{"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\/fr\/blog\/news\/vypusk-javascript-platformy-deno-1-16","title":{"rendered":"Sortie de la plateforme JavaScript Deno 1.16","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La version de la plateforme JavaScript Deno 1.16 a \u00e9t\u00e9 officiellement lanc\u00e9e, destin\u00e9e \u00e0 l'ex\u00e9cution isol\u00e9e (sans utilisation du navigateur) d'applications \u00e9crites en JavaScript et TypeScript. Le projet est d\u00e9velopp\u00e9 par l'auteur de Node.js, Ryan Dahl. Le code de la plateforme est \u00e9crit en Rust et est distribu\u00e9 sous licence MIT. Des binaires pr\u00eats \u00e0 l'emploi sont disponibles pour Linux, Windows et macOS.    <\/p>\n<p>Le projet est similaire \u00e0 la plateforme Node.js et, comme elle, utilise le moteur JavaScript V8. Cependant, selon l'auteur de Node.js, il corrige un certain nombre de d\u00e9fauts architecturaux de son pr\u00e9d\u00e9cesseur et se distingue par les nuances suivantes :  <\/p>\n<ul>\n<li class=\"l\"> Utilisation de Rust comme principal langage, ce qui, selon les d\u00e9veloppeurs, r\u00e9duit le risque d'apparition de vuln\u00e9rabilit\u00e9s li\u00e9es \u00e0 la manipulation basse de la m\u00e9moire (d\u00e9bordement de tampon, use-after-free, etc.) ;\n<li class=\"l\"> Deno n'utilise pas de gestionnaire de paquets npm et package.json, offrant \u00e0 l'utilisateur l'installation de modules en sp\u00e9cifiant l'URL ou le chemin du module \u00e0 installer. Cependant, plusieurs utilitaires sont propos\u00e9s par le projet pour faciliter le travail avec des modules tiers ;\n<li class=\"l\"> Les applications s'ex\u00e9cutent isol\u00e9ment dans des environnements de bac \u00e0 sable et n'ont pas acc\u00e8s au r\u00e9seau, aux variables d'environnement et au syst\u00e8me de fichiers, sans autorisations explicites ;\n<li class=\"l\"> L'architecture permet de cr\u00e9er des applications web universelles, capables de fonctionner \u00e0 la fois dans le syst\u00e8me Deno et dans un navigateur classique ;\n<li class=\"l\"> L'utilisation des \u00ab ES Modules \u00bb et l'absence de support pour require();\n<li class=\"l\"> Toute erreur non g\u00e9r\u00e9e par le d\u00e9veloppeur dans une application web entra\u00eene sa termination forc\u00e9e ;\n<li class=\"l\"> Support de TypeScript en plus de JavaScript ;\n<li class=\"l\"> Taille compl\u00e8te de la plateforme pr\u00eate \u00e0 l'emploi \u2014 84 Mo (dans l'archive zip \u2014 31 Mo) sous forme d'un seul fichier ex\u00e9cutable;\n<li class=\"l\"> Un syst\u00e8me de r\u00e9solution de d\u00e9pendances et de formatage de code est inclus ;\n<li class=\"l\"> Orient\u00e9 vers des applications \u00e0 haute performance.  <\/ul>\n<p>Deno traite les requ\u00eates en mode non-bloquant en utilisant la plateforme Tokio, con\u00e7ue pour cr\u00e9er des applications \u00e0 haute performance bas\u00e9es sur une architecture orient\u00e9e \u00e9v\u00e9nements (event-driven). Fait int\u00e9ressant, le serveur HTTP int\u00e9gr\u00e9 de Deno est impl\u00e9ment\u00e9 en TypeScript au-dessus de sockets TCP natifs, ce qui am\u00e9liore la performance des op\u00e9rations r\u00e9seau.    <\/p>\n<p>La nouvelle version comprend :  <\/p>\n<ul>\n<li class=\"l\"> Optimisation des performances (4 correctifs);\n<li class=\"l\"> Correction de plus de 15 erreurs, notamment le support par le client TLS du HTTP\/2, la sous-syst\u00e8me de codage qui supporte des balises de codage suppl\u00e9mentaires, etc.\n<li class=\"l\"> Plus de vingt nouveaut\u00e9s, parmi lesquelles la stabilisation des sous-syst\u00e8mes test Deno.startTls et Deno.TestDefinition.permissions, la mise \u00e0 jour du moteur JS V8 vers la version 9.7 et le support des transformations React 17 JSX.  <\/ul>\n<p>Source : <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 5.0.2 - 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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