css-in-js
ava
css-in-js | ava | |
---|---|---|
3 | 34 | |
5,532 | 20,623 | |
- | 0.1% | |
0.0 | 8.0 | |
about 3 years ago | 7 days ago | |
JavaScript | JavaScript | |
MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
css-in-js
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Front-end Guide
As you might have realized by now, the front end ecosystem is saturated with tools, and unsurprisingly, tools have been invented to partially solve some of the problems with writing CSS at scale. "At scale" means that many developers are working on the same large project and touching the same stylesheets. There is no community-agreed approach on writing CSS in JS at the moment, and we are hoping that one day a winner would emerge, just like Redux did, among all the Flux implementations. For now, we are banking on CSS Modules. CSS modules is an improvement over existing CSS that aims to fix the problem of global namespace in CSS; it enables you to write styles that are local by default and encapsulated to your component. This feature is achieved via tooling. With CSS modules, large teams can write modular and reusable CSS without fear of conflict or overriding other parts of the app. However, at the end of the day, CSS modules are still being compiled into normal globally-namespaced CSS that browsers recognize, and it is still important to learn and understand how raw CSS works.
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Why are "CSS classes generally better for performance than inline styles." ~ from react docs
There are a myriad of CSS-in-JS tools, many of which are zero-runtime giving you all the benefits of authoring in a single file without the drawbacks of inline styles. That's how I prefer to do my CSS with React anyway... Vanilla Extract and/or Linaria are my current favorites.
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Why was CSS-In-JS ever a thing?
One thing I think you're really missing is what the output is of CSS-in-JS. There are tens of CSS-in-JS frameworks that can output anything from: CSS Module like classes (Linaria, Vanilla Extract), Atomic Classes (StyleX, PreStyle), to the more traditional (Styled Components, Emotion) many with zero runtime cost (ie no JS bloat). That's why I say CSS-in-JS is primarily about developer experience... the output can often be whatever you want it to be.
ava
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Painless CLI integration testing
We use Jest Framework for testing. Jest is not a dogma, and, of course, in its place can be any other test runner, such as Mocha or Ava. Let's focus on tests. I'll provide a short example because I donβt want to waste your time. You can find the full version here. It's crucial to read the comments in the code below. Let's go!
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Speeding up the JavaScript ecosystem β The barrel file debacle
> In the popular jest test runner, each test file is executed in its own child process.
Is that confirmed?
I've been following this issue:
https://github.com/jestjs/jest/issues/6957
And what Jest actually does is still kind of muddy.
In contrast to that, other test runners like AVA have a clear description what happens when:
https://github.com/avajs/ava/blob/main/docs/01-writing-tests...
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What Tools Are You Using to Test Your Code?
I've been looking at using japa or ava for web server testing but was curious what others were using and why.
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[2023-07-14] Razuberi Development Update
Continued work on the test suite. Implementing AVA, with snapshotting. Making a lot of effort to have the snapshot directory structure match the test262 test directory structure by generating AVA test files.
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Ask HN: What's your favorite software testing framework and why?
You might want to give ava a spin:
https://github.com/avajs/ava/
It has a TAP reporter, but more importantly, as opposed to the more popular solutions, like Jest, the way it achieves parallelism is explained in the docs and won't change anytime soon, thus preventing wonky, hard to debug errors which occur when this part is abstracted away.
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The new React's documentation
I switched to ava for that reason and have been very happy with it. But vitest looks nice, too. Thanks for the pointer.
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How to create and publish a TypeScript library with ease
Runs unit tests using AVA.
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Express API Testing
Last but not least important are ava, uvu and tape; they are a really light and fast test runners.
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Unit testing: What to use, and how?
I've had some good experiences with Ava + Sinon. I've personally disliked Jest because it seemed to do some weird trickery in the background that prevented me from using ES modules.
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Tech stack discussion
Ava for a simpler environment than Jest, which I usually use. I need to check how to mock ESM with it, though.
What are some alternatives?
vanilla-extract - Zero-runtime Stylesheets-in-TypeScript
jest - Delightful JavaScript Testing.
crisp-react - React boilerplate written in TypeScript with a variety of Jamstack and full stack deployments. Comes with SSR and without need to learn a framework. Helps to split a monolithic React app into multiple SPAs and avoid vendor lock-in.
ocapi-proxy - Salesforce Commerce Cloud Node.js OCAPI Proxy Router
linaria - Zero-runtime CSS in JS library
vitest - Next generation testing framework powered by Vite.
styled-components - Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress π
tape - tap-producing test harness for node and browsers
ESLint - Find and fix problems in your JavaScript code.
mocha - βοΈ simple, flexible, fun javascript test framework for node.js & the browser
Rollup - Next-generation ES module bundler
tap - Test Anything Protocol tools for node