sc-react-ions/lib/utilities/validation.js

An open source set of React components that implement Ambassador's Design and UX patterns.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.validate = undefined;

var _immutable = require('immutable');

// The validate utility checks the provided values against the provided validation.
// The utility receives two arguments in the following format:
//
// formValidation = Immutable.fromJS({
//   email: {
//     validators: [
//       {
//         validator: isRequired,
//         message: 'This field is required'
//       },
//       {
//         validator: isValidEmail,
//         message: 'Please provide a valid email'
//       }
//     ]
//   }
// })
//
// fields = Map({
//   email: 'test@example.com'
// })

var validate = exports.validate = function validate() {
  var formValidation = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : (0, _immutable.Map)();
  var fields = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (0, _immutable.Map)();


  // Loop through validated fields
  return formValidation.reduce(function (errors, fieldValidation, key) {

    // Get the currently set value
    var fieldValue = fields.get(key);

    // Helper that runs validation function and returns error message
    var getFieldError = function getFieldError(v, f) {
      var validator = f.get('validator');
      var message = f.get('message');

      return !validator(fieldValue) ? message : v;
    };

    // Get the first error where not valid (false if valid)
    var fieldError = fieldValidation.get('validators').reduceRight(getFieldError, '');

    // If there is an error append to errors
    if (fieldError) return errors.set(key, fieldError);

    // If no error, don't add the field to errors
    return errors;
  }, (0, _immutable.Map)());
};