AsyncScheduler.js 2.4 KB

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  1. "use strict";
  2. var __extends = (this && this.__extends) || (function () {
  3. var extendStatics = function (d, b) {
  4. extendStatics = Object.setPrototypeOf ||
  5. ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
  6. function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
  7. return extendStatics(d, b);
  8. }
  9. return function (d, b) {
  10. extendStatics(d, b);
  11. function __() { this.constructor = d; }
  12. d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  13. };
  14. })();
  15. Object.defineProperty(exports, "__esModule", { value: true });
  16. var Scheduler_1 = require("../Scheduler");
  17. var AsyncScheduler = (function (_super) {
  18. __extends(AsyncScheduler, _super);
  19. function AsyncScheduler(SchedulerAction, now) {
  20. if (now === void 0) { now = Scheduler_1.Scheduler.now; }
  21. var _this = _super.call(this, SchedulerAction, function () {
  22. if (AsyncScheduler.delegate && AsyncScheduler.delegate !== _this) {
  23. return AsyncScheduler.delegate.now();
  24. }
  25. else {
  26. return now();
  27. }
  28. }) || this;
  29. _this.actions = [];
  30. _this.active = false;
  31. _this.scheduled = undefined;
  32. return _this;
  33. }
  34. AsyncScheduler.prototype.schedule = function (work, delay, state) {
  35. if (delay === void 0) { delay = 0; }
  36. if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {
  37. return AsyncScheduler.delegate.schedule(work, delay, state);
  38. }
  39. else {
  40. return _super.prototype.schedule.call(this, work, delay, state);
  41. }
  42. };
  43. AsyncScheduler.prototype.flush = function (action) {
  44. var actions = this.actions;
  45. if (this.active) {
  46. actions.push(action);
  47. return;
  48. }
  49. var error;
  50. this.active = true;
  51. do {
  52. if (error = action.execute(action.state, action.delay)) {
  53. break;
  54. }
  55. } while (action = actions.shift());
  56. this.active = false;
  57. if (error) {
  58. while (action = actions.shift()) {
  59. action.unsubscribe();
  60. }
  61. throw error;
  62. }
  63. };
  64. return AsyncScheduler;
  65. }(Scheduler_1.Scheduler));
  66. exports.AsyncScheduler = AsyncScheduler;
  67. //# sourceMappingURL=AsyncScheduler.js.map