feat: initial commit

node_modules/rxjs/_esm2015/internal/observable/generate.js

@@ -0,0 +1,124 @@
+import { Observable } from '../Observable';
+import { identity } from '../util/identity';
+import { isScheduler } from '../util/isScheduler';
+export function generate(initialStateOrOptions, condition, iterate, resultSelectorOrObservable, scheduler) {
+    let resultSelector;
+    let initialState;
+    if (arguments.length == 1) {
+        const options = initialStateOrOptions;
+        initialState = options.initialState;
+        condition = options.condition;
+        iterate = options.iterate;
+        resultSelector = options.resultSelector || identity;
+        scheduler = options.scheduler;
+    }
+    else if (resultSelectorOrObservable === undefined || isScheduler(resultSelectorOrObservable)) {
+        initialState = initialStateOrOptions;
+        resultSelector = identity;
+        scheduler = resultSelectorOrObservable;
+    }
+    else {
+        initialState = initialStateOrOptions;
+        resultSelector = resultSelectorOrObservable;
+    }
+    return new Observable(subscriber => {
+        let state = initialState;
+        if (scheduler) {
+            return scheduler.schedule(dispatch, 0, {
+                subscriber,
+                iterate,
+                condition,
+                resultSelector,
+                state
+            });
+        }
+        do {
+            if (condition) {
+                let conditionResult;
+                try {
+                    conditionResult = condition(state);
+                }
+                catch (err) {
+                    subscriber.error(err);
+                    return undefined;
+                }
+                if (!conditionResult) {
+                    subscriber.complete();
+                    break;
+                }
+            }
+            let value;
+            try {
+                value = resultSelector(state);
+            }
+            catch (err) {
+                subscriber.error(err);
+                return undefined;
+            }
+            subscriber.next(value);
+            if (subscriber.closed) {
+                break;
+            }
+            try {
+                state = iterate(state);
+            }
+            catch (err) {
+                subscriber.error(err);
+                return undefined;
+            }
+        } while (true);
+        return undefined;
+    });
+}
+function dispatch(state) {
+    const { subscriber, condition } = state;
+    if (subscriber.closed) {
+        return undefined;
+    }
+    if (state.needIterate) {
+        try {
+            state.state = state.iterate(state.state);
+        }
+        catch (err) {
+            subscriber.error(err);
+            return undefined;
+        }
+    }
+    else {
+        state.needIterate = true;
+    }
+    if (condition) {
+        let conditionResult;
+        try {
+            conditionResult = condition(state.state);
+        }
+        catch (err) {
+            subscriber.error(err);
+            return undefined;
+        }
+        if (!conditionResult) {
+            subscriber.complete();
+            return undefined;
+        }
+        if (subscriber.closed) {
+            return undefined;
+        }
+    }
+    let value;
+    try {
+        value = state.resultSelector(state.state);
+    }
+    catch (err) {
+        subscriber.error(err);
+        return undefined;
+    }
+    if (subscriber.closed) {
+        return undefined;
+    }
+    subscriber.next(value);
+    if (subscriber.closed) {
+        return undefined;
+    }
+    return this.schedule(state);
+}
+//# sourceMappingURL=generate.js.map