pagination + sql expressions + frontend improvements

react/shared/hooks/current-path.js

@@ -0,0 +1,21 @@
+import {useLocation, useParams} from "react-router-dom";
+
+
+export default function useCurrentPath() {
+    const location = useLocation();
+    const params = useParams();
+
+    const { pathname } = location;
+
+    if (!Object.keys(params).length) {
+        return pathname; // we don't need to replace anything
+    }
+
+    let path = pathname;
+    Object.entries(params).forEach(([paramName, paramValue]) => {
+        if (paramValue) {
+            path = path.replace(paramValue, `:${paramName}`);
+        }
+    });
+    return path;
+}