JHjhp123·May 25, 2023
My library https://github.com/jhp/imperative is also under 2kB
In VanJS (Vanilla JavaScript): smallest reactive UI frameworkjhp
imperative
JavaScript2019–2023
jhp / imperative
imperative
Structured UI Programming with ES6 Generators
2Distinct people
3Mentions
0Explicit recommenders
26GitHub stars
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What it is
Structured UI Programming with ES6 Generators
GitHub
Where it is used
No documented product use has been verified yet.
What people are saying
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This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:03:16 PM UTC.
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Mentions over time
HN mentions by year3 dated mentions
Observed mentions: 2019-04-25 15:15:34 UTC to 2023-05-25 16:52:18 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| 2019 | 2019-01-01 00:00:00 UTC | 2020-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2020 | 2020-01-01 00:00:00 UTC | 2021-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2021 | 2021-01-01 00:00:00 UTC | 2022-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2022 | 2022-01-01 00:00:00 UTC | 2023-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2023 | 2023-01-01 00:00:00 UTC | 2024-01-01 00:00:00 UTC | 2 | 1 | 1 |
What Hacker News says
3 sourcesImperative – 1.5kb JavaScript Framework using Generators
2 points · Open discussionIt looks like we've discovered the same approach in parallel. I even wrote a haskell version first, https://github.com/jhp/sneathlane-haste and then a js version using generators https://github.com/jhp/imperative
Sneathlane is a little different because it outputs to canvas and has a rather complex Widget type to handle focus and to allow different outputs to work together, but the Monad instance has the same behavior of waiting for widget completion. Imperative leans more on the DOM, it has its own VDOM implementation where yours looks to use React's but otherwise the libraries look very similar.
I'm a web developer, I've worked with everything from FRP to React, I think this approach is the best. I hope Concur will help to popularize it! I'm writing this on my commute but will be looking into this further today, to see if there's anythi
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ng in Imperative that might enrich Concur or vice versa.