{"version":3,"sources":["../../../src/server/lib/etag.ts"],"sourcesContent":["/**\n * FNV-1a Hash implementation\n * @author Travis Webb (tjwebb) <me@traviswebb.com>\n *\n * Ported from https://github.com/tjwebb/fnv-plus/blob/master/index.js\n *\n * Simplified, optimized and add modified for 52 bit, which provides a larger hash space\n * and still making use of Javascript's 53-bit integer space.\n */\nexport const fnv1a52 = (str: string) => {\n  const len = str.length\n  let i = 0,\n    t0 = 0,\n    v0 = 0x2325,\n    t1 = 0,\n    v1 = 0x8422,\n    t2 = 0,\n    v2 = 0x9ce4,\n    t3 = 0,\n    v3 = 0xcbf2\n\n  while (i < len) {\n    v0 ^= str.charCodeAt(i++)\n    t0 = v0 * 435\n    t1 = v1 * 435\n    t2 = v2 * 435\n    t3 = v3 * 435\n    t2 += v0 << 8\n    t3 += v1 << 8\n    t1 += t0 >>> 16\n    v0 = t0 & 65535\n    t2 += t1 >>> 16\n    v1 = t1 & 65535\n    v3 = (t3 + (t2 >>> 16)) & 65535\n    v2 = t2 & 65535\n  }\n\n  return (\n    (v3 & 15) * 281474976710656 +\n    v2 * 4294967296 +\n    v1 * 65536 +\n    (v0 ^ (v3 >> 4))\n  )\n}\n\nexport const generateETag = (payload: string, weak = false) => {\n  const prefix = weak ? 'W/\"' : '\"'\n  return (\n    prefix + fnv1a52(payload).toString(36) + payload.length.toString(36) + '\"'\n  )\n}\n"],"names":["fnv1a52","generateETag","str","len","length","i","t0","v0","t1","v1","t2","v2","t3","v3","charCodeAt","payload","weak","prefix","toString"],"mappings":"AAAA;;;;;;;;CAQC;;;;;;;;;;;;;;;IACYA,OAAO;eAAPA;;IAoCAC,YAAY;eAAZA;;;AApCN,MAAMD,UAAU,CAACE;IACtB,MAAMC,MAAMD,IAAIE,MAAM;IACtB,IAAIC,IAAI,GACNC,KAAK,GACLC,KAAK,QACLC,KAAK,GACLC,KAAK,QACLC,KAAK,GACLC,KAAK,QACLC,KAAK,GACLC,KAAK;IAEP,MAAOR,IAAIF,IAAK;QACdI,MAAML,IAAIY,UAAU,CAACT;QACrBC,KAAKC,KAAK;QACVC,KAAKC,KAAK;QACVC,KAAKC,KAAK;QACVC,KAAKC,KAAK;QACVH,MAAMH,MAAM;QACZK,MAAMH,MAAM;QACZD,MAAMF,OAAO;QACbC,KAAKD,KAAK;QACVI,MAAMF,OAAO;QACbC,KAAKD,KAAK;QACVK,KAAK,AAACD,KAAMF,CAAAA,OAAO,EAAC,IAAM;QAC1BC,KAAKD,KAAK;IACZ;IAEA,OACE,AAACG,CAAAA,KAAK,EAAC,IAAK,kBACZF,KAAK,aACLF,KAAK,QACJF,CAAAA,KAAMM,MAAM,CAAC;AAElB;AAEO,MAAMZ,eAAe,CAACc,SAAiBC,OAAO,KAAK;IACxD,MAAMC,SAASD,OAAO,QAAQ;IAC9B,OACEC,SAASjB,QAAQe,SAASG,QAAQ,CAAC,MAAMH,QAAQX,MAAM,CAACc,QAAQ,CAAC,MAAM;AAE3E","ignoreList":[0]}