When I use core-js with babel, I want to try my best to reduce the output file size. So I will configure babel to import only some polyfills ... ... <看更多>

I have babel-env set up something like this, which seems not working properly. ["@babel/preset-env", { "useBuiltIns": "usage", "corejs": 3, ... ... <看更多>

require('babel-runtime/core-js/promise'). 来获取Promise。 这样我们就弥补了babel-polyfill的缺点，达到了按需加载的效果。但是在实际项目开发过程中，我们往往会写 ... ... <看更多>

Babel compiler core. ... @babel/core JS library on Openbase ... 6to5babelclassesconstes6harmonyletmodulestranspiletranspilervarbabel-corecompiler. ... <看更多>