1 line
1.8 KiB
JavaScript
1 line
1.8 KiB
JavaScript
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var resourcesSuffix="";var currentTheme=document.getElementById("themeStyle");var mainTheme=document.getElementById("mainThemeStyle");var savedHref=[];function hasClass(elem,className){return elem&&elem.classList&&elem.classList.contains(className);}function addClass(elem,className){if(!elem||!elem.classList){return;}elem.classList.add(className);}function removeClass(elem,className){if(!elem||!elem.classList){return;}elem.classList.remove(className);}function isHidden(elem){return elem.offsetParent===null;}function onEach(arr,func,reversed){if(arr&&arr.length>0&&func){var length=arr.length;if(reversed!==true){for(var i=0;i<length;++i){if(func(arr[i])===true){return true;}}}else{for(var i=length-1;i>=0;--i){if(func(arr[i])===true){return true;}}}}return false;}function onEachLazy(lazyArray,func,reversed){return onEach(Array.prototype.slice.call(lazyArray),func,reversed);}function usableLocalStorage(){if(typeof(Storage)==="undefined"){return false;}try{window.localStorage;}catch(err){return false;}return true;}function updateLocalStorage(name,value){if(usableLocalStorage()){localStorage[name]=value;}else{}}function getCurrentValue(name){if(usableLocalStorage()&&localStorage[name]!==undefined){return localStorage[name];}return null;}function switchTheme(styleElem,mainStyleElem,newTheme){var fullBasicCss="rustdoc"+resourcesSuffix+".css";var fullNewTheme=newTheme+resourcesSuffix+".css";var newHref=mainStyleElem.href.replace(fullBasicCss,fullNewTheme);if(styleElem.href===newHref){return;}var found=false;if(savedHref.length===0){onEachLazy(document.getElementsByTagName("link"),function(el){savedHref.push(el.href);});}onEach(savedHref,function(el){if(el===newHref){found=true;return true;}});if(found===true){styleElem.href=newHref;updateLocalStorage("rustdoc-theme",newTheme);}}switchTheme(currentTheme,mainTheme,getCurrentValue("rustdoc-theme")||"light");
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