Export / Import JSON Schema from/to PKL classes about pkl HOT 4 OPEN

Good timing; we just submitted apple/pkl-pantry#12 that adds support for this!

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That PR has landed.

You can generate Pkl schema from JSON Schema; for example:

pkl eval package://pkg.pkl-lang.org/pkl-pantry/[email protected]#/generate.pkl -m . -p source="https://json.schemastore.org/github-action.json"

Note: depending on the input JSON Schema, you might need to tinker with the generated result to make it more useful. Some of JSON Schema is more expressive than Pkl; take a look at the docs for more details: https://pkl-lang.org/package-docs/pkg.pkl-lang.org/pkl-pantry/org.json_schema.contrib/current/generate/index.html

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Great to hear! JSON Schema also conditional blocks i.e if/else and I assume that it's not supported yet. Not sure if it's feasible in addition to the work for anyOf/allOff but maybe something to consider.
BTW, the speed you ship the integrations today is impressive. This was something that I tried with Jsonnet a while and I couldn't manage to get it done in a seamless way. Great work!

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generate.pkl works great and was absolutely critical for our team to start considering pkl adoption, thank you for that 👏

I see apple/pkl-pantry#12 mentions it:

provides support for generating JSON Schema from Pkl

but I'm wondering if one is actually able to convert Pkl classes into a JSON Schema; for example:

1. use generate.pkl to generate Pkl from a JSON Schema
2. now de-transform the generated Pkl code back into a JSON Schema

I'm describing the scenario above just to be clear about what kind of Pkl code I'm trying to convert to a JSON Schema, in general I don't expect people to do those exact 2 steps. But something like those steps would be helpful for our project to confidently migrate from JSON Schemas to Pkl, and not have to change all the systems to Pkl at once.

Thank you!

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