1 line
2.4 KiB
JSON
1 line
2.4 KiB
JSON
{"ast":null,"code":"import { Action } from './Action';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nexport class AsyncAction extends Action {\n constructor(scheduler, work) {\n super(scheduler, work);\n this.scheduler = scheduler;\n this.work = work;\n this.pending = false;\n }\n schedule(state, delay = 0) {\n var _a;\n if (this.closed) {\n return this;\n }\n this.state = state;\n const id = this.id;\n const scheduler = this.scheduler;\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n this.pending = true;\n this.delay = delay;\n this.id = (_a = this.id) !== null && _a !== void 0 ? _a : this.requestAsyncId(scheduler, this.id, delay);\n return this;\n }\n requestAsyncId(scheduler, _id, delay = 0) {\n return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n }\n recycleAsyncId(_scheduler, id, delay = 0) {\n if (delay != null && this.delay === delay && this.pending === false) {\n return id;\n }\n if (id != null) {\n intervalProvider.clearInterval(id);\n }\n return undefined;\n }\n execute(state, delay) {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n this.pending = false;\n const error = this._execute(state, delay);\n if (error) {\n return error;\n } else if (this.pending === false && this.id != null) {\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n }\n _execute(state, _delay) {\n let errored = false;\n let errorValue;\n try {\n this.work(state);\n } catch (e) {\n errored = true;\n errorValue = e ? e : new Error('Scheduled action threw falsy error');\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n }\n unsubscribe() {\n if (!this.closed) {\n const {\n id,\n scheduler\n } = this;\n const {\n actions\n } = scheduler;\n this.work = this.state = this.scheduler = null;\n this.pending = false;\n arrRemove(actions, this);\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n this.delay = null;\n super.unsubscribe();\n }\n }\n}\n//# sourceMappingURL=AsyncAction.js.map","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]} |