Most of the Node.js examples for GitHub Actions use version numbers like 12.x. This value describes the latest Node.js v12 release, independently from the minor or patch version. The Node.js GitHub Action supports exact version numbers beside the wildcard match. This is helpful when you want …

GitHub Actions have different triggers. You can run an action when pushing code to a repository, or when creating a new tag. When building open source packages, you may receive pull requests from users. Typically, you want to run your test suite against the changed code in the pull request. …

While building the queuing feature in the Supercharge framework, we wanted to enqueue jobs with a delay. You can delay a job by a given number of seconds. Internally, Supercharge stores a notBefore date with the added delay seconds. This tutorial shows you how to add seconds to a date …

Sorting data is a common task in programming. JavaScript provides a .sort(comparator) method on arrays allowing you to sort data with custom comparator. A comparator represents a compare function determining which element comes before the other. When sorting integers, a custom compare function comes handy because you can ensure …

You may want to add different behavior for different input types when working with functions in Node.js and JavaScript. For example, if an input is a promise, you want to resolve it first before moving on with the actual processing. This tutorial shows you how to detect whether a …

Creating promises in Node.js or JavaScript is a common way to run an asynchronous task. There’s a gotcha that you need to be aware of: the global Promise object provides a constructor that requires an executor function. The promise executor is a function accepting two other functions: resolve …

Merging objects in JavaScript is a common task. For example, when starting an application you may load multiple configuration files and merge them into a single configuration object. This tutorial shows you how to merge objects in JavaScript. {{outline}} Merge Objects Merging objects in JavaScript is possible in different ways. …

When building tools that work with dates, you may want to provide a button that acts as a shortcut to increase a date by one week. Internally, your application still works with actual dates and you may want to calculate the date in one week. This tutorial shows you how …