Add a __self prop to all JSX Elements

Apply ES2015 function.name semantics to all functions

Transform class static blocks

Ensure that reserved words are quoted in object property keys

Compile ES2015 for...of to ES5

Transform optional chaining operators into a series of nil checks

Babel plugin to ensure function declarations at the block level are block scoped

Compile exponentiation operator to ES5

Remove nullish coalescing operator

Compile ES2015 template literals to ES5

Compile ES2015 destructuring to ES5

Compile ES2015 spread to ES5

Compile ES2015 classes to ES5

Compile ES2015 Unicode escapes to ES5

Remove numeric separators from Decimal, Binary, Hex and Octal literals

stringify binary data transform stream

Compile ES2015 unicode string and number literals to ES5

Compile ES2015 object super to ES5

Compile objects with duplicate keys to valid strict ES5

Transforms new.target meta property