Webpack与Bootstrap的sass-loader

Question

Webpack与Bootstrap的sass-loader

3

我刚刚开始了解webpack，但是当我尝试从index.scss文件中引入bootstrap-sass时，它出现了问题。

这个webpack配置非常好用，并且将一个.css文件输出到css/stylehseet.css。

'use strict';

var path = require('path');
var ExtractTextPlugin = require('extract-text-webpack-plugin');

module.exports = {
    entry: {
        stylesheet: path.resolve(__dirname, 'scss/index.scss')
    },
    output: {
        path: path.resolve(__dirname),
        filename: 'bundle.bootstrap-sass.js'
    },
    module: {
        loaders: [
            {
                test: /\.scss$/,
                loader: ExtractTextPlugin.extract(
                    'style', // backup loader when not building .css file
                    'css!sass' // loaders to preprocess CSS
                )
            }
        ]
    },
    plugins: [
        new ExtractTextPlugin('css/[name].css')
    ],
    resolve: {
        modulesDirectories: [
            './node_modules'
        ]
    }
};

问题在于，我必须在index.scss中包含bootstrap-sass。根据https://www.npmjs.com/package/sass-loader#imports，你需要加上~，webpack会自动解析：

$icon-font-path: "~bootstrap-sass/assets/fonts/bootstrap/";
@import "~bootstrap-sass/assets/stylesheets/bootstrap";

问题出在我的尝试中，但输出结果并非如此 :/。我得到的输出是：

Hash: b59b46e5946e7ab3d888
Version: webpack 1.13.3
Time: 1852ms
                   Asset    Size  Chunks             Chunk Names
bundle.bootstrap-sass.js  171 kB       0  [emitted]  css
    + 9 hidden modules

ERROR in ./~/bootstrap-sass/assets/fonts/bootstrap/glyphicons-halflings-regular.eot
Module parse failed: /mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/bootstrap-sass/assets/fonts/bootstrap/glyphicons-halflings-regular.eot Unexpected character '�' (1:0)
You may need an appropriate loader to handle this file type.
SyntaxError: Unexpected character '�' (1:0)
    at Parser.pp$4.raise (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/acorn/dist/acorn.js:2221:15)
    at Parser.pp$7.getTokenFromCode (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/acorn/dist/acorn.js:2756:10)
    at Parser.pp$7.readToken (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/acorn/dist/acorn.js:2477:17)
    at Parser.pp$7.nextToken (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/acorn/dist/acorn.js:2468:15)
    at Parser.parse (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/acorn/dist/acorn.js:515:10)
    at Object.parse (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/acorn/dist/acorn.js:3098:39)
    at Parser.parse (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/webpack/lib/Parser.js:902:15)
    at DependenciesBlock.<anonymous> (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/webpack/lib/NormalModule.js:104:16)
    at DependenciesBlock.onModuleBuild (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/webpack-core/lib/NormalModuleMixin.js:310:10)
    at nextLoader (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/webpack-core/lib/NormalModuleMixin.js:275:25)
    at /mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/webpack-core/lib/NormalModuleMixin.js:259:5
    at Storage.finished (/mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js:38:16)
    at /mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/graceful-fs/graceful-fs.js:78:16
    at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:445:3)
 @ ./~/css-loader!./~/sass-loader!./scss/index.scss 6:4172-4253 6:4276-4357

ERROR in ./~/bootstrap-sass/assets/fonts/bootstrap/glyphicons-halflings-regular.woff2
..... etc etc

Webpack相当强大，但是想要掌握它需要花费一定的时间...

这是我的package.json文件：

{
  "name": "webpack-demo",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "John Carmichael",
  "license": "ISC",
  "dependencies": {
    "bootstrap-sass": "^3.3.6"
  },
  "devDependencies": {
    "css-loader": "^0.25.0",
    "extract-text-webpack-plugin": "latest",
    "node-sass": "^3.11.2",
    "sass-loader": "^4.0.2",
    "style-loader": "^0.13.1",
    "webpack": "^1.13.3"
  }
}

有什么小问题我可能忽略了吗 :) ?

- user1037355

1个回答

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- Dimitris Karagiannis · Accepted Answer

ERROR in ./~/bootstrap-sass/assets/fonts/bootstrap/glyphicons-halflings-regular.eot
Module parse failed: /mnt/4E6E45D36E45B48D/Work/webpack-demo/node_modules/bootstrap-sass/assets/fonts/bootstrap/glyphicons-halflings-regular.eot Unexpected character '�' (1:0)
You may need an appropriate loader to handle this file type.

这就是问题所在。

编译器试图加载一个.eot字体文件，但它不知道该怎么处理，因为你没有使用适当的加载程序。

首先，在你的开发依赖项中安装file-loader和url-loader，如下所示：npm install file-loader url-loader -D

然后，在你的加载器中添加这些内容。

{
    test: /\.(woff|woff2)(\?v=\d+\.\d+\.\d+)?$/,
    loader: 'url-loader?limit=10000&mimetype=application/font-woff'
},
{
    test: /\.ttf(\?v=\d+\.\d+\.\d+)?$/,
    loader: 'url-loader?limit=10000&mimetype=application/octet-stream'
},
{
    test: /\.eot(\?v=\d+\.\d+\.\d+)?$/,
    loader: 'file-loader'
},

这样做可以加载大多数类型的字体