[新手入门Webpack]Webpack清单插件中的Autoprefix问题

12

我试图使用Webpack Manifest插件来构建manifest.json文件,其中包含了我的资产的键和值,其中包含contenthash。但是它在值中包括前缀"auto",而且我的index.html在路径中也带有关键字"auto"。由于测试服务器无法定位真实文件,因此它无法正常工作。我该如何解决这个问题?

const path = require('path');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const OptimizeCssAssetsPlugin = require('optimize-css-assets-webpack-plugin');
const TerserJSPlugin = require('terser-webpack-plugin');
const {
  CleanWebpackPlugin
} = require('clean-webpack-plugin');
const {
  WebpackManifestPlugin
} = require('webpack-manifest-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
  //watch: true,
  mode: "production",
  devtool: "eval-cheap-module-source-map",
  entry: {
    application: "./src/index.js",
    admin: './src/admin.js'
  },
  output: {
    filename: "[name]-[contenthash].js",
    path: path.resolve(__dirname, 'build')
  },
  optimization: {
    minimizer: [
      new TerserJSPlugin({}),
      new OptimizeCssAssetsPlugin({})
    ]
  },
  module: {
    rules: [{
        test: /\m?js$/,
        exclude: '/(node_modules|bower_components)/',
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      },
      {
        test: /\.css$/i,
        use: [
          //'style-loader',
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: ''
            }
          },
          {
            loader: 'css-loader',
            options: {
              importLoaders: 1
            }
          }, {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: [
                  require('autoprefixer')({
                    overrideBrowserslist: ['last 3 versions', 'ie >9']
                  })
                ]
              }
            }
          }
        ]
      },
      {
        test: /\.scss$/i,
        use: [
          //'style-loader',
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: ''
            }
          },
          {
            loader: 'css-loader',
            options: {
              importLoaders: 1
            }
          },
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: [
                  require('autoprefixer')({
                    overrideBrowserslist: ['last 3 versions', 'ie >9']
                  })
                ]
              }
            }
          }, 'sass-loader'
        ]
      },
      {
        test: /\.(png|jpg|gif|svg)$/i,
        use: [{
            loader: 'url-loader',
            options: {
              limit: 8192,
              name: '[name].[hash:7].[ext]'
            }
          },
          {
            loader: 'image-webpack-loader'
          }
        ]
      },
      {
        test: /\.html$/,
        loader: 'html-loader'
      },
      {
        test: /\.ejs$/,
        loader: 'ejs-loader',
        options: {
          variable: 'data',
          interpolate: '\\{\\{(.+?)\\}\\}',
          evaluate: '\\[\\[(.+?)\\]\\]'
        }
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './src/template.html'
    }),
    new WebpackManifestPlugin({

    }),
    new CleanWebpackPlugin(),
    new MiniCssExtractPlugin({
      filename: "[name]-[contenthash].css"
    })
  ]
}
Manifest.json {
  "application.css": "autoapplication-4a5eb857061be614f4b2.css", "application.js": "autoapplication-b35460853f853e901d54.js", "application.jpg": "autobooks.df4be51.jpg", "admin.css": "autoadmin-4a5eb857061be614f4b2.css", "admin.js": "autoadmin-00cdbe24c96699757b97.js", "admin.jpg": "autobooks.df4be51.jpg", "books.jpg": "autobooks.df4be51.jpg"
}
<!doctype html>
<html lang="en" dir="ltr">

<head>
  <meta charset="utf-8">
  <title>My Custom template</title>
  <link href="auto/application-4a5eb857061be614f4b2.css" rel="stylesheet">
  <link href="auto/admin-4a5eb857061be614f4b2.css" rel="stylesheet">
</head>

<body>
  <p style="background:white">Test Template</p>
  <script src="auto/application-b35460853f853e901d54.js"></script>
  <script src="auto/admin-00cdbe24c96699757b97.js"></script>
</body>

</html>

2个回答

20

简而言之: 将webpack配置的publicPath更新为""应该可以解决问题。

详细信息: 这很可能是因为你已经迁移到了webpack5。有关更多详细信息,请参阅webpack5迁移文档:https://webpack.js.org/migrate/5/

Not all ecosystem tooling is ready for the new default automatic publicPath via output.publicPath: "auto"
Use a static output.publicPath: "" instead.


-2
首先,你需要:
在 / 目录下创建 postcss.config.js 文件:
module.exports = {
    plugins: [
      require('autoprefixer')({
          overrideBrowserslist:
         ['last 3 versions', 'ie >9']})
    ]
  }

在 .css 和 sass 中删除:

plugins: [
require('autoprefixer')({
overrideBrowserslist: ['last 3 versions', 'ie >9']
})

修改为:

devtool: "eval-cheap-module-source-map",

替换为:

 devtool: 'source-map',

这是一个执行前的文件 manifest.json:

{
"application.css": "autoapplication.css",
"application.js": "autoapplication.js",
"admin.css": "autoadmin.css",
  "admin.js": "autoadmin.js",
}

运行:

npm run build / or npm run prod

现在打开 manifest.json 文件:

{
  "application.css": "autoapplication.css",
  "application.js": "autoapplication.js",
  "application.css.map": "autoapplication.css.map",
  "application.js.map": "autoapplication.js.map",
  "admin.css": "autoadmin.css",
  "admin.js": "autoadmin.js",
  "admin.css.map": "autoadmin.css.map",
  "admin.js.map": "autoadmin.js.map"
}

() ==>:源映射指向我们消息日志的来源。


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