Massive functional upgrade: separated localization, full day viewer, month switch, first npm publish, code refactors

.prettierrc

@@ -0,0 +1,4 @@
+{
+  "semi": false,
+  "singleQuote": true
+}

example/src/App.tsx

@@ -1,14 +1,19 @@
-import React from "react";
-import Calendar from "react-eventful-calendar";
+import React from 'react'
+import Calendar, { Viewers } from 'react-eventful-calendar'
 
 import events from './events.json'
+import locale from './locale.json'
 
 function App() {
   return (
     <div className="App">
-      <Calendar eventList={events} />
+      <Calendar
+        eventList={events}
+        locale={locale}
+        initialViewer={Viewers.MonthViewer}
+      />
     </div>
-  );
+  )
 }
 
-export default App;
+export default App

example/src/events.json

@@ -2,7 +2,36 @@
   {
     "id": 1,
     "title": "Test",
-    "startDate": "Wed Oct 28 2020 17:00:00 GMT+0500 (Yekaterinburg Standard Time)",
-    "endDate": "Wed Oct 28 2020 20:00:00 GMT+0500 (Yekaterinburg Standard Time)"
+    "startDate": "Wed Oct 22 2020 17:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "endDate": "Wed Oct 22 2020 20:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "color": "#e57373"
+  },
+  {
+    "id": 2,
+    "title": "AnotherTest",
+    "startDate": "Wed Oct 22 2020 17:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "endDate": "Wed Oct 22 2020 20:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "color": "#64b5f6"
+  },
+  {
+    "id": 3,
+    "title": "And finally: third test",
+    "startDate": "Wed Oct 22 2020 17:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "endDate": "Wed Oct 22 2020 20:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "color": "#81c784"
+  },
+  {
+    "id": 666,
+    "title": "Halloween",
+    "startDate": "Wed Oct 31 2020 00:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "endDate": "Wed Nov 1 2020 00:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "color": "#ffb74d"
+  },
+  {
+    "id": 4,
+    "title": "Watching film",
+    "startDate": "Wed Oct 31 2020 23:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "endDate": "Wed Nov 1 2020 01:00:00 GMT+0500 (Yekaterinburg Standard Time)",
+    "color": "#ffb74d"
   }
 ]

example/src/locale.json

@@ -0,0 +1,25 @@
+{
+  "monthNames": [
+    "январь",
+    "февраль",
+    "март",
+    "апрель",
+    "май",
+    "июнь",
+    "июль",
+    "август",
+    "сентябрь",
+    "октябрь",
+    "ноябрь",
+    "декабрь"
+  ],
+  "weekdaysNames": [
+    "понедельник",
+    "вторник",
+    "среда",
+    "четверг",
+    "пятница",
+    "субота",
+    "воскресенье"
+  ]
+}

example/yarn.lock

@@ -8847,7 +8847,7 @@ react-error-overlay@^6.0.8:
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.8.tgz#474ed11d04fc6bda3af643447d85e9127ed6b5de"
   integrity sha512-HvPuUQnLp5H7TouGq3kzBeioJmXms1wHy9EGjz2OURWBp4qZO6AfGEcnxts1D/CbwPLRAgTMPCEgYhA3sEM4vw==
 
-react-eventful-calendar@../.:
+react-eventful-calendar@../:
   version "1.0.0"
 
 react-is@^16.8.1:

src/CalendarInContext.tsx

@@ -1,69 +1,18 @@
-import React, { useContext, useEffect, useState } from 'react'
+import React from 'react'
 
-import Day from './Day'
-import { CalendarContext } from './context'
-import { DayT, ICalendarProps } from './types'
+import { useCalendarContext } from './hooks'
+import { Viewers } from './types'
+import { DayView, MonthView } from './views'
+import styles from './views/styles'
 
