json-schema

JSON Schema validator library, corresponding to the OpenAPI/Swagger variant of JSON Schema.

Implemented keywords:

• any type
  • const
  • (TODO) default
  • enum
  • nullable
  • type
• array
  • items
  • additionalItems
  • minItems
  • maxItems
  • uniqueItems
• number
  • minimum
  • exclusiveMinimum
  • maximum
  • exclusiveMaximum
  • multipleOf
• object
  • properties
  • additionalProperties
  • minProperties
  • maxProperties
  • (TODO) required
• strings
  • format
  • minLength
  • maxLength
  • pattern
    • includes regex for: date, date-time, email, hostname, ipv4, ipv6, time, uri, uuid
• sub-schemas
  • allOf
  • anyOf
  • oneOf
  • not

Installation

Add this to your application's shard.yml:

dependencies:
  json-schema:
    github: sa-0001/json-schema-cr

Usage & Examples

require "json-schema"

schema = JsonSchema.new %({
	"type": "object",
	"properties": {
		"name": {
			"type" "string"
		},
		"age": {
			"type" "integer"
		}
	}
})

result = schema.validate %({
	"name": "Johnny",
	"age": "30"	
})

pp result.valid, result.errors