@atlaskit/pragmatic-drag-and-drop-hitbox/dist/esm/internal/stable.js

An optional package for Pragmatic drag and drop that enables the attaching of interaction information to a drop target

import { isShallowEqual } from './isShallowEqual';
/**
 * Used to store a stable object, which returns a new object only if one of the values has changed
 */
// eslint-disable-next-line @atlaskit/volt-strict-mode/no-multiple-exports
export function stable() {
  var isEqual = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : isShallowEqual;
  var cache = null;
  return function (value) {
    if (cache && isEqual(cache.value, value)) {
      return cache.value;
    }
    cache = {
      value: value
    };
    return cache.value;
  };
}