// The "details" property of the ValidationError must be an array of objects

// containing at least two properties. The "name" and "type" properties are

// required.

const errorsPattern = [Match.ObjectIncluding({

name: String,

type: String

})];

ValidationError = class extends Meteor.Error {

constructor(errors, message = ValidationError.DEFAULT_MESSAGE) {

check(errors, errorsPattern);

check(message, String);

return super(ValidationError.ERROR_CODE, message, errors);

}

// Static method checking if a given Meteor.Error is an instance of

// ValidationError.

static is(err) {

return err instanceof Meteor.Error && err.error === ValidationError.ERROR_CODE;

};

};

// Universal validation error code to be use in applications and packages.

ValidationError.ERROR_CODE = 'validation-error';

// Default validation error message that can be changed globally.

ValidationError.DEFAULT_MESSAGE = 'Validation failed';