{"id":120209,"date":"2024-10-17T01:09:33","date_gmt":"2024-10-16T23:09:33","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/bun-v1-1-30"},"modified":"2024-10-17T01:09:33","modified_gmt":"2024-10-16T23:09:33","slug":"bun-v1-1-30","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/bun-v1-1-30","title":{"rendered":"Bun v1.1.30","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Bun <\/p>\n

Ti\u0161e a nen\u00e1padn\u011b byla publikov\u00e1na nov\u00e1 stabiln\u00ed verze Bun<\/a> \u2013 1.1.30.<\/p>\n

<\/noindex><\/noindex> <\/p>\n

Bun \u2013 je b\u011bhov\u00e9 prost\u0159ed\u00ed pro ECMAScript \/ JavaScript, kter\u00e9 je v mnoha ohledech srovnateln\u00e9 nodejs<\/a>. V z\u00e1kladu Bunu je pou\u017eit JavaScriptCore<\/a> od Apple, ale samotn\u00fd Bun, stejn\u011b jako mnoho jeho modul\u016f, je naps\u00e1n v jazyce zig<\/a>. Bun se sna\u017e\u00ed b\u00fdt maxim\u00e1ln\u011b kompatibiln\u00ed s nodejs co se t\u00fd\u010de volby p\u0159\u00edkazov\u00e9ho \u0159\u00e1dku, podporuje moduly ECMAScript (ESM) i CommonJS. Spr\u00e1va bal\u00ed\u010dk\u016f npm a podpora typescript<\/a> jsou zabudov\u00e1ny p\u0159\u00edmo do aplikace jako nativn\u00ed k\u00f3d, tak\u017ee programy v typescriptu mohou b\u00fdt vykon\u00e1v\u00e1ny p\u0159\u00edmo interpretem bez p\u0159edchoz\u00ed konfigurace.<\/p>\n

<\/noindex> <\/p>\n

Av\u0161ak Bun nen\u00ed jen \"kopi\u00ed\" nodejs, pokud jde o mo\u017enosti. Krom\u011b rychlej\u0161\u00edho v\u00fdkonu v \u0159ad\u011b sc\u00e9n\u00e1\u0159\u016f (po\u010d\u00ednaje spu\u0161t\u011bn\u00edm aplikace) a t\u00e9m\u011b\u0159 \u00fapln\u00e9 podpory dostupn\u00e9ho API v nodejs, Bun poskytuje \u0161irok\u00e9 mo\u017enosti pro serverov\u00e9 aplikace \u2013 od pr\u00e1ce se soubory po transformaci HTML stromu (HTMLRewriter<\/a>), modulem pro transpila\u010dn\u00ed typescript (Bun.Transpiler<\/a>), vestav\u011bnou pr\u00e1ci s datab\u00e1zemi sqlite<\/a>, modul\u016f pro interakci s nativn\u00edmi knihovnami platformy prost\u0159ednictv\u00edm API jazyka C \u2013 ffi<\/a>, integrovan\u00e9 n\u00e1stroje pro testov\u00e1n\u00ed<\/a> a mnoho dal\u0161\u00edch mo\u017enost\u00ed.<\/p>\n

<\/noindex> <\/p>\n

Krom\u011b toho, v experiment\u00e1ln\u00edm re\u017eimu Bun podporuje integraci s k\u00f3dem v C prost\u0159ednictv\u00edm transparentn\u00edho vol\u00e1n\u00ed tcc<\/a>:<\/p>\n

<\/noindex> hello.c: \tint hello() \t{ \t return 42; \t} hello.js: \timport { cc } from \"bun:ffi\"; \timport source from \".\/hello.c\" with { type: \"file\" }; \tconst { \t symbols: { hello }, \t} = cc({ \t source, \t symbols: { \t hello: { \t args: [], \t returns: \"int\", \t }, \t }, \t}); \tconsole.log(\"Jak\u00e1 je odpov\u011b\u010f na vesm\u00edr?\"); hello()); $ bun hello.js Jak\u00e1 je odpov\u011b\u010f na vesm\u00edr? 42 <\/p>\n

V t\u00e9to verzi, mimo jin\u00e9, byl p\u0159id\u00e1n parser CSS zalo\u017een\u00fd na LightningCSS<\/a> , kter\u00fd byl speci\u00e1ln\u011b pro to p\u0159eps\u00e1n z takov\u00fdch legacy technologi\u00ed jako rust<\/a> na zig, co\u017e umo\u017enilo transparentn\u011b integrovat css a typescript, a nyn\u00ed je mo\u017en\u00e9 importovat css soubor p\u0159\u00edmo do modulu typescript:<\/p>\n

<\/noindex> index.ts: \timport \".\/style.css\"; \timport Component from \".\/MyComponent.tsx\"; \t\/\/ … zbytek va\u0161\u00ed aplikace style.css: \t\/* v\u00fdsledek sestaven\u00ed: *\/ \t\/* style.css *\/ \t.hello { \t background: red; \t} \t\/* MyComponent.css *\/ \t.MyComponent { \t color: green; \t} <\/p>\n

Bun umo\u017e\u0148uje se dala sestavit<\/a> celou aplikaci se v\u0161emi zdroji v jednom spustiteln\u00e9m souboru.<\/p>\n

<\/noindex><\/p>\n

Zdroj: linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0422\u0438\u0445\u043e \u0438 \u043d\u0435\u0437\u0430\u043c\u0435\u0442\u043d\u043e \u0431\u044b\u043b\u0430 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f Bun – 1.1.30. Bun – \u044d\u0442\u043e \u0441\u0440\u0435\u0434\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f ECMAScript \/ JavaScript, \u043f\u043e \u043c\u043d\u043e\u0433\u0438\u043c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430\u043c \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u0430\u044f nodejs. \u0412 \u043e\u0441\u043d\u043e\u0432\u0435 Bun \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f JavaScriptCore \u043e\u0442 Apple, \u043d\u043e \u0441\u0430\u043c Bun \u043a\u0430\u043a \u0438 \u043c\u043d\u043e\u0433\u0438\u0435 \u0435\u0433\u043e \u043c\u043e\u0434\u0443\u043b\u0438 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 zig. 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