simpatico
proposal-iterator-helpers
simpatico | proposal-iterator-helpers | |
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2 | 35 | |
7 | 1,242 | |
- | 2.6% | |
9.6 | 5.0 | |
22 days ago | 24 days ago | |
JavaScript | HTML | |
MIT License | - |
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simpatico
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JavaScript import maps are now supported cross-browser
>Does this mean that in theory i could skip the build/bundling step entirely?
You can but you must write your app in something the browser understands (js not ts, css not sass etc) and use native modules. For example, here is the test harness for a custom module, written in pure html with no build step: https://github.com/javajosh/simpatico/blob/master/combine2.h.... Here is a more complex (and much older) example from Crockford: https://www.jslint.com/
And yes, the experience developing this way is quite nice!
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Deno Joins TC39
*>...use types [at] runtime..."
Two things. First, TS conceives of itself as having no runtime component. If it did, I think people (including the TS devs) would be more confused.
Second, I'd say rather we need a runtime type system. In fact I've tried my hand at writing one in the most minimalist way possible, and have been working on it recently [1]. The type system is explicit in that a type is a JSON like object, similar to JSON schema, but 100x less code.
[1] https://github.com/javajosh/simpatico/blob/master/friendly.h... This is effectively the test harness for the module.
proposal-iterator-helpers
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TC39: Add Object.groupBy and Map.groupBy
Global iterator type is coming: https://github.com/tc39/proposal-iterator-helpers
But a method named `groupBy` on iterators traditionally means a different thing: https://github.com/tc39/proposal-array-grouping/issues/51#is...
Global iterable type it's too late for, since there's many extant iterables in the language and on the web which don't have it in their prototype chain and can't reasonably be changed.
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Lodash just declared issue bankruptcy and closed every issue and open PR
Very much agreed. The amount of mileage we get from using Spread (literally the ...) alone has been amazing. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... Iteration helpers is shipping soon, that'll be a huge help (async iteration helpers will be delayed for a while). https://github.com/tc39/proposal-iterator-helpers .
In the olden days, I feel like the codebases I worked on needed to use .apply() multiple times a week, to figure out some creative way of invoking functions. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... That's all gone now; I'd take even odds that 50% of my team knows .call and .apply.
Chrome 117 is shipping Object.groupBy() and that's gonna be a huge help in eliminating a lot of the last places we end up using lodash. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...
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It’s 2023. Start using JavaScript Map and Set
Once this https://github.com/tc39/proposal-iterator-helpers reaches browsers, I'm prob gonna be exclusively using Maps.
- Why I Like Using Maps (and WeakMaps) for Handling DOM Nodes
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Updates from the 95th TC39 meeting
No, probably not. But with iterator helpers, you can do
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All JavaScript and TypeScript features of the last 3 years explained
> focus more on improving the terrible JS web API
That's W3C’s job, not ECMA’s.
> Where are all the containers?
?
> Sorted sets/maps?
Sets and Maps are sorted (by insertion order)
> Why can't I even map an iterator?
It's coming, but someone will likely be exhausted by that addition. https://github.com/tc39/proposal-iterator-helpers
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Uncle Bob and Casey Muratori Discuss Clean Code
Upcoming: https://github.com/tc39/proposal-iterator-helpers
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[AskJS] Is JavaScript missing some built-in methods?
Not Generators, but Iterators have a Stage 3 proposal with helpers like these.
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Just fighting URLSearchParams and wonder if anyone uses iterators IRL and what I do miss
I guess you are not the only one dealing with this. That’s why there is this proposal https://github.com/tc39/proposal-iterator-helpers So hopefully it will get easier soon. But in most cases you can simply wrap it in Array.from or you can also clone with the spread operator.
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Iterator/Generator Exercises?
Let's assume Number.range(), iterator helpers and some isPrime() function. From that we could easily create the following:
What are some alternatives?
proposal-resizablearraybuffer - Proposal for resizable array buffers
proposal-function-helpers - A withdrawn proposal for standardizing some useful, popular helper functions into JavaScript’s Function object.
zod - TypeScript-first schema validation with static type inference
IxJS - The Interactive Extensions for JavaScript
proposal-do-expressions - Proposal for `do` expressions
proposal-hack-pipes - Draft specification for Hack pipes in JavaScript.
compression-dictionary-transport
proposal-hack-pipes - Draft specification for Hack pipes in JavaScript. [Moved to: https://github.com/tc39/proposal-hack-pipes]
download-esm - Download ESM modules from npm and jsdelivr
EventSource - a polyfill for http://www.w3.org/TR/eventsource/
proposal-source-phase-imports - Proposal to enable importing modules at the source phase
mpr.kirke.dev