work.suroh.tk/node_modules/rxjs/_esm5/scheduler/VirtualTimeScheduler.js

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2019-12-02 12:22:45 +00:00
/** 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));
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