lastSelectedIndex

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

Returns the index of the most recently selected item within the selectables array.

Returns -1 if there is no selection.

Example

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

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

LSM.lastSelectedIndex(lsm); // -1

lsm = LSM.goTo(lsm, "b");
LSM.lastSelectedIndex(lsm); // 1

lsm = LSM.selectNext(lsm);
LSM.lastSelectedIndex(lsm); // 2