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forgejo/public/js/libs/cssrelpreload.min.js
Sondre Nilsen 24859fe5b6 Fix FOUC on Firefox (#1728)
Firefox users will experience a flash of unstyled content on loading
various pages, this patch will fix this issue using Filament Groups
loadCSS library to asynchronously load the CSS responsible for the FOUC.

Will fix #1698.

Signed-off-by: Sondre Nilsen <nilsen.sondre@gmail.com>
2017-05-31 09:05:49 +08:00

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JavaScript

/*! loadCSS rel=preload polyfill. [c]2017 Filament Group, Inc. MIT License */
!function(a){if(a.loadCSS){var b=loadCSS.relpreload={};if(b.support=function(){try{return a.document.createElement("link").relList.supports("preload")}catch(b){return!1}},b.poly=function(){for(var b=a.document.getElementsByTagName("link"),c=0;c<b.length;c++){var d=b[c];"preload"===d.rel&&"style"===d.getAttribute("as")&&(a.loadCSS(d.href,d,d.getAttribute("media")),d.rel=null)}},!b.support()){b.poly();var c=a.setInterval(b.poly,300);a.addEventListener&&a.addEventListener("load",function(){b.poly(),a.clearInterval(c)}),a.attachEvent&&a.attachEvent("onload",function(){a.clearInterval(c)})}}}(this);