90 lines
No EOL
3.1 KiB
JavaScript
90 lines
No EOL
3.1 KiB
JavaScript
import { __extends } from "tslib";
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import { Action } from './Action';
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import { intervalProvider } from './intervalProvider';
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import { arrRemove } from '../util/arrRemove';
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var AsyncAction = (function (_super) {
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__extends(AsyncAction, _super);
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function AsyncAction(scheduler, work) {
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var _this = _super.call(this, scheduler, work) || this;
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_this.scheduler = scheduler;
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_this.work = work;
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_this.pending = false;
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return _this;
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}
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AsyncAction.prototype.schedule = function (state, delay) {
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var _a;
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if (delay === void 0) { delay = 0; }
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if (this.closed) {
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return this;
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}
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this.state = state;
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var id = this.id;
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var scheduler = this.scheduler;
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if (id != null) {
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this.id = this.recycleAsyncId(scheduler, id, delay);
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}
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this.pending = true;
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this.delay = delay;
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this.id = (_a = this.id) !== null && _a !== void 0 ? _a : this.requestAsyncId(scheduler, this.id, delay);
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return this;
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};
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AsyncAction.prototype.requestAsyncId = function (scheduler, _id, delay) {
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if (delay === void 0) { delay = 0; }
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return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);
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};
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AsyncAction.prototype.recycleAsyncId = function (_scheduler, id, delay) {
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if (delay === void 0) { delay = 0; }
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if (delay != null && this.delay === delay && this.pending === false) {
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return id;
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}
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if (id != null) {
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intervalProvider.clearInterval(id);
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}
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return undefined;
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};
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AsyncAction.prototype.execute = function (state, delay) {
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if (this.closed) {
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return new Error('executing a cancelled action');
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}
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this.pending = false;
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var error = this._execute(state, delay);
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if (error) {
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return error;
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}
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else if (this.pending === false && this.id != null) {
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this.id = this.recycleAsyncId(this.scheduler, this.id, null);
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}
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};
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AsyncAction.prototype._execute = function (state, _delay) {
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var errored = false;
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var errorValue;
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try {
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this.work(state);
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}
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catch (e) {
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errored = true;
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errorValue = e ? e : new Error('Scheduled action threw falsy error');
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}
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if (errored) {
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this.unsubscribe();
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return errorValue;
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}
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};
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AsyncAction.prototype.unsubscribe = function () {
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if (!this.closed) {
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var _a = this, id = _a.id, scheduler = _a.scheduler;
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var actions = scheduler.actions;
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this.work = this.state = this.scheduler = null;
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this.pending = false;
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arrRemove(actions, this);
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if (id != null) {
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this.id = this.recycleAsyncId(scheduler, id, null);
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}
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this.delay = null;
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_super.prototype.unsubscribe.call(this);
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}
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};
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return AsyncAction;
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}(Action));
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export { AsyncAction };
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//# sourceMappingURL=AsyncAction.js.map
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