5 lines
1.1 KiB
JavaScript
5 lines
1.1 KiB
JavaScript
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'use strict';(function(){(function(){function e(a){for(var b=[];a=a.parentNode||a.host||a.defaultView;)b.push(a);return b}function f(a){return function(b){var c="undefined"!==typeof b.getAttribute?b.getAttribute("class")||"":void 0;"undefined"!==typeof c&&-1===c.indexOf(a)&&b.setAttribute("class",c.concat(" ",a).trim())}}function g(a){return function(b){var c="undefined"!==typeof b.getAttribute?b.getAttribute("class")||"":void 0;if(c){var d=c.indexOf(a);0<=d&&(0===d||0<=h.indexOf(c.charAt(d-1)))&&
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(c=c.replace(a,"").trim(),""===c?b.removeAttribute("class"):b.setAttribute("class",c))}}}function k(){var a=function(b){function a(){d=!1;"blur"===b.type&&Array.prototype.slice.call(e(b.target)).forEach(g("focus-within"));"focus"===b.type&&Array.prototype.slice.call(e(b.target)).forEach(f("focus-within"))}if(!d){window.requestAnimationFrame(a);var d=!0}};document.addEventListener("focus",a,!0);document.addEventListener("blur",a,!0);f("js-focus-within")(document.body);return!0}var h=["\n","\t"," ",
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"\r"];try{return"undefined"!==typeof window&&!document.querySelector(":focus-within")}catch(a){return k()}})()})()
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//# sourceMappingURL=focus-within-polyfill.js.map
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