zarm-web/lib/loading/index.js

基于 React 的桌面端UI库

"use strict";

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

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

var _activityIndicator = _interopRequireDefault(require("zarm/es/activity-indicator"));

var _classnames2 = _interopRequireDefault(require("classnames"));

var _debounce = _interopRequireDefault(require("../utils/debounce"));

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

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

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

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); }

_activityIndicator.default.defaultProps.prefixCls = 'zw-activity-indicator';

function shouldDelay(visible, delay) {
  return !!visible && !!delay && !Number.isNaN(Number(delay));
}

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

  function Loading(props) {
    var _this;

    _classCallCheck(this, Loading);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(Loading).call(this, props));

    _this.updateSpinning = function () {
      var visible = _this.props.visible;
      var currentVisible = _this.state.visible;

      if (currentVisible !== visible) {
        _this.setState({
          visible: !!visible
        });
      }
    };

    _this.debouncifyUpdateSpinning = function () {
      var delay = _this.props.delay;

      if (delay) {
        _this.updateSpinning = (0, _debounce.default)(_this.updateSpinning, delay);
      }
    };

    _this.documentBody = function () {
      return document.body;
    };

    _this.renderIndicator = function () {
      var _this$props = _this.props,
          indicator = _this$props.indicator,
          size = _this$props.size,
          prefixCls = _this$props.prefixCls;
      var dotClassName = "".concat(prefixCls, "__svg");
      var hash = {
        lg: 'lg',
        md: 'md'
      };

      var ele = _react.default.createElement(_activityIndicator.default, {
        size: hash[size || 'md'],
        className: dotClassName
      });

      if (_react.default.isValidElement(indicator)) {
        return _react.default.cloneElement(indicator);
      }

      return ele;
    };

    _this.renderLoading = function () {
      var _classnames;

      var _this$props2 = _this.props,
          children = _this$props2.children,
          style = _this$props2.style,
          prefixCls = _this$props2.prefixCls,
          text = _this$props2.text,
          className = _this$props2.className,
          size = _this$props2.size,
          fullscreen = _this$props2.fullscreen;
      var visible = _this.state.visible;
      var cls = (0, _classnames2.default)(prefixCls, className, (_classnames = {}, _defineProperty(_classnames, "".concat(prefixCls, "--").concat(size), !!size), _defineProperty(_classnames, "".concat(prefixCls, "--fullscreen"), fullscreen), _defineProperty(_classnames, "".concat(prefixCls, "--active"), visible), _classnames));
      var textCls = size === 'xs' ? {
        display: 'inline'
      } : {};

      var loadingElement = visible && _react.default.createElement("div", {
        className: cls
      }, _this.renderIndicator(), text && _react.default.createElement("div", {
        className: "".concat(prefixCls, "__text"),
        style: textCls
      }, text));

      if (_this.isNestedPattern() || fullscreen) {
        var containerCls = (0, _classnames2.default)("".concat(prefixCls, "__container"));
        return _react.default.createElement("div", {
          className: cls,
          style: _this.getStyle()
        }, _react.default.createElement("div", {
          className: containerCls
        }, children), visible && _react.default.createElement("div", {
          className: "".concat(prefixCls, "__mask")
        }, _react.default.createElement("div", {
          className: "".concat(prefixCls, "__spin"),
          style: style
        }, _this.renderIndicator(), text && _react.default.createElement("div", {
          className: "".concat(prefixCls, "__text"),
          style: textCls
        }, text))));
      }

      return loadingElement;
    };

    var _visible = props.visible,
        _delay = props.delay;
    var shouldBeDelayed = shouldDelay(_visible, _delay);

    if (_delay) {
      _this.updateSpinning = (0, _debounce.default)(_this.updateSpinning, _delay);
    }

    _this.state = {
      visible: _visible && !shouldBeDelayed
    };
    return _this;
  }

  _createClass(Loading, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.updateSpinning();
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate() {
      // this.debouncifyUpdateSpinning();
      this.updateSpinning();
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this.enableScroll();
    }
  }, {
    key: "getStyle",
    value: function getStyle() {
      var fullscreen = this.props.fullscreen;

      if (fullscreen) {
        this.disableScroll();
      }

      this.enableScroll();
      return {};
    }
  }, {
    key: "disableScroll",
    value: function disableScroll() {
      var documentBody = this.documentBody();

      if (documentBody) {
        documentBody.style.setProperty('overflow', 'hidden');
      }
    }
  }, {
    key: "enableScroll",
    value: function enableScroll() {
      var documentBody = this.documentBody();

      if (documentBody) {
        documentBody.style.removeProperty('overflow');
      }
    }
  }, {
    key: "isNestedPattern",
    value: function isNestedPattern() {
      var children = this.props.children;
      return !!children;
    }
  }, {
    key: "render",
    value: function render() {
      return this.renderLoading();
    }
  }]);

  return Loading;
}(_react.Component);

Loading.displayName = 'Loading';
Loading.defaultProps = {
  prefixCls: 'zw-loading',
  visible: false,
  size: 'md'
};
var _default = Loading;
exports.default = _default;