vhost-ts/dist/index.modern.mjs.map

vhost fork made with typescript

{"version":3,"file":"index.modern.mjs","sources":["../src/index.ts"],"sourcesContent":["type vhostPopulation = {\n  host: string;\n  hostname: string;\n  length: number;\n  [n: number]: string | undefined;\n};\n\ndeclare global {\n  namespace Express {\n    interface Request {\n      vhost: vhostPopulation;\n    }\n  }\n}\n\nimport { Request, RequestHandler } from \"express\";\n\nconst ASTERISK_REGEXP = /\\*/g;\nconst ASTERISK_REPLACE = \"([^.]+)\";\nconst END_ANCHORED_REGEXP = /(?:^|[^\\\\])(?:\\\\\\\\)*\\$$/;\nconst ESCAPE_REGEXP = /([.+?^=!:${}()|[\\]/\\\\])/g;\nconst ESCAPE_REPLACE = \"\\\\$1\";\n\n/**\n * Create a vhost middleware.\n *\n * @param {string|RegExp} hostname\n * @param {function} handle\n * @return {Function}\n * @public\n */\n\nexport default (\n  hostname: string | RegExp,\n  handle: RequestHandler\n): RequestHandler => {\n  if (!hostname) {\n    throw new TypeError(\"argument hostname is required\");\n  }\n\n  if (!handle) {\n    throw new TypeError(\"argument handle is required\");\n  }\n\n  if (typeof handle !== \"function\") {\n    throw new TypeError(\"argument handle must be a function\");\n  }\n\n  // create regular expression for hostname\n  const regexp = hostregexp(hostname);\n\n  const vhost: RequestHandler = (req, res, next) => {\n    const vhostdata = vhostof(req, regexp);\n\n    if (!vhostdata) {\n      return next();\n    }\n\n    // populate\n    req.vhost = vhostdata;\n\n    // handle\n    handle(req, res, next);\n  };\n\n  return vhost;\n};\n\n/**\n * Get hostname of request.\n *\n * @param (object} req\n * @return {string}\n * @private\n */\n\nfunction hostnameof(req: Request): string | undefined {\n  const host =\n    req.hostname || // express v4\n    req.host || // express v3\n    req.headers.host; // http;\n\n  if (!host) {\n    return;\n  }\n\n  const offset = host[0] === \"[\" ? host.indexOf(\"]\") + 1 : 0;\n  const index = host.indexOf(\":\", offset);\n\n  return index !== -1 ? host.substring(0, index) : host;\n}\n\n/**\n * Generate RegExp for given hostname value.\n *\n * @param (string|RegExp} val\n * @private\n */\n\nfunction hostregexp(val: string | RegExp) {\n  let source =\n    val instanceof RegExp\n      ? val.source\n      : String(val)\n          .replace(ESCAPE_REGEXP, ESCAPE_REPLACE)\n          .replace(ASTERISK_REGEXP, ASTERISK_REPLACE);\n\n  // force leading anchor matching\n  if (source[0] !