assert-combinators
graphjin
assert-combinators | graphjin | |
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5 | 61 | |
23 | 2,839 | |
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5.7 | 5.5 | |
3 months ago | 2 days ago | |
TypeScript | Go | |
GNU General Public License v3.0 or later | Apache License 2.0 |
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assert-combinators
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Kysely: TypeScript SQL Query Builder
We use in prod variant of no 1. [0]. Why? Because:
* it's extremely lightweight (built on pure, functional combinators)
* it allows us to use more complex patterns ie. convention where every json field ends with Json which is automatically parsed; which, unlike datatype alone, allows us to create composable query to fetch arbitrarily nested graphs and promoting single [$] key ie. to return list of emails as `string[]` not `{ email: string }[]` with `select email as [$] from Users` etc.
* has convenience combinators for things like constructing where clauses from monodb like queries
* all usual queries like CRUD, exists etc. and some more complex ie. insertIgnore, merge1n etc has convenient api
We resort to runtime type assertions [1] which works well for this and all other i/o; runtime type assertions are necessary for cases when your running service is incorrectly attached to old or future remote schema (there are other protections against it but still happens).
[0] https://github.com/appliedblockchain/tsql
[1] https://github.com/appliedblockchain/assert-combinators
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GraphJin – An Instant GraphQL to SQL Compiler
We use not so much frameworks but combination of lightweight libraries:
- runtime assertions [0] - to map unknown values at i/o boundary into statically typed code (rpc input parameters, sql results etc)
- template based sql combinators to sanitize sql/generate sql [1]
- jsonrpc over websockets - for bidirectional comms between f/e and b/e
[0] https://github.com/appliedblockchain/assert-combinators
[1] https://github.com/appliedblockchain/tsql
- Parser Combinators in Haskell
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An Inconsistent Truth: Next.js and Typesafety
Types can be asserted at runtime (parsed) at IO boundaries (reading http request or response, websocket message, parsing json file etc). Once they enter statically type system they don't need to be asserted again.
The difference it makes is illusion of type-safety vs type-safety this article touches on.
You can try to bind service with client somehow but in many cases this will fail in production as you can't guarantee paired versioning, due to normal situations by design of your architecture or temporary mid-deployment state or other team doing something they were not suppose to do etc. It's hard to avoid runtime parsing in general.
Functional combinators [0] or faster [1] with predicate/assert semantics work very well with typescript, which is very pleasant language to work with.
[0] https://github.com/appliedblockchain/assert-combinators
[1] https://github.com/preludejs/refute
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Parsix: Parse Don't Validate
Once i/o boundaries are parsing unknown types into static types, your type safety is guaranteed.
[0] https://github.com/appliedblockchain/assert-combinators
graphjin
- [Golang] Super Graph GraphQL au compilateur SQL renommé GraphJin et prend maintenant en charge MySQL
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Does Go, has something similar to Laravel eloquent (ORM) ?
This one looks interesting if you like GraphQL… https://graphjin.com
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Looking for library recommendations: Django -> Golang port
You're right. Django made a ton of tables, and it's pretty insightful to think about all the stuff it's trying to consider and a nightmare to migrate that framework. Django might have simplified some stuff, but it's still too opaque for my taste and the overall end goals of the project. Currently, I'm testing using graphjin (it doesn't have the best documentation, but it does boast an SQL generation capability that I philosophically think is the best way to do things).
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Advice on ORMs with REST/GraphQL & Hasura/PostGraphile implementation
Checkout GraphJin it's an automatic GraphQL to SQL compiler, you write your database queries in GraphQL instead of SQL and it compiles them into efficient SQL on the fly. Works as a library in GO and NodeJS. https://github.com/dosco/graphjin
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Ask HN: How do you test SQL?
In GraphJin an automatic GraphQL to SQL compiler we use the gnomock library it startups a database instance (docker) then create the schema and tests data and finally our code connects to it and runs a series of tests. We run these across Mysql, Postgres and a few other DB's. Gnomock supports a wide range of them. Right now we don't take down the db for every test only between test runs but its fast enough that we could. This whole thing runs of a simple `go test -v .` command and we run it on every commit using a githook. https://github.com/dosco/graphjin/blob/master/tests/dbint_te...
- Should I use GraphQL for a public facing API (in place of a REST API)?
- GraphJin 2.0 - A new kind of ORM for GO
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Multiple subscriptions fom apollo aclient.
This was a bug in GraphJin it has since been fixed. The issue was that you were trying to have multiple subscriptions over a single websocket this did not work (it should) and now it does. https://github.com/dosco/graphjin/commit/43e619b2ff392dd42b99a4d56074a041a54b0e1c
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Is graphql-request a good tool for only client side api? Share your feedbacks. Thanks 🙏
Not exactly GraphQL is just a format to define what data you want back from someplace. You can use it in a browser app to request data from a backend GraphQL server or you can use it as an ORM within your backend app to fetch data from a database using a library like GraphJin. https://github.com/dosco/graphjin
- Graphjin.js - An easy-to-use, zero dependency Node.js library to build APIs quickly
What are some alternatives?
httpaf - A high performance, memory efficient, and scalable web server written in OCaml
Hasura - Blazing fast, instant realtime GraphQL APIs on your DB with fine grained access control, also trigger webhooks on database events.
pyparsing - Python library for creating PEG parsers
graphql-go - GraphQL server with a focus on ease of use
refute - Refute module.
gqlgen - go generate based graphql server library
angstrom - Parser combinators built for speed and memory efficiency
asciinema - Platform for hosting and sharing terminal session recordings
parser - String parser combinators
graphql-benchmarks - GraphQL benchmarks using the-benchmarker framework.
generator - Generator module.
node-pg-migrate - Node.js database migration management for PostgreSQL