demo

bin/deps.ts

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+export const test = Deno.test;
+export { parse } from 'https://deno.land/std/flags/mod.ts';
+export { blue, bold, green, red, yellow } from 'https://deno.land/std/fmt/colors.ts';
+export { assert, assertEquals, assertThrows, assertThrowsAsync } from 'https://deno.land/std/testing/asserts.ts';

bin/index.ts

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+import Denomander from 'https://deno.land/x/denomander/mod.ts';
+import { blue, green, red } from './deps.ts';
+
+const program = new Denomander({
+	app_name: 'My MY App',
+	app_description: 'My MY Description',
+	app_version: '1.0.1',
+	errors: {
+		INVALID_RULE: 'Invalid Rule',
+		OPTION_NOT_FOUND: 'Option not found!',
+		COMMAND_NOT_FOUND: 'Command not found!',
+		REQUIRED_OPTION_NOT_FOUND: 'Required option is not specified!',
+		REQUIRED_VALUE_NOT_FOUND: 'Required command value is not specified!',
+		TOO_MANY_PARAMS: 'You have passed too many parameters',
+	},
+});
+
+program.baseOption('-q --quiet', 'Do not output any message').globalOption('-c --color', 'Define the output color');
+
+program
+	.command('serve', 'Start the server')
+	.alias('superserve', 'master-server')
+	.requiredOption('-p --port', 'Define the port')
+	.action(() => {
+		colored_output('http://localhost:' + program.port);
+	});
+
+program
+	.command('clone [foldername]')
+	.action(({ foldername }: any) => {
+		colored_output('The repo is cloned into: ' + foldername);
+	})
+	.description('clone a repo');
+
+program
+	.command('mv [from] [to] [message?]')
+	.action(({ from, to, message }: any) => {
+		colored_output(`File is moved from ${from} to ${to}`);
+		if (message) {
+			console.log(message);
+		}
+	})
+	.description('move file');
+
+program.on('quiet', () => {
+	console.log('Enable Quiet Mode...');
+});
+
+try {
+	program.parse(Deno.args);
+} catch (error) {
+	console.log(error);
+}
+
+function colored_output(text: string) {
+	if (program.color) {
+		switch (program.color) {
+			case 'red':
+				console.log(red(text));
+				break;
+
+			case 'green':
+				console.log(green(text));
+				break;
+
+			case 'blue':
+				console.log(blue(text));
+				break;
+
+			default:
+				console.log(text);
+				break;
+		}
+	} else {
+		console.log(text);
+	}
+}