#Function: defineSinglePromiseFn()

defineSinglePromiseFn(fn): () => Promise<any>

defineSinglePromiseFn ensures that the provided function can only be called once at a time. If the function is invoked while it's still executing, it returns the same promise, avoiding multiple calls.

#Parameters

#fn

Fn

The function to be wrapped, which returns a promise.

#Returns

A function that ensures the provided function is only executed once and returns a promise.

() => Promise<any>