{"id":69424,"date":"2020-02-19T08:45:31","date_gmt":"2020-02-19T05:45:31","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/proekt-deno-razvivaet-zashhishhyonnuyu-javascript-platformu-pohozhuyu-na-node-js"},"modified":"2020-03-03T16:11:16","modified_gmt":"2020-03-03T13:11:16","slug":"proekt-deno-razvivaet-zashhishhyonnuyu-javascript-platformu-pohozhuyu-na-node-js","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/proekt-deno-razvivaet-zashhishhyonnuyu-javascript-platformu-pohozhuyu-na-node-js","title":{"rendered":"\u041f\u0440\u043e\u0435\u043a\u0442 Deno \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u0443\u044e JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443, \u043f\u043e\u0445\u043e\u0436\u0443\u044e \u043d\u0430 Node.js","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/denoland\/deno\/releases\">Disponibile<\/a><\/noindex> il rilascio del progetto <noindex><a rel=\"nofollow\" href=\"https:\/\/deno.land\/\">Deno 0.33<\/a><\/noindex>, che offre una piattaforma simile a Node.js per l'esecuzione isolata di applicazioni in JavaScript e TypeScript, utilizzabile per l'esecuzione di app senza legame con il browser, ad esempio per creare handler che funzionano sul server. Deno utilizza il motore JavaScript <noindex><a rel=\"nofollow\" href=\"https:\/\/v8.dev\/\">V8<\/a><\/noindex>, che viene utilizzato anche in Node.js e nei browser basati sul progetto Chromium. Il codice del progetto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/denoland\/deno\">distribuito<\/a><\/noindex> \u00e8 sotto licenza MIT. Il progetto \u00e8 sviluppato da Ryan Dahl (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Ryan_Dahl\">Ryan Dahl<\/a><\/noindex>), creatore della piattaforma JavaScript Node.js. <\/p>\n<p>Uno dei principali obiettivi della creazione di un nuovo runtime per JavaScript \u00e8 fornire un ambiente pi\u00f9 sicuro. Per migliorare la sicurezza, l'interfaccia attorno al motore V8 \u00e8 scritta in Rust, permettendo di evitare molte vulnerabilit\u00e0 derivanti dalla gestione a basso livello della memoria, come l'accesso all'area di memoria dopo il rilascio, la dereferenziazione di puntatori nulli e l'overflow del buffer. Per gestire le richieste in modo non bloccante, viene utilizzata la piattaforma <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tokio-rs\/tokio\">Tokio<\/a><\/noindex>, scritto anche in linguaggio Rust. Tokio consente di creare applicazioni ad alte prestazioni basate su architettura orientata agli eventi, supportando il multithreading e la gestione delle richieste di rete in modo asincrono.<\/p>\n<p>Principali <noindex><a rel=\"nofollow\" href=\"https:\/\/deno.land\/std\/manual.md\">caratteristiche<\/a><\/noindex> Deno:<\/p>\n<ul>\n<li class=\"l\"> Orientamento alla sicurezza nella configurazione predefinita. Gli accessi a file, capacit\u00e0 di rete e accesso a variabili di ambiente sono bloccati di default e richiedono un'esplicita attivazione;\n<li class=\"l\"> Supporto integrato per il linguaggio TypeScript oltre a JavaScript;\n<li class=\"l\"> Runtime \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0444\u043e\u0440\u043c\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u0441\u0430\u043c\u043e\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u0430 (&#171;deno&#187;). \u0414\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 Deno \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/denoland\/deno\/releases\">scaricare<\/a><\/noindex> per la propria piattaforma un file eseguibile di circa 10 MB, privo di dipendenze esterne e che non richiede alcuna installazione particolare nel sistema;\n<li class=\"l\"> \u041f\u0440\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0430\u0434\u0440\u0435\u0441\u0430\u0446\u0438\u044e \u0447\u0435\u0440\u0435\u0437 URL. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b welcome.js \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043a\u043e\u043c\u0430\u043d\u0434\u0443 &#171;deno https:\/\/deno.land\/std\/examples\/welcome.js&#187;. \u041a\u043e\u0434 \u0441 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u0442\u0441\u044f \u0438 \u043a\u044d\u0448\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043d\u0430 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u043d\u043e \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043d\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u0442\u0441\u044f (\u0434\u043b\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u044f\u0432\u043d\u043e \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u044c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0441 \u0444\u043b\u0430\u0433\u043e\u043c &#171;&#8212;reload&#187;);\n<li class=\"l\"> Gestione efficace delle richieste di rete HTTP nelle applicazioni; la piattaforma \u00e8 progettata per creare applicazioni di rete ad alte prestazioni.