[oXygen-user] [OXYGEN-6052] Why is the JSON Schema $anchor not supported?

[Oxygen XML Editor Support (Florin Nica)]

Hi Roger,

The library is called /json-sKema/. You can check its GitHub repository 
for more details: https://github.com/erosb/json-sKema.

Regards,
Florin

On 08/05/23 2:18 PM, Roger L Costello wrote:
>
> Florin Nica wrote:
>
>   * We plan to provide full support for JSON Schema /Draft 2020-12/ in
>     the near future by using another library.
>
> Would you mind telling me what library (JSON Schema validator tool) 
> that you will be adding into Oxygen? (I can understand if you do not 
> wish to tell me.)
>
> /Roger
>
> *From:*oXygen-user <oxygen-user-bounces at oxygenxml.com> *On Behalf Of 
> *Oxygen XML Editor Support (Florin Nica)
> *Sent:* Tuesday, June 27, 2023 4:01 AM
> *To:* oxygen-user at oxygenxml.com
> *Subject:* [EXT] Re: [oXygen-user] [OXYGEN-6052] Why is the JSON 
> Schema $anchor not supported?
>
> Hi Roger, Thank you very much for the feedback. We use a third-party 
> library for JSON Schema validation and, unfortunately, it does not 
> support the "$anchor" and "$dynamicAnchor" keywords. This is mentioned 
> as a limitation in our user-guide,
>
> ZjQcmQRYFpfptBannerStart
>
> Hi Roger,
>
> Thank you very much for the feedback.
>
> We use a third-party library for JSON Schema validation and, 
> unfortunately, it does not support the "$anchor" and "$dynamicAnchor" 
> keywords. This is mentioned as a limitation in our user-guide 
> <https://www.oxygenxml.com/doc/versions/25.1/ug-editor/topics/json-validating-json-schema.html#json-validating-json-schema__section_n4d_llf_y5b>, 
> but, indeed, the message displayed for "$anchor" is not accurate at all.
>
> We plan to provide full support for JSON Schema /Draft 2020-12/ in the 
> near future by using another library. I will let you know when this 
> support is ready.
>
> Regards,
> Florin
>
> On 6/22/2023 9:25 PM, Roger L Costello wrote:
>
>     When I add "$anchor" to my JSON Schema, the Oxygen editor gives this error message:
>
>        The keyword "$anchor" is not part of
>
>        JSON Schema Draft 2020-12 specification.
>
>        Therefore, it is ignored by the validation engine.
>
>     But that's not true. See section 8.2.2 of the 2020-12 specification (https://json-schema.org/draft/2020-12/json-schema-core.html#section-8.2.2):
>
>     Using JSON Pointer fragments requires knowledge of the structure of the schema. When writing schema documents with the intention to provide re-usable schemas, it may be preferable to use a plain name fragment that is not tied to any particular structural location. This allows a subschema to be relocated without requiring JSON Pointer references to be updated.
>
>     The "$anchor" and "$dynamicAnchor" keywords are used to specify such fragments. They are identifier keywords that can only be used to create plain name fragments, rather than absolute URIs as seen with "$id"...
>
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> -- 
> Florin Nica
> <oXygen/> XML Editor
> www.oxygenxml.com  <http://www.oxygenxml.com>
>
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-- 
Florin Nica
<oXygen/> XML Editor
www.oxygenxml.com

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