qtdeclarative
engine262
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qtdeclarative | engine262 | |
---|---|---|
4 | 9 | |
194 | 774 | |
4.6% | 1.8% | |
9.9 | 6.3 | |
3 days ago | about 2 months ago | |
C++ | TypeScript | |
GNU General Public License v3.0 or later | MIT License |
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.
qtdeclarative
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Mtime comparison considered harmful (2018)
Current ideas to work around it require individual solutions per distribution/ISV, as this would mean they'd have to come up with domain specific criteria for cache invalidation (as the store path/derivation hash on NixOS) and to maintain a downstream patch for this solution and furthermore wouldn't work for local build processes (e.g. from within an IDE).
Lesson of the day: never use mtimes, they'll bite you in the ass sooner or later!
[1] https://github.com/NixOS/nixpkgs/issues/177720
[2] https://reproducible-builds.org/docs/timestamps/
[3] https://github.com/qt/qtdeclarative/commit/5106afcd76e377a6b...
[4] https://github.com/NixOS/nixpkgs/issues/177720#issuecomment-...
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A new wave of Linux applications
I found a qmlcompiler folder at https://github.com/qt/qtdeclarative/tree/dev/src/qmlcompiler, but I don't know if it's the compiler itself or bindings. I can't find qmlsc in GitHub qt or qtproject though.
- Delphi 11 Alexandria Has Been Released
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Enumerating and analyzing 40 non-V8 JavaScript implementations
Ok sweet I see now. They used JavaScriptCore until 2011 or so, switched to V8 until 2013, and have been using their own implementation, q4, since then. The source code seems to be here: https://github.com/qt/qtdeclarative/tree/dev/src/qml/jsrunti....
Thanks! Will add and be live shortly.
engine262
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A list of JavaScript engines, runtimes, interpreters
engine262
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Can you make your own JavaScript by implementing ECMAScript standard?
Indeed. ECMA-262 has been implemented using JavaScript https://github.com/engine262/engine262.
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What sorts of things would you consider to be “advanced” javascript concepts?
Node.js is not the only JavaScript runtime. JavaScript runtimes have been written using JavaScript alone, see engine262. There is also Deno, QuickJS, txiki.js, Bun, none of which use COmmonJS by default, SpiderMonkey, et al.
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Ask HN: What interesting problems are you working on? ( 2022 Edition)
for an interpreted language like JS, this project is really nice https://github.com/engine262/engine262. More or less 2 parts: parser and evaluator
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Is there a source that shows how built in js methods/functions are built?
That is a bit complex, so here's a list of JS engines: if you pick one written *in* JS, that would probably be most useful -- engine262 for example
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QuickJS JavaScript Engine – Fabrice Bellard
then you might be impressed by https://github.com/engine262/engine262 as well
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And so was the C compiler.
Engine 262
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[AskJS] is there a way to quantitatively check if a number value is copied or only the pointer to that number is copied?
It's outside of what you asked for, but here's a JavaScript engine in JavaScript. Might make for some interesting bedtime reading!
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Enumerating and analyzing 40 non-V8 JavaScript implementations
Interesting to see a JS implementation written in JS:
https://github.com/engine262/engine262/
(The readme explains what the point of it is.)
What are some alternatives?
Gittyup - Understand your Git history!
test262 - Official ECMAScript Conformance Test Suite
sval - A javascript interpreter written in javascript
Duilib
txiki.js - A tiny JavaScript runtime
Qt - Qt Base (Core, Gui, Widgets, Network, ...)
v8go - Execute JavaScript from Go
ChakraCore - ChakraCore is an open source Javascript engine with a C API.
JS-Interpreter - A sandboxed JavaScript interpreter in JavaScript.
doublecmd - Double Commander is a free cross platform open source file manager with two panels side by side.
Jint - Javascript Interpreter for .NET