[6a3a178] | 1 | /** PURE_IMPORTS_START tslib,_Action PURE_IMPORTS_END */
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| 2 | import * as tslib_1 from "tslib";
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| 3 | import { Action } from './Action';
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| 4 | var AsyncAction = /*@__PURE__*/ (function (_super) {
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| 5 | tslib_1.__extends(AsyncAction, _super);
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| 6 | function AsyncAction(scheduler, work) {
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| 7 | var _this = _super.call(this, scheduler, work) || this;
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| 8 | _this.scheduler = scheduler;
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| 9 | _this.work = work;
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| 10 | _this.pending = false;
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| 11 | return _this;
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| 12 | }
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| 13 | AsyncAction.prototype.schedule = function (state, delay) {
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| 14 | if (delay === void 0) {
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| 15 | delay = 0;
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| 16 | }
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| 17 | if (this.closed) {
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| 18 | return this;
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| 19 | }
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| 20 | this.state = state;
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| 21 | var id = this.id;
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| 22 | var scheduler = this.scheduler;
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| 23 | if (id != null) {
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| 24 | this.id = this.recycleAsyncId(scheduler, id, delay);
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| 25 | }
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| 26 | this.pending = true;
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| 27 | this.delay = delay;
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| 28 | this.id = this.id || this.requestAsyncId(scheduler, this.id, delay);
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| 29 | return this;
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| 30 | };
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| 31 | AsyncAction.prototype.requestAsyncId = function (scheduler, id, delay) {
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| 32 | if (delay === void 0) {
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| 33 | delay = 0;
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| 34 | }
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| 35 | return setInterval(scheduler.flush.bind(scheduler, this), delay);
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| 36 | };
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| 37 | AsyncAction.prototype.recycleAsyncId = function (scheduler, id, delay) {
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| 38 | if (delay === void 0) {
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| 39 | delay = 0;
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| 40 | }
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| 41 | if (delay !== null && this.delay === delay && this.pending === false) {
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| 42 | return id;
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| 43 | }
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| 44 | clearInterval(id);
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| 45 | return undefined;
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| 46 | };
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| 47 | AsyncAction.prototype.execute = function (state, delay) {
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| 48 | if (this.closed) {
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| 49 | return new Error('executing a cancelled action');
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| 50 | }
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| 51 | this.pending = false;
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| 52 | var error = this._execute(state, delay);
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| 53 | if (error) {
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| 54 | return error;
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| 55 | }
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| 56 | else if (this.pending === false && this.id != null) {
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| 57 | this.id = this.recycleAsyncId(this.scheduler, this.id, null);
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| 58 | }
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| 59 | };
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| 60 | AsyncAction.prototype._execute = function (state, delay) {
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| 61 | var errored = false;
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| 62 | var errorValue = undefined;
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| 63 | try {
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| 64 | this.work(state);
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| 65 | }
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| 66 | catch (e) {
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| 67 | errored = true;
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| 68 | errorValue = !!e && e || new Error(e);
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| 69 | }
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| 70 | if (errored) {
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| 71 | this.unsubscribe();
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| 72 | return errorValue;
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| 73 | }
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| 74 | };
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| 75 | AsyncAction.prototype._unsubscribe = function () {
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| 76 | var id = this.id;
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| 77 | var scheduler = this.scheduler;
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| 78 | var actions = scheduler.actions;
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| 79 | var index = actions.indexOf(this);
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| 80 | this.work = null;
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| 81 | this.state = null;
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| 82 | this.pending = false;
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| 83 | this.scheduler = null;
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| 84 | if (index !== -1) {
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| 85 | actions.splice(index, 1);
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| 86 | }
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| 87 | if (id != null) {
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| 88 | this.id = this.recycleAsyncId(scheduler, id, null);
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| 89 | }
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| 90 | this.delay = null;
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| 91 | };
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| 92 | return AsyncAction;
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| 93 | }(Action));
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| 94 | export { AsyncAction };
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| 95 | //# sourceMappingURL=AsyncAction.js.map
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