require("@babel/core").transformSync(code, {
  plugins: [
    // sometimes need cooperate with below plugin
    // '@babel/plugin-transform-destructuring',
    // '@babel/plugin-transform-spread',
    // '@babel/plugin-transform-parameters',
    // '@babel/plugin-transform-classes',
    // "@babel/plugin-transform-for-of",

    // most time need cooperate with this plugin
    "@babel/plugin-transform-block-scoping",
    
    require("babel-plugin-lite-regenerator")
  ]
});

require("@babel/core").transformSync(code, {
  presets: [
    require('babel-plugin-lite-regenerator').babelPresetLiteRegenerator
  ]
});