@collight/dns-sd/dist/cjs/utils/ServiceType.cjs.map

A DNS Service Discovery implementation in modern TypeScript

{"version":3,"file":"ServiceType.cjs","sources":["../../../src/utils/ServiceType.ts"],"sourcesContent":["// MARK: ServiceType\n/**\n * Represents a network service type with optional protocol and subtype.\n */\nexport class ServiceType {\n  readonly name?: string;\n  readonly protocol?: string;\n  readonly subtype?: string;\n\n  constructor(name?: string, protocol?: string, subtype?: string) {\n    this.name = name;\n    this.protocol = protocol;\n    this.subtype = subtype;\n  }\n\n  /**\n   * Parses a service type string into a ServiceType instance.\n   *\n   * Expected formats include:\n   * - \"_http._tcp\"\n   * - \"_printer._sub._http._tcp\" (a subtype \"printer\" of \"_http._tcp\")\n   *\n   * @param {string} input - The service type string to parse.\n   * @returns {ServiceType} The parsed ServiceType instance.\n   *\n   * @example\n   * ServiceType.fromString('_http._tcp');\n   * // { name: \"http\", protocol: \"tcp\", subtype: undefined }\n   *\n   * ServiceType.fromString('_printer._sub._http._tcp');\n   * // { name: \"http\", protocol: \"tcp\", subtype: \"printer\" }\n   *\n   * @see {@link https://datatracker.ietf.org/doc/html/rfc6763#section-7.1 | RFC 6763 §7.1 Selective Instance Enumeration (Subtypes)}\n   */\n  static fromString(input: string): ServiceType {\n    if (!input) throw new Error('Service type string is empty');\n\n    let parts = input.split('.').map(p => p.trim());\n\n    // Remove leading underscores from each part\n    parts = parts.map(part => (part.startsWith('_') ? part.slice(1) : part));\n\n    // Look for 'sub' marker and extract subtype accordingly\n    let subtype: string | undefined;\n    const subIndex = parts.indexOf('sub');\n\n    let name: string | undefined;\n    let protocol: string | undefined;\n\n    if (subIndex !== -1) {\n      // subtype is the part before 'sub'\n      if (subIndex === 0) {\n        throw new Error('Invalid service type: \"sub\" cannot be first element');\n      }\n      subtype = parts[subIndex - 1];\n      // name and protocol are after 'sub'\n      name = parts[subIndex + 1];\n      protocol = parts[subIndex + 2];\n    } else {\n      // no subtype: assume first two parts are name and protocol\n      name = parts[0];\n      protocol = parts[1];\n    }\n\n    if (name === undefined || protocol === undefined) {\n      throw new Error('Invalid service type format: missing name or protocol');\n    }\n\n    return new ServiceType(name, protocol, subtype);\n  }\n\n  /**\n   * Serializes the ServiceType instance into a string following DNS-SD format.\n   *\n   * @returns {string} The serialized service type string.\n   *\n   * @example\n   * const svc = new ServiceType('http', 'tcp');\n   * console.log(svc.toString()); // _http._tcp\n   *\n   * const svcWithSubtype = new ServiceType('http', 'tcp', 'printer');\n   * console.log(svcWithSubtype.toString()); // _printer._sub._http._tcp\n   */\n  toString(): string {\n    const parts: string[] = [];\n\n    if (this.subtype !== undefined) {\n      parts.push(`_${this.subtype}`);\n      parts.push('_sub');\n    }\n\n    if (this.name !== undefined) parts.push(`_${this.name}`);\n    if (this.protocol !== undefined) parts.push(`_${this.protocol}`);\n\n    return parts.join('.');\n  }\n}\n"],"names":["ServiceType","name","protocol","subtype","input","parts","p","part","subIndex"],"mappings":"gFAIO,MAAMA,CAAY,CAKvB,YAAYC,EAAeC,EAAmBC,EAAkB,CAC9D,KAAK,KAAOF,EACZ,KAAK,SAAWC,EAChB,KAAK,QAAUC,CACjB,CAqBA,OAAO,WAAWC,EAA4B,CAC5C,GAAI,CAACA,EAAO,MAAM,IAAI,MAAM,8BAA8B,EAE1D,IAAIC,EAAQD,EAAM,MAAM,GAAG,EAAE,IAAIE,GAAKA,EAAE,MAAM,EAG9CD,EAAQA,EAAM,IAAIE,GAASA,EAAK,WAAW,GAAG,EAAIA,EAAK,MAAM,CAAC,EAAIA,CAAK,EAGvE,IAAIJ,EACJ,MAAMK,EAAWH,EAAM,QAAQ,KAAK,EAEpC,IAAIJ,EACAC,EAEJ,GAAIM,IAAa,GAAI,CAEnB,GAAIA,IAAa,EACf,MAAM,IAAI,MAAM,qDAAqD,EAEvEL,EAAUE,EAAMG,EAAW,CAAC,EAE5BP,EAAOI,EAAMG,EAAW,CAAC,EACzBN,EAAWG,EAAMG,EAAW,CAAC,CAC/B,MAEEP,EAAOI,EAAM,CAAC,EACdH,EAAWG,EAAM,CAAC,EAGpB,GAAIJ,IAAS,QAAaC,IAAa,OACrC,MAAM,IAAI,MAAM,uDAAuD,EAGzE,OAAO,IAAIF,EAAYC,EAAMC,EAAUC,CAAO,CAChD,CAcA,UAAmB,CACjB,MAAME,EAAkB,CAAA,EAExB,OAAI,KAAK,UAAY,SACnBA,EAAM,KAAK,IAAI,KAAK,OAAO,EAAE,EAC7BA,EAAM,KAAK,MAAM,GAGf,KAAK,OAAS,QAAWA,EAAM,KAAK,IAAI,KAAK,IAAI,EAAE,EACnD,KAAK,WAAa,QAAWA,EAAM,KAAK,IAAI,KAAK,QAAQ,EAAE,EAExDA,EAAM,KAAK,GAAG,CACvB,CACF"}