fontoxpath
promises-spec
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| fontoxpath | promises-spec | |
|---|---|---|
| 2 | 22 | |
| 125 | 1,830 | |
| 2.4% | 0.2% | |
| 6.8 | 0.0 | |
| 10 days ago | 9 months ago | |
| TypeScript | ||
| MIT License | Creative Commons Zero v1.0 Universal |
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fontoxpath
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Using XPath in 2023
Not XPath, but for folks interested in querying (rather than walking) syntax trees for arbitrary nodes, this is also a cool feature of tree-sitter[1]. It uses a scheme-like syntax, and it’s impressively efficient.
And in terms of XPath, for folks using a JS stack, fontoxpath[2] supports a DOM facade adapter interface which allows for querying any arbitrary tree-like structure, so it could certainly handle the same use case.
1: https://tree-sitter.github.io/tree-sitter/using-parsers#patt...
2: https://github.com/FontoXML/fontoxpath
- Fontoxpath: A minimalistic XPath 3.1 and XQuery 3.1 engine
promises-spec
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Implement Promises/A+ from scratch
Today, I tried implementing Promises/A+ from scratch to test my coding skill. In the process, I’ve crafted this guide to share my insights and experiences with those who share a similar interest. Without further ado, let’s dive in.
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Using XPath in 2023
That made me chuckle.
For those not familiar with the promise design controversy:
http://brianmckenna.org/blog/category_theory_promisesaplus
https://github.com/promises-aplus/constructor-spec/issues/24
https://github.com/promises-aplus/promises-spec/issues/94
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Why is JavaScript so hated?
If you really want to go down the rabbit hole on this one, start here
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What the imperative shell of an Functional Core/Imperative Shell language looks like
Advantage 1, nesting, is the most important here, and it's often the most-overlooked advantage. Overlooking nesting is how Promises in Javascript got to be fundamentally broken.
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[AskJS] Is JavaScript missing some built-in methods?
Have you read the infamous GitHub thread where people tried to fix this before it got finalized? It's quite a trip
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This typo lasted several pomodoro sessions.
1.) JS implementation of Promise is not a monad. See this StackOverflow answer or this GitHub discussion for more details
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How to implement Promise in a FAANG interview
In this article, we will go over how to implement a basic version of a promise during a FAANG interview. The standard for promise implementation is called A+, but it includes a huge amount of details, making it almost impossible to implement all of them during a one-hour coding interview. Therefore, we will focus on implementing a basic variation that should be enough to show the interviewer your solving skills.
- what object
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Oopsy Poopsy ahahaha *sharts uncontrollably*
Hey, at least you weren't these guys: https://github.com/promises-aplus/promises-spec/issues/94
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Haskell is the greatest programming language of all time ... the rational adult in a room full of children ... When I program in Haskell, I am in utopia. I am in a different world than 99.9% of what I see posted on Reddit.
Total carnage
What are some alternatives?
PugiXML - Light-weight, simple and fast XML parser for C++ with XPath support
proposal-symbol-thenable
HtmlAgilityPack - Html Agility Pack (HAP) is a free and open-source HTML parser written in C# to read/write DOM and supports plain XPATH or XSLT. It is a .NET code library that allows you to parse "out of the web" HTML files.
q - A promise library for JavaScript
sirix - SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
zx - A tool for writing better scripts
caniuse - Raw browser/feature support data from caniuse.com
proposal-set-methods - Proposal for new Set methods in JS
Playwright - Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
cats-effect - The pure asynchronous runtime for Scala
camaro - camaro is an utility to transform XML to JSON, using Node.js binding to native XML parser pugixml, one of the fastest XML parser around.
purescript - A strongly-typed language that compiles to JavaScript