feat: persist hydrogen order pages

src/modules/energy/hydrogen-drill-context.ts

@@ -12,6 +12,7 @@ export interface HydrogenDrillContext {
   startDate?: string;
   endDate?: string;
   selectedDate?: string;
+  orderPage?: number;
 }
 
 interface LocationParts {
@@ -74,6 +75,8 @@ export function parseHydrogenDrillContext(search: string): HydrogenDrillContext
   const rangeEnd = startDate && endDate ? (startDate <= endDate ? endDate : startDate) : undefined;
   if (selectedDate && (!rangeStart || !rangeEnd || (selectedDate >= rangeStart && selectedDate <= rangeEnd))) {
     context.selectedDate = selectedDate;
+    const orderPage = positiveInteger(params.get('hydrogenPage'));
+    if (orderPage && orderPage > 1) context.orderPage = orderPage;
   }
   return context;
 }
@@ -93,6 +96,7 @@ export function buildHydrogenDrillUrl(
     'hydrogenStart',
     'hydrogenEnd',
     'hydrogenDate',
+    'hydrogenPage',
   ]) {
     params.delete(key);
   }
@@ -110,6 +114,9 @@ export function buildHydrogenDrillUrl(
   if (context.startDate) params.set('hydrogenStart', context.startDate);
   if (context.endDate) params.set('hydrogenEnd', context.endDate);
   if (context.selectedDate) params.set('hydrogenDate', context.selectedDate);
+  if (context.selectedDate && context.orderPage && context.orderPage > 1) {
+    params.set('hydrogenPage', String(context.orderPage));
+  }
 
   const query = params.toString();
   return `${location.pathname}${query ? `?${query}` : ''}${location.hash}`;