Vue+Babel7+scss+webpack4の環境でimportしていないファイルがバンドルされる

Question

実現したいこと

VueのSFCをバンドルしたいです

発生している問題

関係ないファイルが読み込まれる

関連するソースコード・エラー

webpack.config.js

const VueLoaderPlugin = require('vue-loader/lib/plugin');

module.exports = {
    target: 'web',
    node: { fs: "empty", net: "empty" },
    mode: "development",
    entry: "./src/account/main.ts",
    module: {
        rules: [
            { 
                test: /.js$/, 
                exclude: /node_modules/, 
                use: { 
                    loader:'babel-loader', 
                    options:{presets: ['@babel/preset-env']}
                } 
            },
            {
                test: /.ts$/,
                use: 'ts-loader'
            },
            {
                test: /.vue$/,
                use: 'vue-loader',
                exclude: /node_modules/
            },
            {
                test: /.(scss|css)$/,
                exclude: /node_modules/,
                use: [
                    'style-loader', 
                    {
                        loader:'css-loader',
                        options:{
                            url:false,
                            sourceMap:false,
                            importLoaders:2
                        }
                    }, {loader:'sass-loader'}
                ]
            }
        ]
    },
    output: {
        path: `${__dirname}/dist`,
        filename: "account.bundle.js"
    },
    plugins: [
        new VueLoaderPlugin()
    ],
    resolve: {
        alias: {
            'vue$': 'vue/dist/vue.esm.js'
        },
        extensions: ['.vue', '.ts', '.js']
    }
};

.babelrc

{
        "presets":[["@babel/preset-env",{"useBuiltIns":"usage"}]]
}

package.json

{
  "name": "project",
  "version": "1.0.0",
  "description": "My App",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "vue": "^2.6.9",
    "vue-property-decorator": "^8.0.0",
    "vue-router": "^3.0.2",
    "vuex": "^3.1.0",
    "vuex-router-sync": "^5.0.0"
  },
  "devDependencies": {
    "@babel/core": "^7.3.4",
    "@babel/preset-env": "^7.3.4",
    "babel-loader": "^8.0.5",
    "css-loader": "^2.1.1",
    "node-sass": "^4.11.0",
    "sass-loader": "^7.1.0",
    "style-loader": "^0.23.1",
    "ts-loader": "^5.3.3",
    "typescript": "^3.3.3333",
    "vue-loader": "^15.7.0",
    "vue-style-loader": "^4.1.2",
    "vue-template-compiler": "^2.6.9",
    "webpack": "^4.29.6",
    "webpack-cli": "^3.3.0"
  }
}

tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "es2015",
    "strict": true,
    "moduleResolution": "node",
    "experimentalDecorators":true,
    "allowJs": true,
    "rootDir": ".",
    "outDir": "./dist/"
  }
}

出ているエラー

ERROR in ./src/account/App.vue?vue&type=script&lang=ts& (./node_modules/ts-loade
r!./node_modules/vue-loader/lib??vue-loader-options!./src/account/App.vue?vue&ty
pe=script&lang=ts&)
Module not found: Error: Can't resolve 'express' in 'C:\Users\xxx\project
\src\account'
 @ ./src/account/App.vue?vue&type=script&lang=ts& (./node_modules/ts-loader!./no
de_modules/vue-loader/lib??vue-loader-options!./src/account/App.vue?vue&type=scr
ipt&lang=ts&) 2:14-32
 @ ./src/account/App.vue?vue&type=script&lang=ts&
 @ ./src/account/App.vue
 @ ./src/account/main.ts

App.vue

<template>
  <div id="app">
    <h2>test</h2>
  </div>
</template>
<script lang="ts">
import {Vue,Component} from 'vue-property-decorator';
@Component
export default class App extends Vue{
}
</script>

<style lang="scss">
h2{
  color:red
}
</style>

main.ts

import Vue from 'vue'
import App from './App.vue'

Vue.config.productionTip = false

new Vue({
  render: h => h(App)
}).$mount('#app')

グローバルにもwebpackとwebpack-cliがありますがpackage.jsonに書かれているバージョンと同じです

Answer 1

tsの設定にappendTsSuffixTo: [/.vue$/]を足したら治りました