how to use the quarterstoyears function from date-fns in javascript

The quarterstoyears function from the date-fns library in JavaScript is used to convert quarters to years. It takes one argument, the number of quarters you want to convert to years, and returns the equivalent number of years.

Here is an example usage:

index.tsx
const { quarterToYears } = require('date-fns');

const quarters = 8;
const years = quarterToYears(quarters);

console.log(`${quarters} quarters is equal to ${years} years`);
// Output: 8 quarters is equal to 2 years
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In this example, we import the quarterToYears function from the date-fns library using require. We then pass the number of quarters we want to convert (8 in this case) as the argument to the function, and store the result in the years variable. Finally, we log the result using a template string.

Note that since quarterToYears is a named export, we use destructuring to extract it from the module. You could also use import { quarterToYears } from 'date-fns' if you prefer.