nl_tokens: Take and yield items in an iterable until the passed predicate passes then abort the sequence
pl_tokens: function takeUntil ( predicate ) { return function ( iterable ) { return __asyncGenerator ( this , arguments , function * ( ) { var e_16 , _a ; let i = 0 ; try { for ( var iterable_14 = __asyncValues ( iterable ) , iterable_14_1 ; iterable_14_1 = yield __await ( iterable_14 . <mask> ( ) ) , ! iterable_14_1 . done ; ) { const item = iterable_14_1 . value ; if ( yield __await ( predicate ( item , i ) ) ) { return yield __await ( void 0 ) ; } yield yield __await ( item ) ; i = i + 1 ; } } catch ( e_16_1 ) { e_16 = { error : e_16_1 } ; } finally { try { if ( iterable_14_1 && ! iterable_14_1 . done && ( _a = iterable_14 . return ) ) yield __await ( _a . call ( iterable_14 ) ) ; } finally { if ( e_16 ) throw e_16 . error ; } } } ) ; } ; }