Interface

CustomValidatorConfig

@ng-forge/dynamic-forms

Custom validator configuration using Angular's public FieldContext API Returns ValidationError | ValidationError[] | null synchronously

Supports two patterns: 1. Function-based: { type: 'custom', functionName: 'myValidator' } 2. Expression-based: { type: 'custom', expression: 'fieldValue === formValue.password', kind: 'passwordMismatch' }

Signature

interface CustomValidatorConfig
  extends BaseValidatorConfig

Properties

Name	Type	Description
`type`	`"custom"`	Validator type identifier
`functionName` ?	`string`	Name of registered validator function (function-based pattern)
`params` ?	`Record<string, unknown>`	Optional parameters to pass to validator function
`expression` ?	`string`	JavaScript expression to evaluate (expression-based pattern)
`kind` ?	`string`	Error kind for expression-based validators - links to validationMessages
`errorParams` ?	`Record<string, string>`	Parameters to include in error object for message interpolation (expression-based pattern) Map of parameter names to expressions that will be evaluated in the same context as the validation expression

packages/dynamic-forms/src/lib/models/validation/validator-config.ts:35