ukelli-ui/core/loading/loading.js

[](https://travis-ci.org/ukelli/ukelli-ui) [](https://packagephobia.now.sh/result?p=ukelli-ui)

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _react = _interopRequireWildcard(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _reactTransitionGroup = require("react-transition-group");

var _progress = _interopRequireDefault(require("./progress"));

var _placeholder = _interopRequireDefault(require("./placeholder"));

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

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var Loading =
/*#__PURE__*/
function (_Component) {
  _inherits(Loading, _Component);

  function Loading() {
    _classCallCheck(this, Loading);

    return _possibleConstructorReturn(this, _getPrototypeOf(Loading).apply(this, arguments));
  }

  _createClass(Loading, [{
    key: "transitionWrap",
    value: function transitionWrap(key, children) {
      return _react.default.createElement(_reactTransitionGroup.CSSTransition, {
        classNames: "loading",
        timeout: 200,
        key: key
      }, _react.default.createElement("div", null, children));
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props = this.props,
          _this$props$loading = _this$props.loading,
          loading = _this$props$loading === void 0 ? false : _this$props$loading,
          children = _this$props.children,
          inrow = _this$props.inrow,
          loadingDOM = _this$props.loadingDOM;
      var loadingDOMFilterRes;

      switch (true) {
        case !!loadingDOM:
          // custom mode
          loadingDOMFilterRes = loadingDOM;
          break;

        case inrow:
          // progress
          loadingDOMFilterRes = _react.default.createElement(_progress.default, null);
          break;

        default:
          // placeholder
          loadingDOMFilterRes = _react.default.createElement(_placeholder.default, null);
      }

      var container;

      switch (true) {
        // solution 1, render chidlren with progress
        case loading && inrow:
          container = [this.transitionWrap('loading', _react.default.createElement("div", {
            className: "loading-container"
          }, loadingDOMFilterRes)), this.transitionWrap('loaded', children)];
          break;
        // solution 2, when inrow and no children or not inrow, just render placeholder

        case loading && !inrow:
          container = this.transitionWrap('loading', _react.default.createElement("div", {
            className: "loading-container"
          }, loadingDOMFilterRes));
          break;
        // solution 3, just render children

        case !loading:
          container = this.transitionWrap('loaded', children);
          break;

        default:
      }

      return _react.default.createElement("div", {
        className: "loading-control " + (loading ? 'loading' : 'planning')
      }, _react.default.createElement(_reactTransitionGroup.TransitionGroup, {
        component: null
      }, container));
    }
  }]);

  return Loading;
}(_react.Component);

exports.default = Loading;

_defineProperty(Loading, "propTypes", {
  /** loading 状态 */
  loading: _propTypes.default.bool.isRequired,

  /** 子内容 */
  children: _propTypes.default.any,

  /** 可以替换默认的 loading 模版 */
  loadingDOM: _propTypes.default.any,

  /** 内容是否与 loading 模版共存 */
  inrow: _propTypes.default.bool
});

_defineProperty(Loading, "defaultProps", {
  inrow: false
});