fix: many bug fixes and some performance improvements

Co-authored-by: Alex Sparkes <turbomarshmello@gmail.com>

src/modules/helpers/date.js

@@ -0,0 +1,18 @@
+export default class Date {
+  static nth(d) {
+    if (d > 3 && d < 21) {
+      return d + 'th';
+    }
+
+    switch (d % 10) {
+      case 1:
+        return d + 'st';
+      case 2:
+        return d + 'nd';
+      case 3:
+        return d + 'rd';
+      default:
+        return d + 'th';
+    }
+  }
+}