redux-validate-fsa/lib/middleware.js

Redux middleware that validates if an action is a Flux Standard Action (FSA)

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});
exports['default'] = fsa;

var _fluxStandardAction = require('flux-standard-action');

/**
 * Creates a Redux middleware that validates if supplied actions are FSA-compliant.
 *
 * @param {Array|Function} ignore (optional) - an array of action types
 * that should be skipped from the FSA check or a predicate of type (Action) => bool
 * that should return true for actions that should be skipped from the FSA check.
 *
 * @returns {Function} A Redux middleware.
 */

function fsa(ignore) {
  var _ignore = (function () {
    if (!ignore) return function () {
      return false;
    };
    if (typeof ignore === 'function') return ignore;
    if (Array.isArray(ignore)) return function (action) {
      return action && ~ignore.indexOf(action.type);
    };
    throw new Error('\'ignore\' must be an array or function');
  })();

  return function (store) {
    return function (next) {
      return function (action) {
        if (_ignore(action) || action && (0, _fluxStandardAction.isFSA)(action)) {
          return next(action);
        }
        throw new Error('\'action\' must be an object and FSA compliant');
      };
    };
  };
}

module.exports = exports['default'];