime --unstable ./src/scroll.ts

src/bun/index.ts

@@ -0,0 +1,15 @@
+/**
+ * The main entrypoint when using Deno as the runtime
+ */
+export async function main(): Promise<number> {
+	const decoder = new TextDecoder();
+	for await (const chunk of Bun.stdin.stream()) {
+		const char = String(decoder.decode(chunk)).trim();
+
+		if (char === 'q') {
+			return 0;
+		}
+	}
+
+	return -1;
+}

src/scroll.ts

@@ -15,10 +15,11 @@ export enum RunTime {
 	let RUNTIME = RunTime.Unknown;
 	if ('Deno' in globalThis) {
 		RUNTIME = RunTime.Deno;
-		const { main } = await import('./deno/index.ts');
-		await main();
 	}
 	if ('Bun' in globalThis) {
 		RUNTIME = RunTime.Bun;
 	}
+
+	const { main } = await import(`./${RUNTIME}/index.ts`);
+	await main();
 })();