Add giraugh tools and update dayjs instance on client when lang changes

frontend/package.json

@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "@azure/msal-browser": "^2.37.0",
+    "@giraugh/tools": "^1.5.0",
     "@microsoft/microsoft-graph-client": "^3.0.5",
     "accept-language": "^3.0.18",
     "dayjs": "^1.11.7",

frontend/src/components/CalendarField/components/Month/Month.tsx

@@ -1,8 +1,10 @@
 import { useCallback, useEffect, useRef, useState } from 'react'
+import { rotateArray } from '@giraugh/tools'
+import { Dayjs } from 'dayjs'
 import { ChevronLeft, ChevronRight } from 'lucide-react'
 
 import Button from '/src/components/Button/Button'
-import dayjs from '/src/config/dayjs'
+import { useDayjs } from '/src/config/dayjs'
 import { useTranslation } from '/src/i18n/client'
 import { useStore } from '/src/stores'
 import useSettingsStore from '/src/stores/settingsStore'
@@ -10,10 +12,6 @@ import { makeClass } from '/src/utils'
 
 import styles from './Month.module.scss'
 
-// TODO: use from giraugh tools
-export const rotateArray = <T, >(arr: T[], amount = 1): T[] =>
-  arr.map((_, i) => arr[((( -amount + i ) % arr.length) + arr.length) % arr.length])
-
 interface MonthProps {
   /** Array of dates in `DDMMYYYY` format */
   value: string[]
@@ -22,6 +20,7 @@ interface MonthProps {
 
 const Month = ({ value, onChange }: MonthProps) => {
   const { t } = useTranslation('home')
+  const dayjs = useDayjs()
 
   const weekStart = useStore(useSettingsStore, state => state.weekStart) ?? 0
 
@@ -29,7 +28,7 @@ const Month = ({ value, onChange }: MonthProps) => {
     month: dayjs().month(),
     year: dayjs().year(),
   })
-  const [dates, setDates] = useState(calculateMonth(page, weekStart))
+  const [dates, setDates] = useState(calculateMonth(dayjs().month(page.month).year(page.year), weekStart))
 
   // Ref and state required to rerender but also access static version in callbacks
   const selectingRef = useRef<string[]>([])
@@ -45,7 +44,7 @@ const Month = ({ value, onChange }: MonthProps) => {
   // Update month view
   useEffect(() => {
     dayjs.updateLocale(dayjs.locale(), { weekStart })
-    setDates(calculateMonth(page, weekStart))
+    setDates(calculateMonth(dayjs().month(page.month).year(page.year), weekStart))
   }, [weekStart, page])
 
   const handleFinishSelection = useCallback(() => {
@@ -149,8 +148,7 @@ interface Date {
 }
 
 /** Calculate the dates to show for the month in a 2d array */
-const calculateMonth = ({ month, year }: { month: number, year: number }, weekStart: 0 | 1) => {
-  const date = dayjs().month(month).year(year)
+const calculateMonth = (date: Dayjs, weekStart: 0 | 1) => {
   const daysInMonth = date.daysInMonth()
   const daysBefore = date.date(1).day() - weekStart
   const daysAfter = 6 - date.date(daysInMonth).day() + weekStart

frontend/src/components/CalendarField/components/Weekdays/Weekdays.tsx

@@ -1,6 +1,7 @@
 import { useCallback, useMemo, useRef, useState } from 'react'
+import { rotateArray } from '@giraugh/tools'
 
-import dayjs from '/src/config/dayjs'
+import { useDayjs } from '/src/config/dayjs'
 import { useTranslation } from '/src/i18n/client'
 import { useStore } from '/src/stores'
 import useSettingsStore from '/src/stores/settingsStore'
@@ -9,10 +10,6 @@ import { makeClass } from '/src/utils'
 // Use styles from Month picker
 import styles from '../Month/Month.module.scss'
 
