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

To use the startOfDay function from date-fns library in TypeScript, you first need to install the date-fns package by running the following command:

index.ts
npm install date-fns
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Once you have installed the package, you can import the startOfDay function in your TypeScript code as follows:

index.ts
import { startOfDay } from 'date-fns';
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Then, you can use the startOfDay function to get the start of the day for a given date:

index.ts
const currentDate = new Date();
const startOfDay = startOfDay(currentDate);
console.log(startOfDay); // Output: 2022-06-01T00:00:00.000Z
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In the above example, startOfDay function is used to get the start of the day for the current date. The function takes a date as a parameter and returns a new date object representing the start of the day for the given date.