Function ifExistsThen

ifExistsThen<T>(callback: (value: T) => void, value?: T): value is T
Executes a callback if the value exists
Type Parameters
- T
  The type of the value
Parameters
- callback: (value: T) => void
  The callback function to execute
- Optionalvalue: T
  The value to check (optional)
Returns value is T
True if the value exists and callback was executed, false otherwise
- Defined in foundation/misc/MiscUtil.ts:244