Re:Ask HN: Do you use JSON Schema? Help us shape its future ...
by Taywee on Tuesday January 31, 2023 @04:19PM
(#34602317)
Huh, you're right. There is additionalProperties, but I mistakenly thought `"additionalProperties": false` was the default.
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Re:Ask HN: Do you use JSON Schema? Help us shape its future ...
by relequestual on Wednesday February 01, 2023 @06:11AM
(#34609028)
It is not =]
Additionally, the value is a "schema" as opposed to a boolean, meaning you can apply a subschema to any additional fields. Useful if you for instance want to make sure any additional fields start with a specific prefix.
Booleans are valid schemas. It's subschemas all the way down! I wrote an article around this topic: https://json-schema.org/blog/posts/applicability-json-schema...