Make your end to end tests fast

This page summarizes the projects mentioned and recommended in the original post on dev.to

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  • threads.js

    🧵 Make web workers & worker threads as simple as a function call.

    We did this via the npm threads wrapper and esbuild. We first moved all of our compute code into a new file with minimal imports, called imageCompare.worker.js. We then added a pre-compilation step with esbuild to compile this file into a bundle. We then spawn the worker using this generated file as a blob, and interact with it via the threads promise interface.

  • Playwright

    Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

    We released Reflow v4.14.0 today, which reduces our average end-to-end test sequence time by ~70%. We're writing this article to explain how. Reflow is a low-code tool that helps your team develop and maintain resilient end-to-end tests. We use playwright under the hood, so anything we've done can be applied regardless of if you use Reflow or not.

  • SurveyJS

    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.

  • esbuild

    An extremely fast bundler for the web

    We did this via the npm threads wrapper and esbuild. We first moved all of our compute code into a new file with minimal imports, called imageCompare.worker.js. We then added a pre-compilation step with esbuild to compile this file into a bundle. We then spawn the worker using this generated file as a blob, and interact with it via the threads promise interface.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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