* Add support for optional-chaining (stage 4) in present-env * revert babel-preset-env built-in-modules.json * add shipped proposal syntax map entry, optional chaining * update remaining syntax plugin references, proposal description * Add support for nullish coalescing operator in preset-env * selectively enable sort-keys rule * enforce sort-keys on shipped-proposals * don't use Object.entries() * Update fixtures
@babel/preset-env
A Babel preset for each environment.
See our website @babel/preset-env for more information or the issues associated with this package.
Install
Using npm:
npm install --save-dev @babel/preset-env
or using yarn:
yarn add @babel/preset-env --dev