Compile ES2015 block scoping (const and let) to ES5

This plugin transforms static class properties as well as properties declared with the property initializer syntax

TypeScript definitions for maptalks

Compile ES2015 sticky regex to an ES5 RegExp constructor

Compile ESNext Regular Expressions to ES5

Allow parsing of the U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR in JS strings

This plugin transforms ES2015 modules to SystemJS

Allow parsing of optional catch bindings

Allow parsing of top-level await in modules

Allow parsing of optional properties

Apply ES2015 function.name semantics to all functions

Transform TypeScript into ES.next

This plugin transforms ES2015 modules to AMD

Compile regular expressions using the `s` (`dotAll`) flag to ES5.

Allow parsing of the nullish-coalescing operator

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

Allow parsing of the module attributes in the import statement

Compile exponentiation operator to ES5

Remove nullish coalescing operator

Ensure that reserved words are quoted in object property keys