-const CalendarInContext: React.FC<ICalendarProps> = ({ eventList }) => {
-  const context = useContext(CalendarContext)
-
-  const { month } = context.state
-
-  const [monthDaysState, setMonthDaysState] = useState<DayT[]>([])
-
-  useEffect(() => {
-    const daysNumbersArray = [
-      Array.from(
-        Array(month.firstDayOfWeek - 1 > 0 ? month.firstDayOfWeek - 1 : 0)
-      ).map(
-        (_, index) =>
-          month.previousMonthLength - month.firstDayOfWeek + index + 2
-      ),
-      Array.from(Array(month.numberOfDays)).map((_, index) => index + 1),
-      Array.from(Array(7 - month.lastDayOfWeek)).map((_, index) => index + 1),
-    ]
-
-    setMonthDaysState(
-      daysNumbersArray.flatMap((month, index) =>
-        month.map<DayT>((dayNumber) => ({
-          number: dayNumber,
-          events: eventList.filter((event) => {
-            if (index != 1) return false
-
-            const eventDate = new Date(event.startDate)
-
-            return (
-              eventDate.getDate() == dayNumber &&
-              eventDate.getMonth() == context.state.month.number
-            )
-          }),
-        }))
-      )
-    )
-  }, [context.state])
+const CalendarInContext: React.FC = () => {
+  const { state: calendar } = useCalendarContext()
+  const { currentViewer } = calendar
 
   return (
-    <div
-      style={{
-        height: '100%',
-        width: '100%',
-        display: 'grid',
-        gridTemplateColumns: 'repeat(7, 1fr)',
-        gridTemplateRows: 'repeat(5, 1fr)',
-        gap: '5px'
-      }}
-    >
-      {monthDaysState.map((day, dayIndex) => (
-        <Day
-          key={dayIndex}
-          dayNumber={day.number}
-          events={day.events}
-          shaded={
-            dayIndex < month.firstDayOfWeek - 1 ||
-            dayIndex > month.numberOfDays + month.firstDayOfWeek - 2
-          }
-        />
-      ))}
+    <div style={styles.calendar}>
+      {currentViewer == Viewers.MonthViewer && <MonthView />}
+      {currentViewer == Viewers.DayViewer && <DayView />}
     </div>
   )
 }

src/Day.tsx

@@ -1,48 +0,0 @@
-import React from 'react'
-
-import { IDayProps } from './types'
-
-const Day: React.FC<IDayProps> = ({ dayNumber, events, shaded }) => {
-  return (
-    <div
-      style={{
-        background: '#EEEEEE',
-        borderRadius: '5px',
-        maxHeight: '100px',
-        overflow: 'hidden',
-        padding: '5px',
-        position: 'relative',
-        opacity: shaded ? '0.5' : '1',
-      }}
-    >
-      <h5
-        style={{
-          textAlign: 'center',
-          margin: '0px',
-        }}
-      >
-        {dayNumber}
-      </h5>
-      <ul style={{ paddingLeft: '20px', margin: '0' }}>
-        {events.map((event, key) => (
-          <li key={key} style={{}}>
-            {event.title}
-          </li>
-        ))}
-      </ul>
-      <div
-        style={{
-          position: 'absolute',
-          bottom: '0px',
-          marginLeft: '-5px',
-          width: '100%',
-          height: '50%',
-          display: 'block',
-          backgroundImage: 'linear-gradient(transparent, #EEEEEE)',
-        }}
-      />
-    </div>
-  )
-}
-
-export default Day

src/context.tsx

@@ -1,47 +0,0 @@
-import React, { createContext, useEffect, useState } from 'react'
-
-import { CalendarContextStateT, CalendarContextT } from './types'
-import { getCurrentMonth } from './utils'
-
-const initialCalendarContextState: CalendarContextStateT = {
-  month: {
-    number: 1,
-    firstDayOfWeek: 1,
-    lastDayOfWeek: 1,
-    numberOfDays: 1,
-    previousMonthLength: 1,
-  },
-  year: 1,
-  day: 1,
-}
-
-const CalendarContext = createContext<CalendarContextT>({
-  state: initialCalendarContextState,
-})
-
-const CalendarProvider: React.FC = ({ children }) => {
-  const [state, setState] = useState<CalendarContextStateT>(
-    initialCalendarContextState
-  )
-
-  const [now] = useState<Date>(new Date())
-
-  useEffect(
-    () =>
-      setState((prev) => ({
-        ...prev,
-        month: getCurrentMonth(now),
-        year: now.getFullYear(),
-        day: now.getDate(),
-      })),
-    []
-  )
-
-  return (
-    <CalendarContext.Provider value={{ state, setState }}>
-      {children}
-    </CalendarContext.Provider>
-  )
-}
-
-export { CalendarContext, CalendarProvider }

