ndla-ui/es/Embedded/Twitter.js

UI component library for NDLA.

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 PropTypes from 'prop-types';

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

  _createClass(EmbeddedTwitter, null, [{
    key: 'removeChildren',
    value: function removeChildren(node) {
      if (node) {
        while (node.firstChild) {
          node.removeChild(node.firstChild);
        }
      }
    }
  }]);

  function EmbeddedTwitter(props) {
    _classCallCheck(this, EmbeddedTwitter);

    var _this = _possibleConstructorReturn(this, (EmbeddedTwitter.__proto__ || Object.getPrototypeOf(EmbeddedTwitter)).call(this, props));

    _this.loadWidget = _this.loadWidget.bind(_this);
    return _this;
  }

  _createClass(EmbeddedTwitter, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      if (window.twttr) {
        this.loadWidget();
      }
    }
  }, {
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate(nextProps) {
      return this.props.screenName !== nextProps.screenName;
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate() {
      if (window.twttr) {
        this.loadWidget();
      }
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      EmbeddedTwitter.removeChildren(this.widgetWrapper);
    }
  }, {
    key: 'loadWidget',
    value: function loadWidget() {
      var _this2 = this;

      window.twttr.ready(function (tw) {
        // Delete existing
        EmbeddedTwitter.removeChildren(_this2.widgetWrapper);

        var _props = _this2.props,
            screenName = _props.screenName,
            tweetLimit = _props.tweetLimit;
        // Create widget

        tw.widgets.createTimeline({ sourceType: 'profile', screenName: screenName }, _this2.widgetWrapper, {
          tweetLimit: tweetLimit,
          chrome: 'noheader nofooter noborders',
          borderColor: '#e8e3e3'
        });
      });
    }
  }, {
    key: 'render',
    value: function render() {
      var _this3 = this;

      return React.createElement('div', {
        ref: function ref(c) {
          _this3.widgetWrapper = c;
        }
      });
    }
  }]);

  return EmbeddedTwitter;
}(React.Component);

EmbeddedTwitter.propTypes = {
  screenName: PropTypes.string.isRequired,
  tweetLimit: PropTypes.number
};

EmbeddedTwitter.defaultProps = {
  tweetLimit: 10
};

export default EmbeddedTwitter;