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我在运行npm run build后出现了如下错误：
> jtools@1.0.0 build /Users/jathon/node_modules/jtools
> cross-env NODE_ENV=production webpack --progress --hide-modules
Hash: 1d3084405e66a0c07dd9
Version: webpack 2.5.1
Time: 1347ms
Asset Size Chunks Chunk Names
app.js 323 kB 0 [emitted] [big] main
app.js.map 405 kB 0 [emitted] main
ERROR in app.js from UglifyJs
Unexpected token punc «}», expected punc «:» [app.js:12423,0]
npm ERR! Darwin 16.5.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "build"
npm ERR! node v6.10.1
npm ERR! npm v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! jtools@1.0.0 build: `cross-env NODE_ENV=production webpack --progress --hide-modules`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the jtools@1.0.0 build script 'cross-env NODE_ENV=production webpack --progress --hide-modules'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the jtools package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! cross-env NODE_ENV=production webpack --progress --hide-modules
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs jtools
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls jtools
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! /Users/jathon/node_modules/jtools/npm-debug.log弄了一天都没解决，我查看了生成的app.js，发现babel-loader没有将ES6语法转换成ES5，不知道会不会是这个问题导致，请各位大神帮我指点一下，下面是我相关配置文件的信息。
package.json
{
"name": "jtools",
"description": "A Vue.js project",
"version": "1.0.0",
"author": "jathon",
"private": true,
"scripts": {
"dev": "cross-env NODE_ENV=development webpack-dev-server --open --hot",
"build": "cross-env NODE_ENV=production webpack --progress --hide-modules"
},
"dependencies": {
"babel-core": "^6.24.1",
"babel-loader": "^7.0.0",
"babel-preset-es2015": "^6.24.1",
"babel-preset-es2015-loose": "^8.0.0",
"babel-preset-latest": "^6.24.1",
"babel-runtime": "^6.23.0",
"cross-env": "^5.0.0",
"css-loader": "^0.28.1",
"extract-text-webpack-plugin": "^2.1.0",
"uglify-js": "^2.8.24",
"vue": "^2.2.1",
"vue-loader": "^12.0.4",
"vue-route": "^1.5.1"
},
"devDependencies": {
"file-loader": "^0.9.0",
"less": "^2.7.2",
"less-loader": "^4.0.3",
"node-sass": "^4.5.0",
"sass-loader": "^5.0.1",
"style-loader": "^0.17.0",
"vue-template-compiler": "^2.3.3",
"webpack": "^2.2.0",
"webpack-dev-server": "^2.2.0"
}
}webpack.config.js
var path = require('path')
var webpack = require('webpack')
var ExtractTextPlugin = require('extract-text-webpack-plugin');
module.exports = {
entry: './src/main.js',
output: {
path: path.resolve(__dirname, './dist'),
publicPath: '/dist/',
filename: 'app.js'
},
module: {
rules: [
{
test: /\.vue$/,
loader: 'vue-loader',
options: {
loaders: {
// Since sass-loader (weirdly) has SCSS as its default parse mode, we map
// the "scss" and "sass" values for the lang attribute to the right configs here.
// other preprocessors should work out of the box, no loader config like this necessary.
'scss': 'vue-style-loader!css-loader!sass-loader',
'sass': 'vue-style-loader!css-loader!sass-loader?indentedSyntax'
}
// other vue-loader options go here
}
},
{
test: /\.js$/,
loader: 'babel-loader',
exclude: /node_modules/,
query: { presets: ['es2015']}
},
{
test: /\.(png|jpg|gif|svg)$/,
loader: 'file-loader',
options: {
name: '[name].[ext]?[hash]'
}
},
{
test: /\.less$/,
loader: 'style-loader!css-loader!less-loader'
},
{
test: /\.css$/,
loader: 'style-loader!css-loader'
}
]
},
resolve: {
alias: {
'vue$': 'vue/dist/vue.esm.js'
}
},
devServer: {
historyApiFallback: true,
noInfo: true
},
performance: {
hints: false
},
plugins: [
new ExtractTextPlugin({
filename: 'build.min.css',
allChunks: true,
})
],
devtool: '#eval-source-map'
}
if (process.env.NODE_ENV === 'production') {
module.exports.devtool = '#source-map'
// http://vue-loader.vuejs.org/en/workflow/production.html
module.exports.plugins = (module.exports.plugins || []).concat([
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: '"production"'
}
}),
new webpack.optimize.UglifyJsPlugin({
sourceMap: false,
comments: false,
mangle:false,
compress: {
warnings: false,
drop_console: true
},
}),
new webpack.LoaderOptionsPlugin({
minimize: true
})
])
}
main.js
import Vue from 'vue'
import VueRouter from 'vue-router'
//require('./styles/app.css')
Vue.use(VueRouter)
import App from './components/main.vue'
const Foo = { template: '<div>foo</div>' }
const Bar = { template: '<div>bar</div>' }
// 2. 定义路由
// 每个路由应该映射一个组件。 其中"component" 可以是
// 通过 Vue.extend() 创建的组件构造器，
// 或者，只是一个组件配置对象。
// 我们晚点再讨论嵌套路由。
const routes = [
{ path: '/foo', component: Foo },
{ path: '/bar', component: Bar }
]
// 3. 创建 router 实例，然后传 `routes` 配置
// 你还可以传别的配置参数, 不过先这么简单着吧。
const router = new VueRouter({
routes // （缩写）相当于 routes: routes
})
// 4. 创建和挂载根实例。
// 记得要通过 router 配置参数注入路由，
// 从而让整个应用都有路由功能
new Vue(Vue.util.extend({ router }, App)).$mount('#app')
试了几天，终于找到原因了，原来上级目录是node_modules会导致文件打包失败，移动到其他目录就可以了。。。呵呵。。。