Compile ES2015 constants to ES5

Allow parsing of async generator functions

Allow parsing of the flow syntax

Allow parsing of object rest/spread

Ensure that reserved words are quoted in object property keys

Compile ES2015 arrow functions to ES5

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

Compile ES2015 block scoping (const and let) to ES5

Compile ES2015 classes to ES5

Compile ES2015 computed properties to ES5

Compile ES2015 destructuring to ES5

Compile ES2015 for...of to ES5

Compile ES2015 unicode string and number literals to ES5

Compile ES2015 object super to ES5

Compile ES2015 default and rest parameters to ES5

Compile ES2015 shorthand properties to ES5

Compile ES2015 spread to ES5

Compile ES2015 sticky regex to an ES5 RegExp constructor

Compile ES2015 template literals to ES5

This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)