Rx.Observable.while(condition, source)
Rx.Observable.whileDo(condition, source)
DEPRECATED
Repeats source as long as condition holds emulating a while loop. There is an alias for this method called 'whileDo' for browsers <IE9.
Arguments
condition
(Function
): The condition which determines if the source will be repeated.source
(Observable
): The observable sequence that will be run if the condition function returns true.
Returns
(Observable
): An observable sequence which is repeated as long as the condition holds.
Example
var i = 0;
// Repeat until condition no longer holds
var source = Rx.Observable.while(
function () { return i++ < 3 },
Rx.Observable.return(42)
);
var subscription = source.subscribe(
function (x) {
console.log('Next: ' + x);
},
function (err) {
console.log('Error: ' + err);
},
function () {
console.log('Completed');
});
// => Next: 42
// => Next: 42
// => Next: 42
// => Completed
Location
File:
Dist:
Prerequisites:
NPM Packages:
NuGet Packages:
Unit Tests: