focusIndex

function LSM.focusIndex<T>(lsm: LSM<T>): number;

Returns the index of the current focus within the selectables array.

Returns -1 if there is no focus.

Example

import { LSM } from "@monstermann/lsm";

let lsm = LSM.create(["a", "b", "c", "d", "e"]);
lsm = LSM.goTo(lsm, "b");
lsm = LSM.selectNext(lsm);

LSM.focusIndex(lsm); // 2 (index of "c")