ts-sql
nom
ts-sql | nom | |
---|---|---|
28 | 85 | |
3,114 | 9,020 | |
0.0% | 0.9% | |
0.0 | 7.4 | |
almost 3 years ago | 9 days ago | |
TypeScript | Rust | |
- | MIT License |
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ts-sql
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Type-Safe Printf() in TypeScript
There is an implementation of SQL that operates on a table shaped type, entirely at type level. For your amusement: https://github.com/codemix/ts-sql
There are a bunch of more practical takes that codegen types from your database and generate types for your queries, eg: https://github.com/adelsz/pgtyped
To me the second approach seems much more pragmatic because you don’t need to run a SQL parser in a fairly potato interpreter on every build
- Functions and algorithms implemented purely with TypeScript's type system
- Que opinan de esta forma de actualizar estados complejos en React, creen que es buena practica o tienen una mejor forma?
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How to Sell Elixir Again (2023)
> If I would level criticisms at dialyzer it would be its sometimes difficult to read warnings, it’s speed (despite being multithreaded) and the race conditions in the VS Code plugin (which is looking for extra maintainers – if I had time I would help).
One of the advantages of TypeScript is that VSCode is written in TypeScript, and both VSCode and TypeScript are developed by the same company, so there's a really nice synergy there. I imagine Kotlin users feel the same way using Jetbrains products, and Swift users feel the same way about XCode.
Dialyzer looks interesting, but I can't imagine giving up on the expressiveness of TypeScript. Some of the things you can do with generics, mapped types, intersection types, template literal types, conditional types, and utility types are almost mind boggling. It's difficult to reap all of the benefits of static analysis without some of these advanced type operators. The type manipulation section of the TS manual is really underrated.
Someone for example wrote an SQL parser in TypeScript that requires no runtime code [1]. It can infer the types of an SQL query's result based on an SQL string without any runtime code execution. There was a similar project where someone built a JSON parser entirely using the type system [2]. There's also an ongoing discussion on Github about the the fact that TypeScript's type system appears to be a Turing-complete language with some other cool examples [3]. My point is that the type system is incredibly expressive. You rarely run into an idiom that can't be typed effectively.
[1] https://github.com/codemix/ts-sql
[2] https://twitter.com/buildsghost/status/1301976526603206657
[3] https://github.com/microsoft/TypeScript/issues/14833
- Please use Typescript
- TypeScripting the Technical Interview
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Pls can we go back to traditional languages?
If anyone saw this meme and thought, "damn parsing a type from a SQL query, that looks useful" (as I did), the source appears to be from here.
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Type-Level FizzBuzz
I mean, why stop there? https://github.com/codemix/ts-sql
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HypeScript: Simplified TypeScript's type system in TypeScript's own type system
Which allows for things like this type that implements a simplified SQL query parser checked against a provided 'database' object:
https://github.com/codemix/ts-sql
This project was my go-to "nifty but pointless" example for TS string literal types before this article :)
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Deepkit – High-Performance TypeScript Framework
author of ts-sql[0] here, this looks great (and a way more practical approach!)
[0] https://github.com/codemix/ts-sql
nom
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Planespotting with Rust: using nom to parse ADS-B messages
Just in case you are not familiar with nom, it is a parser combinator written in Rust. The most basic thing you can do with it is import one of its parsing functions, give it some byte or string input and then get a Result as output with the parsed value and the rest of the input or an error if the parser failed. tag for example is used to recognize literal character/byte sequences.
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Show HN: Rust nom parsing Starcraft2 Replays into Arrow for Polars data analysis
I may be the only one not familiar, but nom refers to https://github.com/rust-bakery/nom which looks like a pretty handy way to parse binary data in Rust.
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Is this a good way to free up some memory?
Lots of people use nom for their parsing needs, but that's not the only game in town and there other options.
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What is the state of the art for creating domain-specific languages (DSLs) with Rust?
As much as I love nom as well as other parser combinator libraries, regex-based parsers, BNF/EBNF-based parsers, etc. I always end up going back to plain old text-based char-by-char scanners.
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What's everyone working on this week (22/2023)?
I am using nom / nom_locate to build the parser side because I've done a handful of other projects with it, and I plan to use tower-lsp to hook up the language server side.
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Tokenizing
Look into a parsing library such as https://github.com/rust-bakery/nom
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Something like pydantic but for just strings?
If we were in /r/learnrust I'd have recommended the nom crate for this.
- Nom: Parser Combinators Library in Rust
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lua bytecode parser written in rust
Thanks to the flexibility of [nom](https://github.com/rust-bakery/nom), it is very easy to write your own parser in rust, read [this article](https://github.com/metaworm/luac-parser-rs/wiki/Write-custom-luac-parser) to learn how to write a luac parser
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Should I revisit my choice to use nom?
I've been working on an assembler and right now it uses nom. While nom isn't great for error messages, good error messages will be important for this particular assembler (current code), so I've been attempting to use the methods described by Eyal Kalderon in Error recovery with parser combinators (using nom).
What are some alternatives?
slonik - A Node.js PostgreSQL client with runtime and build time type safety, and composable SQL.
pest - The Elegant Parser
Paste JSON as Code • quicktype - Xcode extension to paste JSON as Swift, Objective-C, and more
lalrpop - LR(1) parser generator for Rust
pgtyped - pgTyped - Typesafe SQL in TypeScript
combine - A parser combinator library for Rust
lean4 - Lean 4 programming language and theorem prover
pom - PEG parser combinators using operator overloading without macros.
sqlx - 🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.
rust-peg - Parsing Expression Grammar (PEG) parser generator for Rust
kanel - Generate Typescript types from Postgres
chumsky - Write expressive, high-performance parsers with ease.