Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/93712b24bf2
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Tests/operators/void-basic.js

@@ -0,0 +1,26 @@
+test("basic functionality", () => {
+    expect(void "").toBeUndefined();
+    expect(void "foo").toBeUndefined();
+    expect(void 1).toBeUndefined();
+    expect(void 42).toBeUndefined();
+    expect(void true).toBeUndefined();
+    expect(void false).toBeUndefined();
+    expect(void null).toBeUndefined();
+    expect(void undefined).toBeUndefined();
+    expect(void function () {}).toBeUndefined();
+    expect(void (() => {})).toBeUndefined();
+    expect(void (() => "hello friends")()).toBeUndefined();
+    expect((() => void "hello friends")()).toBeUndefined();
+});
+
+describe("errors", () => {
+    test("treats yield in generator as non variable", () => {
+        expect("function f() { void yield; }").toEval();
+        expect("async function f() { void yield; }").toEval();
+        expect("function *f() { void yield; }").not.toEval();
+        expect("async function *f() { void yield; }").not.toEval();
+
+        expect("class C { *f() { void yield; } }").not.toEval();
+        expect("var obj = { async function *f() { void yield; } }").not.toEval();
+    });
+});