使用提取文本webpack插件时出现意外字符

unexpected character when using extract-text-webpack-plugin

本文关键字：意外 字符 插件 提取 取文本 webpack      更新时间：2023-09-26

由于某些原因，当尝试使用提取文本webpack插件构建时，此配置失败。几天来，我一直在尝试使用extract-text-webpack插件，在尝试输出css时遇到了很多问题。在遵循了许多指南并查看了许多SO问题后，我觉得我已经正确配置了它，但也许我遗漏了一些东西。。

webpack.config.js

var entry_object = {};
entry_object[build_js_dir + "file.js"] = static_js + 'file.js';
  entry: entry_object,
  output: {
    path: './',
    filename: '[name]',
    chunkFileName: "[id].chunk.js"
  },
  module: {
    loaders: [{
      test: /'.js$/,
      include: path.resolve(__dirname),
      exclude: /node_modules/,
      loader: 'babel-loader',
      query: {
        presets: ['react', 'es2015']
      }
    },
    {
      test: /'.scss$/,
      loader: ExtractTextPlugin.extract("css-loader!sass-loader")
    }
]}
  plugins: [
    new ExtractTextPlugin("[name].css"),
    ]
}

错误详细信息：

~/src/$ webpack --show-error-details
Hash: ab317ccc65911901bea4
Version: webpack 1.13.0
Time: 1032ms
                       Asset     Size  Chunks             Chunk Names
./static/build/js/file.js  51.7 kB       0  [emitted]  ./static/build/js/file.js
   [1] ./static/scss/style.scss 0 bytes [built] [failed]
+ 1 hidden modules
ERROR in ./static/scss/style.scss
Module parse failed: /home/zdelagrange/src/portal/cust-portal/bitsight/static/scss/style.scss Unexpected character '@' (1:0)
You may need an appropriate loader to handle this file type.
SyntaxError: Unexpected character '@' (1:0)
at Parser.pp.raise (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack/node_modules/acorn/dist/acorn.js:920:13)
at Parser.pp.getTokenFromCode (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack/node_modules/acorn/dist/acorn.js:2813:8)
at Parser.pp.readToken (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack/node_modules/acorn/dist/acorn.js:2508:15)
at Parser.pp.nextToken (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack/node_modules/acorn/dist/acorn.js:2500:71)
at Parser.parse (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack/node_modules/acorn/dist/acorn.js:1615:10)
at Object.parse (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack/node_modules/acorn/dist/acorn.js:882:44)
at Parser.parse (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack/lib/Parser.js:902:15)
at DependenciesBlock.<anonymous> (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack/lib/NormalModule.js:104:16)
at DependenciesBlock.onModuleBuild (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack-core/lib/NormalModuleMixin.js:310:10)
at nextLoader (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack-core/lib/NormalModuleMixin.js:275:25)
at /home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/webpack-core/lib/NormalModuleMixin.js:259:5
at Storage.finished (/home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js:38:16)
at /home/zdelagrange/src/portal/cust-portal/bitsight/node_modules/graceful-fs/graceful-fs.js:78:16
at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:405:3)
 @ ./static/js/file.js 3:0-29

但当我将其用于scss加载程序时，它运行良好：

{
  test: /'.scss$/,
  include: /.scss$/,
  exclude: [
    static_scss,
    static_scss_pdf
  ],
  loaders : [
    'style-loader',
    'css-loader?sourceMap',
    'sass-loader?sourceMap'
  ]
},

OP的问题是意外的@（可能附加到@import）
当它试图解决类似url(./filename.png) 的问题时，会出现相同的错误消息

ERROR in ./~/jquery-ui/themes/base/images/ui-icons_cc0000_256x240.png
Module parse failed: /myproject/node_modules/jquery-ui/themes/base/images/ui-icons_cc0000_256x240.png Unexpected character '�' (1:0)
You may need an appropriate loader to handle this file type.
SyntaxError: Unexpected character '�' (1:0)

我需要安装url-loader和file-loader，并将它们作为加载程序添加到webpack:

npm install --save url-loader
npm install --save file-loader

webpack.config.js

module: {
    loaders: [
        { test: /'.css$/, loader: "style-loader!css-loader" },
        { test: /'.png$/, loader: "url-loader?limit=100000" }
    ]
}

现在它很高兴地内联了这些文件：

  $ webpack
  ...
  [69] ./~/css-loader!./~/jquery-ui/themes/base/tooltip.css 528 bytes {4} [built]
  [70] ./~/css-loader!./~/jquery-ui/themes/base/theme.css 18.7 kB {4} [built]
  [71] ./~/jquery-ui/themes/base/images/ui-icons_444444_256x240.png 5.05 kB {4} [built]
  [72] ./~/jquery-ui/themes/base/images/ui-icons_555555_256x240.png 5.05 kB {4} [built]

插件之前，对象末尾缺少一个逗号。应该是：

]},
  plugins: [
    new ExtractTextPlugin("[name].css"),
    ]
}

我偶然发现了这个，因为我和你有完全相同的问题。如果逗号不是问题所在，我可以按照以下指南进行操作：http://www.jonathan-petitcolas.com/2015/05/15/howto-setup-webpack-on-es6-react-application-with-sass.html

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