Node.js supports using require('/path/to/file-name.json') to import a JSON file. It is equivalent to this code:

const fs = require('fs');
module.exports = JSON.parse(
        fs.readFileSync('/path/to/file-name.json', 'utf8'));

That is, the JSON file is read synchronously, and the text is parsed as JSON. The resultant object is available as the object exported from the module. Create a file named data.json, containing the following:

{ 
    "hello": "Hello, world!", 
    "meaning": 42 
}

Now create a file named showdata.js, containing the following:

const util = require('util');
const data = require('./data');
console.log(util.inspect(data));

It will execute as follows:

$ node showdata.js 
{ hello: 'Hello, world!', meaning: 42 }

The util.inspect function is a useful way to present an object in an easy-to-read fashion.