Compile objects with duplicate keys to valid strict ES5

Compile ES2015 classes to ES5

Allow parsing of object rest/spread

Compile ES2015 shorthand properties to ES5

Compile ES2015 arrow functions to ES5

Compile ES2015 block scoping (const and let) to ES5

Compile ES2015 Unicode regex to ES5

Allow parsing of class properties

Compile ES2015 computed properties to ES5

Transform optional chaining operators into a series of nil checks

Explode async and generator functions into a state machine.

This plugin transforms private class methods

Clean up error stack traces

Apply ES2015 function.name semantics to all functions

Compile ES2015 sticky regex to an ES5 RegExp constructor

Compile ES2015 template literals to ES5

This plugin transforms ES2015 modules to SystemJS

This plugin transforms ES2015 modules to AMD

Ensure that reserved words are quoted in object property keys

Transforms logical assignment operators into short-circuited assignments