decompose structure

src/features/history/dateRange.ts

@@ -0,0 +1,23 @@
+import { toInputDateTimeValue } from '../../utils/format';
+
+export type DateRangeState = {
+  from: string;
+  to: string;
+};
+
+export const RANGE_PRESETS = [
+  { id: '1h', label: '1 час', hours: 1 },
+  { id: '6h', label: '6 часов', hours: 6 },
+  { id: '24h', label: '24 часа', hours: 24 },
+  { id: '7d', label: '7 дней', hours: 24 * 7 },
+  { id: '30d', label: '30 дней', hours: 24 * 30 },
+] as const;
+
+export function createRange(hours: number): DateRangeState {
+  const to = new Date();
+  const from = new Date(to.getTime() - hours * 60 * 60 * 1000);
+  return {
+    from: toInputDateTimeValue(from),
+    to: toInputDateTimeValue(to),
+  };
+}