lodash-decorators/validate/index.js

A collection of decorators using lodash at it's core.

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});

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

var _lodashCollectionEvery = require('lodash/collection/every');

var _lodashCollectionEvery2 = _interopRequireDefault(_lodashCollectionEvery);

var _decoratorFactory = require('../decoratorFactory');

exports['default'] = (0, _decoratorFactory.createDecorator)(validateDecorator);

function validateDecorator(fn) {
  for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    args[_key - 1] = arguments[_key];
  }

  var validators = args.map(function (arg) {
    return Array.isArray(arg) ? arg : Array.of(arg);
  }).map(function (fns) {
    return function (arg) {
      return (0, _lodashCollectionEvery2['default'])(fns, function (fn) {
        return fn(arg);
      });
    };
  });

  return function validator() {
    for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      args[_key2] = arguments[_key2];
    }

    validate(args);
    return fn.call.apply(fn, [this].concat(args));
  };

  function validate(args) {
    for (var i = 0, len = args.length; i < len; i++) {
      if (validators[i] && !validators[i](args[i])) {
        throw new TypeError('Argument did not pass validation. Got ' + typeof arg + '.');
      }
    }
  }
}
module.exports = exports['default'];