Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
proposals
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Time, Space and Complexity
The proposal of "syntactic tail calls" to provide an explicit syntax for tail calls, co-championed by committee members from Mozilla (responsible for SpiderMonkey, the engine of Firefox) and Microsoft, was a response to these concerns. However, this proposal is now listed among the TC39's inactive proposals, possibly due to diminished interest, which may stem from the infrequent use of tail recursive functions in JavaScript.
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At Least Skim The Manual
Then there are proposals for new features. Some proposals move through quickly, though some of these will never make it into the spec. They can be available months or years in advance through Babel plugins and other tools. Be aware that these allow you to write code that may never become valid JavaScript, but they can be useful for simplicity and readability, so long as you understand the requirements.
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Embracing Modern JavaScript Features in ES13 ES2022
TC39 Proposals
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Best way to re-learn JavaScript as a former senior level js dev?
As for what’s new, well here https://github.com/tc39/proposals/blob/main/finished-proposals.md you can research anything from that list that doesn’t look familiar to you.
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Javascript doubt
The latest version of the ECMAScript standard is referred to as ES2022. However, there are almost always something new cooking, which you can use (ESNext) if yo have a javascript engine that implements it, or if you use a polyfill which implements some particular feature for earlier javascript engines.
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New video! 2022 in Programming Languages
Here's the full tab list: - https://tjpalmer.github.io/languish/ - https://blog.python.org/2022/10/python-3110-is-now-available.html - https://devblogs.microsoft.com/python/python-311-faster-cpython-team/ - https://github.com/tc39/proposals/blob/main/finished-proposals.md - https://devblogs.microsoft.com/typescript/ten-years-of-typescript/ - https://devblogs.microsoft.com/typescript/announcing-typescript-4-6/#cfa-destructured-discriminated-unions - https://devblogs.microsoft.com/typescript/announcing-typescript-4-9/#the-satisfies-operator - https://devblogs.microsoft.com/typescript/announcing-typescript-4-7/#go-to-source-definition - https://devblogs.microsoft.com/typescript/announcing-typescript-4-8/#build-watch-incremental-improvements - https://openjdk.org/projects/jdk/18/ - https://openjdk.org/projects/jdk/19/ - https://blog.jetbrains.com/clion/2022/07/july-2022-iso-cpp/ - https://en.wikipedia.org/wiki/C%2B%2B23 - https://en.cppreference.com/w/cpp/23 - https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p2128r6.pdf - https://devblogs.microsoft.com/dotnet/announcing-dotnet-7/ - https://devblogs.microsoft.com/dotnet/welcome-to-csharp-11/ - https://devblogs.microsoft.com/dotnet/announcing-fsharp-7/ - https://learn.microsoft.com/en-us/dotnet/core/deploying/native-aot/ - https://go.dev/blog/go1.19 - https://go.dev/blog/go1.18 - https://thephd.dev/c23-is-coming-here-is-what-is-on-the-menu - https://thephd.dev/c23-is-coming-here-is-what-is-on-the-menu#n3017---embed - https://thephd.dev/c23-is-coming-here-is-what-is-on-the-menu#n3006--n3007---type-inference-for-object-definitions - https://www.php.net/archive/2022.php#2022-12-08-1 - https://wiki.php.net/rfc/dnf_types - https://blog.rust-lang.org/ - https://blog.rust-lang.org/2022/01/13/Rust-1.58.0.html#captured-identifiers-in-format-strings - https://blog.rust-lang.org/2022/02/24/Rust-1.59.0.html#inline-assembly - https://blog.rust-lang.org/2022/05/19/Rust-1.61.0.html#more-capabilities-for-const-fn - https://blog.rust-lang.org/2022/08/11/Rust-1.63.0.html#scoped-threads - https://blog.rust-lang.org/2022/11/03/Rust-1.65.0.html#generic-associated-types-gats - https://blog.jetbrains.com/kotlin/2022/06/kotlin-1-7-0-released/ - https://stat.ethz.ch/pipermail/r-announce/2022/000683.html - https://dart.dev/guides/whats-new - https://medium.com/dartlang/dart-2-18-f4b3101f146c - https://medium.com/dartlang/the-road-to-dart-3-afdd580fbefa - https://www.swift.org/blog/swift-5.6-released/ - https://www.swift.org/blog/swift-5.7-released/ - https://www.swift.org/blog/swift-language-updates-from-wwdc22/ - https://www.ruby-lang.org/en/news/2022/12/25/ruby-3-2-0-released/ - https://www.lua.org/news.html - https://www.scala-lang.org/blog/2022/09/05/scala-3.2.0-released.html - https://tjpalmer.github.io/languish/#y=mean&weights=issues%3D1%26pulls%3D0%26stars%3D1%26soQuestions%3D1&names=solidity%2Chaskell%2Cjulia%2Celixir%2Cclojure%2Cperl%2Cgroovy%2Cocaml%2Cgdscript%2Ccmake%2Cnix%2Cvisual+basic+.net - https://blog.soliditylang.org/ - https://downloads.haskell.org/~ghc/9.4.1/docs/users_guide/9.4.1-notes.html - https://julialang.org/blog/2022/08/julia-1.8-highlights/ - https://discourse.julialang.org/t/julia-v1-9-0-beta2-is-fast/92290 - https://elixir-lang.org/blog/2022/09/01/elixir-v1-14-0-released/ - https://elixir-lang.org/blog/2022/10/05/my-future-with-elixir-set-theoretic-types/ - https://clojure.org/news/2022/03/22/clojure-1-11-0 - https://godotengine.org/en/news/default/1 - https://ocaml.org/news/ocaml-5.0 - https://tjpalmer.github.io/languish/#y=mean&weights=issues%3D1%26pulls%3D0%26stars%3D1%26soQuestions%3D1&names=gdscript%2Czig%2Cpascal%2Cfortran%2Cnim%2Cf%23%2Ccommon+lisp%2Cwebassembly%2Ccrystal%2Ccython%2Cvala%2Cerlang%2Chaxe%2Cv%2Cd - https://ziglang.org/download/0.10.0/release-notes.html - https://ziglang.org/news/goodbye-cpp/ - https://nim-lang.org/blog.html - https://nim-lang.org/blog/2022/12/21/version-20-rc.html - https://www.erlang.org/news/157 - https://github.com/WebAssembly/proposals/commits/main - https://github.com/crystal-lang/crystal/releases - https://dlang.org/changelog/2.099.0.html - https://dlang.org/changelog/2.100.0.html - https://dlang.org/changelog/2.101.0.html - https://github.com/odin-lang/Odin/releases - https://gleam.run/news/ - https://gleam.run/news/gleam-v0.22-released/ - https://gleam.run/news/gleam-v0.24-released/ - https://github.com/idris-lang/Idris2/blob/102d7ebc18a9e881021ed4b05186cccda5274cbe/CHANGELOG.md - https://github.com/diku-dk/futhark/blob/master/CHANGELOG.md#02111 - https://grain-lang.org/blog/2022/06/06/new-release-grain-v0.5-durum/ - https://rescript-lang.org/blog/release-10-0-0 - https://www.roc-lang.org/ - https://simon.peytonjones.org/assets/pdfs/haskell-exchange-22.pdf - https://vale.dev/ - https://www.val-lang.dev/
- Is TypeScript actually worth It?
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Unveiling Breakthroughs Found In The State Of JS 2022 Survey
[2] tc39 on Github. ECMAScript Finished Proposals.
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Is this a javascript thing or a typescript thing?
Check out the proposals page for info on what (may be) coming to JS: https://github.com/tc39/proposals
- Rust-RFC vs PEP vs tc39 Proposal
notes
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Union, intersection, difference, and more are coming to JavaScript Sets
Has anything changed recently? The proposal has been in stage 3 since November 2022 [1]
[1] https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/nov...
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The TC-39 just introduced a new stage: stage 2.7
If you're curious about the naming scheme (it now goes 0 -> 1 -> 2 -> 2.7 -> 3 -> 4), then you can read the discussion surrounding the name from the last meeting notes [1].
Also, for a quicker digest, Rob Palmer (from the committee) tweeted about it [2]
[1] https://github.com/tc39/notes/blob/main/meetings/2023-11/nov...
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JavaScript Type Annotations Proposal Update
Dialog for this update is at https://github.com/tc39/notes/blob/main/meetings/2023-03/mar...
What I would like is a "use: 'typechecked'" at the top of the file indicating that the code has already been checked. This would be accompanied by a new proprosal that defines a standard for what is considered checked (for example checking nullablity in the types) and would allow for browsers to make some optimizations. This could also perhaps reduce the amount of necessary runtime checks such that it would be possible to make it a fully sound typesystem with most of the checks done beforehand.
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ES Modules Are Terrible
All the meeting notes are recorded here: https://github.com/tc39/notes/tree/main/meetings. You’ll have to do a bit of spelunking in the corresponding agendas and proposal repo to narrow down the exact meetings you’re interested in.
- Proposal withdrawn for JavaScript Function.pipe / flow
- Proposal withdrawn for Function.pipe / flow
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Deno joins TC39
Here's a list of delegates for TC39, but it doesn't list people by their ECMA member organization.
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Class fields and private class members are now stage 4, ready for ES2022
This is a good question. I'm not sure I saw the notes of the meeting when this happened, but all the notes are public here: https://github.com/tc39/notes/tree/master/meetings
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History of JavaScript - How it came into the existence
TC-39 is a group of people who are responsible for the standards. They have meetings every two months with member-appointed delegates and invited experts. You can check the minutes of those meetings here GitHub repository
What are some alternatives?
ts-morph - TypeScript Compiler API wrapper for static analysis and programmatic code changes.
proposal-class-fields - Orthogonally-informed combination of public and private fields proposals
proposal-record-tuple - ECMAScript proposal for the Record and Tuple value types. | Stage 2: it will change!
proposal-pipeline-operator - A proposal for adding a useful pipe operator to JavaScript.
lwc - ⚡️ LWC - A Blazing Fast, Enterprise-Grade Web Components Foundation
proposal-function-pipe-flow - A proposal to standardize helper functions for serial function application and function composition.
tokens
Svelte - Cybernetically enhanced web apps
proposal-decorators - Decorators for ES6 classes
esm.sh - A fast, smart, & global CDN for modern(es2015+) web development.
RxPY - ReactiveX for Python