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node_modules/rxjs/_esm5/scheduler/VirtualTimeScheduler.js

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+/** PURE_IMPORTS_START ._AsyncAction,._AsyncScheduler 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 { AsyncAction } from './AsyncAction';
+import { AsyncScheduler } from './AsyncScheduler';
+export var VirtualTimeScheduler = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
+    __extends(VirtualTimeScheduler, _super);
+    function VirtualTimeScheduler(SchedulerAction, maxFrames) {
+        var _this = this;
+        if (SchedulerAction === void 0) {
+            SchedulerAction = VirtualAction;
+        }
+        if (maxFrames === void 0) {
+            maxFrames = Number.POSITIVE_INFINITY;
+        }
+        _super.call(this, SchedulerAction, function () { return _this.frame; });
+        this.maxFrames = maxFrames;
+        this.frame = 0;
+        this.index = -1;
+    }
+    /**
+     * Prompt the Scheduler to execute all of its queued actions, therefore
+     * clearing its queue.
+     * @return {void}
+     */
+    VirtualTimeScheduler.prototype.flush = function () {
+        var _a = this, actions = _a.actions, maxFrames = _a.maxFrames;
+        var error, action;
+        while ((action = actions.shift()) && (this.frame = action.delay) <= maxFrames) {
+            if (error = action.execute(action.state, action.delay)) {
+                break;
+            }
+        }
+        if (error) {
+            while (action = actions.shift()) {
+                action.unsubscribe();
+            }
+            throw error;
+        }
+    };
+    VirtualTimeScheduler.frameTimeFactor = 10;
+    return VirtualTimeScheduler;
+}(AsyncScheduler));
+/**
+ * We need this JSDoc comment for affecting ESDoc.
+ * @ignore
+ * @extends {Ignored}
+ */
+export var VirtualAction = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
+    __extends(VirtualAction, _super);
+    function VirtualAction(scheduler, work, index) {
+        if (index === void 0) {
+            index = scheduler.index += 1;
+        }
+        _super.call(this, scheduler, work);
+        this.scheduler = scheduler;
+        this.work = work;
+        this.index = index;
+        this.active = true;
+        this.index = scheduler.index = index;
+    }
+    VirtualAction.prototype.schedule = function (state, delay) {
+        if (delay === void 0) {
+            delay = 0;
+        }
+        if (!this.id) {
+            return _super.prototype.schedule.call(this, state, delay);
+        }
+        this.active = false;
+        // If an action is rescheduled, we save allocations by mutating its state,
+        // pushing it to the end of the scheduler queue, and recycling the action.
+        // But since the VirtualTimeScheduler is used for testing, VirtualActions
+        // must be immutable so they can be inspected later.
+        var action = new VirtualAction(this.scheduler, this.work);
+        this.add(action);
+        return action.schedule(state, delay);
+    };
+    VirtualAction.prototype.requestAsyncId = function (scheduler, id, delay) {
+        if (delay === void 0) {
+            delay = 0;
+        }
+        this.delay = scheduler.frame + delay;
+        var actions = scheduler.actions;
+        actions.push(this);
+        actions.sort(VirtualAction.sortActions);
+        return true;
+    };
+    VirtualAction.prototype.recycleAsyncId = function (scheduler, id, delay) {
+        if (delay === void 0) {
+            delay = 0;
+        }
+        return undefined;
+    };
+    VirtualAction.prototype._execute = function (state, delay) {
+        if (this.active === true) {
+            return _super.prototype._execute.call(this, state, delay);
+        }
+    };
+    VirtualAction.sortActions = function (a, b) {
+        if (a.delay === b.delay) {
+            if (a.index === b.index) {
+                return 0;
+            }
+            else if (a.index > b.index) {
+                return 1;
+            }
+            else {
+                return -1;
+            }
+        }
+        else if (a.delay > b.delay) {
+            return 1;
+        }
+        else {
+            return -1;
+        }
+    };
+    return VirtualAction;
+}(AsyncAction));
+//# sourceMappingURL=VirtualTimeScheduler.js.map