@hyperjump/json-schema/stable/meta/format-assertion.js

A JSON Schema validator with support for custom keywords, vocabularies, and dialects

export default {
  "$schema": "https://json-schema.org/validation",
  "title": "Format vocabulary meta-schema for assertion results",

  "$dynamicAnchor": "meta",

  "properties": {
    "format": { "type": "string" }
  }
};