Move main fn back to common module

src/common/mod.ts

@@ -1,5 +1,39 @@
+import { importForRuntime } from "./runtime";
+import { ctrl_key, is_control } from "./strings";
+
 export * from './runtime.ts';
 export * from './strings.ts';
 export * from './termios.ts';
 export type { ITestBase } from './test_base.ts';
 
+const decoder = new TextDecoder();
+
+export function readKey(chunk): string {
+	const char = String(decoder.decode(chunk))
+
+	return char;
+}
+
+export async function main() {
+	const { inputLoop, init } = await importForRuntime('mod.ts');
+
+	// Set up handlers to enable/disable raw mode for each runtime
+	await init();
+
+	// The main event loop
+	for await (const chunk of inputLoop()) {
+		const char = readKey(chunk);
+
+		if (char === ctrl_key('q')) {
+			return 0;
+		}
+
+		if (is_control(char)) {
+			console.log(char.codePointAt(0) + '\r');
+		} else {
+			console.log(`${char} ('${char.codePointAt(0)}')\r`);
+		}
+	}
+
+	return -1;
+}

src/common/termios.ts

@@ -39,7 +39,7 @@ export const getTermios = async () => {
 		await importForRuntime('ffi');
 
 	/**
-	 * Implementation to toggle raw mode with Bun runtime
+	 * Implementation to toggle raw mode
 	 */
 	class Termios implements ITermios {
 		/**

src/scroll.ts

@@ -1,32 +1,7 @@
 /**
  * The starting point for running scroll
  */
-import { ctrl_key, importForRuntime, is_control } from './common/mod.ts';
+import { main } from './common/mod.ts';
-
-async function main() {
-	const { inputLoop, init } = await importForRuntime('mod.ts');
-
-	// Set up handlers to enable/disable raw mode for each runtime
-	await init();
-
-	// The main event loop
-	for await (const chunk of inputLoop()) {
-		const decoder = new TextDecoder();
-		const char = String(decoder.decode(chunk));
-
-		if (char === ctrl_key('q')) {
-			return 0;
-		}
-
-		if (is_control(char)) {
-			console.log(char.codePointAt(0) + '\r');
-		} else {
-			console.log(`${char} ('${char.codePointAt(0)}')\r`);
-		}
-	}
-
-	return -1;
-}
 
 /**
  * Start the event loop