MDXv1 to CSF webpack compiler and loader

Compile ES2015 spread to ES5

Compile exponentiation operator to ES5

Build environment checking (a la autoconf) for node.js

Compile ES2015 template literals to ES5

Compile ES2015 Unicode escapes to ES5

Compile ES2015 unicode string and number literals to ES5

Compile objects with duplicate keys to valid strict ES5

Parses and compiles CSS nth-checks to highly optimized functions.

Compile ES2015 object super to ES5

Compile inline regular expression modifiers

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

Compile ESNext Regular Expressions to ES5

Compile optional catch bindings

Compile regular expressions' unicodeSets (v) flag.

Compile regular expressions using named groups to ES5.

Compile export namespace to ES2015

Compile object rest and spread to ES5

Compile Unicode property escapes in Unicode regular expressions to ES5.

Compile group of classes into one class