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Direktori : /var/www/html/node_modules/next/dist/client/ |
Current File : /var/www/html/node_modules/next/dist/client/head-manager.js |
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = initHeadManager; exports.isEqualNode = isEqualNode; exports.DOMAttributeNames = void 0; 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] || []); }); } }; } const DOMAttributeNames = { acceptCharset: 'accept-charset', className: 'class', htmlFor: 'for', httpEquiv: 'http-equiv', noModule: 'noModule' }; exports.DOMAttributeNames = DOMAttributeNames; function reactElementToDOM({ type , props }) { 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); } function 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 ref; if ((j == null ? void 0 : (ref = j.tagName) == null ? void 0 : ref.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 ref; return (ref = t.parentNode) == null ? void 0 : ref.removeChild(t); }); newTags.forEach((t)=>headEl.insertBefore(t, headCountEl)); headCountEl.content = (headCount - oldTags.length + newTags.length).toString(); } 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