Class: ValidationError

new ValidationError(message, code)

Parameters:

Name	Type	Description
message	string	Human-readable error message describing the validation failure
code	string	Machine-readable error code for programmatic error handling (e.g., INVALID_EMAIL_FORMAT, MISSING_DATE, AGE_TOO_YOUNG)

Properties:

Name	Type	Description
name	string	Always set to "ValidationError"
code	string	The error code provided during construction
message	string	The error message provided during construction

Source:

• validators/ValidationError.js, line 1

Examples

// Throw a validation error with code
throw new ValidationError("Email address must be in a valid format", "INVALID_EMAIL_FORMAT");

// Catch and handle validation error
try {
  validateEmail("invalid-email");
} catch (error) {
  if (error instanceof ValidationError) {
    console.log(error.code); // "INVALID_EMAIL_FORMAT"
    console.log(error.message); // "Email address must be in a valid format"
  }
}