{"id":145744,"date":"2025-10-19T11:11:55","date_gmt":"2025-10-19T09:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovana-platforma-node-js-25-0-0"},"modified":"2025-10-19T11:11:55","modified_gmt":"2025-10-19T09:11:55","slug":"opublikovana-platforma-node-js-25-0-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/opublikovana-platforma-node-js-25-0-0","title":{"rendered":"Byla vyd\u00e1na platforma Node.js 25.0.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl vyd\u00e1n Node.js 25.0.0, platforma pro vykon\u00e1v\u00e1n\u00ed s\u00ed\u0165ov\u00fdch aplikac\u00ed napsan\u00fdch v JavaScriptu. Node.js 25.0 je za\u0159azen mezi meziv\u011btve, jejich\u017e podpora bude zaji\u0161\u0165ov\u00e1na po dobu 7 m\u011bs\u00edc\u016f (do \u010dervna 2026). V n\u00e1sleduj\u00edc\u00edch dnech bude dokon\u010dena stabilizace v\u011btve Node.js 24, kter\u00e1 na konci \u0159\u00edjna z\u00edsk\u00e1 status LTS a bude podporov\u00e1na do dubna 2028. Podpora p\u0159edchoz\u00edch LTS v\u011btv\u00ed Node.js 22.x a 20.x potrv\u00e1 do dubna 2027 a 2026.       <\/p>\n<p>Hlavn\u00ed vylep\u0161en\u00ed:   <\/p>\n<ul>\n<li class=\"l\"> Engin V8 byl aktualizov\u00e1n na verzi 14.1, pou\u017e\u00edvanou v Chromiu 141. Mezi vylep\u0161en\u00edmi oproti minul\u00e9mu vyd\u00e1n\u00ed Node.js bylo v\u00fdrazn\u00e9 zv\u00fd\u0161en\u00ed v\u00fdkonu metody JSON.stringify, optimalizace WebAssembly a JIT, implementace metod pro p\u0159evod mezi Uint8Array a daty ve form\u00e1tu base64 \u010di hexadecim\u00e1ln\u00edm zobrazen\u00ed.\n<li class=\"l\"> Do mechanism Permission Model, kter\u00fd umo\u017e\u0148uje omezit p\u0159\u00edstup k ur\u010dit\u00fdm zdroj\u016fm b\u011bhem prov\u00e1d\u011bn\u00ed, byla p\u0159id\u00e1na mo\u017enost &#171;&#8212;allow-net&#187; pro zaji\u0161t\u011bn\u00ed s\u00ed\u0165ov\u00e9ho p\u0159\u00edstupu (pokud nen\u00ed uvedena mo\u017enost &#171;&#8212;allow-net&#187;, spu\u0161t\u011bn\u00ed Node.js v re\u017eimu &#171;&#8212;permission&#187; vyvol\u00e1 chybu ERR_ACCESS_DENIED p\u0159i pokusu o proveden\u00ed s\u00ed\u0165ov\u00fdch operac\u00ed).\n<li class=\"l\"> Je zapnuto ve v\u00fdchoz\u00edm nastaven\u00ed <a href=\"https:\/\/prohoster.info\/cs\/ssl-sertifikat\/rapidssl-wildcard\/\"  data-wpil-monitor-id=\"3320\">kompatibiln\u00ed s prohl\u00ed\u017ee\u010di<\/a> API Web Storage, ur\u010den\u00e9 pro trval\u00e9 (t\u0159\u00edda localStorage) nebo do\u010dasn\u00e9 (t\u0159\u00edda sessionStorage) uchov\u00e1v\u00e1n\u00ed dat ve form\u00e1tu kl\u00ed\u010d\/hodnota. Z API Web Storage byla odstran\u011bna zna\u010dka experiment\u00e1ln\u00edho v\u00fdvoje.\n<li class=\"l\"> T\u0159\u00edda ErrorEvent byla p\u0159evedena do kategorie glob\u00e1ln\u011b dostupn\u00fdch (lze pou\u017e\u00edvat bez explicitn\u00edho importu), poskytuj\u00edc\u00ed prohl\u00ed\u017ee\u010di kompatibiln\u00ed rozhran\u00ed pro zpracov\u00e1n\u00ed ud\u00e1lost\u00ed s informacemi o chyb\u00e1ch.