redux-form-validators/lib/combine.js

Simple validations with redux-form / react-final-form

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = combine;
exports.firstErr = firstErr;

var _validators = _interopRequireDefault(require("./validators"));

var _helpers = require("./helpers");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

var CACHE = {};
var VALIDATOR_ID = 0;

function combine() {
  var args = arguments;
  if (!_validators["default"].defaultOptions.memoize) return firstErr(args);
  var keys = [];

  for (var i = 0, len = args.length; i < len; ++i) {
    keys.push(args[i]._validatorId || (args[i]._validatorId = ++VALIDATOR_ID));
  }

  var key = keys.sort().join('-');
  return _helpers.HAS_PROP.call(CACHE, key) ? CACHE[key] : CACHE[key] = firstErr(args);
}

function firstErr(arr) {
  return function () {
    for (var i = 0, len = arr.length, err; i < len; ++i) {
      if (err = arr[i].apply(null, arguments)) return err;
    }
  };
}