Compile ES2015 classes to ES5

Compile ES2015 shorthand properties to ES5

Compile ES2015 Unicode regex to ES5

Node's event emitter for all engines.

Compile ES2015 default and rest parameters to ES5

Compile ES2015 computed properties to ES5

Remove more unused variables

Compile ES2015 sticky regex to an ES5 RegExp constructor

Node's event emitter for all engines.

Node's event emitter for all engines.

Compile ES2015 template literals to ES5

Compile ES2015 for...of to ES5

Compile ES2015 arrow functions to ES5

Compile ES2015 block scoping (const and let) to ES5

Compile ES2015 spread to ES5

Compile ES2015 unicode string and number literals to ES5

Compile ESNext Regular Expressions to ES5

A customizable CodeMirror theme using CSS variables

Compile ES2015 object super to ES5

Compile regular expressions using named groups to ES5.