add login/sign-up page with dark/light mode

node_modules/es-abstract/2022/AddToKeptObjects.js

@@ -0,0 +1,18 @@
+'use strict';
+
+var SLOT = require('internal-slot');
+
+var $TypeError = require('es-errors/type');
+var isObject = require('es-object-atoms/isObject');
+
+var ClearKeptObjects = require('./ClearKeptObjects');
+
+// https://262.ecma-international.org/12.0/#sec-addtokeptobjects
+
+module.exports = function AddToKeptObjects(object) {
+	if (!isObject(object)) {
+		throw new $TypeError('Assertion failed: `object` must be an Object');
+	}
+	var arr = SLOT.get(ClearKeptObjects, '[[es-abstract internal: KeptAlive]]');
+	arr[arr.length] = object;
+};