src/context/calendar.tsx

@@ -0,0 +1,74 @@
+import React, { createContext, useEffect, useMemo, useState } from 'react'
+
+import {
+  CalendarStateT,
+  CalendarContextT,
+  ICalendarProviderProps,
+} from './types'
+import { Viewers } from '../types'
+import { getMonth } from '../utils'
+
+const initialCalendarContextState: CalendarStateT = {
+  month: {
+    number: 1,
+    firstDayOfWeek: 0,
+    lastDayOfWeek: 1,
+    numberOfDays: 1,
+    previousMonthLength: 1,
+  },
+  year: 1,
+  day: {
+    number: 1,
+  },
+  today: {
+    day: 1,
+    month: 1,
+    year: 1,
+  },
+  eventList: [],
+  currentViewer: Viewers.MonthViewer,
+}
+
+const CalendarContext = createContext<CalendarContextT | null>(null)
+
+const CalendarProvider: React.FC<ICalendarProviderProps> = ({
+  children,
+  eventList,
+  initialViewer,
+}) => {
+  const [state, setState] = useState<CalendarStateT>(
+    initialCalendarContextState
+  )
+
+  const [now] = useState<Date>(new Date())
+
+  useEffect(
+    () =>
+      setState((prev) => ({
+        ...prev,
+        year: now.getFullYear(),
+        month: getMonth(now),
+        day: {
+          number: now.getDate(),
+        },
+        today: {
+          day: now.getDate(),
+          month: now.getMonth(),
+          year: now.getFullYear(),
+        },
+        currentViewer: initialViewer,
+        eventList,
+      })),
+    []
+  )
+
+  const value = useMemo(() => ({ state, setState }), [state])
+
+  return (
+    <CalendarContext.Provider value={value}>
+      {children}
+    </CalendarContext.Provider>
+  )
+}
+
+export { CalendarContext, CalendarProvider }

src/context/locale.tsx

@@ -0,0 +1,32 @@
+import React, { createContext, useEffect, useMemo, useState } from 'react'
+import { ILocaleProviderProps, LocaleContextT, LocaleStateT } from './types'
+
+const initialLocaleState: LocaleStateT = {
+  monthNames: [],
+  weekdaysNames: [],
+}
+
+const LocaleContext = createContext<LocaleContextT | null>(null)
+
+const LocaleProvider: React.FC<ILocaleProviderProps> = ({
+  children,
+  monthList,
+  weekList,
+}) => {
+  const [state, setState] = useState<LocaleStateT>(initialLocaleState)
+
+  useEffect(() => {
+    setState({
+      monthNames: monthList,
+      weekdaysNames: weekList,
+    })
+  }, [monthList, weekList])
+
+  const value = useMemo(() => ({ state, setState }), [state])
+
+  return (
+    <LocaleContext.Provider value={value}>{children}</LocaleContext.Provider>
+  )
+}
+
+export { LocaleContext, LocaleProvider }

