feat: add micro cli for initializing the config

packages/webpack5/src/bin/index.ts

@@ -0,0 +1,38 @@
+#!/user/bin/env node
+
+import { redBright, green, greenBright } from 'chalk';
+import { program } from 'commander';
+import dedent from 'ts-dedent';
+import path from 'path';
+import fs from 'fs';
+
+const defaultConfig = path.resolve(
+	__dirname,
+	'../stubs/default.config.stub.js'
+);
+const tag = `[${green('@nativescript/webpack')}]`;
+
+function error(message: string) {
+	console.error(`${tag} ${redBright(dedent(message))}`);
+}
+
+function info(message: string) {
+	console.info(`${tag} ${greenBright(dedent(message))}`);
+}
+
+program
+	.command('init')
+	.description('Initialize a new webpack.config.js in the current directory.')
+	.action(() => {
+		const targetPath = path.resolve(process.cwd(), 'webpack.config.js');
+
+		if (fs.existsSync(targetPath)) {
+			return error(`File Already Exists: ${targetPath}`);
+		}
+
+		fs.copyFileSync(defaultConfig, targetPath);
+
+		info('Initialized config.');
+	});
+
+program.parse(process.argv);