Transform optional chaining operators into a series of nil checks

Compile ES2015 shorthand properties to ES5

Compile ES2015 for...of to ES5

Compile ES2015 template literals to ES5

Compile ES2015 spread to ES5

Allow parsing of BigInt literals

Compile ES2015 unicode string and number literals to ES5

This plugin transforms ES2015 modules to SystemJS

Compile ES2015 default and rest parameters to ES5

Compile ES2015 object super to ES5

Compile ES2015 arrow functions to ES5

Compile ES2015 computed properties to ES5

This plugin transforms ES2015 modules to AMD

Transforms new.target meta property

This plugin transforms ES2015 modules to UMD

Allow parsing of the module assertion attributes in the import statement

Compile ES2015 block scoping (const and let) to ES5

Compile objects with duplicate keys to valid strict ES5

Compile ES2015 sticky regex to an ES5 RegExp constructor

Compile exponentiation operator to ES5