Node.js Script to Download Website Source Code (HTML+CSS+JS) Files From URL For Offline Use Using Node-Site-Downloader Library Full Project For Beginners

Node.js Script to Download Website Source Code (HTML+CSS+JS) Files From URL For Offline Use Using Node-Site-Downloader Library Full Project For Beginners

 

 

 

Welcome folks today in this tutorial we will be building a simple node.js app which will download website source code files including html,css,js and images of website from url in node.js. All the source code of the application will be given below.

 

 

 

Get Started

 

 

 

Now to get started you need to be having node.js installed on your system. And now create a empty node.js project by initializing this command which is below

 

npm init -y

 

This will create a empty package.json file for your project

 

Now you need to install this dependency which will download the source code of website which is node-site-downloader

 

npm i node-site-downloader

 

This will install this package or library inside your package.json file.

 

Now we also need to install this globally inside your system so that the command will work globally

 

To install it globally we need to ad a -g flag to the command like this

 

npm i -g node-site-downloader

 

 

 

Downloading Whole Website Files Locally

 

 

Now we can use this library to download all the website files locally inside your system. This will be full website or clone

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Now let’s suppose we want to download google.com website source code files and images we will execute the following command

 

Usage

 

 

 

node-site-downloader download DOMAIN START_POINT OUTPUT_FOLDER [VERBOSE] [OUTPUT_FOLDER_SUFFIX] [INCLUDE_IMAGES]

 

 

Here -o is the output folder path

--include-images It is a option when you will apply will tell to the cli tool to also download images of the website.

 

Now the command will become for google.com

 

Make sure you add the prefix https:// at the starting of the domain if you don’t write this you will get an error

 

node-site-downloader download -s https://google.com -d https://google.com -v --include-images -o websitefiles

 

You can see that inside the command we have some options

 

download It is a flag that you are passing to the cli tool that you wanna download the website. It is mandatory

--include-images It is the option telling that you need to download the images of the website as well.

-d It stands for domain option that you are passing

 

Just copy paste this command and change your website to your website path to download all the website files including the source code html, js and css and also the images of the website also.

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Now inside the root directory make a index.js file and copy paste the following code

 

index.js

 

 

const fs = require("fs");
const {exec} = require('child_process')
const websiteUrl = 'https://nodejs.org/';

  var directoryPath = Date.now()
  exec(`node-site-downloader download -s ${websiteUrl} -d ${websiteUrl} -o ${directoryPath} -v --include-images`,(err,stdout,stderr) =>{
    if(err){
      console.log(err)
    }
  })

 

 

 

 

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