{"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\/es\/blog\/news\/vypusk-javascript-platformy-deno-1-16","title":{"rendered":"Lanzamiento de la plataforma JavaScript Deno 1.16","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se lanz\u00f3 la plataforma JavaScript Deno 1.16, dise\u00f1ada para la ejecuci\u00f3n aislada (sin el uso de un navegador) de aplicaciones escritas en JavaScript y TypeScript. El proyecto es desarrollado por el autor de Node.js, Ryan Dahl. El c\u00f3digo de la plataforma est\u00e1 escrito en el lenguaje de programaci\u00f3n Rust y se distribuye bajo la licencia MIT. Se han preparado versiones listas para Linux, Windows y macOS.    <\/p>\n<p>El proyecto es similar a la plataforma Node.js y, al igual que esta, utiliza el motor JavaScript V8. Sin embargo, seg\u00fan el autor de Node.js, corrige varias deficiencias arquitect\u00f3nicas de su predecesor y se diferencia de \u00e9l en los siguientes aspectos:  <\/p>\n<ul>\n<li class=\"l\"> El uso de Rust como lenguaje principal, lo que, seg\u00fan los desarrolladores, reduce el riesgo de encontrar vulnerabilidades relacionadas con el manejo de memoria de bajo nivel (desbordamiento de b\u00fafer, uso despu\u00e9s de liberaci\u00f3n, etc.);\n<li class=\"l\"> Deno no utiliza el gestor de paquetes npm ni el archivo package.json, ofreciendo al usuario la instalaci\u00f3n de m\u00f3dulos mediante la especificaci\u00f3n de una URL o ruta al m\u00f3dulo a instalar. Sin embargo, el proyecto ofrece varias utilidades para facilitar el trabajo con m\u00f3dulos externos;\n<li class=\"l\"> Las aplicaciones se ejecutan de manera aislada en sandbox y no tienen acceso a la red, variables de entorno ni al sistema de archivos, sin permisos expl\u00edcitamente otorgados;\n<li class=\"l\"> La arquitectura incluye la posibilidad de crear aplicaciones web universales que pueden funcionar tanto en el sistema Deno como en un navegador convencional;\n<li class=\"l\"> Uso de \u00abES Modules\u00bb y falta de soporte para require();\n<li class=\"l\"> Cualquier error no manejado por el programador en la aplicaci\u00f3n web provoca su finalizaci\u00f3n forzada;\n<li class=\"l\"> Soporte para TypeScript adem\u00e1s de JavaScript;\n<li class=\"l\"> El tama\u00f1o completo de la plataforma lista para usar es de 84 MB (31 MB en un archivo zip) en forma de un solo archivo ejecutable;\n<li class=\"l\"> Incluye un sistema de resoluci\u00f3n de dependencias y formateo de c\u00f3digo;\n<li class=\"l\"> Enfocado en aplicaciones de alto rendimiento.  <\/ul>\n<p>Dino maneja solicitudes de manera no bloqueante utilizando la plataforma Tokio, dise\u00f1ada para crear aplicaciones de alto rendimiento basadas en una arquitectura orientada a eventos. Tambi\u00e9n es interesante que el servidor HTTP integrado de Deno est\u00e1 implementado en TypeScript sobre sockets TCP nativos, lo que tiene un impacto positivo en el rendimiento de las operaciones de red.    <\/p>\n<p>En la nueva versi\u00f3n se destacan:  <\/p>\n<ul>\n<li class=\"l\"> Optimizaci\u00f3n del rendimiento (4 parches);\n<li class=\"l\"> Correcci\u00f3n de m\u00e1s de 15 errores, en particular, ahora el cliente TLS admite HTTP\/2, el subsistema de codificaci\u00f3n admite etiquetas de codificaci\u00f3n adicionales, etc.;\n<li class=\"l\"> M\u00e1s de dos docenas de innovaciones, entre las que se destacan la estabilizaci\u00f3n de los subsistemas de prueba Deno.startTls y Deno.TestDefinition.permissions, la actualizaci\u00f3n del motor JS V8 a la versi\u00f3n 9.7 y el soporte para transformaciones de React 17 JSX.  <\/ul>\n<p>Fuente: <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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