I’ve been trying to find a way to write to a file when using Node.js, but with no success. How can I do that? 1 19 There are a lot of details in the File System API. The most common way is: const fs = require(‘fs’); fs.writeFile(“/tmp/test”, “Hey there!”, function(err) { if(err) { return console.log(err); … Read more
I just installed Node.js & NPM (Node Package Manager) I installed NPM for access to additional Node.js Modules. After I installed Node.js & NPM I noticed that neither were the latest versions available. I would like to know: How do I upgrade Node.js, NPM, and my Node.js Modules to their latest versions? Do I need … Read more
npm 5 was released today and one of the new features include deterministic installs with the creation of a package-lock.json file. Is this file supposed to be kept in source control? I’m assuming it’s similar to yarn.lock and composer.lock, both of which are supposed to be kept in source control. 12 Yes, package-lock.json is intended … Read more
What is the command that is used to exit? (i.e terminate the Node.js process) 2 22 Call the global process object’s exit method: process.exit() From the docs: process.exit([exitcode]) Ends the process with the specified code. If omitted, exit uses the ‘success’ code 0. To exit with a ‘failure’ code: process.exit(1); The shell that executed node … Read more
Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new answers or interactions. I am new to this kind of stuff, but lately I’ve been hearing a lot about how good Node.js is. Considering how much I love working with jQuery and … Read more
I copied package.json from another project and now want to bump all of the dependencies to their latest versions since this is a fresh project and I don’t mind fixing something if it breaks. What’s the easiest way to do this? The best way I know is to run npm info express version then update … Read more
Are there any issues with using async/await in a forEach loop? I’m trying to loop through an array of files and await on the contents of each file. import fs from ‘fs-promise’ async function printFiles () { const files = await getFilePaths() // Assume this works fine files.forEach(async (file) => { const contents = await … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 3 months ago. Improve this question How do I find (and kill) processes that listen to/use my TCP ports? I’m on macOS. Sometimes, after a … Read more
This documentation answers my question very poorly. I didn’t understand those explanations. Can someone say in simpler words? Maybe with examples if it’s hard to choose simple words? EDIT also added peerDependencies, which is closely related and might cause confusion. 1 17 Summary of important behavior differences: dependencies are installed on both: npm install from … Read more
How to find the version of an installed node.js/npm package? This prints the version of npm itself: npm -v <package-name> This prints a cryptic error: npm version <package-name> This prints the package version on the registry (i.e. the latest version available): npm view <package-name> version How do I get the installed version? 3 35
