Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Tests/builtins/JSON/JSON.stringify-space.js

@@ -0,0 +1,47 @@
+test("basic functionality", () => {
+    let o = {
+        foo: 1,
+        bar: "baz",
+        qux: {
+            get x() {
+                return 10;
+            },
+            y() {
+                return 20;
+            },
+            arr: [1, 2, 3],
+        },
+    };
+
+    let string = JSON.stringify(o, null, 4);
+    let expected = `{
+    "foo": 1,
+    "bar": "baz",
+    "qux": {
+        "x": 10,
+        "arr": [
+            1,
+            2,
+            3
+        ]
+    }
+}`;
+
+    expect(string).toBe(expected);
+
+    string = JSON.stringify(o, null, "abcd");
+    expected = `{
+abcd"foo": 1,
+abcd"bar": "baz",
+abcd"qux": {
+abcdabcd"x": 10,
+abcdabcd"arr": [
+abcdabcdabcd1,
+abcdabcdabcd2,
+abcdabcdabcd3
+abcdabcd]
+abcd}
+}`;
+
+    expect(string).toBe(expected);
+});