micromark extension to support GFM footnotes
mdast extension to parse and serialize GFM footnotes
Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar→
fooBar`
Allow parsing of '#foo in obj' brand checks
Invert the key/value of an object. Example: `{foo: 'bar'}→
{bar: 'foo'}`