proposal-array-from-async
proposal-class-static-block
proposal-array-from-async | proposal-class-static-block | |
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7 | 5 | |
172 | 97 | |
2.3% | - | |
6.6 | 7.3 | |
5 months ago | over 2 years ago | |
HTML | HTML | |
BSD 3-clause "New" or "Revised" License | BSD 3-clause "New" or "Revised" License |
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proposal-array-from-async
- Goodbye, Node.js Buffer
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How async/await runs inside forEach, and why it probably doesn't do what you expect
Others have mentioned for await, which probably isn't ideal in the case of getting users by id since it'll only do one request at a time, which is less efficient. There's a proposal for Array.fromAsync() that'll essentially do the same thing...
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Updates from the 92nd TC39 meeting
Array.fromAsync: Array.fromAsync is to for await as Array.from is to for.
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New ECMAScript 23 array features
The proposal is described here.
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Getting async data using map arrow method
It's only a stage 2 spec, but Array.fromAsync() would handle exactly what you want. Polyfill exists too.
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Updates from the 87th meeting of TC39
Array.fromAsync: Like Array.from but it converts an async iterable (or a sync iterable of promises) to a promise that will resolve to an array.
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Updates from the 85th meeting of TC39
Array.fromAsync Like Array.from but for async iterators.
proposal-class-static-block
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Class Static Initialization Blocks in JavaScript
If you often find yourself working with static fields you may find static initialization blocks to be a useful feature. They can help make static initialization easier. I hope that this post helped you understand what class static initialization blocks in JavaScript are and how to use them. If you want to learn more about this feature, you can take a look at the proposal available on GitHub.
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Updates from the 85th meeting of TC39
Class Static Blocks Class static blocks provide a mechanism to perform additional static initialization during class definition evaluation.
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ES2022 feature: class static initialization blocks
Before bashing a new feature make sure to read then criticize the actual proposal [1]. I personally think the proposal makes sense mostly because of private fields since it is very awkward to initialize those fields outside of the class.
[1] https://github.com/tc39/proposal-class-static-block
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TypeScript 4.4: The Good, The Bad and The Not So Bad
It’s an upcoming ECMAScript feature that’s currently a stage 3 proposal. static blocks allow for a more complex initiation process of static class members.
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Updates from 78th meeting of TC39
Class static initialization block.
What are some alternatives?
proposal-relative-indexing-method - A TC39 proposal to add an .at() method to all the basic indexable classes (Array, String, TypedArray)
proposal-intl-locale-info - An API to expose information of locale, such as week data ( first day of a week, weekend start, weekend end), hour cycle, measurement system, commonly used calendar, etc.
streams - Streams Standard
proposal-intl-enumeration - Return supported values of options, such as timeZone, calendars, numberingSystems, currencies, units
nodejs-polars - nodejs front-end of polars
proposal-structs - JavaScript Structs: Fixed Layout Objects
proposal-extractors - Extractors for ECMAScript
proposal-string-dedent - TC39 Proposal to remove common leading indentation from multiline template strings
proposal-arraybuffer-base64 - TC39 proposal for Uint8Array<->base64/hex
proposal-deiter - Double-Ended Iterator and Destructuring
proposal-array-grouping - A proposal to make grouping of array items easier
proposal-is-usv-string - a proposal for a method to determine if a String is welll-formed Unicode