2 lines
8.5 KiB
JavaScript
2 lines
8.5 KiB
JavaScript
var t="undefined"!=typeof window&&"undefined"!=typeof document&&window.document===document,e="undefined"!=typeof global&&global.Math===Math?global:"undefined"!=typeof self&&self.Math===Math?self:"undefined"!=typeof window&&window.Math===Math?window:Function("return this")(),n=function(){if("function"==typeof requestAnimationFrame)return requestAnimationFrame.bind(e);return function(t){return setTimeout((function(){t(+Date.now())}),1e3/60)}}();var r=["top","right","bottom","left","width","height","size","weight"],i="undefined"!=typeof MutationObserver,o=t&&HTMLElement.prototype.attachShadow&&-1!==HTMLElement.prototype.attachShadow.toString().indexOf("[native code]")?HTMLElement.prototype.attachShadow:null,s=function(){function e(){this.connected_=!1,this.mutationEventsAdded_=!1,this.mutationsObserver_=null,this.observers_=[],this.onTransitionEnd_=this.onTransitionEnd_.bind(this),this.refresh=function(t,e){var r=!1,i=!1,o=0;function s(){r&&(r=!1,t()),i&&c()}function a(){n(s)}function c(){var t=Date.now();if(r){if(t-o<2)return;i=!0}else r=!0,i=!1,setTimeout(a,e);o=t}return c}(this.refresh.bind(this),20)}return e.prototype.addObserver=function(t){~this.observers_.indexOf(t)||this.observers_.push(t),this.connected_||this.connect_()},e.prototype.removeObserver=function(t){var e=this.observers_,n=e.indexOf(t);~n&&e.splice(n,1),!e.length&&this.connected_&&this.disconnect_()},e.prototype.refresh=function(){this.updateObservers_()&&this.refresh()},e.prototype.updateObservers_=function(){var t=this.observers_.filter((function(t){return t.gatherActive(),t.hasActive()}));return t.forEach((function(t){return t.broadcastActive()})),t.length>0},e.prototype.connect_=function(){if(t&&!this.connected_){if(document.addEventListener("transitionend",this.onTransitionEnd_),window.addEventListener("resize",this.refresh),i){this.mutationsObserver_=new MutationObserver(this.refresh);var e={attributes:!0,childList:!0,characterData:!0,subtree:!0};if(this.mutationsObserver_.observe(document,e),o){var n=this;!function t(r){var i=r.shadowRoot;i&&(n.mutationsObserver_.observe(i,e),t(i));for(var o=r.firstElementChild;o;)t(o),o=o.nextElementSibling}(document),HTMLElement.prototype.attachShadow=function(){for(var t=[],r=0;r<arguments.length;r++)t[r]=arguments[r];var i=o.apply(this,t);return n.mutationsObserver_.observe(i,e),i}}}else document.addEventListener("DOMSubtreeModified",this.refresh),this.mutationEventsAdded_=!0;this.connected_=!0}},e.prototype.disconnect_=function(){t&&this.connected_&&(document.removeEventListener("transitionend",this.onTransitionEnd_),window.removeEventListener("resize",this.refresh),this.mutationsObserver_&&(this.mutationsObserver_.disconnect(),o&&(HTMLElement.prototype.attachShadow=o)),this.mutationEventsAdded_&&document.removeEventListener("DOMSubtreeModified",this.refresh),this.mutationsObserver_=null,this.mutationEventsAdded_=!1,this.connected_=!1)},e.prototype.onTransitionEnd_=function(t){var e=t.propertyName,n=void 0===e?"":e;r.some((function(t){return!!~n.indexOf(t)}))&&this.refresh()},e.getInstance=function(){return e.instance_||(e.instance_=new e),e.instance_},e.instance_=null,e}();function a(t){var e="function"==typeof Symbol&&t[Symbol.iterator],n=0;return e?e.call(t):{next:function(){return t&&n>=t.length&&(t=void 0),{value:t&&t[n++],done:!t}}}}var c=function(t,e){var n,r;try{for(var i=a(Object.keys(e)),o=i.next();!o.done;o=i.next()){var s=o.value;Object.defineProperty(t,s,{value:e[s],enumerable:!1,writable:!1,configurable:!0})}}catch(t){n={error:t}}finally{try{o&&!o.done&&(r=i.return)&&r.call(i)}finally{if(n)throw n.error}}return t},h=function(t){var n;return(null===(n=null==t?void 0:t.ownerDocument)||void 0===n?void 0:n.defaultView)||e},u=_(0,0,0,0);function f(t){return"number"==typeof t?t:parseFloat(t)||0}function d(t){for(var e=[],n=1;n<arguments.length;n++)e[n-1]=arguments[n];return e.reduce((function(e,n){return e+f(t["border-"+n+"-width"])}),0)}function l(t){var e=t.clientWidth,n=t.clientHeight;if(!e&&!n)return u;var r=h(t).getComputedStyle(t),i=function(t){var e=t;return{top:f(e["padding-top"]),right:f(e["padding-right"]),bottom:f(e["padding-bottom"]),left:f(e["padding-left"])}}(r),o=i.left+i.right,s=i.top+i.bottom,a=f(r.width),c=f(r.height);if("border-box"===r.boxSizing&&(Math.round(a+o)!==e&&(a-=d(r,"left","right")+o),Math.round(c+s)!