schema-dts
laminar
schema-dts | laminar | |
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2 | 4 | |
825 | 23 | |
2.5% | - | |
0.0 | 0.0 | |
2 months ago | 6 months ago | |
TypeScript | TypeScript | |
Apache License 2.0 | GNU General Public License v3.0 or later |
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schema-dts
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Are there any typescript validation libraries for schema.org json-ld metadata?
I'm trying to extract and validate json-ld objects from web pages but after a bunch of searching I cannot find any libraries that validate json-ld schema.org metadata that produces typed typescript objects. I was able to find schema-dts which has the typescript types, but does not appear to have a validator. I also found schemaorg-jsd, which does the validation, but does not seem to add typescript types to the object.
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Ask HN: Do you use JSON Schema? Help us shape its future stability guarantees
Just last week, I added the ability to export [Umami](https://www.umami.recipes/) recipes as [Recipe JSON Schema](https://schema.org/Recipe). Writing the code for it was quite pleasant thanks to [schema-dts](https://github.com/google/schema-dts).
laminar
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Ask HN: Does Anyone Like GraphQL?
The main (and only) criticism I’ve ever heard about graphql in the companies I worked for was that it is very js-oriented all the best libs/frameworks for it are for react frontend / node server mostly.
Backend scala / php devs looked at it with distaste in their eyes, coming up with various reasons why its not a good idea.
And to be fair with tools like openapi / grpc a lot of the benefits of graphql can be replicated.
Even if they are clumsy and fragmented compared to it in my eyes, they still work well enough and keep devs in all camps happy enough, and compromise as they say is “when everyone is equally unhappy”.
Now placed in situations like this I am usually forced to reimplement graphql tooling with the chosen api tech (for example https://github.com/ovotech/laminar) and if me as a single dev could do it, then I’d wager if there was stronger tech leadership, all the other tech tribes could just smooth the edges that they didn’t like for using graphql in their respective languages … but sadly that has not been my experience.
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Ask HN: Do you use JSON Schema? Help us shape its future stability guarantees
I use it extensively in prod. Well the superset that is OpenApi. It enables contract first development where any change to the api is done in the schema fist, and then implemented by the clients/server.
Since we have tooling[0] that validates requests and responses at runtime, the clients can be absolutely sure of what they receive (we through 500 if the server attempts to respond with an undocumented respond) And the server is also sure about the shape of the requests. This allows us to validate everything at compile time too, generating typescript types for both client and server.
And since we have similar tooling regarding our data stores (typescript types for sql queries) most of the time if there is a bug, the code would simply not compile - pretty nifty!
[0] - https://github.com/ovotech/laminar
- SQLBolt – Interactive lessons and exercises to learn SQL
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Bad TypeScript Habits to Break This Year
If the api has some contract with it OpenApi / Swagger / etc, its surprisingly easy to write a parser that would convert those to typescript types. TS has an awesome use as a library itself where you can write the ast with, and then tell it to convert it to code.
We use it to great effect ourselves, by generating types for axios.
https://github.com/ovotech/laminar/tree/main/packages/lamina...
Now granted, you’re now trusting the api writers with their contract, but if its another team in the org we’ve found it to be warranted.
What are some alternatives?
openapi-generator - OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
pgtyped - pgTyped - Typesafe SQL in TypeScript
alterschema - Convert between JSON Schema specification versions.
fp-ts - Functional programming in TypeScript
cue - The home of the CUE language! Validate and define text-based and dynamic configuration
alt-schema - Flat JSON Schema specification and basic utility methods
json-editor - JSON Schema Based Editor
tslint - :vertical_traffic_light: An extensible linter for the TypeScript language
library-recommendations - Evaluating Open Source libraries for particular purposes
zod - TypeScript-first schema validation with static type inference