ExcludedRule

Validation rule to check that one or more values are excluded from the list of constants.

Implements: IValidationRule

Description

The ExcludedRule allows you to verify that none of the values specified in the rule is present in a list of constants.

Constructors

Creates a new validation rule and sets its values

public constructor(…values: any[])

  • values: any[] - a list of constants that value must be excluded from

Instance methods

validate

Validates the given value. null of the values set in this ExcludedRule object must exist in the value that is given for validation to pass.

public validate(path: string, schema: Schema, value: any, results: ValidationResult[]): void

  • path: string - the dot notation path to the value that is to be validated.
  • schema: Schema - (not used in this implementation).
  • value: any - the value that is to be validated.
  • results: ValidationResult[] - the results of the validation.

Examples

let schema = new Schema()
    .withRule(new ExcludedRule(1, 2, 3));
 
schema.validate(2);      // Result: 2 must not be one of 1, 2, 3
schema.validate(10);     // Result: no errors

See also