modernx/babel.config.js at main · perlinson/modernx · GitHub

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module.exports = {
  presets: [
    ['@babel/preset-env', {
      targets: {
        browsers: ['> 1%', 'last 2 versions', 'not ie <= 8'],
        node: '14'
      },
      modules: false,
      // 统一 loose 模式
      loose: false,
      // 禁用 class properties transform 以避免冲突
      useBuiltIns: false,
      corejs: false
    }],
    ['@babel/preset-react', {
      runtime: 'automatic'
    }]
  ],
  plugins: [
    '@babel/plugin-transform-runtime',
    '@babel/plugin-transform-object-rest-spread'
  ],
  env: {
    test: {
      presets: [
        ['@babel/preset-env', {
          targets: {
            node: 'current'
          },
          modules: 'commonjs',
          loose: false
        }],
        ['@babel/preset-react', {
          runtime: 'automatic'
        }]
      ]
    }
  }
};