Function bigIntToStringTransform

bigIntToStringTransform<
    T extends { [k in string
    | number
    | symbol]?: null | string },
    K extends string | number | symbol,
>(
    propName: K,
): (this: T, bigint: bigint | Extract<T[K], undefined | null>) => void
Transforms a BigInt to a string (action).
Type Parameters
- T extends { [k in string | number | symbol]?: null | string }
- K extends string | number | symbol
Parameters
- propName: K
  The name of the property to transform
Returns (this: T, bigint: bigint | Extract<T[K], undefined | null>) => void
A function that sets the BigInt argument into the string property