Web3DeferredPromise <T>

The class is a simple implementation of a deferred promise with optional timeout functionality, which can be useful when dealing with asynchronous tasks.

Implements

• Promise<T>
• Web3DeferredPromiseInterface<T>

Index

Constructors

• constructor

Properties

• [toStringTag]

Accessors

• state

Methods

• catch
• finally
• reject
• resolve
• startTimer
• then

Constructors

publicconstructor

• new Web3DeferredPromise<T>(__namedParameters?: { eagerStart: boolean; timeout: number; timeoutMessage: string }): Web3DeferredPromise<T>

• Type parameters

  • T

  Parameters

  • __namedParameters: { eagerStart: boolean; timeout: number; timeoutMessage: string } = ...

  Returns Web3DeferredPromise<T>

Properties

public[toStringTag]

[toStringTag]: Promise = 'Promise'

Implementation of Promise.[toStringTag]

Accessors

publicstate

• get state(): pending | fulfilled | rejected

• Implementation of Web3DeferredPromiseInterface.state

  Returns the current state of the promise.

  ---

  Returns pending | fulfilled | rejected

  'pending' | 'fulfilled' | 'rejected'

Methods

publiccatch

• catch<TResult>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>): Promise<T | TResult>

• Implementation of Promise.catch

  ---

  Type parameters

  • TResult

  Parameters

  • optionalonrejected: (reason: any) => TResult | PromiseLike<TResult>

    (optional) The callback to execute when the promise is rejected.

  Returns Promise<T | TResult>

publicfinally

• finally(onfinally?: () => void): Promise<T>

• Implementation of Promise.finally

  ---

  Parameters

  • optionalonfinally: () => void

    (optional) The callback to execute when the promise is settled (fulfilled or rejected).

  Returns Promise<T>

publicreject

• reject(reason?: unknown): void

• Implementation of Web3DeferredPromiseInterface.reject

  Rejects the current promise.

  ---

  Parameters

  • optionalreason: unknown

    The reason to reject the promise with.

  Returns void

publicresolve

• resolve(value: T | PromiseLike<T>): void

• Implementation of Web3DeferredPromiseInterface.resolve

  Resolves the current promise.

  ---

  Parameters

  • value: T | PromiseLike<T>

    The value to resolve the promise with.

  Returns void

publicstartTimer

• startTimer(): void

• Implementation of Web3DeferredPromiseInterface.startTimer

  Starts the timeout timer for the promise.

  ---

  Returns void

publicthen

• then<TResult1, TResult2>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: unknown) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>

• Implementation of Promise.then

  ---

  Type parameters

  • TResult1
  • TResult2

  Parameters

  • optionalonfulfilled: (value: T) => TResult1 | PromiseLike<TResult1>

    (optional) The callback to execute when the promise is fulfilled.

  • optionalonrejected: (reason: unknown) => TResult2 | PromiseLike<TResult2>

    (optional) The callback to execute when the promise is rejected.

  Returns Promise<TResult1 | TResult2>