src/context/types.ts

@@ -0,0 +1,59 @@
+import { Dispatch, SetStateAction } from 'react'
+import { EventT, Viewers } from '../types'
+
+// Calendar
+
+export type CalendarStateT = {
+  month: MonthContextT
+  year: number
+  day: {
+    number: number
+    events?: EventT[]
+  }
+  today: {
+    day: number
+    month: number
+    year: number
+  }
+  eventList: EventT[]
+  currentViewer: Viewers
+}
+
+export type MonthContextT = {
+  number: number
+  firstDayOfWeek: number
+  lastDayOfWeek: number
+  numberOfDays: number
+  previousMonthLength: number
+}
+
+export type CalendarContextSetterT = Dispatch<SetStateAction<CalendarStateT>>
+
+export type CalendarContextT = {
+  state: CalendarStateT
+  setState?: CalendarContextSetterT
+}
+
+export interface ICalendarProviderProps {
+  eventList: EventT[]
+  initialViewer: Viewers
+}
+
+// localization
+
+export type LocaleStateT = {
+  weekdaysNames: string[]
+  monthNames: string[]
+}
+
+export type LocaleContextSetterT = Dispatch<SetStateAction<LocaleStateT>>
+
+export type LocaleContextT = {
+  state: LocaleStateT
+  setState?: LocaleContextSetterT
+}
+
+export interface ILocaleProviderProps {
+  weekList: string[]
+  monthList: string[]
+}

src/hooks.ts

@@ -0,0 +1,23 @@
+import { useContext } from 'react'
+import { CalendarContext } from './context/calendar'
+import { LocaleContext } from './context/locale'
+
+const useCalendarContext = () => {
+  const context = useContext(CalendarContext)
+
+  if (!context)
+    throw new Error("Can't use calendar context outside of CalendarProvider")
+
+  return context
+}
+
+const useLocaleContext = () => {
+  const context = useContext(LocaleContext)
+
+  if (!context)
+    throw new Error("Can't use locale context outside of LocaleProvider")
+
+  return context
+}
+
+export { useCalendarContext, useLocaleContext }

src/index.tsx

@@ -1,14 +1,26 @@
 import React from 'react'
 import CalendarInContext from './CalendarInContext'
-import { CalendarProvider as CalendarContextProvider } from './context'
+import { CalendarProvider as CalendarContextProvider } from './context/calendar'
 import { ICalendarProps } from './types'
+import { LocaleProvider as LocaleContextProvider } from './context/locale'
 
-const Calendar: React.FC<ICalendarProps> = ({ eventList }) => {
+const Calendar: React.FC<ICalendarProps> = ({
+  eventList,
+  initialViewer,
+  locale: { monthNames, weekdaysNames },
+}) => {
   return (
-    <CalendarContextProvider>
-      <CalendarInContext eventList={eventList} />
+    <CalendarContextProvider
+      eventList={eventList}
+      initialViewer={initialViewer}
+    >
+      <LocaleContextProvider monthList={monthNames} weekList={weekdaysNames}>
+        <CalendarInContext />
+      </LocaleContextProvider>
     </CalendarContextProvider>
   )
 }
 
+export { Viewers } from './types'
+
 export default Calendar

src/types.ts

@@ -1,30 +1,26 @@
 import { Dispatch, SetStateAction } from 'react'
+import { CalendarStateT, LocaleStateT, MonthContextT } from './context/types'
 
-// Context
+// Experimental
 
-export type CalendarContextStateT = {
-  month: MonthContextT
-  year: number
-  day: number
-}
+export type switchMonthInContextFT = (
+  setContext: Dispatch<SetStateAction<CalendarStateT>> | undefined,
+  increase: boolean
+) => void
 
-export type MonthContextT = {
-  number: number
-  firstDayOfWeek: number
-  lastDayOfWeek: number
-  numberOfDays: number
-  previousMonthLength: number
-}
-
-export type CalendarContextT = {
-  state: CalendarContextStateT
-  setState?: Dispatch<SetStateAction<CalendarContextStateT>>
-}
+export type UseCalendarSwitchFT = () => (increase: boolean) => void
 
 // Calendar component
 
+export enum Viewers {
+  MonthViewer,
+  DayViewer,
+}
+
 export interface ICalendarProps {
   eventList: EventT[]
+  initialViewer: Viewers
+  locale: LocaleStateT
 }
 
 // Day
@@ -34,11 +30,23 @@ export type DayT = {
   events: EventT[]
 }
 
-export interface IDayProps {
-  dayNumber: number
-  events: EventT[]
-  shaded: boolean
-}
+export type ShouldDayBeShadedFT = (
+  month: MonthContextT,
+  dayIndex: number
+) => boolean
+
+export type FilterEventsByDayFT = (
+  eventList: EventT[],
+  dayNumber: number,
+  monthNumber: number,
+  yearNumber: number
+) => EventT[]
+
+export type SetDayFT = (
+  dayNumber: number,
+  dayEvents: EventT[],
+  setState: Dispatch<SetStateAction<CalendarStateT>> | undefined
+) => void
 