\n<li class=\"l\"> Possibilit\u00e0 di creare applicazioni web universali, che possono essere eseguite sia in Deno che in un normale browser web.\n<li class=\"l\"> \u041a\u0440\u043e\u043c\u0435 runtime \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 Deno  \u0442\u0430\u043a\u0436\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442 \u0440\u043e\u043b\u044c \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0432\u043d\u0443\u0442\u0440\u0438 \u043a\u043e\u0434\u0430 \u043e\u0431\u0440\u0430\u0449\u0430\u0442\u044c\u0441\u044f \u043a \u043c\u043e\u0434\u0443\u043b\u044f\u043c \u043f\u043e URL. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043c\u043e\u0434\u0443\u043b\u044f \u043c\u043e\u0436\u043d\u043e \u0443\u043a\u0430\u0437\u0430\u0442\u044c \u0432 \u043a\u043e\u0434\u0435 &#171;import * as log from &#171;https:\/\/deno.land\/std\/log\/mod.ts&#187;. \u0424\u0430\u0439\u043b\u044b, \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0435 \u0441 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u043f\u043e URL \u043a\u044d\u0448\u0438\u0440\u0443\u044e\u0442\u0441\u044f. \u041f\u0440\u0438\u0432\u044f\u0437\u043a\u0430 \u043a \u0432\u0435\u0440\u0441\u0438\u044f\u043c \u043c\u043e\u0434\u0443\u043b\u0435\u0439 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u044e\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u044f \u043d\u043e\u043c\u0435\u0440\u043e\u0432 \u0432\u0435\u0440\u0441\u0438\u0439 \u0432\u043d\u0443\u0442\u0440\u0438 URL, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, &#171;https:\/\/unpkg.com\/liltest@0.0.5\/dist\/liltest.js&#187;;\n<li class=\"l\"> \u0412 \u0441\u043e\u0441\u0442\u0430\u0432 \u0438\u043d\u0442\u0435\u0433\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0438\u043d\u0441\u043f\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0435\u0439 (\u043a\u043e\u043c\u0430\u043d\u0434\u0430 &#171;deno info&#187;)  \u0438 \u0443\u0442\u0438\u043b\u0438\u0442\u0430 \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043e\u0434\u0430 (deno fmt).\n<li class=\"l\"> Per gli sviluppatori di applicazioni <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/denoland\/deno\/tree\/master\/std\">designato<\/a><\/noindex> un insieme di moduli standard che hanno subito un audit aggiuntivo e verifiche di compatibilit\u00e0;\n<li class=\"l\"> Tutti gli script dell'applicazione possono essere uniti in un unico file JavaScript.\n<\/ul>\n<p> Differenze rispetto a Node.js:<\/p>\n<ul>\n<li class=\"l\"> Deno non utilizza il gestore di pacchetti npm<br \/>\n e non si collega ai repository; gli indirizzi dei moduli sono gestiti tramite URL o percorsi di file, con i moduli che possono essere ospitati su qualsiasi sito;<\/p>\n<li class=\"l\"> \u0412 Deno \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f &#171;package.json&#187; \u0434\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043c\u043e\u0434\u0443\u043b\u0435\u0439;\n<li class=\"l\"> Differenze nell'API: tutte le operazioni asincrone in Deno restituiscono un promise;\n<li class=\"l\"> Deno richiede una dichiarazione esplicita di tutti i permessi necessari per file, rete e variabili d'ambiente;\n<li class=\"l\"> Tutti gli errori non gestiti portano alla terminazione dell'applicazione;\n<li class=\"l\"> In Deno si applica il sistema di moduli ECMAScript e non viene supportato require().\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52387\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Deno 0.33, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0433\u043e \u043f\u043e\u0445\u043e\u0436\u0443\u044e \u043d\u0430 Node.js \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 \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 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 JavaScript \u0438 TypeScript, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0430 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0431\u0435\u0437 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438 \u043a \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0443, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435. \u0412 Deno \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f JavaScript-\u0434\u0432\u0438\u0436\u043e\u043a V8, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432 Node.js \u0438 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430\u0445 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Chromium. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 [&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-69424","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a 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