deno
ava
Our great sponsors
deno | ava | |
---|---|---|
448 | 34 | |
92,841 | 20,619 | |
0.5% | 0.2% | |
9.9 | 8.2 | |
about 16 hours ago | 7 days ago | |
Rust | 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.
deno
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Bun - The One Tool for All Your JavaScript/Typescript Project's Needs?
NodeJS is the dominant Javascript server runtime environment for Javascript and Typescript (sort of) projects. But over the years, we have seen several attempts to build alternative runtime environments such as Deno and Bun, today’s subject, among others.
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Bun 1.1
https://github.com/denoland/deno/issues is the ideal place -- we try to triage all incoming issues, the more specific the repro the easier it is to address but we will take a look at everything that comes in.
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I have created a small anti-depression script
Install Node.js (or Bun, or Deno, or whatever JS runtime you prefer) if it's not there
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How QUIC is displacing TCP for speed
QUIC is very exciting, after seeing what it can do for performance in Cloudflare network and Cloudflare workers, I can't wait to finally see it in Deno[0] 1.41.
[0] https://github.com/denoland/deno/pull/21942#issuecomment-192...
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Unison Cloud
So as an end user it's kind of like https://deno.com/ where you buy into a runtime + comes prepacked with DBs (k/v stores), scheduling, and deploy stuff?
> by storing Unison code in a database, keyed by the hash of that code, we gain a perfect incremental compilation cache which is shared among all developers of a project. This is an absolutely WILD feature, but it's fantastic and hard to go back once you've experienced it. I am basically never waiting around for my code to compile - once code has been parsed and typechecked once, by anyone, it's not touched again until it's changed.
Interesting. Whats it like upgrading and managing dependencies in that code? I'd assume it gets more complex when it's not just the Union system but 3rd party plugins (stuff interacting with the OS or other libs).
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Deno in 2023
~90MB+ at this stage and do now allow compression without erroring out. Deploying ala Golang is not feasible at that level but could well be down the line if this dev branch is picked up again!
The exe output grew from from ~50MB to plus ~90MB from 2021 to 2024: https://github.com/denoland/deno/discussions/9811 which mean Deno is worse than Node.js's pkg solution by a decent margin.
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Mini site for recommending songs using Svelte & Deno
Behind the scenes is a simple Sveltekit-powered server function to fetch a Spotify client token then find a user's recommendation playlist and its track information. A Deno edge function to performs this data fetch and renders server-side Svelte.
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Supercharge your app with user extensions using Deno JavaScript runtime
If your application is written in JavaScript, integrating it with JavaScript extensions is a no-brainer. However, Secutils.dev is entirely written in Rust. How would I even begin? Fortunately, I recently came across an excellent blog post series explaining how to implement your JavaScript runtime in a Rust application with Deno:
- Deno, the next-generation JavaScript runtime
- Oxlint – written in Rust – 50-100 Times Faster than ESLint
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 don’t 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 – 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:
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?
ASP.NET Core - ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
jest - Delightful JavaScript Testing.
typescript-language-server - TypeScript & JavaScript Language Server
ocapi-proxy - Salesforce Commerce Cloud Node.js OCAPI Proxy Router
pnpm - Fast, disk space efficient package manager
vitest - Next generation testing framework powered by Vite.
esbuild - An extremely fast bundler for the web
tape - tap-producing test harness for node and browsers
bun - Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
mocha - ☕️ simple, flexible, fun javascript test framework for node.js & the browser
Koa - Expressive middleware for node.js using ES2017 async functions
tap - Test Anything Protocol tools for node