 // Event
 
@@ -47,4 +55,7 @@ export type EventT = {
   title: string
   startDate: string
   endDate: string
+  color: string
 }
+
+export type GetEventLengthFT = (start: string, end: string) => string

src/utils.ts

@@ -1,13 +1,17 @@
-import { MonthContextT } from './types'
+import { MonthContextT } from './context/types'
+import {
+  FilterEventsByDayFT,
+  GetEventLengthFT,
+  SetDayFT,
+  ShouldDayBeShadedFT,
+  switchMonthInContextFT,
+} from './types'
 
-const getCurrentMonth = (currentDay: Date): MonthContextT => {
-  const monthInfo = getMonthInfo(
-    currentDay.getFullYear(),
-    currentDay.getMonth()
-  )
+const getMonth = (date: Date): MonthContextT => {
+  const monthInfo = getMonthInfo(date.getFullYear(), date.getMonth())
 
   return {
-    number: currentDay.getMonth(),
+    number: date.getMonth(),
     ...monthInfo,
   }
 }
@@ -20,12 +24,97 @@ const getMonthInfo = (
   const lastDayOfMonth = new Date(year, month + 1, 0)
   const prevMonth = new Date(year, month, 0)
 
+  const firstDayOfWeek = firstDayOfMonth.getDay()
+
+  const convertedFirstDayOfWeek =
+    firstDayOfWeek - 1 >= 0 ? firstDayOfWeek - 1 : 6
+
   return {
-    firstDayOfWeek: firstDayOfMonth.getDay(),
+    firstDayOfWeek: convertedFirstDayOfWeek,
     lastDayOfWeek: lastDayOfMonth.getDay(),
     numberOfDays: lastDayOfMonth.getDate(),
     previousMonthLength: prevMonth.getDate(),
   }
 }
 
-export { getCurrentMonth, getMonthInfo }
+const getMonthName = (number: number, monthNames: string[]) =>
+  monthNames[number]
+
+const switchMonthInContext: switchMonthInContextFT = (setContext, increase) => {
+  if (!setContext) return
+
+  setContext((previousContext) => {
+    const newDate = new Date(
+      previousContext.year,
+      previousContext.month.number,
+      1
+    )
+
+    if (increase) newDate.setMonth(newDate.getMonth() + 1)
+    else newDate.setMonth(newDate.getMonth() - 1)
+
+    return {
+      ...previousContext,
+      year: newDate.getFullYear(),
+      month: getMonth(newDate),
+    }
+  })
+}
+
+const shouldDayBeShaded: ShouldDayBeShadedFT = (month, dayIndex) =>
+  dayIndex < month.firstDayOfWeek ||
+  dayIndex > month.numberOfDays + month.firstDayOfWeek - 1
+
+const filterEventsByDay: FilterEventsByDayFT = (
+  eventList,
+  dayNumber,
+  monthNumber,
+  yearnumber
+) =>
+  eventList.filter((event) => {
+    const eventDate = new Date(event.startDate)
+
+    return (
+      eventDate.getDate() == dayNumber &&
+      eventDate.getMonth() == monthNumber &&
+      eventDate.getFullYear() == yearnumber
+    )
+  })
+
+const setDay: SetDayFT = (dayNumber, dayEvents, setState) => {
+  if (setState)
+    setState((prevState) => ({
+      ...prevState,
+      day: {
+        ...prevState.day,
+        number: dayNumber,
+        events: dayEvents,
+      },
+    }))
+}
+
+const getEventLength: GetEventLengthFT = (start, end) => {
+  const startDate = new Date(start)
+  const endDate = new Date(end)
+
+  if ((endDate.getTime() - startDate.getTime()) / (1000 * 3600 * 24) >= 1)
+    return 'Whole day'
+  const startMinutes = startDate.getMinutes().toString()
+  const endMinutes = endDate.getMinutes().toString()
+
+  return `${startDate.getHours()}:${
+    startMinutes.length < 2 ? '0' + startMinutes : startMinutes
+  }-${endDate.getHours()}:${
+    endMinutes.length < 2 ? '0' + endMinutes : endMinutes
+  }`
+}
+
+export {
+  getMonth,
+  getMonthName,
+  switchMonthInContext,
+  shouldDayBeShaded,
+  filterEventsByDay,
+  setDay,
+  getEventLength,
+}