-// TODO: use from giraugh tools
-export const rotateArray = <T, >(arr: T[], amount = 1): T[] =>
-  arr.map((_, i) => arr[((( -amount + i ) % arr.length) + arr.length) % arr.length])
-
 interface WeekdaysProps {
   /** Array of weekdays as numbers from 0-6 (as strings) */
   value: string[]
@@ -21,6 +18,7 @@ interface WeekdaysProps {
 
 const Weekdays = ({ value, onChange }: WeekdaysProps) => {
   const { t } = useTranslation('home')
+  const dayjs = useDayjs()
 
   const weekStart = useStore(useSettingsStore, state => state.weekStart) ?? 0
 

frontend/src/components/CreateForm/CreateForm.tsx

@@ -11,7 +11,7 @@ import SelectField from '/src/components/SelectField/SelectField'
 import TextField from '/src/components/TextField/TextField'
 import TimeRangeField from '/src/components/TimeRangeField/TimeRangeField'
 import { API_BASE } from '/src/config/api'
-import dayjs from '/src/config/dayjs'
+import { useDayjs } from '/src/config/dayjs'
 import { useTranslation } from '/src/i18n/client'
 import timezones from '/src/res/timezones.json'
 
@@ -36,6 +36,7 @@ const defaultValues: Fields = {
 
 const CreateForm = () => {
   const { t } = useTranslation('home')
+  const dayjs = useDayjs()
   const { push } = useRouter()
 
   const {

frontend/src/components/Recents/Recents.tsx

@@ -4,7 +4,7 @@ import Link from 'next/link'
 
 import Content from '/src/components/Content/Content'
 import Section from '/src/components/Section/Section'
-import dayjs from '/src/config/dayjs'
+import { useDayjs } from '/src/config/dayjs'
 import { useTranslation } from '/src/i18n/client'
 import { useStore } from '/src/stores'
 import useRecentsStore from '/src/stores/recentsStore'
@@ -18,6 +18,7 @@ interface RecentsProps {
 const Recents = ({ target }: RecentsProps) => {
   const recents = useStore(useRecentsStore, state => state.recents)
   const { t } = useTranslation(['home', 'common'])
+  const dayjs = useDayjs()
 
   return recents?.length ? <Section id="recents">
     <Content>

frontend/src/components/Settings/Settings.tsx

@@ -7,7 +7,6 @@ import { Settings as SettingsIcon } from 'lucide-react'
 
 import SelectField from '/src/components/SelectField/SelectField'
 import ToggleField from '/src/components/ToggleField/ToggleField'
-import dayjs from '/src/config/dayjs'
 import { useTranslation } from '/src/i18n/client'
 import { languageDetails } from '/src/i18n/options'
 import { useStore } from '/src/stores'
@@ -16,12 +15,6 @@ import { makeClass, unhyphenate } from '/src/utils'
 
 import styles from './Settings.module.scss'
 
-// TODO: add to giraugh tools
-const isKeyOfObject = <T extends object>(
-  key: string | number | symbol,
-  obj: T,
-): key is keyof T => key in obj
-
 const Settings = () => {
   const { t, i18n } = useTranslation('common')
   const router = useRouter()
@@ -128,17 +121,7 @@ const Settings = () => {
           }}
           isSmall
           value={i18n.language}
-          onChange={e => {
-            if (isKeyOfObject(e.target.value, languageDetails)) {
-              store?.setWeekStart(languageDetails[e.target.value].weekStart)
-              store?.setTimeFormat(languageDetails[e.target.value].timeFormat)
-
-              languageDetails[e.target.value]?.import().then(() => {
-                dayjs.locale(e.target.value)
-              })
-            }
-            i18n.changeLanguage(e.target.value).then(() => router.refresh())
-          }}
+          onChange={e => i18n.changeLanguage(e.target.value).then(() => router.refresh())}
         />
       </div>
     </dialog>

frontend/src/config/dayjs.ts

@@ -1,3 +1,5 @@
+import { useCallback, useState } from 'react'
+import { isKeyOfObject } from '@giraugh/tools'
 import dayjs from 'dayjs'
 import customParseFormat from 'dayjs/plugin/customParseFormat'
 import isToday from 'dayjs/plugin/isToday'
@@ -7,6 +9,11 @@ import timezone from 'dayjs/plugin/timezone'
 import updateLocale from 'dayjs/plugin/updateLocale'
 import utc from 'dayjs/plugin/utc'
 
