Convert camelCase to sentence

camelCaseToSentence.js

/**
 * Function: camelCaseToSentence
 *
 * Parameters:
 *   string - An UpperCamelCase or lowerCamelCase string
 *
 * Returns:
 *   A sentence string
 * _____________________________________
 */
const camelCaseToSentence = ( ccString ) => {
  let s = ccString;
  // camelCase -> CamelCase
  s = s.charAt( 0 ).toUpperCase() + s.slice( 1 );

  // https://stackoverflow.com/a/54112355/6850747
  s = s
    // CamelCase to ['Camel', ' ', 'Case']
    .split( /([A-Z][a-z]+)/ )
    // ['Camel', ' ', 'Case'] -> ['Camel', 'Case']
    .filter( ( e ) => e )
    // ['Camel', 'Case'] -> 'Camel Case'
    .join( ' ' );

  return s;
};