proposal-class-static-block
proposal-is-usv-string
| proposal-class-static-block | proposal-is-usv-string | |
|---|---|---|
| 5 | 2 | |
| 97 | 39 | |
| - | - | |
| 7.3 | 2.6 | |
| over 2 years ago | 12 months ago | |
| HTML | HTML | |
| BSD 3-clause "New" or "Revised" License | MIT License |
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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.
proposal-is-usv-string
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Updates from the 92nd TC39 meeting
Well-Formed Unicode Strings: a proposal for a method to determine if a String is well-formed Unicode
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Updates from the 85th meeting of TC39
String is USV String String method to verify if a given ECMAScript string is a valid USV String or not.
What are some alternatives?
proposal-array-from-async - Draft specification for a proposed Array.fromAsync method in JavaScript.
proposal-bigint-math - Draft specification for supporting BigInts in JavaScript’s Math methods.
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.
proposal-extractors - Extractors for ECMAScript
proposal-intl-enumeration - Return supported values of options, such as timeZone, calendars, numberingSystems, currencies, units
proposal-relative-indexing-method - A TC39 proposal to add an .at() method to all the basic indexable classes (Array, String, TypedArray)
proposal-structs - JavaScript Structs: Fixed Layout Objects
proposal-string-dedent - TC39 Proposal to remove common leading indentation from multiline template strings
proposal-deiter - Double-Ended Iterator and Destructuring
proposal-item-method - A TC39 proposal to add an .at() method to all the basic indexable classes (Array, String, TypedArray) [Moved to: https://github.com/tc39/proposal-relative-indexing-method]