proposal-iterator-helpers
proposal-iterator.range
proposal-iterator-helpers | proposal-iterator.range | |
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35 | 9 | |
1,248 | 461 | |
3.0% | -0.2% | |
5.0 | 4.1 | |
26 days ago | about 1 year ago | |
HTML | JavaScript | |
- | MIT License |
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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:
proposal-iterator.range
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Not Sure why this keeps occuring.
We are getting a proper range function in JS at some point, which would make it easier to do this sort of thing.
- Ranger: JS Range Syntax for Anything
- ECMAScript proposal changes from the 95th meeting of ECMA TC39
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Updates from the 95th TC39 meeting
Iterator.range: A proposal for ECMAScript to add a built-in Iterator.range()
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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:
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Iterators & Generators in JS
and this is how the proposed Number.range() for JavaScript is designed to work as well.
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ES1995: Javascript that could have been
Number.range()
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Demystifying Iterables by implementing a python like range function
Related: Number.range proposal.
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[AskJS] Why are generators so scarce in the real world?
In case you didn't already know, there's a range proposal for JS which returns an iterable (though built-in iterables don't tend to be implemented with generators, they could be).
What are some alternatives?
proposal-function-helpers - A withdrawn proposal for standardizing some useful, popular helper functions into JavaScript’s Function object.
proposal-promise-with-resolvers
IxJS - The Interactive Extensions for JavaScript
proposal-class-method-parameter-decorators - Decorators for ECMAScript class method and constructor parameters
proposal-hack-pipes - Draft specification for Hack pipes in JavaScript.
es1995 - ES1995 – The Missing JS Polyfill
proposal-hack-pipes - Draft specification for Hack pipes in JavaScript. [Moved to: https://github.com/tc39/proposal-hack-pipes]
proposal-canonical-tz - TC39 Proposal (stacked on Temporal) to improve handling of changes to the IANA Time Zone Database
EventSource - a polyfill for http://www.w3.org/TR/eventsource/
core-js - Standard Library
mpr.kirke.dev
proposal-await-dictionary - A proposal to add Promise.ownProperties(), Promise.fromEntries() to ECMAScript