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