react-mwc/Base/mdc-component-base.js

A thin React wrapper for Material Design (Web) Components

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

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; }

import React from 'react';
import ReactDOM from 'react-dom';
import PropTypes from 'prop-types';
import { propMeta } from './prop-meta';
import { noop } from './noop';

export var MDCComponentBase = function (_React$Component) {
  _inherits(MDCComponentBase, _React$Component);

  function MDCComponentBase() {
    var _ref;

    var _temp, _this, _ret;

    _classCallCheck(this, MDCComponentBase);

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

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref = MDCComponentBase.__proto__ || Object.getPrototypeOf(MDCComponentBase)).call.apply(_ref, [this].concat(args))), _this), Object.defineProperty(_this, 'MDCListeners', {
      enumerable: true,
      writable: true,
      value: []
    }), Object.defineProperty(_this, 'MDCRootElement', {
      enumerable: true,
      writable: true,
      value: undefined
    }), _temp), _possibleConstructorReturn(_this, _ret);
  }

  _createClass(MDCComponentBase, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      this.MDCComponentInit(this.props);
    }
  }, {
    key: 'componentWillUpdate',
    value: function componentWillUpdate(nextProps) {
      this.MDCHandleProps(nextProps);
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.MDCComponentDestroy();
    }
  }, {
    key: 'MDCComponentInit',
    value: function MDCComponentInit() {
      if (this.constructor.MDCComponentClass) {
        var el = this.MDCGetRootElement();

        // a stupid hack for the test environment where this ends up undefined
        if (process.env.NODE_ENV === 'test') {
          el.dataset = {};
        }

        this.MDCApi = new this.constructor.MDCComponentClass(el);
        this.props.apiRef(this.MDCApi);
      }
      this.MDCComponentDidMount();
      this.MDCHandleProps(this.props, true);
    }
  }, {
    key: 'MDCComponentReinit',
    value: function MDCComponentReinit() {
      this.MDCComponentDestroy();
      this.MDCComponentInit();
    }
  }, {
    key: 'MDCComponentDestroy',
    value: function MDCComponentDestroy() {
      this.MDCUnregisterAllListeners();
      this.MDCApi && this.MDCApi.destroy();
    }
  }, {
    key: 'MDCRegisterListener',
    value: function MDCRegisterListener(eventName, func) {
      var _this2 = this;

      this.MDCApi.listen(eventName, func);
      this.MDCListeners.push(function () {
        return _this2.MDCApi.unlisten(eventName, func);
      });
    }
  }, {
    key: 'MDCUnregisterAllListeners',
    value: function MDCUnregisterAllListeners() {
      this.MDCListeners.forEach(function (unlisten) {
        return unlisten();
      });
      this.MDCListeners.length = 0;
    }
  }, {
    key: 'MDCSetRootElement',
    value: function MDCSetRootElement(el) {
      this.MDCRootElement = el;
    }
  }, {
    key: 'MDCGetRootElement',
    value: function MDCGetRootElement() {
      return this.MDCRootElement || ReactDOM.findDOMNode(this);
    }
  }, {
    key: 'MDCHandleProps',
    value: function MDCHandleProps(props, isInitialMount) {
      // Use this in the consumer to handle any api props that have changed
    }
  }, {
    key: 'MDCComponentDidMount',
    value: function MDCComponentDidMount() {
      // Use this in the consumer to handle registering any listeners for MDC
    }
  }]);

  return MDCComponentBase;
}(React.Component);

Object.defineProperty(MDCComponentBase, 'MDCComponentClass', {
  enumerable: true,
  writable: true,
  value: undefined
});
Object.defineProperty(MDCComponentBase, 'propTypes', {
  enumerable: true,
  writable: true,
  value: {
    apiRef: PropTypes.func
  }
});
Object.defineProperty(MDCComponentBase, 'defaultProps', {
  enumerable: true,
  writable: true,
  value: {
    apiRef: noop
  }
});
Object.defineProperty(MDCComponentBase, 'propMeta', {
  enumerable: true,
  writable: true,
  value: propMeta({
    apiRef: {
      type: 'Function',
      desc: 'A callback that receives the MDC api instance as its only argument.'
    }
  })
});
export default MDCComponentBase;