generated from ShadowVR/AI_botter
49 lines
1.6 KiB
TypeScript
49 lines
1.6 KiB
TypeScript
/**
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* The `DeferredPromise` has a `promise` property in an initially pending state,
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* that will be resolved when the `done` method is called or rejected when the
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* `fail` method is called.
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*/
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export interface DeferredPromise<RESOLVES, REJECTS extends Error = Error> {
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done(result: RESOLVES): void;
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fail(error: REJECTS): void;
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readonly status: DeferredPromiseStatus;
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readonly fulfilled: boolean;
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promise: Promise<RESOLVES>;
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}
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/**
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* The three states the DeferredPromise can be in - initially pending then either
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* resolved or rejected when it is fulfilled.
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*
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* ```typescript
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import {createDeferred, DeferredPromiseStatus} from '@kwsites/promise-deferred`;
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const pending: DeferredPromiseStatus = 'pending';
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expect(createDeferred()).toHaveProperty('status', pending);
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```
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*/
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export declare type DeferredPromiseStatus = 'pending' | 'resolved' | 'rejected';
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/**
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* Creates a new `DeferredPromise`
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*
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* ```typescript
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import {deferred} from '@kwsites/promise-deferred`;
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```
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*/
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export declare function deferred<T extends any = void, E extends Error = Error>(): DeferredPromise<T, E>;
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/**
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* Alias of the exported `deferred` function, to help consumers wanting to use `deferred` as the
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* local variable name rather than the factory import name, without needing to rename on import.
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*
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* ```typescript
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import {createDeferred} from '@kwsites/promise-deferred`;
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```
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*/
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export declare const createDeferred: typeof deferred;
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/**
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* Default export allows use as:
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*
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* ```typescript
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import deferred from '@kwsites/promise-deferred`;
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```
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*/
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export default deferred;
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