问题描述

webpack 打包发版后点击左侧导航Network里面js文件加载报错404

问题出现的环境背景及自己尝试过哪些方法

相关代码

// 请把代码文本粘贴到下方（请勿用图片代替代码）
'use strict'
const path = require('path')
const utils = require('./utils')
const webpack = require('webpack')
const config = require('../config')
const merge = require('webpack-merge')
const baseWebpackConfig = require('./webpack.base.conf')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
const UglifyJsPlugin = require('uglifyjs-webpack-plugin')

const env = require('../config/build.env')

const webpackConfig = merge(baseWebpackConfig, {
module: {

rules: utils.styleLoaders({
  sourceMap: config.build.productionSourceMap,
  extract: true,
  usePostCSS: true
})

},
devtool: config.build.productionSourceMap ? config.build.devtool : false,
output: {

path: config.build.assetsRoot,
filename: utils.assetsPath('js/[name].[chunkhash].js'),
chunkFilename: utils.assetsPath('js/[id].[chunkhash].js')

},
plugins: [

// http://vuejs.github.io/vue-loader/en/workflow/production.html
new webpack.DefinePlugin({
  'process.env': env
}),
new UglifyJsPlugin({
  uglifyOptions: {
    compress: {
      warnings: false
    }
  },
  sourceMap: config.build.productionSourceMap,
  parallel: true
}),
// extract css into its own file
new ExtractTextPlugin({
  filename: utils.assetsPath('css/[name].[contenthash].css'),
  // Setting the following option to `false` will not extract CSS from codesplit chunks.
  // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
  // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`,
  // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
  allChunks: true,
}),
// Compress extracted CSS. We are using this plugin so that possible
// duplicated CSS from different components can be deduped.
new OptimizeCSSPlugin({
  cssProcessorOptions: config.build.productionSourceMap
    ? { safe: true, map: { inline: false } }
    : { safe: true }
}),
// generate dist index.html with correct asset hash for caching.
// you can customize output by editing /index.html
// see https://github.com/ampedandwired/html-webpack-plugin
new HtmlWebpackPlugin({
  filename: config.build.index,
  template: 'index.html',
  inject: true,
  minify: {
    removeComments: true,
    collapseWhitespace: true,
    removeAttributeQuotes: true
    // more options:
    // https://github.com/kangax/html-minifier#options-quick-reference
  },
  // necessary to consistently work with multiple chunks via CommonsChunkPlugin
  chunksSortMode: 'dependency'
}),
// keep module.id stable when vendor modules does not change
new webpack.HashedModuleIdsPlugin(),
// enable scope hoisting
new webpack.optimize.ModuleConcatenationPlugin(),
// split vendor js into its own file
new webpack.optimize.CommonsChunkPlugin({
  name: 'vendor',
  minChunks (module) {
    // any required modules inside node_modules are extracted to vendor
    return (
      module.resource &&
      /\.js$/.test(module.resource) &&
      module.resource.indexOf(
        path.join(__dirname, '../node_modules')
      ) === 0
    )
  }
}),
// extract webpack runtime and module manifest to its own file in order to
// prevent vendor hash from being updated whenever app bundle is updated
new webpack.optimize.CommonsChunkPlugin({
  name: 'manifest',
  minChunks: Infinity
}),
// This instance extracts shared chunks from code splitted chunks and bundles them
// in a separate chunk, similar to the vendor chunk
// see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
new webpack.optimize.CommonsChunkPlugin({
  name: 'app',
  async: 'vendor-async',
  children: true,
  minChunks: 3
}),

// copy custom static assets
new CopyWebpackPlugin([
  {
    from: path.resolve(__dirname, '../static'),
    to: config.build.assetsSubDirectory,
    ignore: ['.*']
  }
])

]
})

if (config.build.productionGzip) {
const CompressionWebpackPlugin = require('compression-webpack-plugin')

webpackConfig.plugins.push(

new CompressionWebpackPlugin({
  asset: '[path].gz[query]',
  algorithm: 'gzip',
  test: new RegExp(
    '\\.(' +
    config.build.productionGzipExtensions.join('|') +
    ')$'
  ),
  threshold: 10240,
  minRatio: 0.8
})

)
}

if (config.build.bundleAnalyzerReport) {
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
webpackConfig.plugins.push(new BundleAnalyzerPlugin())
}

module.exports = webpackConfig

你期待的结果是什么？实际看到的错误信息又是什么？