fix(serve): handle serve args as an array (#1174)

* fix(serve): add serve as an external package

* fix(serve): handle args on an array basis

Author: knagaitsev

lib/webpack-cli.js

@@ -12,6 +12,7 @@ const defaultCommands = {
     plugin: 'generate-plugin',
     info: 'info',
     migrate: 'migrate',
+    serve: 'serve',
 };
 
 class WebpackCLI extends GroupHelper {

packages/serve/index.ts

@@ -12,8 +12,7 @@ import { core } from "../../lib/utils/cli-flags";
  * @param {String[]} args - args processed from the CLI
  * @returns {Function} invokes the devServer API
  */
-export default function serve(args): void {
-	process.argv = process.argv.filter(arg => arg !== 'serve');
+export default function serve(...args): void {
 	const cli = new WebpackCLI();
 	// partial parsing usage: https://github.com/75lb/command-line-args/wiki/Partial-parsing