{"id":102260,"date":"2021-11-10T15:36:45","date_gmt":"2021-11-10T13:36:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-javascript-platformy-deno-1-16"},"modified":"2021-11-10T15:36:45","modified_gmt":"2021-11-10T13:36:45","slug":"vypusk-javascript-platformy-deno-1-16","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-javascript-platformy-deno-1-16","title":{"rendered":"Megjelent a Deno 1.16 JavaScript-platform.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent a Deno 1.16 JavaScript-platform, amely a b\u00f6ng\u00e9sz\u0151 haszn\u00e1lata n\u00e9lk\u00fcl k\u00e9pes a JavaScript \u00e9s TypeScript nyelven \u00edrt alkalmaz\u00e1sok futtat\u00e1s\u00e1ra. A projektet a Node.js alkot\u00f3ja, Ryan Dahl fejleszti. A platform k\u00f3dja Rust programoz\u00e1si nyelven k\u00e9sz\u00fclt, \u00e9s MIT licenc alatt terjesztik. K\u00e9sz verzi\u00f3k \u00e1llnak rendelkez\u00e9sre Linux, Windows \u00e9s macOS rendszerekhez.    <\/p>\n<p>A projekt hasonl\u00f3 a Node.js platformhoz, \u00e9s a V8 JavaScript-motort haszn\u00e1lja, azonban a Node.js alkot\u00f3ja szerint kijav\u00edtja a megel\u0151z\u0151 hib\u00e1kat \u00e9s a k\u00f6vetkez\u0151 k\u00fcl\u00f6nbs\u00e9gekkel rendelkezik:  <\/p>\n<ul>\n<li class=\"l\"> A Rust haszn\u00e1lata alapnyelvk\u00e9nt, ami a fejleszt\u0151k v\u00e9lem\u00e9nye szerint cs\u00f6kkenti az alacsony szint\u0171 mem\u00f3ria-m\u0171veletekkel kapcsolatos sebezhet\u0151s\u00e9gek kock\u00e1zat\u00e1t (p\u00e9ld\u00e1ul puffert\u00falcsordul\u00e1s, use-after-free stb.);\n<li class=\"l\"> A Deno nem haszn\u00e1l npm csomagkezel\u0151t \u00e9s package.json f\u00e1jlt, a modulok telep\u00edt\u00e9se a modul URL-j\u00e9nek vagy el\u00e9r\u00e9si \u00fatj\u00e1nak megad\u00e1s\u00e1val t\u00f6rt\u00e9nik. Ennek ellen\u00e9re a projekt sz\u00e1mos seg\u00e9deszk\u00f6zt k\u00edn\u00e1l a k\u00fcls\u0151 modulokkal val\u00f3 munka megk\u00f6nny\u00edt\u00e9s\u00e9re;\n<li class=\"l\"> Az alkalmaz\u00e1sok izol\u00e1lt k\u00f6rnyezetben futnak, \u00e9s nem f\u00e9rnek hozz\u00e1 a h\u00e1l\u00f3zathoz, k\u00f6rnyezeti v\u00e1ltoz\u00f3khoz vagy a f\u00e1jlrendszerhez, hacsak kifejezetten nem adnak erre enged\u00e9lyt;\n<li class=\"l\"> Az architekt\u00far\u00e1ban lehet\u0151s\u00e9g van univerz\u00e1lis webalkalmaz\u00e1sok l\u00e9trehoz\u00e1s\u00e1ra, amelyek k\u00e9pesek a Deno rendszerben \u00e9s a szok\u00e1sos b\u00f6ng\u00e9sz\u0151ben egyar\u00e1nt m\u0171k\u00f6dni;\n<li class=\"l\"> Az &#171;ES Modules&#187; haszn\u00e1lata \u00e9s a require() t\u00e1mogat\u00e1s\u00e1nak hi\u00e1nya\n<li class=\"l\"> B\u00e1rmely, a fejleszt\u0151 \u00e1ltal nem kezelt hiba a webalkalmaz\u00e1sban le\u00e1ll\u00e1shoz vezet;\n<li class=\"l\"> TypeScript t\u00e1mogat\u00e1s a JavaScript mellett;\n<li class=\"l\"> A k\u00e9sz, haszn\u00e1latra k\u00e9sz platform teljes m\u00e9rete &#8212; 84 MB (zip f\u00e1jlban &#8212; 31 MB) egy v\u00e9grehajthat\u00f3 f\u00e1jlk\u00e9nt;\n<li class=\"l\"> A csomag tartalmazza a f\u00fcgg\u0151s\u00e9gkezel\u0151 rendszert \u00e9s a k\u00f3dform\u00e1z\u00e1st;\n<li class=\"l\"> A nagy teljes\u00edtm\u00e9ny\u0171 alkalmaz\u00e1sokra \u00f6sszpontos\u00edt.  <\/ul>\n<p>A Deno a Tokio platform seg\u00edts\u00e9g\u00e9vel non-blocking m\u00f3dban kezeli a k\u00e9r\u00e9seket, amely a nagy teljes\u00edtm\u00e9ny\u0171, esem\u00e9nyalap\u00fa architekt\u00far\u00e1k alapj\u00e1n k\u00e9sz\u00fclt alkalmaz\u00e1sok l\u00e9trehoz\u00e1s\u00e1ra szolg\u00e1l. \u00c9rdekes, hogy a Deno be\u00e9p\u00edtett HTTP-szervere TypeScript-ben val\u00f3sul meg a nat\u00edv TCP-sz\u0171k\u00edt\u0151k felett, ami kedvez\u0151en hat a h\u00e1l\u00f3zati m\u0171veletek teljes\u00edtm\u00e9ny\u00e9re.    <\/p>\n<p>Az \u00faj verzi\u00f3ban megjegyz\u00e9sre ker\u00fclt:  <\/p>\n<ul>\n<li class=\"l\"> Teljes\u00edtm\u00e9nyoptimaliz\u00e1l\u00e1s (4 jav\u00edt\u00e1s);\n<li class=\"l\"> T\u00f6bb mint 15 hiba jav\u00edt\u00e1sa, k\u00fcl\u00f6n\u00f6sen, hogy most a TLS-kliens t\u00e1mogatja a HTTP\/2-t, a k\u00f3dol\u00e1si alrendszer t\u00e1mogatja a tov\u00e1bbi k\u00f3dol\u00e1si c\u00edmk\u00e9ket, \u00e9s m\u00e9g sok m\u00e1s;\n<li class=\"l\"> T\u00f6bb mint k\u00e9t tucat \u00faj\u00edt\u00e1s, amelyek k\u00f6z\u00fcl kiemelhet\u0151 a kor\u00e1bban tesztelt Deno.startTls \u00e9s Deno.TestDefinition.permissions alrendszerek stabiliz\u00e1l\u00e1sa, a V8 JavaScript-motor friss\u00edt\u00e9se 9.7-es verzi\u00f3ra \u00e9s a React 17 JSX \u00e1talak\u00edt\u00e1sok t\u00e1mogat\u00e1sa.  <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56129\">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 JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Deno 1.16, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f (\u0431\u0435\u0437 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430) \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u044f\u0437\u044b\u043a\u0430\u0445 JavaScript \u0438 TypeScript. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0430\u0432\u0442\u043e\u0440\u043e\u043c Node.js \u0420\u0430\u0439\u0430\u043d\u043e\u043c \u0414\u0430\u043b\u0435\u043c (Ryan Dahl). \u041a\u043e\u0434 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u0413\u043e\u0442\u043e\u0432\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f Linux, Windows \u0438 macOS. \u041f\u0440\u043e\u0435\u043a\u0442 \u0441\u0445\u043e\u0436 \u0441 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u043e\u0439 Node.js \u0438, \u043f\u043e\u0434\u043e\u0431\u043d\u043e \u0435\u043c\u0443, [&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-102260","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 JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Deno 1.16, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f (\u0431\u0435\u0437 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