205 lines
7.9 KiB
JavaScript
205 lines
7.9 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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DOMAttributeNames: null,
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isEqualNode: null,
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default: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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DOMAttributeNames: function() {
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return DOMAttributeNames;
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},
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isEqualNode: function() {
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return isEqualNode;
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},
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default: function() {
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return initHeadManager;
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}
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});
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const DOMAttributeNames = {
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acceptCharset: "accept-charset",
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className: "class",
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htmlFor: "for",
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httpEquiv: "http-equiv",
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noModule: "noModule"
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};
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function reactElementToDOM(param) {
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let { type, props } = param;
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const el = document.createElement(type);
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for(const p in props){
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if (!props.hasOwnProperty(p)) continue;
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if (p === "children" || p === "dangerouslySetInnerHTML") continue;
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// we don't render undefined props to the DOM
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if (props[p] === undefined) continue;
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const attr = DOMAttributeNames[p] || p.toLowerCase();
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if (type === "script" && (attr === "async" || attr === "defer" || attr === "noModule")) {
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el[attr] = !!props[p];
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} else {
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el.setAttribute(attr, props[p]);
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}
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}
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const { children, dangerouslySetInnerHTML } = props;
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if (dangerouslySetInnerHTML) {
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el.innerHTML = dangerouslySetInnerHTML.__html || "";
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} else if (children) {
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el.textContent = typeof children === "string" ? children : Array.isArray(children) ? children.join("") : "";
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}
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return el;
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}
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function isEqualNode(oldTag, newTag) {
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if (oldTag instanceof HTMLElement && newTag instanceof HTMLElement) {
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const nonce = newTag.getAttribute("nonce");
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// Only strip the nonce if `oldTag` has had it stripped. An element's nonce attribute will not
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// be stripped if there is no content security policy response header that includes a nonce.
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if (nonce && !oldTag.getAttribute("nonce")) {
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const cloneTag = newTag.cloneNode(true);
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cloneTag.setAttribute("nonce", "");
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cloneTag.nonce = nonce;
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return nonce === oldTag.nonce && oldTag.isEqualNode(cloneTag);
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}
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}
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return oldTag.isEqualNode(newTag);
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}
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let updateElements;
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if (process.env.__NEXT_STRICT_NEXT_HEAD) {
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updateElements = (type, components)=>{
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const headEl = document.querySelector("head");
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if (!headEl) return;
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const headMetaTags = headEl.querySelectorAll('meta[name="next-head"]') || [];
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const oldTags = [];
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if (type === "meta") {
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const metaCharset = headEl.querySelector("meta[charset]");
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if (metaCharset) {
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oldTags.push(metaCharset);
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}
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}
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for(let i = 0; i < headMetaTags.length; i++){
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var _headTag_tagName;
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const metaTag = headMetaTags[i];
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const headTag = metaTag.nextSibling;
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if ((headTag == null ? void 0 : (_headTag_tagName = headTag.tagName) == null ? void 0 : _headTag_tagName.toLowerCase()) === type) {
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oldTags.push(headTag);
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}
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}
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const newTags = components.map(reactElementToDOM).filter((newTag)=>{
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for(let k = 0, len = oldTags.length; k < len; k++){
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const oldTag = oldTags[k];
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if (isEqualNode(oldTag, newTag)) {
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oldTags.splice(k, 1);
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return false;
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}
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}
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return true;
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});
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oldTags.forEach((t)=>{
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var _t_parentNode;
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const metaTag = t.previousSibling;
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if (metaTag && metaTag.getAttribute("name") === "next-head") {
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var _t_parentNode1;
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(_t_parentNode1 = t.parentNode) == null ? void 0 : _t_parentNode1.removeChild(metaTag);
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}
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(_t_parentNode = t.parentNode) == null ? void 0 : _t_parentNode.removeChild(t);
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});
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newTags.forEach((t)=>{
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var _t_tagName;
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const meta = document.createElement("meta");
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meta.name = "next-head";
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meta.content = "1";
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// meta[charset] must be first element so special case
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if (!(((_t_tagName = t.tagName) == null ? void 0 : _t_tagName.toLowerCase()) === "meta" && t.getAttribute("charset"))) {
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headEl.appendChild(meta);
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}
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headEl.appendChild(t);
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});
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};
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} else {
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updateElements = (type, components)=>{
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const headEl = document.getElementsByTagName("head")[0];
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const headCountEl = headEl.querySelector("meta[name=next-head-count]");
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if (process.env.NODE_ENV !== "production") {
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if (!headCountEl) {
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console.error("Warning: next-head-count is missing. https://nextjs.org/docs/messages/next-head-count-missing");
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return;
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}
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}
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const headCount = Number(headCountEl.content);
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const oldTags = [];
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for(let i = 0, j = headCountEl.previousElementSibling; i < headCount; i++, j = (j == null ? void 0 : j.previousElementSibling) || null){
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var _j_tagName;
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if ((j == null ? void 0 : (_j_tagName = j.tagName) == null ? void 0 : _j_tagName.toLowerCase()) === type) {
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oldTags.push(j);
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}
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}
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const newTags = components.map(reactElementToDOM).filter((newTag)=>{
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for(let k = 0, len = oldTags.length; k < len; k++){
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const oldTag = oldTags[k];
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if (isEqualNode(oldTag, newTag)) {
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oldTags.splice(k, 1);
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return false;
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}
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}
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return true;
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});
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oldTags.forEach((t)=>{
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var _t_parentNode;
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return (_t_parentNode = t.parentNode) == null ? void 0 : _t_parentNode.removeChild(t);
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});
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newTags.forEach((t)=>headEl.insertBefore(t, headCountEl));
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headCountEl.content = (headCount - oldTags.length + newTags.length).toString();
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};
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}
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function initHeadManager() {
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return {
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mountedInstances: new Set(),
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updateHead: (head)=>{
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const tags = {};
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head.forEach((h)=>{
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if (// If the font tag is loaded only on client navigation
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// it won't be inlined. In this case revert to the original behavior
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h.type === "link" && h.props["data-optimized-fonts"]) {
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if (document.querySelector('style[data-href="' + h.props["data-href"] + '"]')) {
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return;
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} else {
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h.props.href = h.props["data-href"];
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h.props["data-href"] = undefined;
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}
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}
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const components = tags[h.type] || [];
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components.push(h);
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tags[h.type] = components;
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});
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const titleComponent = tags.title ? tags.title[0] : null;
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let title = "";
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if (titleComponent) {
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const { children } = titleComponent.props;
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title = typeof children === "string" ? children : Array.isArray(children) ? children.join("") : "";
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}
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if (title !== document.title) document.title = title;
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[
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"meta",
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"base",
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"link",
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"style",
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"script"
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].forEach((type)=>{
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updateElements(type, tags[type] || []);
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});
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}
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};
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}
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if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
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Object.defineProperty(exports.default, '__esModule', { value: true });
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Object.assign(exports.default, exports);
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module.exports = exports.default;
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}
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//# sourceMappingURL=head-manager.js.map
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