Upgraded next and prisma. Replaced moment-timezone.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "umami",
-  "version": "2.14.0",
+  "version": "2.15.0",
   "description": "A simple, fast, privacy-focused alternative to Google Analytics.",
   "author": "Umami Software, Inc. <[email protected]>",
   "license": "MIT",
@@ -69,11 +69,12 @@
     "@dicebear/collection": "^9.2.1",
     "@dicebear/core": "^9.2.1",
     "@fontsource/inter": "^4.5.15",
-    "@prisma/client": "5.17",
+    "@prisma/client": "5.22.0",
     "@prisma/extension-read-replicas": "^0.3.0",
     "@react-spring/web": "^9.7.3",
     "@tanstack/react-query": "^5.28.6",
     "@umami/prisma-client": "^0.14.0",
+    "@umami/react-zen": "^0.16.0",
     "@umami/redis-client": "^0.21.0",
     "chalk": "^4.1.1",
     "chart.js": "^4.4.2",
@@ -99,12 +100,11 @@
     "kafkajs": "^2.1.0",
     "maxmind": "^4.3.6",
     "md5": "^2.3.0",
-    "moment-timezone": "^0.5.35",
-    "next": "14.2.10",
+    "next": "15.0.3",
     "next-basics": "^0.39.0",
     "node-fetch": "^3.2.8",
     "npm-run-all": "^4.1.5",
-    "prisma": "5.17",
+    "prisma": "5.22.0",
     "react": "^18.2.0",
     "react-basics": "^0.125.0",
     "react-beautiful-dnd": "^13.1.0",

src/app/(main)/profile/TimezoneSetting.tsx

@@ -1,11 +1,10 @@
 import { useState } from 'react';
 import { Dropdown, Item, Button, Flexbox } from 'react-basics';
-import moment from 'moment-timezone';
 import { useTimezone, useMessages } from 'components/hooks';
 import { getTimezone } from 'lib/date';
 import styles from './TimezoneSetting.module.css';
 
-const timezones = moment.tz.names();
+const timezones = Intl.supportedValuesOf('timeZone');
 
 export function TimezoneSetting() {
   const [search, setSearch] = useState('');

src/app/layout.tsx

@@ -1,11 +1,13 @@
 import { Metadata } from 'next';
 import Providers from './Providers';
+import '@fontsource/inter/300.css';
 import '@fontsource/inter/400.css';
+import '@fontsource/inter/500.css';
 import '@fontsource/inter/700.css';
-import '@fontsource/inter/800.css';
 import 'react-basics/dist/styles.css';
 import 'styles/index.css';
 import 'styles/variables.css';
+import '@umami/react-zen/dist/styles.css';
 
 export default function ({ children }) {
   return (

src/lib/date.ts

@@ -1,4 +1,3 @@
-import moment from 'moment-timezone';
 import {
   addMinutes,
   addHours,
@@ -105,8 +104,17 @@ const DATE_FUNCTIONS = {
   },
 };
 
+export function isValidTimezone(timezone: string) {
+  try {
+    Intl.DateTimeFormat(undefined, { timeZone: timezone });
+    return true;
+  } catch (error) {
+    return false;
+  }
+}
+
 export function getTimezone() {
-  return moment.tz.guess();
+  return Intl.DateTimeFormat().resolvedOptions().timeZone;
 }
 
 export function parseDateValue(value: string) {

src/lib/prisma.ts

@@ -1,7 +1,7 @@
 import debug from 'debug';
 import { Prisma } from '@prisma/client';
 import prisma from '@umami/prisma-client';
-import moment from 'moment-timezone';
+import { formatInTimeZone } from 'date-fns-tz';
 import { MYSQL, POSTGRESQL, getDatabaseType } from 'lib/db';
 import { SESSION_COLUMNS, OPERATORS, DEFAULT_PAGE_SIZE } from './constants';
 import { fetchWebsite } from './load';
@@ -75,7 +75,7 @@ function getDateSQL(field: string, unit: string, timezone?: string): string {
 
   if (db === MYSQL) {
     if (timezone) {
-      const tz = moment.tz(timezone).format('Z');
+      const tz = formatInTimeZone(new Date(), timezone, 'yyyy-MM-dd HH:mm:ss');
       return `date_format(convert_tz(${field},'+00:00','${tz}'), '${MYSQL_DATE_FORMATS[unit]}')`;
     }
     return `date_format(${field}, '${MYSQL_DATE_FORMATS[unit]}')`;
@@ -90,7 +90,7 @@ function getDateWeeklySQL(field: string, timezone?: string) {
   }
 
   if (db === MYSQL) {
-    const tz = moment.tz(timezone).format('Z');
+    const tz = formatInTimeZone(new Date(), timezone, 'yyyy-MM-dd HH:mm:ss');
     return `date_format(convert_tz(${field},'+00:00','${tz}'), '%w:%H')`;
   }
 }

src/lib/yup.ts

@@ -1,5 +1,5 @@
-import moment from 'moment-timezone';
 import * as yup from 'yup';
+import { isValidTimezone } from 'lib/date';
 import { UNIT_TYPES } from './constants';
 
 export const TimezoneTest = yup
@@ -8,7 +8,7 @@ export const TimezoneTest = yup
   .test(
     'timezone',
     () => `Invalid timezone`,
-    value => moment.tz.zone(value) !== null,
+    value => isValidTimezone(value),
   );
 
 export const UnitTypeTest = yup.string().test(