JSON to CSV Converter

A simple Node.js utility to convert JSON files to CSV format.

Installation

Using npx (Recommended)

No installation required! Use directly with npx:

npx @ceyhuncicek/jsontocsv <input-json-file> <output-csv-file>

Local Installation

npm install

Usage

Using npx (No Installation Required)

npx @ceyhuncicek/jsontocsv data.json output.csv

This will automatically download and run the latest version without requiring local installation.

Command Line (Local Installation)

node jsonToCsv.js <input-json-file> <output-csv-file>

Example:

node jsonToCsv.js data.json output.csv

Programmatic Usage

const convertJsonToCsv = require("./jsonToCsv");

const jsonData = [
  { name: "John", age: 30 },
  { name: "Jane", age: 25 },
];

convertJsonToCsv(jsonData, "output.csv")
  .then(() => console.log("Conversion complete"))
  .catch((error) => console.error("Error:", error));

Input Format

The input JSON should be either:

• An array of objects
• A single object

Each object should have consistent keys that will be used as CSV headers.

Error Handling

The converter includes error handling for:

• Invalid JSON input
• Empty data
• File system errors
• Invalid arguments