This plugin transforms private class methods
Transform optional chaining operators into a series of nil checks
Allow parsing of Decimal, Binary, Hex and Octal literals that contain a Numeric Literal Separator
Compile ES2015 for...of to ES5
Allow parsing of the U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR in JS strings
Apply ES2015 function.name semantics to all functions
Compile ES2015 block scoping (const and let) to ES5
Compile ES2015 Unicode regex to ES5
Compile object rest and spread to ES5
This plugin transforms ES2015 modules to AMD
Compile ES2015 sticky regex to an ES5 RegExp constructor
Compile ES2015 arrow functions to ES5
This plugin transforms ES2015 modules to SystemJS
Allow parsing of import.meta
Compile objects with duplicate keys to valid strict ES5
Allow parsing of the module assertion attributes in the import statement
Transform TypeScript into ES.next
Ensure that reserved words are quoted in object property keys
Allow parsing of object rest/spread
Allow parsing of BigInt literals
Transform import() expressions
Turn async functions into ES2015 generators
Compile ES2015 object super to ES5
Ensure that no reserved words are used.