Explode async and generator functions into a state machine.

Compile ES2015 Unicode regex to ES5

Turn async functions into ES2015 generators

TypeScript transformer for improving the debugging experience of styled-components

Allow parsing of the module assertion attributes in the import statement

Transform optional chaining operators into a series of nil checks

Allow parsing of Decimal, Binary, Hex and Octal literals that contain a Numeric Literal Separator

Compile ES2015 template literals to ES5

Compile object rest and spread to ES5

Ensure that reserved words are quoted in object property keys

Allow parsing of the nullish-coalescing operator

Compile ES2015 sticky regex to an ES5 RegExp constructor

Allow parsing of BigInt literals

Compile ES2015 unicode string and number literals to ES5

Compile exponentiation operator to ES5

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

Compile objects with duplicate keys to valid strict ES5

Compile ES2015 object super to ES5

Allow parsing of optional catch bindings

Transform import() expressions