src/views/Day.tsx

@@ -0,0 +1,77 @@
+import React, { useEffect } from 'react'
+import { useCalendarContext, useLocaleContext } from '../hooks'
+import { Viewers } from '../types'
+import { getEventLength, getMonthName } from '../utils'
+
+import { IDayViewer } from './types'
+
+const HomeIcon = () => (
+  <svg
+    width="23"
+    height="22"
+    viewBox="0 0 23 22"
+    fill="none"
+    xmlns="http://www.w3.org/2000/svg"
+  >
+    <g fill="#000000">
+      <path d="M11.5 5.21591L20.125 13.2268V22H14.375V16.2609H8.625V22H2.875V13.2268L11.5 5.21591ZM23 10.6633L11.5 0L0 10.649L1.30429 12.0503L11.5 2.6113L21.6957 12.0646L23 10.6633Z"></path>
+    </g>
+  </svg>
+)
+
+const DayViewer: React.FC<IDayViewer> = () => {
+  const {
+    state: { day, month, year },
+    setState,
+  } = useCalendarContext()
+  const {
+    state: { monthNames },
+  } = useLocaleContext()
+
+  useEffect(() => {
+    if (setState)
+      if (day.events === undefined) {
+        setState((prevState) => ({
+          ...prevState,
+          day: {
+            ...prevState.day,
+            events: prevState.eventList.filter(() => false),
+          },
+        }))
+      }
+  }, [day.number])
+
+  const handle = () => {
+    if (setState)
+      setState((prevSate) => ({
+        ...prevSate,
+        currentViewer: Viewers.MonthViewer,
+      }))
+  }
+
+  return (
+    <div>
+      <button
+        title="Return to main"
+        onClick={handle}
+        style={{ background: 'none', border: 'none', cursor: 'pointer' }}
+      >
+        <HomeIcon />
+      </button>
+      <div>
+        <h1>{day.number}</h1>
+        <h3>{getMonthName(month.number, monthNames) + ' ' + year}</h3>
+      </div>
+      <ul>
+        {day.events?.map((event, eventIndex) => (
+          <li key={eventIndex}>
+            <h2>{event.title}</h2>
+            <h3>{getEventLength(event.startDate, event.endDate)}</h3>
+          </li>
+        ))}
+      </ul>
+    </div>
+  )
+}
+
+export default DayViewer

