Function stringToBigIntTransform

stringToBigIntTransform<
    T extends { [k in string
    | number
    | symbol]?: null | string },
    K extends string | number | symbol,
>(
    propName: K,
): (this: T) => bigint | Extract<T[K], undefined | null>
Transforms a string to a BigInt (getter).
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 | Extract<T[K], undefined | null>
A function that transforms the string property into a BigInt