==n&&(c-=d(r,"top","bottom")+s)),!function(t){return t===h(t).document.documentElement}(t)){var l=Math.round(a+o)-e,v=Math.round(c+s)-n;1!==Math.abs(l)&&(a-=l),1!==Math.abs(v)&&(c-=v)}return _(i.left,i.top,a,c)}var v="undefined"!=typeof SVGGraphicsElement?function(t){return t instanceof h(t).SVGGraphicsElement}:function(t){return t instanceof h(t).SVGElement&&"function"==typeof t.getBBox};function p(e){return t?v(e)?function(t){var e=t.getBBox();return _(0,0,e.width,e.height)}(e):l(e):u}function _(t,e,n,r){return{x:t,y:e,width:n,height:r}}var b=function(){function t(t){this.broadcastWidth=0,this.broadcastHeight=0,this.contentRect_=_(0,0,0,0),this.target=t}return t.prototype.isActive=function(){var t=p(this.target);return this.contentRect_=t,t.width!==this.broadcastWidth||t.height!==this.broadcastHeight},t.prototype.broadcastRect=function(){var t=this.contentRect_;return this.broadcastWidth=t.width,this.broadcastHeight=t.height,t},t}(),y=function(t,e){var n,r,i,o,s,a,h,u=(r=(n=e).x,i=n.y,o=n.width,s=n.height,a="undefined"!=typeof DOMRectReadOnly?DOMRectReadOnly:Object,h=Object.create(a.prototype),c(h,{x:r,y:i,width:o,height:s,top:i,right:r+o,bottom:s+i,left:r}),h);c(this,{target:t,contentRect:u})},m=function(){if("undefined"!=typeof Map)return Map;function t(t,e){var n=-1;return t.some((function(t,r){return t[0]===e&&(n=r,!0)})),n}return function(){function e(){this.__entries__=[]}return Object.defineProperty(e.prototype,"size",{get:function(){return this.__entries__.length},enumerable:!0,configurable:!0}),e.prototype.get=function(e){var n,r=t(this.__entries__,e);return null===(n=this.__entries__[r])||void 0===n?void 0:n[1]},e.prototype.set=function(e,n){var r=t(this.__entries__,e);~r?this.__entries__[r][1]=n:this.__entries__.push([e,n])},e.prototype.delete=function(e){var n=this.__entries__,r=t(n,e);~r&&n.splice(r,1)},e.prototype.has=function(e){return!!~t(this.__entries__,e)},e.prototype.clear=function(){this.__entries__.splice(0)},e.prototype.forEach=function(t,e){var n,r;void 0===e&&(e=null);try{for(var i=a(this.__entries__),o=i.next();!o.done;o=i.next()){var s=o.value;t.call(e,s[1],s[0])}}catch(t){n={error:t}}finally{try{o&&!o.done&&(r=i.return)&&r.call(i)}finally{if(n)throw n.error}}},e}()}(),w=function(){function t(t,e,n){if(this.activeObservations_=[],this.observations_=new m,"function"!=typeof t)throw new TypeError("The callback provided as parameter 1 is not a function.");this.callback_=t,this.controller_=e,this.callbackCtx_=n}return t.prototype.observe=function(t){if(void 0===t)throw new TypeError("1 argument required, but only 0 present.");if("undefined"!=typeof Element&&Element instanceof Object){if(!(t instanceof h(t).Element))throw new TypeError('parameter 1 is not of type "Element".');var e=this.observations_;e.has(t)||(e.set(t,new b(t)),this.controller_.addObserver(this),this.controller_.refresh())}},t.prototype.unobserve=function(t){if(void 0===t)throw new TypeError("1 argument required, but only 0 present.");if("undefined"!=typeof Element&&Element instanceof Object){if(!(t instanceof h(t).Element))throw new TypeError('parameter 1 is not of type "Element".');var e=this.observations_;e.has(t)&&(e.delete(t),e.size||this.controller_.removeObserver(this))}},t.prototype.disconnect=function(){this.clearActive(),this.observations_.clear(),this.controller_.removeObserver(this)},t.prototype.gatherActive=function(){var t=this;this.clearActive(),this.observations_.forEach((function(e){e.isActive()&&t.activeObservations_.push(e)}))},t.prototype.broadcastActive=function(){if(this.hasActive()){var t=this.callbackCtx_,e=this.activeObservations_.map((function(t){return new y(t.target,t.broadcastRect())}));this.callback_.call(t,e,t),this.clearActive()}},t.prototype.clearActive=function(){this.activeObservations_.splice(0)},t.prototype.hasActive=function(){return this.activeObservations_.length>0},t}(),g=function(){function t(e){if(!(this instanceof t))throw new TypeError("Cannot call a class as a function.");if(!arguments.length)throw new TypeError("1 argument required, but only 0 present.");var n=s.getInstance();this.observer_=new w(e,n,this)}return t.prototype.observe=function(t){this.observer_.observe(t)},t.prototype.unobserve=function(t){this.observer_.unobserve(t)},t.prototype.disconnect=function(){this.observer_.disconnect()},t}(),E=void 0!==e.ResizeObserver?e.ResizeObserver:g;export{E as default};
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