+import { useTranslation } from '/src/i18n/client'
+import { languageDetails } from '/src/i18n/options'
+import { useStore } from '/src/stores'
+import useSettingsStore from '/src/stores/settingsStore'
+
 dayjs.extend(customParseFormat)
 dayjs.extend(isToday)
 dayjs.extend(localeData)
@@ -15,4 +22,26 @@ dayjs.extend(timezone)
 dayjs.extend(updateLocale)
 dayjs.extend(utc)
 
-export default dayjs
+export const useDayjs = () => {
+  const { i18n } = useTranslation()
+  const store = useStore(useSettingsStore, state => state)
+  const [updateInstance, setUpdateInstance] = useState(0)
+
+  const instance = useCallback(dayjs, [updateInstance, dayjs])
+
+  const handleLanguageChange = useCallback((lng: string) => {
+    if (isKeyOfObject(lng, languageDetails)) {
+      store?.setWeekStart(languageDetails[lng].weekStart)
+      store?.setTimeFormat(languageDetails[lng].timeFormat)
+
+      languageDetails[lng]?.import().then(() => {
+        dayjs.locale(lng)
+        setUpdateInstance(updateInstance + 1)
+      })
+    }
+  }, [store])
+
+  i18n.on('languageChanged', handleLanguageChange)
+
+  return instance
+}

frontend/src/i18n/client.ts

@@ -2,12 +2,11 @@
 
 import { initReactI18next, useTranslation as useTranslationHook } from 'react-i18next'
 import { cookies } from 'next/dist/client/components/headers' // risky disky (undocumented???)
+import dayjs from 'dayjs'
 import i18next from 'i18next'
 import LanguageDetector from 'i18next-browser-languagedetector'
 import resourcesToBackend from 'i18next-resources-to-backend'
 
-import dayjs from '/src/config/dayjs'
-
 import { cookieName, getOptions, languageDetails } from './options'
 
 i18next

frontend/src/i18n/server.ts

@@ -1,10 +1,9 @@
 import { cookies, headers } from 'next/headers'
 import acceptLanguage from 'accept-language'
+import dayjs from 'dayjs'
 import { createInstance } from 'i18next'
 import resourcesToBackend from 'i18next-resources-to-backend'
 
-import dayjs from '/src/config/dayjs'
-
 import { cookieName, fallbackLng, getOptions, languageDetails, languages } from './options'
 
 type Mutable<T> = { -readonly [K in keyof T]: Mutable<T[K]> }

frontend/yarn.lock

@@ -65,6 +65,11 @@
   resolved "https://registry.yarnpkg.com/@eslint/js/-/js-8.40.0.tgz#3ba73359e11f5a7bd3e407f70b3528abfae69cec"
   integrity sha512-ElyB54bJIhXQYVKjDSvCkPO1iU1tSAeVQJbllWJq1XQSmmA4dgFk8CbiBGpiOPxleE48vDogxCtmMYku4HSVLA==
 
+"@giraugh/tools@^1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@giraugh/tools/-/tools-1.5.0.tgz#5c5cc8b248d1e04aebc46dcbeb7620c99f47d2ec"
+  integrity sha512-DZTrxKU5Ul5+UnDUNja0Cp1HcMLPGF2fh7j4ICEzaNwvRMwcHRH241L/pfneuibZ22w1Ka4U7LVzOWL+SjLIjw==
+
 "@humanwhocodes/config-array@^0.11.8":
   version "0.11.8"
   resolved "https://registry.yarnpkg.com/@humanwhocodes/config-array/-/config-array-0.11.8.tgz#03595ac2075a4dc0f191cc2131de14fbd7d410b9"