how to use the areintervalsoverlapping function from the date-fns library in typescript

To use the areIntervalOverlapping() function from the date-fns library in TypeScript, you'll first need to install the library using a package manager like npm. You can do this by running the following command in your project's directory:

npm install date-fns
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Once you have the library installed, you can then import the areIntervalsOverlapping() function in your TypeScript code like this:

index.ts
import { areIntervalsOverlapping } from 'date-fns';
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From there, you can use the areIntervalsOverlapping() function to check whether two intervals are overlapping, like this:

index.ts
const interval1 = { start: new Date('2021-07-01T00:00:00.000Z'), end: new Date('2021-07-10T00:00:00.000Z') };
const interval2 = { start: new Date('2021-07-08T00:00:00.000Z'), end: new Date('2021-07-15T00:00:00.000Z') };
const overlapping = areIntervalsOverlapping(interval1, interval2);
console.log(overlapping); // true
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In this example, we're creating two interval objects with start and end properties that represent the start and end times of the intervals we want to check for overlap. We're then passing those objects as arguments to the areIntervalsOverlapping() function, which returns true because the intervals overlap.

I hope this helps!