{"id":120214,"date":"2024-10-17T13:09:19","date_gmt":"2024-10-17T11:09:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovana-platforma-node-js-23-0-s-nachalnoj-podderzhkoj-yazyka-typescript"},"modified":"2026-02-15T22:30:50","modified_gmt":"2026-02-15T20:30:50","slug":"opublikovana-platforma-node-js-23-0-s-nachalnoj-podderzhkoj-yazyka-typescript","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/opublikovana-platforma-node-js-23-0-s-nachalnoj-podderzhkoj-yazyka-typescript","title":{"rendered":"Megjelent a Node.js 23.0 platform a TypeScript nyelv kezdeti t\u00e1mogat\u00e1s\u00e1val","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Meg\u00e9rkezett a Node.js 23.0.0, a JavaScript nyelv\u0171 h\u00e1l\u00f3zati alkalmaz\u00e1sok futtat\u00e1s\u00e1ra szolg\u00e1l\u00f3 platform. A Node.js 23.0 a k\u00f6ztes \u00e1gak k\u00f6z\u00e9 tartozik, amelyek karbantart\u00e1sa 7 h\u00f3napig tart (2025 j\u00fanius\u00e1ig). A k\u00f6vetkez\u0151 napokban befejez\u0151dik a Node.js 22 stabiliz\u00e1l\u00e1sa, amely okt\u00f3ber 29-\u00e9n LTS st\u00e1tuszt kap, \u00e9s 2027 \u00e1prilis\u00e1ig t\u00e1mogatott marad. A kor\u00e1bbi LTS \u00e1gak, a Node.js 20.x \u00e9s 18.x t\u00e1mogat\u00e1sa 2026 \u00e9s 2025 \u00e1prilis\u00e1ig folytat\u00f3dik.       <\/p>\n<p>F\u0151 fejleszt\u00e9sek:  <\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva az TypeScript nyelv k\u00eds\u00e9rleti t\u00e1mogat\u00e1sa, amely lehet\u0151v\u00e9 teszi a t\u00edpusok kifejezett meghat\u00e1roz\u00e1s\u00e1t. A t\u00e1mogat\u00e1s a &#171;&#8212;experimental-strip-types&#187; \u00e9s &#171;&#8212;experimental-transform-types&#187; opci\u00f3kkal aktiv\u00e1lhat\u00f3. Az els\u0151 opci\u00f3 eset\u00e9n a TypeScript haszn\u00e1lata a t\u00edpusokhoz specifikus defin\u00edci\u00f3k tiszt\u00edt\u00e1s\u00e1ra korl\u00e1toz\u00f3dik (a t\u00edpusellen\u0151rz\u00e9s nem ker\u00fcl v\u00e9grehajt\u00e1sra, a k\u00f3d egyszer\u0171en JavaScript form\u00e1ra alak\u00edtva, t\u00edpusaik n\u00e9lk\u00fcl). A m\u00e1sodik opci\u00f3 a TypeScript szintaxis bizonyos elemeit, p\u00e9ld\u00e1ul az enumer\u00e1ci\u00f3kat (enum) \u00e9s a n\u00e9vtereket (namespace), JavaScript k\u00f3dra alak\u00edtja \u00e1t.\n<li class=\"l\"> Alap\u00e9rtelmez\u00e9s szerint enged\u00e9lyezve van a &#171;require()&#187; h\u00edv\u00e1s haszn\u00e1lata JavaScript ESM (ECMAScript Modules) modulok szinkron m\u00f3d\u00fa bet\u00f6lt\u00e9s\u00e9re. Az ESM modulok a b\u00f6ng\u00e9sz\u0151kben haszn\u00e1latosak \u00e9s a Node.js-re jellemz\u0151 CommonJS modulok hely\u00e9be l\u00e9pnek. Az ESM modul Node.js-en val\u00f3 &#171;require()&#187; \u00e1ltali bet\u00f6lt\u00e9s\u00e9hez szinkron m\u00f3d\u00fa v\u00e9grehajt\u00e1s sz\u00fcks\u00e9ges (await n\u00e9lk\u00fcl a legfels\u0151 szinten).\n<li class=\"l\"> Automatikusan felismerhet\u0151k az ESM modulok kiterjeszt\u00e9s n\u00e9lk\u00fcli f\u00e1jlokban vagy &#171;.js&#187; kiterjeszt\u00e9s\u0171 f\u00e1jlokban. Kor\u00e1bban az ilyen f\u00e1jlokat CommonJS modulok\u00e9nt kezelt\u00e9k, ha a vele egy k\u00f6nyvt\u00e1rban tal\u00e1lhat\u00f3 package.json f\u00e1jlban kifejezetten nem volt megadva a t\u00edpusuk (&#171;type&#187;: &#171;module&#187;). Az \u00faj verzi\u00f3ban a package.json-ban nem megjel\u00f6lt t\u00edpus\u00fa f\u00e1jlok eset\u00e9n el\u0151sz\u00f6r CommonJS modulnak pr\u00f3b\u00e1lj\u00e1k bet\u00f6lteni, \u00e9s ha ez nem siker\u00fcl, akkor ESM modulnak.