每个人。 尝试执行npm run build时出现此错误。 这是screen 整个过程为webpack配置增加了麻烦。 这是关键文件的内容。 package.json
{
"name": "learning-webpack","version": "1.0.0","description": "A package for learning Webpack","main": "index.js","scripts": {
"build": "webpack --mode development","watch": "webpack --w --mode development"
},"author": "Mikhail Gilodo","license": "ISC","devDependencies": {
"babel": "^6.23.0","babel-core": "^6.26.3","babel-preset-env": "^1.7.0","babel-preset-es2015": "^6.24.1","loader": "^2.1.1","webpack": "^4.41.2","webpack-cli": "^3.3.10"
}
}
webpack.config.js
const path = require("path");
module.exports = {
entry: './src/index.js',output: {
filename: 'bundle.js',path: path.join(__dirname,'/dist')
},module: {
rules: [
{
test: /\.js$/,exclude: /node_modules/,use: {
loader: "babel-loader",options: {
presets: ['es2015']
}
}
}
]
}
}
.babelrc
{
"presets": [
"es2015"
]
}