@toolpad/utils/modern/objectKey.js

Shared utilities used by Toolpad packages.

const weakMap = new WeakMap();
let nextId = 0;
function getNextId() {
  const id = `object-id::${nextId}`;
  nextId += 1;
  return id;
}

/**
 * Used to generate ids for object instances.
 */
export function getObjectKey(object) {
  let id = weakMap.get(object);
  if (!id) {
    id = getNextId();
    weakMap.set(object, id);
  }
  return id;
}