The “unsupported media type“ error occurred while uploading a file to a hapi server. The file is an Excel sheet and at first, it seemed like the content type was the issue. But the problem was the multipart upload which comes with a straightforward fix! {{outline}} Fixing “Unsupported Media Type” …

JavaScript comes with a globally available String class. It provides dozens of useful methods for string transformations. For example, you may lowercase or uppercase a given string, replace parts of the string value, or check whether a string value includes a given term. This tutorial shows you how to remove …

Serializing JavaScript objects and other data structures as JSON is useful for data exchange between a server and a client. The JSON data exchange between client and server doesn’t require a JavaScript stack on both ends. JSON support is typically available in most programming languages. {{outline}} Creating a Custom …

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 …