waigo/src/support/forms/validators/lib.js

Node.js ES6 framework for reactive, data-driven apps and APIs (Koa, RethinkDB)

"use strict";

const validator = require('validator');

const waigo = global.waigo,
  FieldValidationError = waigo.load('support/forms/field').FieldValidationError;


/**
 * Validator which excutes a function from validator lib
 *
 * @throws Error If not an email address.
 */
module.exports = function(options) {
  let method = options.method,
    args = options.args;

  args = args || [];

  if (!validator[method]) {
    throw new FieldValidationError(`Invalid method: ${method}`);
  }

  return function*(context, field, value) {
    if (!validator[method].apply(validator, [value].concat(args))) {
      throw new FieldValidationError(`Validation failed: ${method}`);
    }
  }
};