@ue-too/board / Observer

Type Alias: Observer()<T>

Observer<T> = (...data) => void

Defined in: packages/board/src/utils/observable.ts:25

Type definition for an observer callback function.

Type Parameters

T

T extends any[]

Tuple type of arguments passed to the observer

Parameters

data

...T

Returns

void

Remarks

Observers are callbacks that get notified when an Observable emits data. The generic type T is a tuple representing the arguments passed to the callback.

Example

// Observer that receives a single string
const stringObserver: Observer<[string]> = (message) => {
  console.log(message);
};

// Observer that receives multiple arguments
const multiObserver: Observer<[number, string, boolean]> = (num, str, flag) => {
  console.log(num, str, flag);
};