handler() — fastify Function Reference

Architecture documentation for the handler() function in handle-request.js from the fastify codebase.

Function javascript CoreKernel LifecycleManager calls 1 called by 2

Entity Profile

CoreKernel→ LifecycleManager→ handler() — fastify Function Reference

Dependency Diagram

graph TD
  060f474d_3ec6_ccf3_5b20_c7c0bafc7898["handler()"]
  5f4e2742_950b_3da4_4ca3_7033016d7828["handle-request.js"]
  060f474d_3ec6_ccf3_5b20_c7c0bafc7898 -->|defined in| 5f4e2742_950b_3da4_4ca3_7033016d7828
  0ea45009_d84c_8153_c668_66d7b8130f86["handleRequest()"]
  0ea45009_d84c_8153_c668_66d7b8130f86 -->|calls| 060f474d_3ec6_ccf3_5b20_c7c0bafc7898
  24aeb44c_b4f6_170d_7d02_2fc8213613f0["preHandlerCallbackInner()"]
  24aeb44c_b4f6_170d_7d02_2fc8213613f0 -->|calls| 060f474d_3ec6_ccf3_5b20_c7c0bafc7898
  7572f912_c1b1_90a5_aa92_ccc1f36a0010["preValidationCallback()"]
  060f474d_3ec6_ccf3_5b20_c7c0bafc7898 -->|calls| 7572f912_c1b1_90a5_aa92_ccc1f36a0010
  style 060f474d_3ec6_ccf3_5b20_c7c0bafc7898 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

lib/handle-request.js lines 68–83

function handler (request, reply) {
  try {
    if (request[kRouteContext].preValidation !== null) {
      preValidationHookRunner(
        request[kRouteContext].preValidation,
        request,
        reply,
        preValidationCallback
      )
    } else {
      preValidationCallback(null, request, reply)
    }
  } catch (err) {
    preValidationCallback(err, request, reply)
  }
}