Zip Code and Address Converter

This command-line tool allows you to convert zip codes to addresses and vice versa using the OneMap API.

Prerequisites

• Node.js

Installation

1. Clone this repository or download the code.
2. Navigate to the project directory in your terminal.
3. Install the required dependencies:

npm install axios dotenv commander fs

4.Install TypeScript and ts-node globally:

npm install -g typescript ts-node

5.Create a .env file in the project directory and add your OneMap API key:

ONEMAP_API_KEY=your_api_key_here

Usage

To convert a zip code to an address, run the following command:

ts-node index.ts --zipcode <zipcode>

To convert an address to a zip code, run the following command:

ts-node index.ts --address "<address>"

To save the addresses for a zip code to a file, add the --file flag:

ts-node index.ts --zipcode <zipcode> --file

Example

ts-node index.ts --zipcode 123456

ts-node index.ts --address "10 Downing St, Westminster, London"