{"id":118230,"date":"2024-07-25T15:43:15","date_gmt":"2024-07-25T13:43:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-node-js-dobavlena-eksperimentalnaya-podderzhka-yazyka-typescript"},"modified":"2024-07-25T15:43:15","modified_gmt":"2024-07-25T13:43:15","slug":"v-node-js-dobavlena-eksperimentalnaya-podderzhka-yazyka-typescript","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/v-node-js-dobavlena-eksperimentalnaya-podderzhka-yazyka-typescript","title":{"rendered":"Node.js f\u00e5r eksperimentel support for TypeScript","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I kodebasen for JavaScript-platformen Node.js er der indf\u00f8rt en \u00e6ndring, som giver mulighed for at k\u00f8re filer med kode skrevet i programmeringssproget TypeScript. St\u00f8tte til TypeScript aktiveres ved hj\u00e6lp af indstillingen &#171;&#8212;experimental-strip-types&#187; og best\u00e5r i at fjerne typespecifikke definitioner, dvs. at omdanne koden til JavaScript inden udf\u00f8relsen. Funktioner i TypeScript, der ikke er relateret til typespecifikation, s\u00e5som navnerum, dekorat\u00f8rer, parametre og enum-typer, underst\u00f8ttes endnu ikke. Den nye funktion kan testes ved at bruge dagens natbygninger af Node.js 23.      <\/p>\n<p>Til overs\u00e6ttelsen benyttes SWC (Speedy Web Compiler), som er skrevet i Rust. For at undg\u00e5 at tilf\u00f8je yderligere afh\u00e6ngigheder til Node.js, benyttes SWC's wasm-typescript implementeing, som leveres i WebAssembly-mellemkode og allerede anvendes til de samme form\u00e5l p\u00e5 Deno-platformen. \u00c6ndringen er tilf\u00f8jet som svar p\u00e5 mange brugeres \u00f8nsker om at kunne k\u00f8re TypeScript-kode uden at installere eksterne l\u00e6sere og yderligere afh\u00e6ngigheder. I de konkurrerende platforme Deno og Bun blev TypeScript-support oprindeligt implementeret.    <\/p>\n<p>Det v\u00e6sentligste adskillelse mellem TypeScript og JavaScript er den eksplicitte typedefinering. Statisk typning hj\u00e6lper med at undg\u00e5 mange fejl under udvikling, giver mulighed for at bruge yderligere optimeringsteknikker, forenkler fejlfinding og g\u00f8r koden mere l\u00e6selig og enklere at vedligeholde for eksterne udviklere. I den implementation, der er tilf\u00f8jet i Node.js, g\u00e5r disse TypeScript-muligheder tabt, da typekontrol ikke udf\u00f8res under overs\u00e6tning af kildekoden til JavaScript.<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61607\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Node.js \u043f\u0440\u0438\u043d\u044f\u0442\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0444\u0430\u0439\u043b\u043e\u0432 \u0441 \u043a\u043e\u0434\u043e\u043c \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f TypeScript. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u044f\u0437\u044b\u043a\u0430 TypeScript \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043e\u043f\u0446\u0438\u0438 &#171;&#8212;experimental-strip-types&#187; \u0438 \u0441\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043a \u043e\u0447\u0438\u0441\u0442\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u0445 \u0434\u043b\u044f \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u044f\u0437\u044b\u043a\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0439 \u0442\u0438\u043f\u043e\u0432, \u0442.\u0435. \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044e \u043f\u0435\u0440\u0435\u0434 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0432 JavaScript. \u041d\u0435 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435\u043c \u0442\u0438\u043f\u043e\u0432 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 TypeScript, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0430 \u0438\u043c\u0451\u043d, \u0434\u0435\u043a\u043e\u0440\u0430\u0442\u043e\u0440\u044b, [&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-118230","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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