webpsck配置react环境

npm ?install ?babel-core ?babel-loader ?babel-preset-react ?babel-preset-es2015

jsx ?// 高亮jsx语法

const path = require(‘path‘);module.exports = {entry: ‘./src/index.js‘,devtool: ‘inline-source-map‘,devServer: { ?contentBase: ‘./dist‘},output: { ?filename: ‘bundle.js‘, ?path: path.resolve(__dirname, ‘dist‘)},module: { ?rules: [ ???{ ?????test: /\.jsx?$/, ?????exclude: /node_modules/, ?????loader: ‘babel-loader‘, ?????query: { ???????presets: [‘es2015‘, ‘react‘] ?????} ???} ?]}};