src/language.js
function _getLangWithDesc( desc ) {
    const results = ( desc ) ? tags.search( desc ).filter( _languagesOnly ) : [];
    return results[ 0 ] || '';
}
function _getLangWithDesc( desc ) {
    const results = ( desc ) ? tags.search( desc ).filter( _languagesOnly ) : [];
    return results[ 0 ] || '';
}
function _getLangWithDesc ( desc ) { const results = ( desc ) ? tags . search ( desc ) . filter ( _languagesOnly ) : [ ] ; return results [ 0 ] || '' ; }
Performs IANA search to find language object with provided description

@param  {string} desc language description
@return {<*>}         the first language object result that was found
Performs IANA search to find language object with provided description