Validate multiple duplicate objects in JSON-SCHEMA

Question

I'd like to validate a json object with the json-schema, but that json object can duplicate its values as many times as the user wants.

The keys of that object can be repeated as many times as the user wishes at the times the user create his json.

example 1: (collection with object)

{ 
  "info":
  [
  { 
    "name":  "aaron",
    "email": "aaron.com"
  }
  ]
}

JSON-SCHEMA of Example 1

   {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        },
        "email": {
          "type": "string"
        }
      },
      "required": [
        "name",
        "email"
      ]
    }

example 2: (collection with 2 object)

{ 
  "info":
  [
  { 
    "name":  "aaron",
    "email": "aaron.com"
  },

  { 
    "name":  "misa",
    "email": "misa.com"
  }
  ]
}

JSON SCHEMA of example 2

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "info": {
      "type": "array",
      "items": [
        {
          "type": "object",
          "properties": {
            "name": {
              "type": "string"
            },
            "email": {
              "type": "string"
            }
          },
          "required": [
            "name",
            "email"
          ]
        },
        {
          "type": "object",
          "properties": {
            "name": {
              "type": "string"
            },
            "email": {
              "type": "string"
            }
          },
          "required": [
            "name",
            "email"
          ]
        }
      ]
    }
  },
  "required": [
    "info"
  ]
}

In short, what I am looking for is a dynamic json schema that no matter how many times the collection grows, it can use only 1 and not generate several.

Relequestual · Accepted Answer · 2021-07-29 15:40:23Z

1

As you're using draft-04, I'll quote from the draft-04 specification.

This means you want items to have an object value as opposed to an array of objects.

The value of "items" MUST be either an object or an array. If it is
an object, this object MUST be a valid JSON Schema. If it is an
array, items of this array MUST be objects, and each of these objects MUST be a valid JSON Schema.

Draft-04 specificiation https://datatracker.ietf.org/doc/html/draft-fge-json-schema-validation-00#section-5.3.1

In JSON Schema 2020-12, items may ONLY be an object value, and you must use a different keyword for tuple like validation.

answered Jul 29, 2021 at 15:40

Relequestual

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Comments

Meetanshi Mittal · Accepted Answer · 2021-09-07 15:45:47Z

This worked for me-

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "info": {
      "type": "array",
      "items": [
        {
          "type": "object",
          "properties": {
            "name": {
              "type": "string"
            },
            "email": {
              "type": "string"
            }
          },
          "required": [
            "name",
            "email"
          ]
        }
      ]
      "additionalItems":{
         "type": "object",
          "properties": {
            "name": {
              "type": "string"
            },
            "email": {
              "type": "string"
            }
          },
          "required": [
            "name",
            "email"
          ]
      }
    }
  },
  "required": [
    "info"
  ]
 }

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