Function fastify

fastify.js:89–850

* @param {import('./fastify.js').FastifyServerOptions} serverOptions

(serverOptions)

 * @param {import('./fastify.js').FastifyServerOptions} serverOptions
 */
function fastify (serverOptions) {
  const {
    options,
    genReqId,
    disableRequestLogging,
    hasLogger,
    initialConfig
  } = processOptions(serverOptions, defaultRoute, onBadUrl, onMaxParamLength)

  // 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'
      ])