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lcm-potty-chart/contexts/CalenderContext.tsx
Lucid Kobold 68949175e7 Formatting
2021-11-30 21:27:20 -06:00

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TypeScript

import React, { createContext, useState, ReactNode, useEffect } from "react";
import { endOfMonth, getDate } from "date-fns";
// TODO: import types
type days =
| "Sunday"
| "Monday"
| "Tuesday"
| "Wednesday"
| "Thursday"
| "Friday"
| "Saturday";
interface CalenderContextState {
today: Date;
selectedMonth: Date;
endOfCurrMonth: Date;
lastDay: number;
daysOfMonth: [number] | [null];
daysOfWeek: {
startOfWeek: {
Sunday: [days];
Monday: [days];
};
};
}
const CalenderContext = createContext({} as CalenderContextState);
const CalenderContextProvider = ({
children,
}: {
children: ReactNode;
}): JSX.Element => {
// Today's date
const [today] = useState<Date>(new Date());
// Selected month & year
const [selectedMonth, setSelectedMonth] = useState<Date>(today);
const [endOfSelectedMonth, SetEndOfSelectedDMonth] = useState<Date>(
endOfMonth(selectedMonth)
);
const [lastDayOfSelectedMonth, setLastDayOfSelectedMonth] = useState<number>(
getDate(endOfSelectedMonth)
);
const [daysOfMonth, setDaysOfMonth] = useState<[number] | [null]>([null]);
useEffect(() => {
if (
lastDayOfSelectedMonth !== daysOfMonth[daysOfMonth.length - 1] ||
daysOfMonth === null
) {
const newDaysOfMonth: [number] = [0];
for (let i = daysOfMonth.length; i < lastDayOfSelectedMonth; i++) {
if (newDaysOfMonth.length === 1) {
newDaysOfMonth[0] = 1;
}
newDaysOfMonth.push(newDaysOfMonth.length + 1);
}
setDaysOfMonth(newDaysOfMonth);
}
}, [selectedMonth, lastDayOfCurrMonth]);
// Calender Layout
const daysOfWeek = {
startOfWeek: {
Sunday: [
"Sunday",
"Monday",
"Tuesday",
"Wednesday",
"Thursday",
"Friday",
"Saturday",
],
Monday: [
"Monday",
"Tuesday",
"Wednesday",
"Thursday",
"Friday",
"Saturday",
"Sunday",
],
},
};
//TODO: Create an object of arrays that will align with the days on the week. Make two sets for each start of the week setting.
// Navigation
const prevMonth = (): void => {};
const calenderContextValues = {
today,
selectedMonth,
daysOfMonth,
daysOfWeek,
prevMonth,
};
return (
<CalenderContext.Provider value={calenderContextValues}>
{children}
</CalenderContext.Provider>
);
};
export { CalenderContextProvider, CalenderContext };