webpack-dev-server 在语法错误后停止编译，需要重启

问题描述

我的 webpack-dev-server 通常正常工作，实时更新工作正常，一切都很好.

My webpack-dev-server normally works as it should, live updates are working, everything's great.

但是，如果我保存了一个语法错误的文件，服务器会停止编译并要求我重新启动它以使其再次工作.

However, if I ever save a file with a syntax error, the server stops compiling and requires me to restart it to get it working again.

例如，假设我不小心在 .scss 文件中添加了一个额外的逗号，webpack-dev-server 会输出错误:

For example, say I accidentally add an extra comma to a .scss file, the webpack-dev-server outputs the error:

Module build failed (from ./node_modules/sass-loader/dist/cjs.js):
SassError: Invalid CSS after '...oto Condensed",': expected expression (e.g. 1px, bold), was ", sans-serif;"
        on line 18 of /Users/r/Documents/sol/src/styles/app.scss
>>   font-family: "Roboto Condensed",, sans-serif;

   ----------------------------------^

 @ ./src/styles/app.scss 2:26-181
 @ ./src/index.jsx
ℹ ｢wdm｣: Failed to compile.

但是当我通过删除逗号修复错误并保存文件时，服务器不会像往常一样重新编译(它似乎根本没有输出任何内容).我必须杀死 webpack-dev-server 并重新启动它.

But when I fix the error by removing the comma and save the file, the server doesn't recompile like it normally does (it doesn't seem to output anything at all). I have to kill the webpack-dev-server and restart it.

我在网上找到的最接近我的问题的是这个 https://github.com/webpack/webpack-dev-server/issues/463，但那里的解决方案没有解决我的问题.

The closest thing I've found online to my issue was this https://github.com/webpack/webpack-dev-server/issues/463, but the solutions there didn't fix my issue.

这是我的 webpack.config.js:

Here is my webpack.config.js:

const path = require('path');

module.exports = {
    entry: path.resolve(__dirname, 'src', 'index.jsx'),

    output: {
        path: path.resolve(__dirname, 'output'),
        filename: 'bundle.js'
    },

    devServer: {
        publicPath: '/output/',
        contentBase: path.resolve(__dirname, 'src'),
    },
    resolve: {
        extensions: ['.js', '.jsx']
    },
    module: {
        rules: [
            {
                test: /\.jsx/,
                use: {
                    loader: 'babel-loader',
                    options: { presets: ['@babel/preset-react', '@babel/preset-env'] }
                }
            },
            {
                test: /\.scss/,
                use: ['style-loader', 'css-loader', 'postcss-loader', 'sass-loader']
            }
        ]
    }
};

服务器在出错后停止编译是正常行为吗?或者有没有我可以更改的标志，这样我就不必在每次语法错误后重新启动服务器?

Is it normal behavior for the server to stop compiling after an error? Or is there a flag I can change so I don't have to restart the server after every syntax error?

推荐答案

我不确定这是否与您的 webpack 配置相关，但我遇到了同样的问题，直到我删除了 prettier 和prettier-webpack-plugin 插件.我注意到我的日志中发生了崩溃:

I'm not sure if this is relevant to your webpack config, but I had the same issue until I removed the prettier and prettier-webpack-plugin plugin. I noticed that was where the crash was happening in my logs:

✖ ｢wdm｣: SyntaxError: Unexpected token (100:3)
   98 | // cull whenever the viewport moves
   99 | PIXI.Ticker.shared.add(() =>
> 100 |   if (viewport.dirty) {
      |   ^
  101 |     if (viewport.top < chunk.top) loadChunk('top');
  102 |     if (viewport.left < chunk.left) loadChunk('left');
  103 |
    at t (./node_modules/prettier/parser-babel.js:1:379)
    at Object.parse (./node_modules/prettier/parser-babel.js:1:346226)
    at Object.parse (./node_modules/prettier/index.js:13625:19)
    at coreFormat (./node_modules/prettier/index.js:14899:14)
    at format (./node_modules/prettier/index.js:15131:14)
    at ./node_modules/prettier/index.js:57542:12
    at Object.format (./node_modules/prettier/index.js:57562:12)
    at ./node_modules/prettier-webpack-plugin/index.js:70:47
    at FSReqCallback.readFileAfterClose [as oncomplete] (node:internal/fs/read_file_context:69:3)
ℹ ｢wdm｣: wait until bundle finished: /
ℹ ｢wdm｣: wait until bundle finished: /```

这篇关于webpack-dev-server 在语法错误后停止编译，需要重启的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！