Allow parsing of BigInt literals

Allow parsing of the module assertion attributes in the import statement

Compile ES2015 classes to ES5

Allow parsing of the logical assignment operators

Minimizer plugin for webpack

Compile ES2015 object super to ES5

Compile ES2015 shorthand properties to ES5

Compile ES2015 Unicode regex to ES5

Compile object rest and spread to ES5

Allow parsing of class properties

Compile objects with duplicate keys to valid strict ES5

Transforms new.target meta property

Remove nullish coalescing operator

Ensure that no reserved words are used.

Explode async and generator functions into a state machine.

Transform optional chaining operators into a series of nil checks

Compile exponentiation operator to ES5

Turn async generator functions into ES2015 generators

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

Transforms logical assignment operators into short-circuited assignments