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webpack-ES6转ES5的babel

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1.安装babel

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npm install --save-dev babel-loader@7 babel-core babel-preset-es2015

2.代开webpack.config.js 进行配置

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{
  test: /\.m?js$/,
  exclude: /(node_modules|bower_components)/,
  use: {
    loader: 'babel-loader',
    options: {
      presets: ['es2015']
    }
  }
}

3.在终端执行

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npm run build