pokedex.js
proposal-record-tuple
pokedex.js | proposal-record-tuple | |
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1 | 73 | |
0 | 2,447 | |
- | 1.0% | |
3.5 | 2.7 | |
10 months ago | 6 months ago | |
TypeScript | HTML | |
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pokedex.js
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Solid.js feels like what I always wanted React to be
I ran a profiling tool. I searched "zz" then deleted these.
Deleting it caused a 120ms UI freeze (and I notice it :p):
Profiling report: https://share.firefox.dev/3C3OhIq
Given I had slightly more entries (a hundred more) and that I had way more node per entry, it led me with way worse performance.
Instead of a plain list I have a little summary card per pokemon (which is why I have more node per entry).
The naive implementation in Vue run flawlessly(sadly no preview):
https://github.com/Kuinox/kuinox_pokedex/
Note that the react implementation do weird thing because I tried to get around the issue without success.
proposal-record-tuple
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Union, intersection, difference, and more are coming to JavaScript Sets
relevant issue, which is at the crux of this problem: https://github.com/tc39/proposal-record-tuple/issues/387
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The Everything NPM Package
There are still so many basic things that aren't in the JS stdlib, though. A good example is Map - if you need to use a tuple of two values as a key, you're SOL because there's no way to customize key comparisons. Hopefully we'll get https://tc39.es/proposal-record-tuple/ eventually, but meanwhile languages ranging from C++ to Java to Python have had some sensible way to do this for over 20 years now.
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Deep Cloning Objects in JavaScript, the Modern Way
If you’re reaching for structuredClone, what you really want is native immutable Record and Tuple syntax, and the companion “deep path properties” syntax which allows for efficient and ergonomic immutable updates:
- https://github.com/tc39/proposal-record-tuple
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Cool language features that Rust is missing?
It will be called "record" in JavaScript which will swing the popularity back the other way I guess (currently a language proposal)
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Why doesn't TypeScript properly type Object.keys?
I suspect considering the strong desire to maintain consistency with JavaScript, we will eventually see something that when the Record proposal passes through tc39
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ES2023 features list!
I hope the Record and Tuple proposal makes it through
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ES2023 introduces new array copying methods to JavaScript
I mean, I'd love some real immutable/persistent data structures in JS by default, or even some Immer-like syntax sugar. Something like the record/tuple proposal would be awesome.
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What's new in ECMAScript 2023
This will become very useful once Records and Tuples are a thing, because it allows you to store object references in a record/tuple (which by definition can only contain primitives).
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[AskJS] Is JavaScript missing some built-in methods?
Record and tuple is at stage 2
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The huge potential of Kotlin/Wasm
Also, js has an ongoing immutable value data types proposal.
What are some alternatives?
htm - Hyperscript Tagged Markup: JSX alternative using standard tagged templates, with compiler support.
zod - TypeScript-first schema validation with static type inference
solid-docs - Cumulative documentation for SolidJS and related packages.
Immer - Create the next immutable state by mutating the current one
typescript-eslint - :sparkles: Monorepo for all the tooling which enables ESLint to support TypeScript
typescript-is
TypeScript - TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
proposals - Tracking ECMAScript Proposals
ts-node - TypeScript execution and REPL for node.js
proposal-pattern-matching - Pattern matching syntax for ECMAScript
react-18 - Workgroup for React 18 release.
react-tracked - State usage tracking with Proxies. Optimize re-renders for useState/useReducer, React Redux, Zustand and others.