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

To use the previoustuesday function from the date-fns library in Typescript, you should first install the date-fns package through a package manager like npm:

npm install date-fns
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Then, you can import the previoustuesday function from the date-fns package as follows:

index.ts
import { previoustuesday } from 'date-fns';
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Once you have imported the previoustuesday function, you can use it to get the date of the previous Tuesday from a given date object or string as follows:

index.ts
const result = previoustuesday(new Date());
console.log(result); // Output: Date object representing the previous Tuesday from the current date
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In the above example, we used the previoustuesday function to get the date of the previous Tuesday from the current date. We passed the new Date() function as the argument to previoustuesday to get the current date object. We then stored the result of previoustuesday in a variable result and logged it to the console.

You can also pass a date string in the ISO format (YYYY-MM-DD) as an argument to previoustuesday function to get the previous Tuesday from that date string.

index.ts
const result = previoustuesday('2022-09-01');
console.log(result); // Output: Date object representing the previous Tuesday from '2022-09-01'
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In the above example, we used the previoustuesday function to get the previous Tuesday from the date '2022-09-01'. We passed the date string as the argument to previoustuesday and stored the result in a variable result. We then logged result to the console.