nl_tokens: Returns a getOption function that extracts property value for given options object . If property is missing it returns defaultValue . If value is out of range for that property it throws RangeError .
pl_tokens: function getGetOption ( options , caller ) { if ( IS_UNDEFINED ( options ) ) throw MakeError ( kDefaultOptionsMissing , caller ) ; var getOption = function getOption ( property , type , values , defaultValue ) { if ( ! IS_UNDEFINED ( options [ property ] ) ) { var value = options [ property ] ; switch ( type ) { case 'boolean' : value = TO_BOOLEAN ( value ) ; break ; case 'string' : value = TO_STRING ( value ) ; break ; case 'number' : value = TO_NUMBER ( value ) ; break ; default : throw MakeError ( kWrongValueType ) ; } if ( ! IS_UNDEFINED ( <mask> ) && % _Call ( ArrayIndexOf , values , value ) === - 1 ) { throw MakeRangeError ( kValueOutOfRange , value , caller , property ) ; } return value ; } return defaultValue ; } return getOption ; }