fix: 修复 es6 语法错误

config/packing.js:8
export default (packing) => {
^^^^^^

src/bin/packing-build.js

@@ -1,13 +1,16 @@
 #!/usr/bin/env node
 
 import { resolve } from 'path';
-import { red, yellow } from 'chalk';
+import { red } from 'chalk';
 import open from 'open';
 import webpack from 'webpack';
 import program from 'commander';
+import validateSchema from '../lib/validate-schema';
 import '../bootstrap';
 import { pRequire, getContext } from '..';
 
+validateSchema();
+
 program
   .option('-o, --open', 'open webpack visualizer report')
   .parse(process.argv);

src/bin/packing-dll.js

@@ -6,10 +6,13 @@ import program from 'commander';
 import webpack from 'webpack';
 import mkdirp from 'mkdirp';
 import loaderUtils from 'loader-utils';
+import validateSchema from '../lib/validate-schema';
 import '../bootstrap';
 import { pRequire, getContext } from '..';
 import packingPackage from '../../package.json';
 
+validateSchema();
+
 program
   .option('-c, --clean', 'clean dll cache')
   .parse(process.argv);

src/bin/packing-serve.js

@@ -10,9 +10,12 @@ import webpackDevMiddleware from 'webpack-dev-middleware';
 import webpackHotMiddleware from 'webpack-hot-middleware';
 import { Spinner } from 'cli-spinner';
 import { middleware as packingTemplate } from '..';
+import validateSchema from '../lib/validate-schema';
 import '../bootstrap';
 import { pRequire, getContext } from '..';
 
+validateSchema();
+
 program
   .option('-c, --clean', 'clean dll cache')
   .option('-d, --no-dll', 'skip dll build')

src/bin/packing.js

@@ -1,15 +1,12 @@
 #!/usr/bin/env node
 
 import program from 'commander';
-import validateSchema from '../lib/validate-schema';
 import pkg from '../../package.json';
 
 console.log('Versions:');
 console.log(` user-agent: ${process.env.npm_config_user_agent}`);
 console.log(` packing: ${pkg.version}`);
 
-validateSchema();
-
 program
   .command('serve', 'start dev web server')
   .command('serve-dist', 'review build output')