index-map
A bi-directional map that allow to create a link between index and object, so that you can retrieve either one if you know the other element.
How to use
const map = new IndexMap();
const index = "myIndex";
const object = {"test": true};
map.set(index, object);
map.has(index); // true
map.has(object); // true
map.get(index).test // true
map.get(object); // "myIndex"
map.delete(index);
// or
map.delete(object);