How to Debug Cloudflare Workers with AppSignal

• appsignal-debug-worker

  1 1 2.1 JavaScript

  Debugging Cloudflare Workers project with AppSignal

You can find the source code for the project we'll use in this article on GitHub. If you would like to follow along, set up a new workers application from scratch using the following commands:

• wrangler-legacy

  139 3,234 7.3 Rust

  Discontinued 🤠 Home to Wrangler v1 (deprecated)

  

Cloudflare Workers is a serverless platform that allows developers to build and quickly deploy backend logic using JavaScript. Unlike most serverless platforms, worker functions can respond to a request in less than 500 milliseconds in cold start conditions. Unfortunately, building a worker application does get frustrating at times due to the difficulty of debugging the code.

• SurveyJS

  surveyjs.io featured

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• date-fns

  119 33,760 9.3 TypeScript

  ⏳ Modern JavaScript date utility library ⌛️

  

We'll build a simple POST request handler that calculates a person's age based on their date of birth. This POST handler will accept date information via JSON. We'll use the date-fns package to handle date calculations.

• Visual Studio Code

  2,851 158,564 10.0 TypeScript

  Visual Studio Code

  

For ease in testing, we'll use the Visual Studio Code editor and REST Client extension.

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