"use strict";

// TODO: Move this to a stand-alone package, so that it can be reused elsewhere

if (global.__objectID_map == null) {
	// Yes, these are deliberately global - we want to ensure that the same value gets the same assigned ID, regardless of where in the dependency tree this ID is obtained
	global.__objectID_map = new WeakMap();
	global.__objectID_i = 0;
}

module.exports = function objectID(value) {
	if (!global.__objectID_map.has(value)) {
		global.__objectID_map.set(value, global.__objectID_i++);
	}
	
	return global.__objectID_map.get(value);
};