Build A Twitter Bot Using NodeJS

Build A Twitter Bot Using NodeJS

Learn how to create a twitter bot using NodeJS that let us tweet using the command line directly. We will use twitter - a client library for the Twitter REST and Streaming APIs. This npm package will make the whole process of building the bot a whole lot easier and faster.

Learn how to create a twitter bot using NodeJS that let us tweet using the command line directly

Build a Twitter Bot with NodeJs

Hey there! In this blog post, we will build a twitter bot that let us tweet using the command line directly.

Node and npm (or, yarn) must be installed on your system.

Let's Start 🎉

We will use twitter - a client library for the Twitter REST and Streaming APIs. This npm package will make the whole process of building the bot a whole lot easier and faster.

1. Apply for a Twitter Developer Account

To be able to access Twitter API, you need a Twitter Developer Account. Apply for it here. Click on Apply for a Developer Account.

Twitter Developer Account

It will ask you to log in. Select appropriate settings after logging in. It will also generate keys and secret tokens like Consumer Key, Consumer Secret, Access Token Key, Access Token Secret. Copy and save them somewhere for future use.

2. Setup Project

Make a project folder with any name of your choice. Run npm init to initialize the project. This will generate a package.json file in your directory. Alternatively, you can run npm init -y to setup your project with default settings.

package.json holds all the dependencies of a project.

Since our project will be dependent on twitter client library, it's time we install this dependency in our project. Run npm install twitter to include this in your package.json .

3. Setup Files

Now we will start with the actual coding part. At the moment, your project folder will have a node_modules folder, a package.json file, and a package-lock.json file. If you have gone with the default options while running npm init, then index.js is the file we will be working upon.

Open index.js. To be able to use the twitter library, which we have installed, you need to include it in index.js.

var Twitter = require('twitter');

Also, remember the keys and tokens you got from Twitter Developer Portal? It's time we use them.

var client = new Twitter({
    consumer_key: process.env.CONSUMER_KEY,
    consumer_secret: process.env.CONSUMER_SECRET,
    access_token_key: process.env.ACCESS_TOKEN_KEY,
    access_token_secret: process.env.ACCESS_TOKEN_SECRET
});

Do not add your Consumer or Access Token keys or secrets directly in the **index.js**. These should be managed accordingly using environment variables.

We will use dotenv library to manage our environment variables in NodeJS. Run npm install dotenv and follow these instructions. Your .env will look something like this.

CONSUMER_KEY=........................................
CONSUMER_SECRET=.....................................
ACCESS_TOKEN_KEY=....................................
ACCESS_TOKEN_SECRET=.................................

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