Add a __source prop to all JSX Elements
Transform optional chaining operators into a series of nil checks
Compile exponentiation operator to ES5
Compile ES2015 spread to ES5
Compile objects with duplicate keys to valid strict ES5
Compile ES2015 classes to ES5
Add a __self prop to all JSX Elements
Compile ES2015 unicode string and number literals to ES5
Compile ES2015 template literals to ES5
Remove nullish coalescing operator
Compile object rest and spread to ES5
Compile ES2015 shorthand properties to ES5
Compile ES2015 destructuring to ES5
Explode async and generator functions into a state machine.
Compile inline regular expression modifiers
Compile ES2015 object super to ES5
Ensure that no reserved words are used.
Compile ES2015 Unicode regex to ES5
Transforms logical assignment operators into short-circuited assignments
Compile ES2015 computed properties to ES5
Compile ES2015 default and rest parameters to ES5
Flow types for the Javascript AST
Turn JSX into React function calls
Transforms new.target meta property