fastify() — fastify Function Reference

Architecture documentation for the fastify() function in fastify.js from the fastify codebase.

Function javascript CoreKernel InstanceFactory calls 2 called by 2

Entity Profile

CoreKernel→ InstanceFactory→ fastify() — fastify Function Reference

Dependency Diagram

graph TD
  54cbea5e_a399_a298_5819_f2791a26c65c["fastify()"]
  2bf9986b_b7fb_0c78_f075_72fbe6f4672b["fastify.js"]
  54cbea5e_a399_a298_5819_f2791a26c65c -->|defined in| 2bf9986b_b7fb_0c78_f075_72fbe6f4672b
  3dc845e9_dc76_1836_b31f_7f87530ebe7f["hasSymbolDisposeWithUsing()"]
  3dc845e9_dc76_1836_b31f_7f87530ebe7f -->|calls| 54cbea5e_a399_a298_5819_f2791a26c65c
  45e19c0a_281f_4d9e_d80e_a0f033de06ce["hasSymbolDispose()"]
  45e19c0a_281f_4d9e_d80e_a0f033de06ce -->|calls| 54cbea5e_a399_a298_5819_f2791a26c65c
  61ade40f_2777_d754_2bed_3fac253432e5["processOptions()"]
  54cbea5e_a399_a298_5819_f2791a26c65c -->|calls| 61ade40f_2777_d754_2bed_3fac253432e5
  3d7f2bcf_c0e7_8919_8897_bf3c3c6a3428["validateSchemaErrorFormatter()"]
  54cbea5e_a399_a298_5819_f2791a26c65c -->|calls| 3d7f2bcf_c0e7_8919_8897_bf3c3c6a3428
  style 54cbea5e_a399_a298_5819_f2791a26c65c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

fastify.js lines 87–820

function fastify (serverOptions) {
  const {
    options,
    genReqId,
    disableRequestLogging,
    hasLogger,
    initialConfig
  } = processOptions(serverOptions, defaultRoute, onBadUrl)

  // Default router
  const router = buildRouting(options.routerOptions)

  // 404 router, used for handling encapsulated 404 handlers
  const fourOhFour = build404(options)

  // HTTP server and its handler
  const httpHandler = wrapRouting(router, options)

  const {
    server,
    listen,
    forceCloseConnections,
    serverHasCloseAllConnections,
    serverHasCloseHttp2Sessions,
    keepAliveConnections
  } = createServer(options, httpHandler)

  const setupResponseListeners = Reply.setupResponseListeners
  const schemaController = SchemaController.buildSchemaController(null, options.schemaController)

  // Public API
  const fastify = {
    // Fastify internals
    [kState]: {
      listening: false,
      closing: false,
      started: false,
      ready: false,
      booting: false,
      aborted: false,
      readyResolver: null
    },
    [kKeepAliveConnections]: keepAliveConnections,
    [kSupportedHTTPMethods]: {
      bodyless: new Set([
        // Standard
        'GET',
        'HEAD',
        'TRACE'
      ]),
      bodywith: new Set([
        // Standard
        'DELETE',
        'OPTIONS',
        'PATCH',
        'PUT',
        'POST'
      ])
    },
    [kOptions]: options,
    [kChildren]: [],
    [kServerBindings]: [],
    [kBodyLimit]: options.bodyLimit,
    [kRoutePrefix]: '',
    [kLogLevel]: '',
    [kLogSerializers]: null,
    [kHooks]: new Hooks(),
    [kSchemaController]: schemaController,
    [kSchemaErrorFormatter]: null,
    [kErrorHandler]: buildErrorHandler(),
    [kErrorHandlerAlreadySet]: false,
    [kChildLoggerFactory]: options.childLoggerFactory || defaultChildLoggerFactory,
    [kReplySerializerDefault]: null,
    [kContentTypeParser]: new ContentTypeParser(
      options.bodyLimit,
      (options.onProtoPoisoning || defaultInitOptions.onProtoPoisoning),
      (options.onConstructorPoisoning || defaultInitOptions.onConstructorPoisoning)
    ),
    [kReply]: Reply.buildReply(Reply),
    [kRequest]: Request.buildRequest(Request, options.trustProxy),
    [kFourOhFour]: fourOhFour,