add function to objectify input

Author: lobsterkatie

packages/utils/src/object.ts

@@ -398,3 +398,22 @@ export function dropUndefinedKeys<T>(val: T): T {
 
   return val;
 }
+
+/**
+ * Ensure that something is an object.
+ *
+ * Turns `undefined` and `null` into `String`s and all other primitives into instances of their respective wrapper
+ * classes (String, Boolean, Number, etc.). Acts as the identity function on non-primitives.
+ *
+ * @param wat The subject of the objectification
+ * @returns A version of "wat` which can safely be used with `Object` class methods
+ */
+export function objectify(wat: unknown): typeof Object {
+  return typeof wat === undefined || typeof wat === null
+    ? new String(wat)
+    : isPrimitive(wat)
+    ? // dummy comment necessary for prettier not to break the @ts-ignore
+      // @ts-ignore TS reads the constructor as a plain function rather than something "constructible"
+      new wat.constructor(wat)
+    : wat;
+}