react-component-decorators/lib/renderWhen.js

React decorators, magic.

'use strict';

exports.__esModule = true;

exports.default = function () {
  var conditions = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

  var defaultOptions = {
    conditions: conditions,

    // passes in apply to validators
    thisArg: false,

    // used when rendering non valid
    displayLoading: null,

    // will not even try to validate unless the value
    // exists
    exists: true,

    // if this is false,
    // it will validate on every render
    ready: true
  };
  options = Object.assign(defaultOptions, options);
  var displayed = options.displayLoading;
  if (typeof displayed === 'function') displayed = displayed();

  return function extendTarget(target) {
    var RenderWhenReady = function (_target) {
      _inherits(RenderWhenReady, _target);

      function RenderWhenReady() {
        var _temp, _this, _ret;

        _classCallCheck(this, RenderWhenReady);

        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
          args[_key] = arguments[_key];
        }

        return _ret = (_temp = (_this = _possibleConstructorReturn(this, _target.call.apply(_target, [this].concat(args))), _this), _this.readyToRender = false, _temp), _possibleConstructorReturn(_this, _ret);
      }

      // @autobind
      RenderWhenReady.prototype.render = function render() {
        if (options.ready && this.readyToRender) {
          return _target.prototype.render.call(this, this.props, this.state);
        }

        // if not valid
        if ((0, _validateOn2.default)(options, this)) {
          this.readyToRender = true;
          return _target.prototype.render.call(this, this.props, this.state);
        } else {
          return displayed;
        }
      };

      return RenderWhenReady;
    }(target);

    return RenderWhenReady;
  };
  // return extendTarget
};

var _validateOn = require('./validateOn');

var _validateOn2 = _interopRequireDefault(_validateOn);

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

// @TODO:
// - [ ] add a class builder to have those presets available

// state, props
// fn callback, or exists
//
// can extend with options or just class


module.exports = exports['default'];