flatpickr Deployment and Usage Guide

Prerequisites

Runtime: Modern web browser (IE9+, Edge, iOS Safari 6+, Chrome 8+, Firefox 6+)
Tools: Node.js and npm (for development and building)
Package Manager: npm (comes with Node.js)

Installation

Using npm (Recommended)

npm install flatpickr --save

Using yarn

yarn add flatpickr

Using CDN

Add the following to your HTML file:

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/flatpickr/4.6.9/flatpickr.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/flatpickr/4.6.9/flatpickr.min.js"></script>

Manual Download

Download the latest release from the GitHub releases page and include the files in your project.

Configuration

Basic Setup

<input type="text" id="datepicker">

import flatpickr from "flatpickr";

flatpickr("#datepicker", {
  // Configuration options
  enableTime: true,
  dateFormat: "Y-m-d H:i",
  locale: "en" // or any of the 51 supported locales
});

Available Configuration Options

allowInput: Allow manual date entry (default: false)
altInput: Show formatted date in an alternative input field
enableTime: Enable time selection
dateFormat: Format for returned date string
locale: Language locale (default: "en")
plugins: Array of plugins to enable

Environment Variables

No specific environment variables are required for flatpickr.

Build & Run

Development

Clone the repository:

git clone https://github.com/flatpickr/flatpickr.git
cd flatpickr

Install dependencies:

npm install

Start development server:

npm run dev

Production Build

npm run build

This will generate:

dist/flatpickr.js - Unminified version
dist/flatpickr.min.js - Minified version
dist/flatpickr.css - Stylesheet

Running Tests

npm test

Deployment

Static Website Hosting

flatpickr is a client-side library that can be deployed on any static hosting platform:

Vercel (formerly Zeit Now)
Netlify
GitHub Pages
Surge.sh
Amazon S3 with static website hosting

Integration with Frameworks

flatpickr integrates with various frameworks through addons:

React

npm install react-flatpickr

Vue

npm install vue-flatpickr-component

Angular

npm install ng2-flatpickr

Ember

npm install ember-flatpickr

Troubleshooting

Common Issues

1. Calendar not appearing

Ensure the input element exists before initializing flatpickr
Check for JavaScript errors in the console
Verify the selector is correct

2. Date format issues

Check the dateFormat configuration
Ensure the locale is properly loaded
Verify the format tokens match your requirements

3. Timezone problems

Use ISO 8601 format strings with timezone information
Consider using the utc option if needed

4. Plugin conflicts

Ensure plugins are properly imported and configured
Check for version compatibility between flatpickr and plugins

Performance Tips

Use the minified version (flatpickr.min.js) in production
Only load the locales you need
Consider using the disableMobile option for better mobile experience

Browser Compatibility

IE9+ (with polyfills for newer JavaScript features)
All modern browsers
For older browsers, consider using a polyfill service

Localization Issues

Ensure the locale file is properly imported
Check that locale-specific format tokens are supported
Verify the locale name matches the available options

Build Errors

Clear the dist folder and rebuild
Check for outdated dependencies
Ensure Node.js version compatibility

For more detailed documentation, visit flatpickr.js.org or check the GitHub repository.

How to Deploy & Use chmln/flatpickr