proposal-private-fields
proposal-class-fields
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7 | 27 | |
320 | 1,616 | |
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proposal-private-fields
- What do you mean by “encapsulation” / “hard private”?
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All JavaScript and TypeScript features of the last 3 years explained
> - # private... not sure why they didn't just use the "private" keyword, but I don't care. I almost always use TypeScript anyways
One of the reasons was to allow private and public fields of the same name, so that subclasses are free to add own public fields without accidentally discovering private fields. There were many more considerations that went into the design: https://github.com/tc39/proposal-class-fields/blob/main/PRIV....
There was a heated debate about this and the choice of the # sigil back in 2015 at the time private fields were being designed: https://github.com/tc39/proposal-private-fields/issues/14.
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why java developers always hate Node/javascript? why they don't face the truth that javascript now is not javascript year 1995?
The inability to correctly polyfill this, which still keeping the variables private, was a subject of debate in TC39. One of the explicit advantages of moving to a "soft private" model (as discussed here: https://github.com/tc39/proposal-private-fields/issues/33) was that it could be polyfilled correctly.
- Is TypeScript inevitable future of webdev or will it die out some day?
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Do decorators have a future?
There was a long and thoughtful article explaining why the private keyword was not enough; but now I can't find it :-( Here's the best replacement I could find: https://github.com/tc39/proposal-private-fields/issues/14 Effectively, what they are saying, is that you need to be able, within a class method, to disambiguate whether you are dealing with a private field of an identically named public field, and the keyword doesn't help with this.
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Implementing Private Fields for JavaScript
This is all covered here:
https://github.com/tc39/proposal-private-fields/blob/master/...
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Implementing Private Fields for JavaScript – Mozilla Hacks - the Web developer blog
As well, the Issues section of that proposal repo, as well as the Issues section of the original Private Fields repo (before it was merged with the Class Fields proposal) contain lots of discussion about this topic.
proposal-class-fields
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Why is nobody talking about how much Proxies break Vue 3?
Private methods: Pretty simple to explain, private methods and fields straight up do not work with ES6 proxies, its a known issue https://github.com/tc39/proposal-class-fields/issues/106
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JS private class fields considered harmful
The #x syntax is ugly and many people don't like it. But if you understand how JavaScript works, you'll see that private x is not possible. Some comments on the proposal suggested private #x and there were plenty of other suggestions as well, it may be interesting to read through those discussions.
- Field declarations overwrite properties on the prototype
- Turning “hard private” into “soft private”
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All JavaScript and TypeScript features of the last 3 years explained
> - # private... not sure why they didn't just use the "private" keyword, but I don't care. I almost always use TypeScript anyways
One of the reasons was to allow private and public fields of the same name, so that subclasses are free to add own public fields without accidentally discovering private fields. There were many more considerations that went into the design: https://github.com/tc39/proposal-class-fields/blob/main/PRIV....
There was a heated debate about this and the choice of the # sigil back in 2015 at the time private fields were being designed: https://github.com/tc39/proposal-private-fields/issues/14.
- ES2022 Features!
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JavaScript Evolutsiyasi Qisqa Satrlarda!
Private class fieldlari va nihoyat classlarda access modifierlarni (private,static) qo'llash imkonini beruvchi sintaksis.
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Create Ref using React.createRef without using constructor in React?
class App extends React.Component { constructor(props) { super(props); this.state = { counter: 0 }; }} but due to Babel's class-field support, I don't use it anymore
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Correct use of arrow functions in React
I am using ReactJS with Babel and Webpack and using ES6 as well as the proposed class fields for arrow functions. I understand that arrow functions make things more efficient by not recreating the functions each render similar to how binding in the constructor works. However, I am not 100% sure if I am using them correctly. The following is a simplified section of my code in three different files.
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React component design patterns for 2022
Working with constructor and calling super() before we can set state. Although this has been solved with the introduction of class fields in JavaScript, Hooks still provide a simpler API
What are some alternatives?
proposal-private-methods - Private methods and getter/setters for ES6 classes
cross-project-council - OpenJS Foundation Cross Project Council
proposals - Tracking ECMAScript Proposals
notes - TC39 meeting notes
proposal-observable - Observables for ECMAScript
proposal-decorators - Decorators for ES6 classes
proposal-deep-path-properties-for-record - ECMAScript proposal for deep spread syntax for Records
proposal-bind-operator - This-Binding Syntax for ECMAScript
Agora-ReactNative-Dynamic-Rooms - Dynamic Video Chat Rooms in React Native using Agora RTC and RTM SDKs. The RTC SDK is used to share live audio/video, RTM is used to signal the room details to all connected users.
proposal-record-tuple - ECMAScript proposal for the Record and Tuple value types. | Stage 2: it will change!
es6-features - ECMAScript 6: Feature Overview & Comparison