src/views/DayOfMonth.tsx

@@ -0,0 +1,79 @@
+import React, { useState } from 'react'
+import { useCalendarContext } from '../hooks'
+import { Viewers } from '../types'
+import { setDay } from '../utils'
+
+import { IDayOfMonthProps } from './types'
+import styles from './styles'
+
+const ArrowDown: React.FC = () => (
+  <svg
+    width="11"
+    height="20"
+    viewBox="0 0 11 6"
+    fill="none"
+    xmlns="http://www.w3.org/2000/svg"
+  >
+    <g fill="#000000">
+      <path d="M0 1.132L1.29663 0L5.50183 3.7356L9.70337 0L11 1.132L5.50183 6L0 1.132Z" />
+    </g>
+  </svg>
+)
+
+const DayOfMonth: React.FC<IDayOfMonthProps> = ({
+  dayNumber,
+  events,
+  shaded,
+}) => {
+  const { setState } = useCalendarContext()
+
+  const [expanded, setExpanded] = useState(false)
+
+  const handleClick = () => {
+    if (shaded) return
+    if (events.length > 2 && !expanded) return setExpanded(true)
+    setDay(dayNumber, events, setState)
+    if (setState)
+      setState((prevState) => ({
+        ...prevState,
+        currentViewer: Viewers.DayViewer,
+      }))
+  }
+
+  return (
+    <div
+      style={{
+        ...styles.dayOfMonth,
+        opacity: shaded ? '0.5' : '1',
+        maxHeight: expanded ? '100vh' : '5rem',
+      }}
+      onClick={handleClick}
+    >
+      <h5 style={styles.monthDayNumber}>{dayNumber}</h5>
+      <ul style={styles.monthDayEventList}>
+        {events.map((event, key) => (
+          <li
+            key={key}
+            style={{ ...styles.monthDayEvent, backgroundColor: event.color }}
+          >
+            {event.title}
+          </li>
+        ))}
+      </ul>
+      {events.length > 2 ? (
+        <div
+          style={{
+            ...styles.monthDayBottomShade,
+            height: expanded ? '0px' : '50%',
+          }}
+        >
+          <ArrowDown />
+        </div>
+      ) : (
+        ''
+      )}
+    </div>
+  )
+}
+
+export default DayOfMonth

src/views/Month.tsx

@@ -0,0 +1,61 @@
+import React, { useEffect, useState } from 'react'
+import { useCalendarContext } from '../hooks'
+import { DayT } from '../types'
+import { filterEventsByDay, shouldDayBeShaded } from '../utils'
+import DayOfMonth from './DayOfMonth'
+import MonthHeader from './MonthHeader'
+import styles from './styles'
+
+const MonthView: React.FC = () => {
+  const {
+    state: { month, eventList, year: yearNumber },
+  } = useCalendarContext()
+
+  const [monthDays, setMonthDaysState] = useState<DayT[]>([])
+
+  useEffect(() => {
+    const daysNumbersArray = [
+      Array.from(
+        // Array(month.firstDayOfWeek - 1 > 0 ? month.firstDayOfWeek - 1 : 0)
+        Array(month.firstDayOfWeek)
+      ).map(
+        (_, index) =>
+          month.previousMonthLength - month.firstDayOfWeek + index + 1
+      ),
+      Array.from(Array(month.numberOfDays)).map((_, index) => index + 1),
+      Array.from(Array(7 - month.lastDayOfWeek)).map((_, index) => index + 1),
+    ]
+
+    const monthNumber = month.number
+
+    setMonthDaysState(
+      daysNumbersArray.flatMap((month, index) =>
+        month.map<DayT>((dayNumber) => ({
+          number: dayNumber,
+          events:
+            index == 1
+              ? filterEventsByDay(eventList, dayNumber, monthNumber, yearNumber)
+              : [],
+        }))
+      )
+    )
+  }, [month, eventList])
+
+  return (
+    <>
+      <MonthHeader />
+      <div style={styles.monthGrid}>
+        {monthDays.map((day, dayIndex) => (
+          <DayOfMonth
+            key={dayIndex}
+            dayNumber={day.number}
+            events={day.events}
+            shaded={shouldDayBeShaded(month, dayIndex)}
+          />
+        ))}
+      </div>
+    </>
+  )
+}
+
+export default MonthView

src/views/MonthHeader.tsx

@@ -0,0 +1,52 @@
+import React from 'react'
+import { useCalendarContext, useLocaleContext } from '../hooks'
+import { getMonthName, switchMonthInContext } from '../utils'
+import styles from './styles'
+
+const MonthHeader: React.FC = () => {
+  const {
+    state: { weekdaysNames, monthNames },
+  } = useLocaleContext()
+
+  const {
+    state: {
+      year,
+      month: { number },
+    },
+    setState,
+  } = useCalendarContext()
+
+  return (
+    <header>
+      <div style={styles.monthSwitchHeader}>
+        <button
+          title={getMonthName(number - 1, monthNames)}
+          onClick={() => switchMonthInContext(setState, false)}
+          style={styles.switchMonthButton}
+        >
+          &lt;
+        </button>
+        <h4 style={styles.monthSwitchHeaderTitle}>
+          {getMonthName(number, monthNames) + ' ' + year}
+        </h4>
+        <button
+          title={getMonthName(number + 1, monthNames)}
+          onClick={() => switchMonthInContext(setState, true)}
+          style={styles.switchMonthButton}
+        >
+          &gt;
+        </button>
+      </div>
+
+      <div style={styles.weekdaysListHeader}>
+        {weekdaysNames.map((weekDay, weekDayIndex) => (
+          <p key={weekDayIndex} style={styles.weekDay}>
+            {weekDay}
+          </p>
+        ))}
+      </div>
+    </header>
+  )
+}
+
+export default MonthHeader