== \"^\") {\n    source = \"^\" + source;\n  }\n\n  // force trailing anchor matching\n  if (!END_ANCHORED_REGEXP.test(source)) {\n    source += \"$\";\n  }\n\n  return new RegExp(source, \"i\");\n}\n\n/**\n * Get the vhost data of the request for RegExp\n *\n * @param (object} req\n * @param (RegExp} regexp\n * @return {object}\n * @private\n */\n\nfunction vhostof(req: Request, regexp: RegExp): vhostPopulation | undefined {\n  const host = req.headers.host;\n  const hostname = hostnameof(req);\n\n  if (!host || !hostname) {\n    return;\n  }\n\n  const match = regexp.exec(hostname);\n\n  if (!match) {\n    return;\n  }\n\n  const matches: { [n: number]: string } = {};\n\n  for (let i = 1; i < match.length; i++) {\n    matches[i - 1] = match[i];\n  }\n  return {\n    host,\n    hostname,\n    length: match.length - 1,\n    ...matches,\n  };\n}\n"],"names":["ASTERISK_REGEXP","ASTERISK_REPLACE","END_ANCHORED_REGEXP","ESCAPE_REGEXP","ESCAPE_REPLACE","hostname","handle","TypeError","regexp","hostregexp","vhost","req","res","next","vhostdata","vhostof","hostnameof","host","headers","offset","indexOf","index","substring","val","source","RegExp","String","replace","test","match","exec","matches","i","length"],"mappings":";;;;;;;;;;;;;;;;;;AAiBA,MAAMA,eAAe,GAAG,KAAxB;AACA,MAAMC,gBAAgB,GAAG,SAAzB;AACA,MAAMC,mBAAmB,GAAG,yBAA5B;AACA,MAAMC,aAAa,GAAG,0BAAtB;AACA,MAAMC,cAAc,GAAG,MAAvB;AAWA,aAAe,CACbC,QADa,EAEbC,MAFa;MAIT,CAACD,QAAL,EAAe;UACP,IAAIE,SAAJ,CAAc,+BAAd,CAAN;;;MAGE,CAACD,MAAL,EAAa;UACL,IAAIC,SAAJ,CAAc,6BAAd,CAAN;;;MAGE,OAAOD,MAAP,KAAkB,UAAtB,EAAkC;UAC1B,IAAIC,SAAJ,CAAc,oCAAd,CAAN;;;QAIIC,MAAM,GAAGC,UAAU,CAACJ,QAAD,CAAzB;;QAEMK,KAAK,GAAmB,CAACC,GAAD,EAAMC,GAAN,EAAWC,IAAX;UACtBC,SAAS,GAAGC,OAAO,CAACJ,GAAD,EAAMH,MAAN,CAAzB;;QAEI,CAACM,SAAL,EAAgB;aACPD,IAAI,EAAX;;;IAIFF,GAAG,CAACD,KAAJ,GAAYI,SAAZ;IAGAR,MAAM,CAACK,GAAD,EAAMC,GAAN,EAAWC,IAAX,CAAN;GAXF;;SAcOH,KAAP;CAjCF;;AA4CA,SAASM,UAAT,CAAoBL,GAApB;QACQM,IAAI,GACRN,GAAG,CAACN,QAAJ,IACAM,GAAG,CAACM,IADJ,IAEAN,GAAG,CAACO,OAAJ,CAAYD,IAHd;;MAKI,CAACA,IAAL,EAAW;;;;QAILE,MAAM,GAAGF,IAAI,CAAC,CAAD,CAAJ,KAAY,GAAZ,GAAkBA,IAAI,CAACG,OAAL,CAAa,GAAb,IAAoB,CAAtC,GAA0C,CAAzD;QACMC,KAAK,GAAGJ,IAAI,CAACG,OAAL,CAAa,GAAb,EAAkBD,MAAlB,CAAd;SAEOE,KAAK,KAAK,CAAC,CAAX,GAAeJ,IAAI,CAACK,SAAL,CAAe,CAAf,EAAkBD,KAAlB,CAAf,GAA0CJ,IAAjD;;;AAUF,SAASR,UAAT,CAAoBc,GAApB;MACMC,MAAM,GACRD,GAAG,YAAYE,MAAf,GACIF,GAAG,CAACC,MADR,GAEIE,MAAM,CAACH,GAAD,CAAN,CACGI,OADH,CACWxB,aADX,EAC0BC,cAD1B,EAEGuB,OAFH,CAEW3B,eAFX,EAE4BC,gBAF5B,CAHN;;MAQIuB,MAAM,CAAC,CAAD,CAAN,KAAc,GAAlB,EAAuB;IACrBA,MAAM,GAAG,MAAMA,MAAf;;;MAIE,CAACtB,mBAAmB,CAAC0B,IAApB,CAAyBJ,MAAzB,CAAL,EAAuC;IACrCA,MAAM,IAAI,GAAV;;;SAGK,IAAIC,MAAJ,CAAWD,MAAX,EAAmB,GAAnB,CAAP;;;AAYF,SAAST,OAAT,CAAiBJ,GAAjB,EAA+BH,MAA/B;QACQS,IAAI,GAAGN,GAAG,CAACO,OAAJ,CAAYD,IAAzB;QACMZ,QAAQ,GAAGW,UAAU,CAACL,GAAD,CAA3B;;MAEI,CAACM,IAAD,IAAS,CAACZ,QAAd,EAAwB;;;;QAIlBwB,KAAK,GAAGrB,MAAM,CAACsB,IAAP,CAAYzB,QAAZ,CAAd;;MAEI,CAACwB,KAAL,EAAY;;;;QAINE,OAAO,GAA4B,EAAzC;;OAEK,IAAIC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGH,KAAK,CAACI,MAA1B,EAAkCD,CAAC,EAAnC,EAAuC;IACrCD,OAAO,CAACC,CAAC,GAAG,CAAL,CAAP,GAAiBH,KAAK,CAACG,CAAD,CAAtB;;;;IAGAf,IADF;IAEEZ,QAFF;IAGE4B,MAAM,EAAEJ,KAAK,CAACI,MAAN,GAAe;KACpBF,OAJL;;;;;"}