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天文台pc/tianwentai-ui/node_modules/react-smooth/lib/AnimateManager.js 2.95 KB
bc518174   王天杨   提交两个项目文件
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  "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = createAnimateManager;
  var _setRafTimeout = _interopRequireDefault(require("./setRafTimeout"));
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
  function _toArray(arr) { return _arrayWithHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableRest(); }
  function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
  function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
  function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
  function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
  function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
  function createAnimateManager() {
    var currStyle = {};
    var handleChange = function handleChange() {
      return null;
    };
    var shouldStop = false;
    var setStyle = function setStyle(_style) {
      if (shouldStop) {
        return;
      }
      if (Array.isArray(_style)) {
        if (!_style.length) {
          return;
        }
        var styles = _style;
        var _styles = _toArray(styles),
          curr = _styles[0],
          restStyles = _styles.slice(1);
        if (typeof curr === 'number') {
          (0, _setRafTimeout.default)(setStyle.bind(null, restStyles), curr);
          return;
        }
        setStyle(curr);
        (0, _setRafTimeout.default)(setStyle.bind(null, restStyles));
        return;
      }
      if (_typeof(_style) === 'object') {
        currStyle = _style;
        handleChange(currStyle);
      }
      if (typeof _style === 'function') {
        _style();
      }
    };
    return {
      stop: function stop() {
        shouldStop = true;
      },
      start: function start(style) {
        shouldStop = false;
        setStyle(style);
      },
      subscribe: function subscribe(_handleChange) {
        handleChange = _handleChange;
        return function () {
          handleChange = function handleChange() {
            return null;
          };
        };
      }
    };
  }