JSONSchema 本身是否有 JSONSchema？

Question

Is there a JSONSchema for JSONSchema itself? I am building a product that requires me to validate if the user has provided a valid JSONSchema. I did a lot of Googling but I can't seem to find an example.

Answer 1

That's exactly what goes in the $schema keyword: one of:

• http://json-schema.org/draft-03/schema#
• http://json-schema.org/draft-04/schema#
• http://json-schema.org/draft-06/schema#
• http://json-schema.org/draft-07/schema#
• https://json-schema.org/draft/2019-09/schema

...or perhaps a schema that extends one of those.