{"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\/no\/blog\/news\/v-node-js-dobavlena-eksperimentalnaya-podderzhka-yazyka-typescript","title":{"rendered":"Eksperimentell st\u00f8tte for TypeScript-spr\u00e5ket er lagt til Node.js","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I kodebasen til JavaScript-plattformen Node.js er det innf\u00f8rt en endring som legger til muligheten for \u00e5 utf\u00f8re filer med kode skrevet i programmeringsspr\u00e5ket TypeScript. St\u00f8tte for TypeScript aktiveres ved hjelp av alternativet &#171;&#8212;experimental-strip-types&#187; og inneb\u00e6rer fjerning av type-definisjoner som er spesifikke for dette spr\u00e5ket, det vil si konvertering av kildekoden til JavaScript f\u00f8r den kj\u00f8res. Funksjoner som ikke er relatert til typebeskrivelser, som navnerom, dekorat\u00f8rer, egenskapene til parametere og oppramsede typer (enum), st\u00f8ttes forel\u00f8pig ikke. Den nye funksjonaliteten kan testes ved \u00e5 bruke dagens nattlige versjoner av Node.js 23.      <\/p>\n<p>For oversettelsen er kompilatoren SWC (Speedy Web Compiler) involvert, skrevet i Rust. For \u00e5 unng\u00e5 \u00e5 legge til ekstra avhengigheter til Node.js, benyttes kompilatorens representasjon swc\/wasm-typescript, levert i mellomliggende WebAssembly-kode og allerede brukt til samme form\u00e5l i Deno-plattformen. Endringen ble lagt til som svar p\u00e5 mange foresp\u00f8rsel fra brukere om \u00e5 kunne kj\u00f8re TypeScript-kode uten \u00e5 installere eksterne lastere og ekstravernede avhengigheter. St\u00f8tten for TypeScript ble implementert fra start i de konkurrerende plattformene Deno og Bun.    <\/p>\n<p>Den viktigste forskjellen mellom TypeScript og JavaScript er den eksplisitte definisjonen av typer. Statisk typisering bidrar til \u00e5 unng\u00e5 mange feil i utviklingsprosessen, gir mulighet for \u00e5 bruke ekstra optimaliseringsteknikker, forenkler feils\u00f8king og gj\u00f8r koden mer lesbar og enklere \u00e5 vedlikeholde for eksterne utviklere. I implementasjonen av TypeScript i Node.js g\u00e5r disse mulighetene tapt, ettersom typene ikke sjekkes under oversettelsen av 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 5.0.5 - 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