node-stream

stream

details

const fs = require('fs');
const rstream = fs.createReadStream('file.json');
rstream.on('data', chunk => {
    //
});
rstream.on('end', () => {});
rstream.on('error', () => {});

readline

details

const readline = require('readline');

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
});

rl.question('What is your name? ', answer => {
    console.log(`Hello, ${answer}!`);
    rl.close();
});

const fs = require('fs');
const readline = require('readline');

const rl = readline.createInterface({
    input: fs.createReadStream('file.txt'),
    output: process.stdout,
    terminal: false,
});

rl.on('line', line => {
    console.log(`Line from file: ${line}`);
});

rl.on('close', () => {
    console.log('Finished reading file.');
});