Duffer Derek

{"version":3,"sources":["../../src/server/send-payload.ts"],"sourcesContent":["import type { IncomingMessage, ServerResponse } from 'http'\nimport type RenderResult from './render-result'\nimport type { CacheControl } from './lib/cache-control'\n\nimport { isResSent } from '../shared/lib/utils'\nimport { generateETag } from './lib/etag'\nimport fresh from 'next/dist/compiled/fresh'\nimport { getCacheControlHeader } from './lib/cache-control'\nimport { RSC_CONTENT_TYPE_HEADER } from '../client/components/app-router-headers'\n\nexport function sendEtagResponse(\n  req: IncomingMessage,\n  res: ServerResponse,\n  etag: string | undefined\n): boolean {\n  if (etag) {\n    /**\n     * The server generating a 304 response MUST generate any of the\n     * following header fields that would have been sent in a 200 (OK)\n     * response to the same request: Cache-Control, Content-Location, Date,\n     * ETag, Expires, and Vary. https://tools.ietf.org/html/rfc7232#section-4.1\n     */\n    res.setHeader('ETag', etag)\n  }\n\n  if (fresh(req.headers, { etag })) {\n    res.statusCode = 304\n    res.end()\n    return true\n  }\n\n  return false\n}\n\nexport async function sendRenderResult({\n  req,\n  res,\n  result,\n  type,\n  generateEtags,\n  poweredByHeader,\n  cacheControl,\n}: {\n  req: IncomingMessage\n  res: ServerResponse\n  result: RenderResult\n  type: 'html' | 'json' | 'rsc'\n  generateEtags: boolean\n  poweredByHeader: boolean\n  cacheControl: CacheControl | undefined\n}): Promise<void> {\n  if (isResSent(res)) {\n    return\n  }\n\n  if (poweredByHeader && type === 'html') {\n    res.setHeader('X-Powered-By', 'Next.js')\n  }\n\n  // If cache control is already set on the response we don't\n  // override it to allow users to customize it via next.config\n  if (cacheControl && !res.getHeader('Cache-Control')) {\n    res.setHeader('Cache-Control', getCacheControlHeader(cacheControl))\n  }\n\n  const payload = result.isDynamic ? null : result.toUnchunkedString()\n\n  if (generateEtags && payload !== null) {\n    const etag = generateETag(payload)\n    if (sendEtagResponse(req, res, etag)) {\n      return\n    }\n  }\n\n  if (!res.getHeader('Content-Type')) {\n    res.setHeader(\n      'Content-Type',\n      result.contentType\n        ? result.contentType\n        : type === 'rsc'\n          ? RSC_CONTENT_TYPE_HEADER\n          : type === 'json'\n            ? 'application/json'\n            : 'text/html; charset=utf-8'\n    )\n  }\n\n  if (payload) {\n    res.setHeader('Content-Length', Buffer.byteLength(payload))\n  }\n\n  if (req.method === 'HEAD') {\n    res.end(null)\n    return\n  }\n\n  if (payload !== null) {\n    res.end(payload)\n    return\n  }\n\n  // Pipe the render result to the response after we get a writer for it.\n  await result.pipeToNodeResponse(res)\n}\n"],"names":["isResSent","generateETag","fresh","getCacheControlHeader","RSC_CONTENT_TYPE_HEADER","sendEtagResponse","req","res","etag","setHeader","headers","statusCode","end","sendRenderResult","result","type","generateEtags","poweredByHeader","cacheControl","getHeader","payload","isDynamic","toUnchunkedString","contentType","Buffer","byteLength","method","pipeToNodeResponse"],"mappings":"AAIA,SAASA,SAAS,QAAQ,sBAAqB;AAC/C,SAASC,YAAY,QAAQ,aAAY;AACzC,OAAOC,WAAW,2BAA0B;AAC5C,SAASC,qBAAqB,QAAQ,sBAAqB;AAC3D,SAASC,uBAAuB,QAAQ,0CAAyC;AAEjF,OAAO,SAASC,iBACdC,GAAoB,EACpBC,GAAmB,EACnBC,IAAwB;IAExB,IAAIA,MAAM;QACR;;;;;KAKC,GACDD,IAAIE,SAAS,CAAC,QAAQD;IACxB;IAEA,IAAIN,MAAMI,IAAII,OAAO,EAAE;QAAEF;IAAK,IAAI;QAChCD,IAAII,UAAU,GAAG;QACjBJ,IAAIK,GAAG;QACP,OAAO;IACT;IAEA,OAAO;AACT;AAEA,OAAO,eAAeC,iBAAiB,EACrCP,GAAG,EACHC,GAAG,EACHO,MAAM,EACNC,IAAI,EACJC,aAAa,EACbC,eAAe,EACfC,YAAY,EASb;IACC,IAAIlB,UAAUO,MAAM;QAClB;IACF;IAEA,IAAIU,mBAAmBF,SAAS,QAAQ;QACtCR,IAAIE,SAAS,CAAC,gBAAgB;IAChC;IAEA,2DAA2D;IAC3D,6DAA6D;IAC7D,IAAIS,gBAAgB,CAACX,IAAIY,SAAS,CAAC,kBAAkB;QACnDZ,IAAIE,SAAS,CAAC,iBAAiBN,sBAAsBe;IACvD;IAEA,MAAME,UAAUN,OAAOO,SAAS,GAAG,OAAOP,OAAOQ,iBAAiB;IAElE,IAAIN,iBAAiBI,YAAY,MAAM;QACrC,MAAMZ,OAAOP,aAAamB;QAC1B,IAAIf,iBAAiBC,KAAKC,KAAKC,OAAO;YACpC;QACF;IACF;IAEA,IAAI,CAACD,IAAIY,SAAS,CAAC,iBAAiB;QAClCZ,IAAIE,SAAS,CACX,gBACAK,OAAOS,WAAW,GACdT,OAAOS,WAAW,GAClBR,SAAS,QACPX,0BACAW,SAAS,SACP,qBACA;IAEZ;IAEA,IAAIK,SAAS;QACXb,IAAIE,SAAS,CAAC,kBAAkBe,OAAOC,UAAU,CAACL;IACpD;IAEA,IAAId,IAAIoB,MAAM,KAAK,QAAQ;QACzBnB,IAAIK,GAAG,CAAC;QACR;IACF;IAEA,IAAIQ,YAAY,MAAM;QACpBb,IAAIK,GAAG,CAACQ;QACR;IACF;IAEA,uEAAuE;IACvE,MAAMN,OAAOa,kBAAkB,CAACpB;AAClC"}