noop func

Author: AmirSa12

examples/demo.t.ts

@@ -1,4 +1,4 @@
-import t from '../src/t';
+import t, { noopHandler } from '../src/t';
 
 // Global options
 t.option(
@@ -62,7 +62,7 @@ devCmd.option(
   'p'
 );
 
-devCmd.option('verbose', 'Enable verbose logging', undefined, 'v', true);
+devCmd.option('verbose', 'Enable verbose logging', noopHandler, 'v', true);
 
 // Serve command
 const serveCmd = t.command('serve', 'Start the server');

src/t.ts

@@ -20,6 +20,8 @@ export type OptionHandler = (
   options: OptionsMap
 ) => void;
 
+export const noopHandler: OptionHandler = function () {};
+
 // Completion result types
 export type Completion = {
   description?: string;
@@ -63,7 +65,7 @@ export class Option {
     command: Command,
     value: string,
     description: string,
-    handler?: OptionHandler,
+    handler: OptionHandler = noopHandler,
     alias?: string,
     isBoolean?: boolean
   ) {
@@ -91,7 +93,7 @@ export class Command {
   option(
     value: string,
     description: string,
-    handler?: OptionHandler,
+    handler: OptionHandler = noopHandler,
     alias?: string,
     isBoolean?: boolean
   ) {