.

node_modules/rxjs/dist/esm/internal/operators/timeout.js

@@ -0,0 +1,56 @@
+import { asyncScheduler } from '../scheduler/async';
+import { isValidDate } from '../util/isDate';
+import { operate } from '../util/lift';
+import { innerFrom } from '../observable/innerFrom';
+import { createErrorClass } from '../util/createErrorClass';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+import { executeSchedule } from '../util/executeSchedule';
+export const TimeoutError = createErrorClass((_super) => function TimeoutErrorImpl(info = null) {
+    _super(this);
+    this.message = 'Timeout has occurred';
+    this.name = 'TimeoutError';
+    this.info = info;
+});
+export function timeout(config, schedulerArg) {
+    const { first, each, with: _with = timeoutErrorFactory, scheduler = schedulerArg !== null && schedulerArg !== void 0 ? schedulerArg : asyncScheduler, meta = null, } = (isValidDate(config) ? { first: config } : typeof config === 'number' ? { each: config } : config);
+    if (first == null && each == null) {
+        throw new TypeError('No timeout provided.');
+    }
+    return operate((source, subscriber) => {
+        let originalSourceSubscription;
+        let timerSubscription;
+        let lastValue = null;
+        let seen = 0;
+        const startTimer = (delay) => {
+            timerSubscription = executeSchedule(subscriber, scheduler, () => {
+                try {
+                    originalSourceSubscription.unsubscribe();
+                    innerFrom(_with({
+                        meta,
+                        lastValue,
+                        seen,
+                    })).subscribe(subscriber);
+                }
+                catch (err) {
+                    subscriber.error(err);
+                }
+            }, delay);
+        };
+        originalSourceSubscription = source.subscribe(createOperatorSubscriber(subscriber, (value) => {
+            timerSubscription === null || timerSubscription === void 0 ? void 0 : timerSubscription.unsubscribe();
+            seen++;
+            subscriber.next((lastValue = value));
+            each > 0 && startTimer(each);
+        }, undefined, undefined, () => {
+            if (!(timerSubscription === null || timerSubscription === void 0 ? void 0 : timerSubscription.closed)) {
+                timerSubscription === null || timerSubscription === void 0 ? void 0 : timerSubscription.unsubscribe();
+            }
+            lastValue = null;
+        }));
+        !seen && startTimer(first != null ? (typeof first === 'number' ? first : +first - scheduler.now()) : each);
+    });
+}
+function timeoutErrorFactory(info) {
+    throw new TimeoutError(info);
+}
+//# sourceMappingURL=timeout.js.map