{"id":124520,"date":"2025-05-06T21:05:17","date_gmt":"2025-05-06T19:05:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovana-platforma-node-js-24-0-0"},"modified":"2025-05-06T21:05:17","modified_gmt":"2025-05-06T19:05:17","slug":"opublikovana-platforma-node-js-24-0-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/opublikovana-platforma-node-js-24-0-0","title":{"rendered":"Byla vyd\u00e1na platforma Node.js 24.0.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl vyd\u00e1n Node.js 24.0.0, platforma pro b\u011bh s\u00ed\u0165ov\u00fdch aplikac\u00ed v jazyce JavaScript. Node.js 24.0 je za\u0159azen mezi verze s dlouhou podporou, ale tento status bude p\u0159id\u011blen a\u017e v \u0159\u00edjnu po stabilizaci. Podpora Node.js 24.x bude zaji\u0161\u0165ov\u00e1na do 30. dubna 2028. Podpora p\u0159edchoz\u00ed LTS verze Node.js 22.x potrv\u00e1 do dubna 2027, a p\u0159edchoz\u00ed LTS verze 20.x do dubna 2026. Podpora LTS verze 18.x byla ukon\u010dena 30. dubna 2025, zat\u00edmco podpora mezi\u010dasu Node.js 23.x bude ukon\u010dena 1. \u010dervna 2025.      <\/p>\n<p>Hlavn\u00ed vylep\u0161en\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> V API AsyncLocalStorage je ve v\u00fdchoz\u00edm nastaven\u00ed pou\u017eit t\u0159\u00edda AsyncContextFrame, kter\u00e1 je ozna\u010dena jako stabiln\u00ed. AsyncContextFrame implementuje efektivn\u011bj\u0161\u00ed mechanismus sledov\u00e1n\u00ed asynchronn\u00edho kontextu, co\u017e v\u00fdrazn\u011b zvy\u0161uje v\u00fdkon.\n<li class=\"l\"> API URLPattern je nyn\u00ed k dispozici jako glob\u00e1ln\u00ed objekt, kter\u00fd lze pou\u017e\u00edvat bez explicitn\u00edho importov\u00e1n\u00ed. URLPattern nab\u00edz\u00ed mo\u017enosti pro kontrolu shody URL s ur\u010ditou \u0161ablonou, co\u017e m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e9 nap\u0159\u00edklad pro anal\u00fdzu odkaz\u016f.\n<li class=\"l\">  Byl vylep\u0161en a stabilizov\u00e1n mechanismus modelu opr\u00e1vn\u011bn\u00ed, kter\u00fd umo\u017e\u0148uje omezit p\u0159\u00edstup k ur\u010dit\u00fdm zdroj\u016fm b\u011bhem prov\u00e1d\u011bn\u00ed (nap\u0159\u00edklad lze zak\u00e1zat vytv\u00e1\u0159en\u00ed pod\u0159\u00edzen\u00fdch proces\u016f, omezit p\u0159\u00edstup pro z\u00e1pis nebo \u010dten\u00ed k ur\u010dit\u00fdm \u010d\u00e1stem FS, vypnout dopl\u0148ky). M\u00edsto experiment\u00e1ln\u00edho p\u0159\u00edznaku &#171;&#8212;experimental-permission&#187; pro aktivaci modelu opr\u00e1vn\u011bn\u00ed lze nyn\u00ed pou\u017e\u00edt p\u0159\u00edznak &#171;&#8212;permission&#187;.\n<li class=\"l\"> Funkce modulu node:test (test_runner) byla roz\u0161\u00ed\u0159ena, ur\u010den\u00e9ho pro vytv\u00e1\u0159en\u00ed a spou\u0161t\u011bn\u00ed test\u016f v jazyce JavaScript, kter\u00e9 vracej\u00ed v\u00fdsledky ve form\u00e1tu TAP (Test Anything Protocol). Modul nyn\u00ed automaticky \u010dek\u00e1 na dokon\u010den\u00ed vno\u0159en\u00fdch test\u016f bez nutnosti pou\u017eit\u00ed await.\n<li class=\"l\"> HTTP klient undici byl aktualizov\u00e1n na verzi 7.x, kter\u00e1 zvy\u0161uje v\u00fdkon a p\u0159id\u00e1v\u00e1 podporu nov\u00fdm funkc\u00edm HTTP.\n<li class=\"l\"> Motor V8 byl aktualizov\u00e1n na verzi 13.6, pou\u017e\u00edvanou v Chromiu 136. Z nov\u00fdch funkc\u00ed ve srovn\u00e1n\u00ed s p\u0159edchoz\u00ed verz\u00ed Node.js je t\u0159eba zm\u00ednit podporu typovan\u00fdch pol\u00ed Float16Array, ru\u010dn\u00ed spr\u00e1vy prost\u0159edk\u016f, metody RegExp.escape (escape string pro RegExp), 64-bitov\u00fdch ukazatel\u016f (Memory64) ve WebAssembly, a metody Error.isError.\n<li class=\"l\"> Spr\u00e1vce bal\u00ed\u010dk\u016f NPM byl aktualizov\u00e1n na verzi 11.\n<li class=\"l\"> Podpora p\u0159eklada\u010de MSVC byla ukon\u010dena. Pro kompilaci na platform\u011b Windows je t\u0159eba pou\u017e\u00edt ClangCL.        <\/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=\"1762\">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=63194\">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 24.0.0, \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 24.0 \u043e\u0442\u043d\u0435\u0441\u0451\u043d \u043a \u0432\u0435\u0442\u043a\u0430\u043c \u0441 \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0441\u0440\u043e\u043a\u043e\u043c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438, \u043d\u043e \u0434\u0430\u043d\u043d\u044b\u0439 \u0441\u0442\u0430\u0442\u0443\u0441 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043e\u043a\u0442\u044f\u0431\u0440\u0435, \u043f\u043e\u0441\u043b\u0435 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u0438. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 Node.js 24.x \u0431\u0443\u0434\u0435\u0442 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u0434\u043e 30 \u0430\u043f\u0440\u0435\u043b\u044f 2028 \u0433\u043e\u0434\u0430. \u0421\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 LTS-\u0432\u0435\u0442\u043a\u0438 Node.js 22.x \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e \u0430\u043f\u0440\u0435\u043b\u044f 2027 \u0433\u043e\u0434\u0430, \u0430 \u043f\u043e\u0437\u0430\u043f\u0440\u043e\u0448\u043b\u043e\u0439 LTS-\u0432\u0435\u0442\u043a\u0438 [&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-124520","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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