角度无效配置(Webpack) [英] Angular invalid configuration(Webpack)

问题描述

我正在学习角度学习约一个月.我正在跟踪我在互联网上找到的一系列视频.我陷入了这个错误，如下图所示.

I am learning angular for about a month. I am following a series of video that I've found in internet. I got stuck here in this error as shown in picture below.

webpack.server.config.js代码

const path = require('path');
const webpack = require('webpack');

module.exports = {
entry: { server: './server.ts' },
resolve: { extentions: ['.js', '.ts'] },
externals: [/{node_modules|main\..*\.js}/],
output: {
    path: path.join(__dirname, 'dist'),
    filename: '[name].js'
},
module: {
    rules: {
        test: /\.ts$/,
        loader: 'ts-loader'
    }
},
plugins: [
    new webpack.ContextReplacementPlugin(
        /(.+)?angular(\\|\/)core(.+)?/,
        path.join(__dirname, 'src'),
        {}
    ),
    new webpack.ContextReplacementPlugin(
        /(.+)?express(\\|\/)(.+)?/,
        path.join(__dirname, 'src'),
        {}
    )
  ]
}

Package.json

Package.json

推荐答案

错误消息中的提示就在那里. rules 必须是一个对象数组，而不是单个对象；和扩展名拼写为 s ，其中还有第二个 t .

The clues are right there in the error message. rules needs to be an array of objects, not a single object; and extensions is spelled with an s where you have a second t.

这是固定版本:

webpack.server.config.js代码

const path = require('path');
const webpack = require('webpack');

module.exports = {
entry: { server: './server.ts' },
resolve: { extensions: ['.js', '.ts'] }, // CHANGED
externals: [/{node_modules|main\..*\.js}/],
output: {
    path: path.join(__dirname, 'dist'),
    filename: '[name].js'
},
module: {
    rules: [{                           // CHANGED
        test: /\.ts$/,
        loader: 'ts-loader'
    }]                                  // CHANGED
},
plugins: [
    new webpack.ContextReplacementPlugin(
        /(.+)?angular(\\|\/)core(.+)?/,
        path.join(__dirname, 'src'),
        {}
    ),
    new webpack.ContextReplacementPlugin(
        /(.+)?express(\\|\/)(.+)?/,
        path.join(__dirname, 'src'),
        {}
    )
  ]
}

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