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

To use the setDay function from the date-fns library in TypeScript, you need to first install the date-fns library and import the setDay function from it. Here is an example code snippet:

index.ts
import { setDay } from 'date-fns';

const date = new Date();
const newDate = setDay(date, 1); // sets the day of the week to Monday
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In the code snippet above, we import the setDay function from the date-fns library. We create a new Date object and then call the setDay function with the date object and the desired day of the week (in this case, Monday is represented by 1). The setDay function returns a new Date object with the day of the week set to the specified day, and this new Date object is stored in the newDate variable.