Compile ES2015 arrow functions to ES5

Compile ES2015 block scoping (const and let) to ES5

ESLint plugin for Next.js.

Compile object rest and spread to ES5

Transforms new.target meta property

Compile objects with duplicate keys to valid strict ES5

Allow parsing of the U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR in JS strings

Ensure that no reserved words are used.

Allow parsing of optional catch bindings

Apply ES2015 function.name semantics to all functions

Turn async functions into ES2015 generators

Allow parsing of top-level await in modules

Compile exponentiation operator to ES5

Turn async generator functions into ES2015 generators

Transform import() expressions

Remove nullish coalescing operator

Compile regular expressions using the `s` (`dotAll`) flag to ES5.

This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)

Compile export namespace to ES2015

Compile optional catch bindings