} else if (typeof options.insertAt === "object" && options.insertAt.before) {
var nextSibling = getElement(options.insertAt.before, target);
target.insertBefore(style, nextSibling);
} else {
throw new Error("[Style Loader]\n\n Invalid value for parameter 'insertAt' ('options.insertAt') found.\n Must be 'top', 'bottom', or Object.\n (https://github.com/webpack-contrib/style-loader#insertat)\n");
}
}
function removeStyleElement (style) {
if (style.parentNode === null) return false;
style.parentNode.removeChild(style);
var idx = stylesInsertedAtTop.indexOf(style);
if(idx >= 0) {
stylesInsertedAtTop.splice(idx, 1);
}
}
function createStyleElement (options) {
var style = document.createElement("style");
if(options.attrs.type === undefined) {
options.attrs.type = "text/css";
}
if(options.attrs.nonce === undefined) {
var nonce = getNonce();
if (nonce) {
options.attrs.nonce = nonce;
}
}
addAttrs(style, options.attrs);
insertStyleElement(options, style);
return style;
}
function createLinkElement (options) {
var link = document.createElement("link");
if(options.attrs.type === undefined) {
options.attrs.type = "text/css";
}
options.attrs.rel = "stylesheet";
addAttrs(link, options.attrs);
insertStyleElement(options, link);
return link;
}
function addAttrs (el, attrs) {
Object.keys(attrs).forEach(function (key) {
el.setAttribute(key, attrs[key]);
});
}
function getNonce() {
if (false) {}
return __webpack_require__.nc;
}
function addStyle (obj, options) {
var style, update, remove, result;
// If a transform function was defined, run it on the css
if (options.transform && obj.css) {
result = typeof options.transform === 'function'
? options.transform(obj.css)
: options.transform.default(obj.css);
if (result) {
// If transform returns a value, use that instead of the original css.
// This allows running runtime transformations on the css.
obj.css = result;
} else {
// If the transform function returns a falsy value, don't add this css.