redux-form/es/selectors/isValid.js

A higher order component decorator for forms using Redux and React

import createHasError from '../hasError';

var createIsValid = function createIsValid(structure) {
  var getIn = structure.getIn;

  var hasError = createHasError(structure);
  return function (form) {
    var getFormState = arguments.length <= 1 || arguments[1] === undefined ? function (state) {
      return getIn(state, 'form');
    } : arguments[1];
    return function (state) {
      var formState = getFormState(state);
      var error = getIn(formState, form + '.error');
      if (error) {
        return false;
      }
      var syncErrors = getIn(formState, form + '.syncErrors');
      var asyncErrors = getIn(formState, form + '.asyncErrors');
      var submitErrors = getIn(formState, form + '.submitErrors');
      if (!syncErrors && !asyncErrors && !submitErrors) {
        return true;
      }

      var registeredFields = getIn(formState, form + '.registeredFields') || [];
      return !registeredFields.some(function (field) {
        return hasError(field, syncErrors, asyncErrors, submitErrors);
      });
    };
  };
};

export default createIsValid;