init: working version

services/Requests.qml

@@ -0,0 +1,36 @@
+pragma Singleton
+
+import qs.config
+import qs.util
+import Quickshell
+
+Singleton {
+    id: root
+
+    function get(url: string, callback: var): void {
+        const xhr = new XMLHttpRequest();
+
+        const cleanup = () => {
+            xhr.abort();
+            xhr.onreadystatechange = null;
+            xhr.onerror = null;
+        };
+
+        xhr.open("GET", url, true);
+        xhr.onreadystatechange = () => {
+            if (xhr.readyState === XMLHttpRequest.DONE) {
+                if (xhr.status === 200)
+                    callback(xhr.responseText);
+                else
+                    console.warn(`[REQUESTS] GET request to ${url} failed with status ${xhr.status}`);
+                cleanup();
+            }
+        };
+        xhr.onerror = () => {
+            console.warn(`[REQUESTS] GET request to ${url} failed`);
+            cleanup();
+        };
+
+        xhr.send();
+    }
+}