Class DeferredPromise<T>

constructor

• new DeferredPromise<T>(): DeferredPromise<T>

• Type Parameters

  • T

  Returns DeferredPromise<T>

instance

state

isFulfilled

• get isFulfilled(): boolean

• Returns boolean

isPending

• get isPending(): boolean

• Returns boolean

isRejected

• get isRejected(): boolean

• Returns boolean

isResolved

• get isResolved(): boolean

• Returns boolean

catch

• catch<TResult>(onrejected?): DeferredPromise<T>

• Attaches a callback for only the rejection of the Promise.

  Type Parameters

  • TResult = never

  Parameters

  • Optional onrejected: null | ((reason) => TResult | PromiseLike<TResult>)

    The callback to execute when the Promise is rejected.

  Returns DeferredPromise<T>

  A Promise for the completion of the callback.

finally

• finally(onfinally?): DeferredPromise<T>

• Attaches a callback that is invoked when the Promise is settled (fulfilled or rejected). The resolved value cannot be modified from the callback.

  Parameters

  • Optional onfinally: null | (() => void)

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

  Returns DeferredPromise<T>

  A Promise for the completion of the callback.

reject

• reject(reason?): void

• Parameters

  • Optional reason: any

  Returns void

resolve

• resolve(value): void

• Parameters

  • value: T | PromiseLike<T>

  Returns void

then

• then<TResult1, TResult2>(onfulfilled?, onrejected?): DeferredPromise<T>

• Attaches callbacks for the resolution and/or rejection of the Promise.

  Type Parameters

  • TResult1 = T

  • TResult2 = never

  Parameters

  • Optional onfulfilled: null | ((value) => TResult1 | PromiseLike<TResult1>)

    The callback to execute when the Promise is resolved.

  • Optional onrejected: null | ((reason) => TResult2 | PromiseLike<TResult2>)

    The callback to execute when the Promise is rejected.

  Returns DeferredPromise<T>

  A Promise for the completion of which ever callback is executed.