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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
function addAttrs (element, attrs) {
Object.keys(attrs).forEach(function (key) {
element.setAttribute(key, attrs[key]);
});
}
module.exports = function addStyleUrl (url, options) {
if (typeof DEBUG !== "undefined" && DEBUG) {
if (typeof document !== "object") throw new Error("The style-loader cannot be used in a non-browser environment");
}
options = options || {};
options.attrs = typeof options.attrs === "object" ? options.attrs : {};
options.hmr = typeof options.hmr === 'undefined' ? true : options.hmr;
var link = document.createElement("link");
link.rel = "stylesheet";
link.type = "text/css";
link.href = url;
addAttrs(link, options.attrs);
var head = document.getElementsByTagName("head")[0];
head.appendChild(link);
if (options.hmr && module.hot) {
return function(url) {
if(typeof url === "string") {
link.href = url;
} else {
head.removeChild(link);
}
};
}
}
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