TestQA/node_modules/rxjs/_esm5/observable/GenerateObservable.js

/** PURE_IMPORTS_START .._Observable,.._util_isScheduler PURE_IMPORTS_END */
var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b)
        if (b.hasOwnProperty(p))
            d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
import { Observable } from '../Observable';
import { isScheduler } from '../util/isScheduler';
var selfSelector = function (value) { return value; };
/**
 * We need this JSDoc comment for affecting ESDoc.
 * @extends {Ignored}
 * @hide true
 */
export var GenerateObservable = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
    __extends(GenerateObservable, _super);
    function GenerateObservable(initialState, condition, iterate, resultSelector, scheduler) {
        _super.call(this);
        this.initialState = initialState;
        this.condition = condition;
        this.iterate = iterate;
        this.resultSelector = resultSelector;
        this.scheduler = scheduler;
    }
    GenerateObservable.create = function (initialStateOrOptions, condition, iterate, resultSelectorOrObservable, scheduler) {
        if (arguments.length == 1) {
            return new GenerateObservable(initialStateOrOptions.initialState, initialStateOrOptions.condition, initialStateOrOptions.iterate, initialStateOrOptions.resultSelector || selfSelector, initialStateOrOptions.scheduler);
        }
        if (resultSelectorOrObservable === undefined || isScheduler(resultSelectorOrObservable)) {
            return new GenerateObservable(initialStateOrOptions, condition, iterate, selfSelector, resultSelectorOrObservable);
        }
        return new GenerateObservable(initialStateOrOptions, condition, iterate, resultSelectorOrObservable, scheduler);
    };
    /** @deprecated internal use only */ GenerateObservable.prototype._subscribe = function (subscriber) {
        var state = this.initialState;
        if (this.scheduler) {
            return this.scheduler.schedule(GenerateObservable.dispatch, 0, {
                subscriber: subscriber,
                iterate: this.iterate,
                condition: this.condition,
                resultSelector: this.resultSelector,
                state: state
            });
        }
        var _a = this, condition = _a.condition, resultSelector = _a.resultSelector, iterate = _a.iterate;
        do {
            if (condition) {
                var conditionResult = void 0;
                try {
                    conditionResult = condition(state);
                }
                catch (err) {
                    subscriber.error(err);
                    return;
                }
                if (!conditionResult) {
                    subscriber.complete();
                    break;
                }
            }
            var value = void 0;
            try {
                value = resultSelector(state);
            }
            catch (err) {
                subscriber.error(err);
                return;
            }
            subscriber.next(value);
            if (subscriber.closed) {
                break;
            }
            try {
                state = iterate(state);
            }
            catch (err) {
                subscriber.error(err);
                return;
            }
        } while (true);
    };
    GenerateObservable.dispatch = function (state) {
        var subscriber = state.subscriber, condition = state.condition;
        if (subscriber.closed) {
            return;
        }
        if (state.needIterate) {
            try {
                state.state = state.iterate(state.state);
            }
            catch (err) {
                subscriber.error(err);
                return;
            }
        }
        else {
            state.needIterate = true;
        }
        if (condition) {
            var conditionResult = void 0;
            try {
                conditionResult = condition(state.state);
            }
            catch (err) {
                subscriber.error(err);
                return;
            }
            if (!conditionResult) {
                subscriber.complete();
                return;
            }
            if (subscriber.closed) {
                return;
            }
        }
        var value;
        try {
            value = state.resultSelector(state.state);
        }
        catch (err) {
            subscriber.error(err);
            return;
        }
        if (subscriber.closed) {
            return;
        }
        subscriber.next(value);
        if (subscriber.closed) {
            return;
        }
        return this.schedule(state);
    };
    return GenerateObservable;
}(Observable));
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