Explode array component string into usable array of properties, i.e. 'field[subfield1][subfield2][subfield3]' => ["field", "subfield1", "subfield2", "subfield3"]

arrayStringToProperties.js

/**
 * Explode array component string into usable array of properties, i.e. 
 * 'field[subfield1][subfield2][subfield3]' => 
 * ["field", "subfield1", "subfield2", "subfield3"] 
 *
 * @param {String} string String of fields
 *
 * @return {Array} Returns array of field properties
 */
function arrayStringToProperties ( string ) {
  return string
    .split( ']' )
    .join( '' )
    .split( '[' )
    .filter( function ( v ) {
      return v;
    });
}