Port settings.

src/lib/debounce.ts

@@ -0,0 +1,15 @@
+export function debounce(cb: Function, duration: number) {
+    // Store the timer variable.
+    let timer: number;
+    // This function is given to React.
+    return (...args: any[]) => {
+        // Get rid of the old timer.
+        clearTimeout(timer);
+        // Set a new timer.
+        timer = setTimeout(() => {
+            // Instead calling the new function.
+            // (with the newer data)
+            cb(...args);
+        }, duration);
+    };
+}