Jint
Polly
Jint | Polly | |
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24 | 52 | |
3,921 | 13,009 | |
- | 0.7% | |
9.1 | 9.8 | |
5 days ago | 1 day ago | |
C# | C# | |
BSD 2-clause "Simplified" License | BSD 3-clause "New" or "Revised" License |
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Jint
- Jint – A JavaScript Interpreter for .NET
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Is there a way to dynamically interpret a string as javascript within a C# winforms program?
Jint https://github.com/sebastienros/jint
- Any framework/library for validating arbitrary code?
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Scripting inside Rimworld with Unity: Impossible? With java it is a 3 liner.
There are quite a lot of ways to run scripting languages in C#. I've no idea what JSR223 is but .NET has DLR for example. There are also multiple libraries: IronPython, NLua, Jint and Jurassic for Javascript. There's also older version of CS-Script working with .NET Framework.
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Is there any way to use Javascript to code in Unity anymore?
You can. Embeding lua is a trivial task, and I'm reasonably sure there even are plug-and-play solutions for that, and for JS there's JINT.
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Running custom code from users
I personally use Jint (a multi-platform Javascript interpreter) since Roslyn is not available on mobile. It basically has the same kind of functionality as Roslyn, but it's JS. JS is well-known and accessible to everybody, but Roslyn might be faster since there's no double indirection when interpreting the script. It also depends on what language your users are comfortable with or could learn easily.
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Classic BBS (code in comments)
Ah yeah, I looked into it more and decompiled the game to find that it appears they're using Jint to interpret the Javascript, and from testing with someone's REPL BBS server I can find that it's a pretty well isolated environment. Only ways around it I can think of are by exploiting some vulnerability in the sandbox to do external requests, modding the game itself to update the api, or running a parallel server to do some janky communication through the save state data.
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.NET-compatible scripting languages for users to write their own scripts to query/manipulate objects/properties in the app
We used https://github.com/sebastienros/jint for scripting, it's ES5 JS implementation.
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The experience of creating my own JavaScript runtime - #2
Jint is a JS interpreter with an integrated engine built in C#, like V8, he is responsible for all the base code execution as well as EcmaScript implementations such as default constructors, syntax, Promises... I studied its features in depth to start and it was a bit hard (in the beginning).
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The experience of creating my own JavaScript runtime - #1
MelonRuntime is based on Jint, a JavaScript interpreter created by Sébastien Ros, software developer in the ASP.NET team at Microsoft. Melon works from bindings and functionalities injected into this interpreter together with external typing (provided by another package that comes with the default project generated by the command npx melon new) and built-in tools.
Polly
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The Retry Pattern and Retry Storm Anti-pattern
In our applications, we should wrap all requests to remote services in code that implements a retry policy that follows one of the strategies I listed earlier. If you are a .NET developer like myself, you may be familiar with the Polly library. Golang has a library called Retry, and there are numerous third-party libraries for Python and Java.
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Http calls on mobile, what is the preferred way / best practice
Another question that rises is, would it be better to use some HttpClient package to handle the requests, like Refit in combination with Polly. But then again, it seems Refit also uses the HttpClient factory, which was a bad thing according to the previous?
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[Question] HttpClient does not recover from error
D'Oh! Sorry, not PolySharp. I meant Polly. Too many similarly-named libraries!
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I thought "Availability Groups" would be 100% "seamless"
Everywhere I've worked with AGs, we've worked with the application team to add retry logic to help make things a bit more seamless to end users. There are libraries out there that can make this pretty easy - Polly is one that I've used a few times, but there are others.
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Do you really need "microservices"?
Fallacy 1: The network is reliable. If system 2 works perfectly well, but is not accessible for service 1 due to network issues, service 2 is still unavailable. This is why timeouts, service breakers and retry policies exist. A great tool for .NET to handle common network issues is Polly, but even when using a tool like this, the network is still not completely reliable.
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Only "exit 1" if VISIBLE errors are thrown during script invocation, ignoring try/catch blocks
I see. Then I don't have any better idea right now, but I do want to suggest that if your script is mostly API calls and you want to be able to deal with failures then take a look at the polly library: https://github.com/App-vNext/Polly
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Getting back into C# after a hiatus, any good reading material recommendations to get back up to speed? Been using Kotlin recently, and got quite a lot of experience in engineering.
Runs in containers nicely, has good integration with Kafka, RabbitMQ, gRPC, etc. for Microservices communication. Implements resiliency patterns you'd want in Microservices via Polly. Has a decent Dependency Injection framework built in by default.
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What your hidden nuget gems ?
It's in no way hidden. But I use Polly all the time.
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Message Queueing
Depending if the sender or the reciever is down, you can also try Polly http://www.thepollyproject.org/
- How To Implement Retries Without Cluttering Your Code
What are some alternatives?
Jurassic - A .NET library to parse and execute JavaScript code.
MediatR - Simple, unambitious mediator implementation in .NET
Jering.Javascript.NodeJS - Invoke Javascript in NodeJS, from C#
Hangfire - An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required
Edge.js - Run .NET and Node.js code in-process on Windows, MacOS, and Linux
FluentValidation - A popular .NET validation library for building strongly-typed validation rules.
ReactJS.NET - .NET library for JSX compilation and server-side rendering of React components
Redis - Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
Enums.NET - Enums.NET is a high-performance type-safe .NET enum utility library
Refit - The automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, Refit turns your REST API into a live interface.
Outcome.NET - Never write a result wrapper again! Outcome.NET is a simple, powerful helper for methods that return a value, but sometimes also need to return validation messages, warnings, or a success bit.
Flurl.Http - Fluent URL builder and testable HTTP client for .NET