\n<li class=\"l\"> Pro WebAssembly byla p\u0159id\u00e1na podpora API JSPI (JavaScript Promise Integration), kter\u00e9 umo\u017e\u0148uje p\u0159\u00edstup k asynchronn\u00edm Web API z sekven\u010dn\u011b vykon\u00e1van\u00e9ho k\u00f3du, kompilovan\u00e9ho do WebAssembly.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost &#171;NODE_COMPILE_CACHE_RELATIVE_PATH&#187; pro p\u0159enosnou pr\u00e1ci s cache zkompilovan\u00fdch objekt\u016f. V tomto re\u017eimu jsou hashov\u00e9 hodnoty pro identifikaci objekt\u016f po\u010d\u00edt\u00e1ny pomoc\u00ed relativn\u00edch cest k soubor\u016fm, co\u017e umo\u017e\u0148uje p\u0159esunovat a integrovat obsah slo\u017eky s k\u00f3dem spole\u010dn\u011b s cache.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost profilov\u00e1n\u00ed zat\u00ed\u017een\u00ed CPU.\n<li class=\"l\"> Spr\u00e1vce bal\u00ed\u010dk\u016f NPM byl aktualizov\u00e1n na verzi 11.6.2.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora Pythonu 3.14.\n<li class=\"l\"> Za minim\u00e1ln\u011b podporovan\u00e9 verze byly uvedeny Clang 19 a Xcode 16.4.\n<li class=\"l\"> Podpora objektu SlowBuffer byla ukon\u010dena, nebo\u0165 byla d\u0159\u00edve ozna\u010dena jako zastaral\u00e1 z d\u016fvodu potenci\u00e1ln\u00edch bezpe\u010dnostn\u00edch probl\u00e9m\u016f. M\u00edsto SlowBuffer by se m\u011bla pou\u017e\u00edvat metoda Buffer.allocUnsafeSlow().        <\/ul>\n<p>Platforma Node.js m\u016f\u017ee b\u00fdt vyu\u017eita jak pro serverov\u00e9 zaji\u0161t\u011bn\u00ed chodu webov\u00fdch aplikac\u00ed, tak pro vytv\u00e1\u0159en\u00ed oby\u010dejn\u00fdch klientsk\u00fdch a serverov\u00fdch s\u00ed\u0165ov\u00fdch program\u016f. Pro roz\u0161\u00ed\u0159en\u00ed funkcionality aplikac\u00ed pro Node.js je k dispozici rozs\u00e1hl\u00e1 sb\u00edrka modul\u016f, ve kter\u00e9 lze nal\u00e9zt moduly s realizacemi  <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/\"   title=\"servery\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1792\">servery<\/a> a klient\u016f HTTP, SMTP, XMPP, DNS, FTP, IMAP, POP3, moduly pro integraci s r\u016fzn\u00fdmi webov\u00fdmi frameworky, zpracovatele WebSocket a Ajax, konektory k datab\u00e1z\u00edm (MySQL, PostgreSQL, SQLite, MongoDB), \u0161ablonovac\u00ed enginy, CSS frameworky, implementace kryptografick\u00fdch algoritm\u016f a syst\u00e9m\u016f autorizace (OAuth), XML parsery.    <\/p>\n<p> Pro zpracov\u00e1n\u00ed velk\u00e9ho mno\u017estv\u00ed paraleln\u00edch po\u017eadavk\u016f vyu\u017e\u00edv\u00e1 Node.js asynchronn\u00ed model spou\u0161t\u011bn\u00ed k\u00f3du, kter\u00fd je zalo\u017een na zpracov\u00e1n\u00ed ud\u00e1lost\u00ed v neblokuj\u00edc\u00edm re\u017eimu a ur\u010den\u00ed callback zpracovatel\u016f. Jako metody multiplexerov\u00e1n\u00ed spojen\u00ed jsou podporov\u00e1ny takov\u00e9 metody jako epoll, kqueue, \/dev\/poll