minBy
Finds the element in an array that has the minimum value when applying the getValue function to each element.
Signature
typescript
function minBy<T>(items: [T, ...T[]], getValue: (element: T) => number): T;
function minBy<T>(items: T[], getValue: (element: T) => number): T | undefined;Parameters
items(T[]): The array of elements to search.getValue((item: T) => number): A function that selects a numeric value from each element.
Returns
(T): The element with the minimum value as determined by the getValue function.
Example
typescript
minBy([{ a: 1 }, { a: 2 }, { a: 3 }], x => x.a); // Returns: { a: 1 }
minBy([], x => x.a); // Returns: undefined