proposal-pattern-matching
proposal-pipeline-operator
proposal-pattern-matching | proposal-pipeline-operator | |
---|---|---|
67 | 102 | |
5,344 | 7,382 | |
0.9% | 0.7% | |
9.0 | 2.7 | |
9 days ago | 5 months ago | |
HTML | HTML | |
MIT License | BSD 3-clause "New" or "Revised" License |
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proposal-pattern-matching
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Coming to grips with JS: a Rubyist's deep dive
Note, however, that there is a proposal to add pattern matching to JS.
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Level up your Typescript game, functionally - Part 2
There's an ECMAScript proposal that is in the works to add this feature to the language! It's going to look something like this.
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Building React Components Using Unions in TypeScript
More importantly, TypeScript typically commits to build things into itself when the proposal in JavaScript reaches Stage 3. The pattern matching proposal in JavaScript is Stage 1, but depends on many other proposals as well that may or may not need to be at Stage 3 as well for it to work. This particular proposal is interested on pattern matching on JavaScript Objects and other primitives, just like Python does with it’s native primitives. These are also dynamic types which helps in some areas, but makes it harder than others. Additionally, the JavaScript type annotations proposal needs to possibly account for this. So it’s going to be awhile. Like many years.
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Explicit Software Design. Preliminary Conclusions
For true™ functional programming in JS, native pattern matching and partial function application are missing (at least for now: 1, 2). For proper OOP, it lacks real interfaces and compile-time dependency injection.
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TypeScript Is Surprisingly OK for Compilers
The proposal for pattern matching syntax seems more akin to what they're looking for.
https://github.com/tc39/proposal-pattern-matching
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[AskJS] C# in every Node.js job posting?
There's a proposal to add something like that to JavaScript but it's been stuck in limbo since 2017 although there are libraries like ts-pattern which implement it already.
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[AskTS] What do you think will be the future of runtime type checking?
I'll admit, it is easy to assert that the TypeScript language should not be involved in the matters of packages but I also wonder if we're moving towards a point where interfaces will be as common as namespaces and whether or not it would be sensible for the language to incorporate such type assertions into the language formally, after all, it already compiles to various forms of JavaScript and there is a stage 1 proposal submitted to the TC39 committee to give JavaScript pattern matching. If adopted, wouldn't it make sense to allow TypeScript to compile a type into a type guard for the native JavaScript pattern matcher?
- Updates from the 96th TC39 meeting
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Mostly adequate guide to FP (in JavaScript)
Both are active tc39 proposals :)
https://github.com/tc39/proposal-pipeline-operator - Stage 2
https://github.com/tc39/proposal-pattern-matching - Stage 1
Hopefully we get both in the next couple of years.
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CoffeeScript for TypeScript
We often add promising TC39 proposals into Civet so people can experiment without waiting.
We've added https://github.com/tc39/proposal-pipeline-operator, a variant of https://github.com/tc39/proposal-pattern-matching, a variant of https://github.com/tc39/proposal-string-dedent and others.
Since our goal is to be 99% compatible with ES we'll need to accommodate any proposals that become standard and pick up anything TC39 leaves on the table (rest parameters in any position, etc.)
proposal-pipeline-operator
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Pipeline Operator great again!
Current Status: You'd have to check the TC39 proposals repository or the official proposal text for the most recent status. As of my last update, it had not yet reached Stage 4 (final stage) of the TC39 process, which means it wasn't part of the ECMAScript specification yet.
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pipesAreFun
Javascript may get it https://github.com/tc39/proposal-pipeline-operator https://youtu.be/dQw4w9WgXcQ
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JavaScript Gom Jabbar
It can be further simplified. For example, you don't need two separate functions to extract the first chat completion message etc.
This version:
- uses existing language constructs
- can be immediately understood even by the most junior devs
- is likely to be 1000 times faster
- does not rely on an external dependency that currently has 143 issues and every two weeks releases a new version adding dozens of new methods to things
Note: one thing I do wish Javascript adopted is pipes: https://github.com/tc39/proposal-pipeline-operator
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What's new in ES2023?
Still in stage 2 atm https://github.com/tc39/proposal-pipeline-operator
- lizod - spiritual successor of zod less than 1kb
- Updates from the 96th TC39 meeting
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Mostly adequate guide to FP (in JavaScript)
Both are active tc39 proposals :)
https://github.com/tc39/proposal-pipeline-operator - Stage 2
https://github.com/tc39/proposal-pattern-matching - Stage 1
Hopefully we get both in the next couple of years.
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Tipe - typed pipe
Some time ago I saw how hyped JS community was about pipeline operator proposal. So I tried to make something similar in python. There is how tipe module was created. Check it out if you are interested: https://github.com/mishankov/tipe
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CoffeeScript for TypeScript
We often add promising TC39 proposals into Civet so people can experiment without waiting.
We've added https://github.com/tc39/proposal-pipeline-operator, a variant of https://github.com/tc39/proposal-pattern-matching, a variant of https://github.com/tc39/proposal-string-dedent and others.
Since our goal is to be 99% compatible with ES we'll need to accommodate any proposals that become standard and pick up anything TC39 leaves on the table (rest parameters in any position, etc.)
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[AskJS] Is JavaScript missing some built-in methods?
The Proposal is for the Hack pipe, so your example would be
What are some alternatives?
fp-ts - Functional programming in TypeScript
ionide-vscode-fsharp - VS Code plugin for F# development
package.elm-lang.org - website for browsing packages and exploring documentation
content - The content behind MDN Web Docs
ramda - :ram: Practical functional Javascript
ecma262 - Status, process, and documents for ECMA-262
FiraCode - Free monospaced font with programming ligatures
proposal-record-tuple - ECMAScript proposal for the Record and Tuple value types. | Stage 2: it will change!
Gigablast - Nov 20 2017 -- A distributed open source search engine and spider/crawler written in C/C++ for Linux on Intel/AMD. From gigablast dot com, which has binaries for download. See the README.md file at the very bottom of this page for instructions.
ts-pattern - 🎨 The exhaustive Pattern Matching library for TypeScript, with smart type inference.
proposal-partial-application - Proposal to add partial application to ECMAScript