60 lines
2.2 KiB
JavaScript
60 lines
2.2 KiB
JavaScript
|
import { EMPTY } from '../observable/empty';
|
||
|
|
import { operate } from '../util/lift';
|
||
|
|
import { createOperatorSubscriber } from './OperatorSubscriber';
|
||
|
|
import { innerFrom } from '../observable/innerFrom';
|
||
|
|
import { timer } from '../observable/timer';
|
||
|
|
export function repeat(countOrConfig) {
|
||
|
|
var _a;
|
||
|
|
var count = Infinity;
|
||
|
|
var delay;
|
||
|
|
if (countOrConfig != null) {
|
||
|
|
if (typeof countOrConfig === 'object') {
|
||
|
|
(_a = countOrConfig.count, count = _a === void 0 ? Infinity : _a, delay = countOrConfig.delay);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
count = countOrConfig;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return count <= 0
|
||
|
|
? function () { return EMPTY; }
|
||
|
|
: operate(function (source, subscriber) {
|
||
|
|
var soFar = 0;
|
||
|
|
var sourceSub;
|
||
|
|
var resubscribe = function () {
|
||
|
|
sourceSub === null || sourceSub === void 0 ? void 0 : sourceSub.unsubscribe();
|
||
|
|
sourceSub = null;
|
||
|
|
if (delay != null) {
|
||
|
|
var notifier = typeof delay === 'number' ? timer(delay) : innerFrom(delay(soFar));
|
||
|
|
var notifierSubscriber_1 = createOperatorSubscriber(subscriber, function () {
|
||
|
|
notifierSubscriber_1.unsubscribe();
|
||
|
|
subscribeToSource();
|
||
|
|
});
|
||
|
|
notifier.subscribe(notifierSubscriber_1);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
subscribeToSource();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var subscribeToSource = function () {
|
||
|
|
var syncUnsub = false;
|
||
|
|
sourceSub = source.subscribe(createOperatorSubscriber(subscriber, undefined, function () {
|
||
|
|
if (++soFar < count) {
|
||
|
|
if (sourceSub) {
|
||
|
|
resubscribe();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
syncUnsub = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
subscriber.complete();
|
||
|
|
}
|
||
|
|
}));
|
||
|
|
if (syncUnsub) {
|
||
|
|
resubscribe();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
subscribeToSource();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=repeat.js.map
|