a select. K multiplexerov\u00e1n\u00ed spojen\u00ed se pou\u017e\u00edv\u00e1 knihovna libuv, kter\u00e1 je nadstavbou nad libev v syst\u00e9mech Unix a nad IOCP ve Windows. Pro vytvo\u0159en\u00ed vl\u00e1knov\u00e9ho poolu (thread pool) se vyu\u017e\u00edv\u00e1 knihovna libeio, pro prov\u00e1d\u011bn\u00ed DNS dotaz\u016f v neblokuj\u00edc\u00edm re\u017eimu je integrov\u00e1n c-ares. V\u0161echny syst\u00e9mov\u00e9 vol\u00e1n\u00ed, kter\u00e1 zp\u016fsobuj\u00ed blokaci, jsou prov\u00e1d\u011bna uvnit\u0159 vl\u00e1knov\u00e9ho poolu a pot\u00e9, jako\u017e i zpracovatel\u00e9 sign\u00e1l\u016f, p\u0159ed\u00e1vaj\u00ed v\u00fdsledky sv\u00e9 pr\u00e1ce zp\u011bt prost\u0159ednictv\u00edm anonymn\u00edho kan\u00e1lu (pipe).     <\/p>\n<p>Prov\u00e1d\u011bn\u00ed JavaScriptov\u00e9ho k\u00f3du je zaji\u0161t\u011bno prost\u0159ednictv\u00edm vyu\u017eit\u00ed motoru V8 vyvinut\u00e9ho spole\u010dnost\u00ed Google (dodate\u010dn\u011b Microsoft vyv\u00edj\u00ed variantu Node.js s motorem Chakra-Core). V podstat\u011b je Node.js podobn\u00fd r\u00e1mc\u016fm Perl AnyEvent, Ruby Event Machine, Python Twisted a implementaci ud\u00e1lost\u00ed v Tcl, ale cyklus zpracov\u00e1n\u00ed ud\u00e1lost\u00ed (event loop) v Node.js je skryt\u00fd p\u0159ed v\u00fdvoj\u00e1\u0159em a p\u0159ipom\u00edn\u00e1 zpracov\u00e1n\u00ed ud\u00e1lost\u00ed ve webov\u00e9 aplikaci b\u011b\u017e\u00edc\u00ed v prohl\u00ed\u017ee\u010di.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64077\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 Node.js 25.0.0, \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 JavaScript. Node.js 25.0 \u043e\u0442\u043d\u0435\u0441\u0451\u043d \u043a \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u043c \u0432\u0435\u0442\u043a\u0430\u043c, \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0442\u0435\u0447\u0435\u043d\u0438\u0435 7 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 (\u0434\u043e \u0438\u044e\u043d\u044f 2026 \u0433\u043e\u0434\u0430). \u0412 \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0438\u0435 \u0434\u043d\u0438 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0430 \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0432\u0435\u0442\u043a\u0438 Node.js 24, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0432 \u043a\u043e\u043d\u0446\u0435 \u043e\u043a\u0442\u044f\u0431\u0440\u044f \u043f\u043e\u043b\u0443\u0447\u0438\u0442 \u0441\u0442\u0430\u0442\u0443\u0441 LTS \u0438 \u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043e \u0430\u043f\u0440\u0435\u043b\u044f 2028 \u0433\u043e\u0434\u0430. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0440\u043e\u0448\u043b\u044b\u0445 LTS-\u0432\u0435\u0442\u043e\u043a [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-145744","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f 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