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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _xeUtils = _interopRequireDefault(require("xe-utils/methods/xe-utils"));
var _conf = _interopRequireDefault(require("../../conf"));
var _dom = _interopRequireDefault(require("../../tools/src/dom"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: 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; }
/**
* 监听 resize 事件
* 如果项目中已使用了 resize-observer-polyfill，那么只需要将方法定义全局，该组件就会自动使用
*/
var resizeTimeout;
var eventStore = [];
var defaultInterval = 250;
var ResizeObserverPolyfill =
/*#__PURE__*/
function () {
function ResizeObserverPolyfill(callback) {
_classCallCheck(this, ResizeObserverPolyfill);
this.tarList = [];
this.callback = callback;
}
_createClass(ResizeObserverPolyfill, [{
key: "observe",
value: function observe(target) {
var _this = this;
if (target) {
if (this.tarList.indexOf(target) === -1) {
this.tarList.push({
target: target,
width: target.clientWidth,
heighe: target.clientHeight
});
}
if (!eventStore.length) {
eventListener();
}
if (!eventStore.some(function (item) {
return item === _this;
})) {
eventStore.push(this);
}
}
}
}, {
key: "unobserve",
value: function unobserve(target) {
_xeUtils.default.remove(eventStore, function (item) {
return item.tarList.indexOf(target) > -1;
});
}
}, {
key: "disconnect",
value: function disconnect() {
var _this2 = this;
_xeUtils.default.remove(eventStore, function (item) {
return item === _this2;
});
}
}]);
return ResizeObserverPolyfill;
}();
var Resize = _dom.default.browse.isDoc ? window.ResizeObserver || ResizeObserverPolyfill : ResizeObserverPolyfill;
function eventListener() {
clearTimeout(resizeTimeout);
resizeTimeout = setTimeout(eventHandle, _conf.default.resizeInterval || defaultInterval);
}
function eventHandle() {
if (eventStore.length) {
eventStore.forEach(function (item) {
item.tarList.forEach(function (observer) {
var target = observer.target,
width = observer.width,
heighe = observer.heighe;
var clientWidth = target.clientWidth;
var clientHeight = target.clientHeight;
var rWidth = clientWidth && width !== clientWidth;
var rHeight = clientHeight && heighe !== clientHeight;
if (rWidth || rHeight) {
observer.width = clientWidth;
observer.heighe = clientHeight;
requestAnimationFrame(item.callback);
}
});
});
eventListener();
}
}
var _default = Resize;
exports.default = _default;