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Haiti Utils

haiti-utils is a lightweight, zero-dependency npm package that provides simple and reliable utilities for working with Haitian geographical data.

Why use haiti-utils?

• Save Time: Stop searching for and hardcoding lists of departments, communes, or postal codes.
• Reliable Data: Access a complete and structured dataset for all 10 departments.
• Easy to Use: A simple and intuitive API that is fully typed with TypeScript.
• Case-Insensitive: All search functions are case-insensitive for a better developer experience.

Installation

npm install haiti-utils
# or
yarn add haiti-utils
# or
bun add haiti-utils

Usage

Here are a few examples of how to use the package.

Get a list of all departments

import { getDepartments } from 'haiti-utils';

const departments = getDepartments();
console.log(departments);
// Output: ["Artibonite", "Centre", ...]

Get the communes of a specific department

import { getCommunes } from 'haiti-utils';

// The search is case-insensitive
const communes = getCommunes('Ouest'); 
console.log(communes);
// Output: ["Arcahaie", "Cabaret", ...]

Get the postal code of a commune

import { getPostalCode } from 'haiti-utils';

// The search is case-insensitive for both department and commune
const postalCode = getPostalCode('Ouest', 'Pétion-Ville');
console.log(postalCode);
// Output: "HT6122"

const notFound = getPostalCode('Nord', 'InvalidCommune');
console.log(notFound);
// Output: null

Get all data

import { getAllData } from 'haiti-utils';

const allData = getAllData();
console.log(allData[0].department); // "Artibonite"
console.log(allData[0].communes[0].name); // "Dessalines"

Validate a phone number

import { validatePhoneNumber } from 'haiti-utils';

validatePhoneNumber('+509 34 56 78 90'); // true
validatePhoneNumber('55555555'); // false

Format a phone number

import { formatPhoneNumber } from 'haiti-utils';

// Default format (international)
formatPhoneNumber('34567890'); // "+509 34 56 78 90"

// National format
formatPhoneNumber('+509 34.56.78.90', { format: 'national' }); // "3456-7890"

// Compact format
formatPhoneNumber('34567890', { format: 'compact' }); // "+50934567890"

// Invalid number
formatPhoneNumber('12345'); // null

API Reference

getDepartments(): string[]

Returns a list of all department names.

getCommunes(department: string): string[]

Returns a list of all communes for a given department. The search is case-insensitive. Returns an empty array if the department is not found.

getPostalCode(department: string, commune: string): string | null

Returns the postal code for a specific commune within a department. The search is case-insensitive for both department and commune. Returns null if not found or not available.

getAllData(): DepartmentData[]

Returns the complete dataset of all departments and their communes.

validatePhoneNumber(phoneNumber: string): boolean

Validates a Haitian phone number. It handles common formats, including the +509 country code, and ignores spaces or hyphens. Returns true if the number is valid, false otherwise.

formatPhoneNumber(phoneNumber: string, options?: { format: 'international' | 'national' | 'compact' }): string | null

Formats a Haitian phone number into a consistent, readable format. If the number is invalid, it returns null. The default format is international.

Contributing

Contributions, issues, and feature requests are welcome! Feel free to check the issues page.