code: function babelCompiler(source) {
      return babel.transform(source, {
          comments: false,
          minified: true,
          presets: [
              [
                  '@babel/preset-env',
                  {
                      targets: {
                          node: 3
                      },
                      modules: false
                  }
              ]
          ]
      }).code;
  }
docs: babel 编译
  
  @param {string} source 源代码
  @return {string} 编译后的代码