Compile objects with duplicate keys to valid strict ES5

Compile ES2015 arrow functions to ES5

Transforms logical assignment operators into short-circuited assignments

Compile ES2015 spread to ES5

Apply ES2015 function.name semantics to all functions

Compile ES2015 unicode string and number literals to ES5

Transform optional chaining operators into a series of nil checks

Compile ES2015 classes to ES5

Remove nullish coalescing operator

Compile ES2015 object super to ES5

Compile exponentiation operator to ES5

Compile ES2015 destructuring to ES5

Compile ES2015 default and rest parameters to ES5

Ensure that reserved words are quoted in object property keys

Compile ES2015 Unicode escapes to ES5

Ensure that no reserved words are used.

This plugin transforms checks for a private property in an object

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

Explode async and generator functions into a state machine.

Turn async functions into ES2015 generators