Uncaught ReferenceError: regeneratorRuntime is not defined

Uncaught ReferenceError: regeneratorRuntime is not defined

problem

react + webpack 工程中使用 async await语法
控制台报错：Uncaught ReferenceError: regeneratorRuntime is not defined

reason

缺少依赖包

solution

yarn add -D @babel/plugin-transform-runtime

.babelrc 配置新增

plugins: [
    "@babel/plugin-transform-runtime"
],