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javascript - webpack 打包 vue 壓縮 js代碼時報錯
淡淡煙草味
淡淡煙草味 2017-06-12 09:32:50
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'use strict'
const webpack = require('webpack')
const paths = require('./paths')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const ManifestPlugin = require('webpack-manifest-plugin')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin')
const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')

module.exports = {
    entry: paths.appEntry,
    output: {
        pathinfo: true,
        path: paths.appBuild,
        filename: '[name].[hash].js'
    },
    bail: true,
    devtool: 'source-map',
    resolve: {
        extensions: [
            '.js', '.vue', '.scss', '.css', '.json'
        ],
        alias: {
            'src': paths.appSrc
        }
    },
    module: {
        rules: [
            {
                test: /\.vue$/,
                loader: 'vue-loader',
                options: {
                    extract: true,
                    loaders: ExtractTextPlugin.extract({
                        use: [
                            {
                                loader: 'css-loader',
                                options: {
                                    minimize: true,
                                    sourcMap: true
                                }
                            }, {
                                loader: 'sass-loader',
                                options: {
                                    indentedSyntax: true,
                                    sourcMap: true
                                }
                            }
                        ],
                        fallback: 'vue-style-loader'
                    })
                }
            }, {
                test: /\.js$/,
                loader: 'babel-loader',
                exclude: /node_modules/
            }, {
                test: /\.(png|jpg|gif|svg)$/,
                loader: 'file-loader',
                options: {
                    name: '[name].[ext]?[hash]'
                }
            }
        ]
    },
    plugins: [
        new webpack.HotModuleReplacementPlugin(),
        new CaseSensitivePathsPlugin(),
        new webpack.DefinePlugin({
            PRODUCTION: JSON.stringify(process.env.NODE_ENV === 'prod')
        }),
        new HtmlWebpackPlugin({
            inject: true,
            template: paths.appHtml,
            minify: {
                removeComments: true,
                collapseWhitespace: true,
                removeRedundantAttributes: true,
                useShortDoctype: true,
                removeEmptyAttributes: true,
                removeStyleLinkTypeAttributes: true,
                keepClosingSlash: true,
                minifyJS: true,
                minifyCSS: true,
                minifyURLs: true
            }
        }),
        new webpack.optimize.UglifyJsPlugin({
            compress: {
                warnings: false,
                comparisons: false
            },
            output: {
                comments: false
            },
            sourceMap: true
        }),
        new OptimizeCSSPlugin({
            cssProcessorOptions: {
                safe: true
            }
        }),
        new ExtractTextPlugin({filename: '[name].[contenthash:8].css'}),
        new ManifestPlugin({fileName: 'asset-manifest.json'}),
        new CopyWebpackPlugin([
            {
                from: paths.appPublic,
                to: paths.appBuild,
                ignore: ['.*']
            }
        ])
    ]
}

報錯原因 好像是 uglifyjs 插件不認(rèn)識 es6語法

另外 我的 css 沒有獨立打包成 css 文件仍和 js 揉在一起的。。。
謝謝各位大俠幫忙看看。

淡淡煙草味
淡淡煙草味

全部回復(fù)(1)
阿神

你的 babel 配置是正確的。這種情況下,一個常見的可能是,你的項目根目錄下遺漏了 .babelrc 文件,因而使得 babel 沒有對 ES6 做轉(zhuǎn)譯,導(dǎo)致 Uglify 失敗。

追加如下內(nèi)容的 .babelrc 到項目根目錄即可:

{
  "presets": [
    ["es2015", { "modules": false }]
  ]
}
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