Type Parameters
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P extends PromiseLike<T>
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T = Awaited<P>
Parameters
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promise: P
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Optional callback: ((err, value) => any)
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- (err, value): any
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Parameters
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err: any
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value: undefined | T
Returns any
Returns PromiseLike<T> | P
Promise object on which the callback is integrated
Helper method to support old NodeJS callback style on promises