github.com/vercel/little-date @v1.2.1 sqlite

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Small & sweet date-range formatting

An opinionated library that makes date-ranges short and readable.

_{Prepared by Timo Lins 👨‍🍳 during a ▲ Vercel Hackathon}

Introduction

When displaying date-ranges in UI, they are often too long, repetitive, and hard to read. little-date solves this problem by making date ranges short, readable, and easy to understand.

Consider this example:

// Typical long format
console.log(`${from.toLocaleString()} - ${to.toLocaleString()}`);
// Output: "1/1/2024, 00:00:00 AM - 1/12/2024, 23:59:59 PM"

// With little-date
console.log(formatDateRange(from, to));
// Output: "Jan 1 - 12"

little-date is based on date-fns. It supports localization and can be used in both Node.js and the browser.

Examples dates ✨

• Jan 1 - 12
• Jan 3 - Apr 20
• January 2023
• Q1 2023

Wasn't that easy to read? You can find a full list of formatting examples here.

Usage

import { formatDateRange } from 'little-date';

const from = new Date('2023-01-01T00:00:00.000Z');
const to = new Date('2023-01-12T23:59:59.999Z');

formatDateRange(from, to); // Outputs: "Jan 1 - 12"

Installation

With pnpm

pnpm i little-date

With NPM

npm i little-date

Formatting Examples

Advanced Options

Most of the formatting behavior is opinionated and can't be changed. However, there are some options that can be used to customize the output.

import { formatDateRange } from 'little-date';

// ...

formatDateRange(from, to, {
  locale: 'de-AT', // Overwrite the default locale
  includeTime: false, // Prevent time from being displayed
  today: new Date(), // Overwrite the default "today" date, useful for testing
  separator: '-', // Overwrite the default separator. E.g. from "Jan 1 - 12" to "Jan 1 to 12"
  timezone: 'Europe/Vienna', // Overwrite the timezone used for displaying times
});

Customization

To keep things simple, there is minimal customization offered by little-date.

For more extensive customization beyond the provided options, it's recommended to copy the implementation from src/format-date-range.ts into your own repository. This allows you to modify the formatting logic to precisely fit your needs.

Contribute

We welcome contributions! If you'd like to improve little-date or have any feedback, feel free to open an issue or submit a pull request.

License

MIT