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40 lines
1.6 KiB
TypeScript
40 lines
1.6 KiB
TypeScript
import { AsapScheduler } from './AsapScheduler';
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/**
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*
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* Asap Scheduler
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*
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* <span class="informal">Perform task as fast as it can be performed asynchronously</span>
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*
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* `asap` scheduler behaves the same as {@link asyncScheduler} scheduler when you use it to delay task
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* in time. If however you set delay to `0`, `asap` will wait for current synchronously executing
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* code to end and then it will try to execute given task as fast as possible.
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*
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* `asap` scheduler will do its best to minimize time between end of currently executing code
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* and start of scheduled task. This makes it best candidate for performing so called "deferring".
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* Traditionally this was achieved by calling `setTimeout(deferredTask, 0)`, but that technique involves
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* some (although minimal) unwanted delay.
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*
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* Note that using `asap` scheduler does not necessarily mean that your task will be first to process
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* after currently executing code. In particular, if some task was also scheduled with `asap` before,
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* that task will execute first. That being said, if you need to schedule task asynchronously, but
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* as soon as possible, `asap` scheduler is your best bet.
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*
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* ## Example
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* Compare async and asap scheduler<
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* ```ts
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* import { asapScheduler, asyncScheduler } from 'rxjs';
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*
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* asyncScheduler.schedule(() => console.log('async')); // scheduling 'async' first...
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* asapScheduler.schedule(() => console.log('asap'));
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*
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* // Logs:
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* // "asap"
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* // "async"
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* // ... but 'asap' goes first!
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* ```
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* @static true
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* @name asap
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* @owner Scheduler
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*/
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export declare const asap: AsapScheduler;
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