Required Validation Constraint Value

Name

http://lynx-json.org/validation/required

Meaning

The required validation constraint value expresses a required constraint for an input value.

Format Rules

A required validation constraint value MUST be a required validation constraint object that complies with the following rules:

• MUST comply with the validation constraint object rules.

Examples

{
  "actor": null,
  "actorRequiredError": "The value is required.",
  "spec": {
    "hints": [ "container" ],
    "children": [
      {
        "name": "actor",
        "input": true,
        "validation": {
          "required": {
            "invalid": "actorRequiredError"
          }
        }
      },
      {
        "name": "actorRequiredError",
        "hints": [ "text" ]
      }
    ]
  }
}

Authoring Rules

None

Authoring Considerations

None

User Agent Rules

// TODO: remove "ignore" and decide on wording

The user agent MAY ignore the required property, otherwise it MUST comply with the following rules:

• If the input value is undefined, null, "", or [], then the validation state of the constraint is invalid; otherwise, the validation state of the constraint is valid.

User Agent Considerations

None