\n<li class=\"l\"> K\u00eds\u00e9rleti megval\u00f3s\u00edt\u00e1s ker\u00fclt hozz\u00e1ad\u00e1sra <a href=\"https:\/\/prohoster.info\/hu\/ssl-sertifikat\/rapidssl-wildcard\/\"  data-wpil-monitor-id=\"3321\">a b\u00f6ng\u00e9sz\u0151kkel kompatibilis<\/a> A Web Storage API, amely \u00e1lland\u00f3 (localStorage oszt\u00e1ly) vagy ideiglenes (sessionStorage oszt\u00e1ly) adatok kulcs\/\u00e9rt\u00e9k form\u00e1tumban val\u00f3 t\u00e1rol\u00e1s\u00e1ra szolg\u00e1l. A Web Storage t\u00e1mogat\u00e1s\u00e1nak aktiv\u00e1l\u00e1s\u00e1hoz &#171;&#8212;experimental-webstorage&#187; z\u00e1szl\u00f3val kell futtatni, \u00e9s meg kell adni a t\u00e1rol\u00f3 f\u00e1jl \u00fatvonal\u00e1t az &#171;&#8212;localstorage-file&#187; z\u00e1szl\u00f3val.\n<li class=\"l\"> Hozz\u00e1adva egy k\u00eds\u00e9rleti SQLite API adatb\u00e1zisok kezel\u00e9s\u00e9re, SQL lek\u00e9rdez\u00e9si nyelv haszn\u00e1lat\u00e1val \u00e9s SQLite k\u00f6nyvt\u00e1ralap\u00fa t\u00e1rol\u00e1ssal. Az adatb\u00e1zist nemcsak lemezen lehet t\u00e1rolni, hanem mem\u00f3ri\u00e1ban is, ha a f\u00e1jl neve helyett &#171;:memory:&#187; van megadva. A Web Storage API is SQLite f\u00f6l\u00e9 van \u00e9p\u00edtve, ami az SQLite Node.js f\u00fcgg\u0151s\u00e9gei k\u00f6z\u00e9 val\u00f3 felv\u00e9tel\u00e9hez vezetett.\n<li class=\"l\"> Stabilnak nyilv\u00e1n\u00edtva a &#171;node &#8212;run&#187; parancsot, amely a package.json f\u00e1jlban meghat\u00e1rozott szkriptek futtat\u00e1s\u00e1ra szolg\u00e1l.\n<li class=\"l\"> Bevezet\u00e9sre ker\u00fclt az opcion\u00e1lis leford\u00edtott k\u00f3d lemezen val\u00f3 gyors\u00edt\u00f3t\u00e1raz\u00e1s\u00e1nak t\u00e1mogat\u00e1sa a modulok ind\u00edt\u00e1s\u00e1nak jelent\u0151s felgyors\u00edt\u00e1sa \u00e9rdek\u00e9ben. A gyors\u00edt\u00f3t\u00e1raz\u00e1s enged\u00e9lyez\u00e9se a NODE_COMPILE_CACHE k\u00f6rnyezeti v\u00e1ltoz\u00f3val t\u00f6rt\u00e9nik. Funkci\u00f3j\u00e1t tekintve hasonl\u00edt a v8-compile-cache csomagra, de magasabb teljes\u00edtm\u00e9nyt \u00e9s ESM modulok t\u00e1mogat\u00e1s\u00e1t ny\u00fajt.\n<li class=\"l\"> Optimaliz\u00e1lt\u00e1k a Buffer objektumot, amely jelent\u0151sen n\u00f6velte a Buffer.copy() \u00e9s Buffer.write() m\u00f3dszerek teljes\u00edtm\u00e9ny\u00e9t.\n<li class=\"l\"> Jav\u00edtott\u00e1k a node:fs modul teljes\u00edtm\u00e9ny\u00e9t, cs\u00f6kkentve egyidej\u0171leg a C++ k\u00f3dkih\u00edv\u00e1sok sz\u00e1m\u00e1t is.\n<li class=\"l\"> A V8 motor friss\u00edtve lett a 12.9-es verzi\u00f3ra, amelyet a Chromium 129 haszn\u00e1l.\n<li class=\"l\"> El lett t\u00e1vol\u00edtva a 32-bites Windows rendszerek t\u00e1mogat\u00e1sa.\n<li class=\"l\"> A Node.js \u00e9s a V8 motor C++20 szabv\u00e1nyban meghat\u00e1rozott \u00faj lehet\u0151s\u00e9geinek bevezet\u00e9se miatt megn\u00f6vekedtek a GCC ford\u00edt\u00f3 verzi\u00f3j\u00e1val kapcsolatos k\u00f6vetelm\u00e9nyek. A Node.js \u00f6ssze\u00e1ll\u00edt\u00e1s\u00e1hoz mostant\u00f3l legal\u00e1bb GCC 12-es verzi\u00f3 sz\u00fcks\u00e9ges.      <\/ul>\n<p>A Node.js platform szerver oldali webalkalmaz\u00e1sok m\u0171k\u00f6dtet\u00e9s\u00e9re, valamint hagyom\u00e1nyos kliens \u00e9s szerver h\u00e1l\u00f3zati programok k\u00e9sz\u00edt\u00e9s\u00e9re haszn\u00e1lhat\u00f3. A Node.js alkalmaz\u00e1sok funkcionalit\u00e1s\u00e1nak b\u0151v\u00edt\u00e9se \u00e9rdek\u00e9ben egy nagy modulgy\u0171jtem\u00e9ny k\u00e9sz\u00fclt, amely tartalmaz k\u00fcl\u00f6nb\u00f6z\u0151 megval\u00f3s\u00edt\u00e1s\u00fa modulokat.  <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/\"   title=\"szerverek\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1737\">szerverek<\/a> \u00e9s HTTP, SMTP, XMPP, DNS, FTP, IMAP, POP3 klienseket, valamint modulokat k\u00fcl\u00f6nb\u00f6z\u0151 webkeretrendszerek integr\u00e1l\u00e1s\u00e1hoz, WebSocket \u00e9s Ajax kezel\u0151ket, az adatb\u00e1zisokhoz (MySQL, PostgreSQL, SQLite, MongoDB) val\u00f3 kapcsol\u00f3d\u00e1sokat, sablongener\u00e1torokat, CSS-motorokat, kriptogr\u00e1fiai algoritmusok \u00e9s hiteles\u00edt\u00e9si rendszerek (OAuth) megval\u00f3s\u00edt\u00e1sait, XML-parsereket.    <\/p>\n<p> A p\u00e1rhuzamos lek\u00e9r\u00e9sek nagy sz\u00e1m\u00fa feldolgoz\u00e1s\u00e1nak biztos\u00edt\u00e1sa \u00e9rdek\u00e9ben a Node.js aszinkron k\u00f3dv\u00e9grehajt\u00e1si modellt alkalmaz, amely esem\u00e9nyek feldolgoz\u00e1s\u00e1n alapul nem blokkol\u00f3 m\u00f3dban, \u00e9s callback-kezel\u0151k defini\u00e1l\u00e1s\u00e1val. A kapcsolatok multiplexel\u00e9s\u00e9re olyan m\u00f3dszerek t\u00e1mogatottak, mint az epoll, kqueue, \/dev\/poll \u00e9s select. A kapcsolatok multiplexel\u00e9s\u00e9hez a libuv k\u00f6nyvt\u00e1rat haszn\u00e1lj\u00e1k, amely a libev f\u00f6l\u00e9 \u00e9p\u00fcl Unix rendszereken \u00e9s az IOCP f\u00f6l\u00e9 Windows alatt. A sz\u00e1lak medenc\u00e9j\u00e9nek (thread pool) l\u00e9trehoz\u00e1s\u00e1hoz a libeio k\u00f6nyvt\u00e1rat alkalmazz\u00e1k, m\u00edg a DNS-lek\u00e9rdez\u00e9sek nem blokkol\u00f3 m\u00f3d\u00fa v\u00e9grehajt\u00e1s\u00e1hoz a c-ares integr\u00e1lva van. Minden blokkol\u00f3 rendszerh\u00edv\u00e1s a sz\u00e1lak medenc\u00e9j\u00e9n bel\u00fcl t\u00f6rt\u00e9nik, majd, ak\u00e1rcsak a jelkezel\u0151k, az eredm\u00e9ny\u00fcket egy n\u00e9vtelen cs\u0151n (pipe) kereszt\u00fcl tov\u00e1bb\u00edtj\u00e1k.     <\/p>\n<p>A JavaScript-k\u00f3d v\u00e9grehajt\u00e1sa a Google \u00e1ltal fejlesztett V8 motor aktiv\u00e1l\u00e1s\u00e1val val\u00f3sul meg (tov\u00e1bb\u00e1 a Microsoft is fejleszti a Node.js alternat\u00edv\u00e1j\u00e1t a Chakra-Core motorral). A Node.js alapvet\u0151en hasonl\u00edt a Perl AnyEvent, Ruby Event Machine, Python Twisted \u00e9s a Tcl esem\u00e9nykezel\u00e9s\u00e9nek megval\u00f3s\u00edt\u00e1s\u00e1ra, azonban a Node.js esem\u00e9nyfeldolgoz\u00f3 ciklusa el van rejtve a fejleszt\u0151 el\u0151l, \u00e9s hasonl\u00edt a webalkalmaz\u00e1sban, b\u00f6ng\u00e9sz\u0151ben zajl\u00f3 esem\u00e9nykezel\u00e9sre.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62066\">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 23.0.0, \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 23.0 \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 2025 \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 22, \u043a\u043e\u0442\u043e\u0440\u0430\u044f 29 \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 2027 \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 Node.js [&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-120214","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 \u0440\u0435\u043b\u0438\u0437 Node.js 23.0.0, \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.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hu\/blog\/news\/opublikovana-platforma-node-js-23-0-s-nachalnoj-podderzhkoj-yazyka-typescript\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"hu_HU\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 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