src/views/index.ts

@@ -0,0 +1,4 @@
+import MonthView from './Month'
+import DayView from './Day'
+
+export { MonthView, DayView }

src/views/styles.ts

@@ -0,0 +1,117 @@
+type Style = React.CSSProperties
+
+const calendar: Style = {
+  height: '100%',
+  width: '100%',
+  border: '1px black solid',
+  borderRadius: '5px',
+  overflow: 'hidden',
+}
+
+// Month header
+
+const weekdaysListHeader: Style = {
+  display: 'grid',
+  gridTemplateColumns: 'repeat(7, 1fr)',
+  width: '100%',
+  gap: '5px',
+}
+
+const monthSwitchHeader: Style = {
+  display: 'grid',
+  gridTemplateColumns: 'repeat(7, 1fr)',
+  width: '100%',
+  gap: '5px',
+  backgroundColor: 'black',
+  color: 'white',
+  padding: '5px',
+}
+
+const switchMonthButton: Style = {
+  backgroundColor: 'white',
+  border: 'none',
+  borderRadius: '5px',
+}
+
+const monthSwitchHeaderTitle: Style = {
+  margin: '0px',
+  textAlign: 'center',
+  textTransform: 'capitalize',
+  gridColumn: 'span 5',
+}
+
+const weekDay: Style = {
+  overflow: 'hidden',
+  textOverflow: 'ellipsis',
+  textAlign: 'center',
+  padding: '5px 0',
+  margin: '0px',
+  textTransform: 'capitalize',
+}
+
+// Month viewer
+
+const monthGrid: Style = {
+  display: 'grid',
+  gridTemplateColumns: 'repeat(7, 1fr)',
+  gap: '5px',
+  padding: '5px',
+}
+
+// Month day
+
+const dayOfMonth: Style = {
+  background: '#EEEEEE',
+  borderRadius: '5px',
+  overflow: 'hidden',
+  minHeight: '5rem',
+  padding: '5px',
+  position: 'relative',
+  transition: 'all 3s',
+}
+
+const monthDayEventList: Style = {
+  padding: '0px',
+  margin: '0px',
+  listStyle: 'none',
+  overflow: 'hidden',
+  borderRadius: '4px',
+}
+
+const monthDayEvent: Style = {
+  padding: '2px',
+}
+
+const monthDayBottomShade: Style = {
+  position: 'absolute',
+  bottom: '0px',
+  marginLeft: '-5px',
+  width: '100%',
+  overflow: 'hidden',
+  display: 'flex',
+  alignItems: 'flex-end',
+  justifyContent: 'center',
+  backgroundImage: 'linear-gradient(transparent, #EEEEEE)',
+}
+
+const monthDayNumber: Style = {
+  textAlign: 'center',
+  margin: '0px',
+}
+
+const styles = {
+  switchMonthButton,
+  calendar,
+  weekdaysListHeader,
+  monthSwitchHeader,
+  monthSwitchHeaderTitle,
+  weekDay,
+  monthGrid,
+  dayOfMonth,
+  monthDayEventList,
+  monthDayEvent,
+  monthDayBottomShade,
+  monthDayNumber,
+}
+
+export default styles

src/views/types.ts

@@ -0,0 +1,9 @@
+import { EventT } from '../types'
+
+export interface IDayOfMonthProps {
+  dayNumber: number
+  events: EventT[]
+  shaded: boolean
+}
+
+export interface IDayViewer {}