request is now deprecated. It is recommended you use an alternative In no particular order and dreadfully incomplete: native HTTP/S, const https = require(‘https’); node-fetch axios got superagent bent make-fetch-happen unfetch tiny-json-http needle urllib Stats comparision Some code examples Original answer: This gets a lot easier if you use the request library. var request = … Read more
Nginx works as a front end server, which in this case proxies the requests to a node.js server. Therefore you need to setup an Nginx config file for node. This is what I have done in my Ubuntu box: Create the file yourdomain.example at /etc/nginx/sites-available/: vim /etc/nginx/sites-available/yourdomain.example In it you should have something like: # … Read more
Buffers can be used for taking a string or piece of data and doing Base64 encoding of the result. For example: > console.log(Buffer.from(“Hello World”).toString(‘base64’)); SGVsbG8gV29ybGQ= > console.log(Buffer.from(“SGVsbG8gV29ybGQ=”, ‘base64’).toString(‘ascii’)) Hello World Buffers are a global object, so no require is needed. Buffers created with strings can take an optional encoding parameter to specify what encoding the … Read more
If you have to install an older version of a package, just specify it npm install <package>@<version> For example: npm install express@3.0.0 You can also add the –save flag to that command to add it to your package.json dependencies, or –save –save-exact flags if you want that exact version specified in your package.json dependencies. The … Read more
The difference between –save and –save-dev may not be immediately noticeable if you have tried them both on your own projects. So here are a few examples… Let’s say you were building an app that used the moment package to parse and display dates. Your app is a scheduler so it really needs this package … Read more
I found it after looking through the documentation again. What I was looking for were the __filename and __dirname module-level variables. __filename is the file name of the current module. This is the resolved absolute path of the current module file. (ex:/home/kyle/some/dir/file.js) __dirname is the directory name of the current module. (ex:/home/kyle/some/dir)
Simplest Node.js server is just: $ npm install http-server -g Now you can run a server via the following commands: $ cd MyApp $ http-server If you’re using NPM 5.2.0 or newer, you can use http-server without installing it with npx. This isn’t recommended for use in production but is a great way to quickly … Read more
The command is simply npm uninstall <name> The Node.js documents https://npmjs.org/doc/ have all the commands that you need to know with npm. A local install will be in the node_modules/ directory of your application. This won’t affect the application if a module remains there with no references to it. If you’re removing a global package, … Read more
This looks like a permissions issue in your home directory. To reclaim ownership of the .npm directory execute: sudo chown -R $(whoami) ~/.npm
The answer to this question has changed over the years. The current answer is here at the top, followed by the various answers over the years in chronological order: Current Answer You can use fs.existsSync(): const fs = require(“fs”); // Or `import fs from “fs”;` with ESM if (fs.existsSync(path)) { // Do something } It … Read more