src/components/themr.js
function removeNamespace(key, themeNamespace) {
  const capitalized = key.substr(themeNamespace.length)
  return capitalized.slice(0, 1).toLowerCase() + capitalized.slice(1)
}
function removeNamespace(key, themeNamespace) {
  const capitalized = key.substr(themeNamespace.length)
  return capitalized.slice(0, 1).toLowerCase() + capitalized.slice(1)
}
function removeNamespace ( key , themeNamespace ) { const capitalized = key . substr ( themeNamespace . length ) return capitalized . slice ( 0 , 1 ) . toLowerCase ( ) + capitalized . slice ( 1 ) }
Removes namespace from key

@param {String} key - Key
@param {String} themeNamespace - Theme namespace
@returns {String} - Key
Removes namespace from key