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Version: latest (v4.26.x)

Index

Core Documents​

For the full table of contents (TOC), see below. The following list is a subset of the full TOC that detail core Fastify APIs and concepts in order of most likely importance to the reader:

  • Server: Documents the core Fastify API. Includes documentation for the factory function and the object returned by the factory function.
  • Lifecycle: Explains the Fastify request lifecycle and illustrates where Hooks are available for integrating with it.
  • Routes: Details how to register routes with Fastify and how Fastify builds and evaluates the routing trie.
  • Request: Details Fastify's request object that is passed into each request handler.
  • Reply: Details Fastify's response object available to each request handler.
  • Validation and Serialization: Details Fastify's support for validating incoming data and how Fastify serializes data for responses.
  • Plugins: Explains Fastify's plugin architecture and API.
  • Encapsulation: Explains a core concept upon which all Fastify plugins are built.
  • Decorators: Explains the server, request, and response decorator APIs.
  • Hooks: Details the API by which Fastify plugins can inject themselves into Fastify's handling of the request lifecycle.

Reference Documentation Table Of Contents​

This table of contents is in alphabetical order.

  • Content Type Parser: Documents Fastify's default content type parser and how to add support for new content types.
  • Decorators: Explains the server, request, and response decorator APIs.
  • Encapsulation: Explains a core concept upon which all Fastify plugins are built.
  • Errors: Details how Fastify handles errors and lists the standard set of errors Fastify generates.
  • Hooks: Details the API by which Fastify plugins can inject themselves into Fastify's handling of the request lifecycle.
  • HTTP2: Details Fastify's HTTP2 support.
  • Lifecycle: Explains the Fastify request lifecycle and illustrates where Hooks are available for integrating with it.
  • Logging: Details Fastify's included logging and how to customize it.
  • Long Term Support: Explains Fastify's long term support (LTS) guarantee and the exceptions possible to the semver contract.
  • Middleware: Details Fastify's support for Express.js style middleware.
  • Plugins: Explains Fastify's plugin architecture and API.
  • Reply: Details Fastify's response object available to each request handler.
  • Request: Details Fastify's request object that is passed into each request handler.
  • Routes: Details how to register routes with Fastify and how Fastify builds and evaluates the routing trie.
  • Server: Documents the core Fastify API. Includes documentation for the factory function and the object returned by the factory function.
  • TypeScript: Documents Fastify's TypeScript support and provides recommendations for writing applications in TypeScript that utilize Fastify.
  • Validation and Serialization: Details Fastify's support for validating incoming data and how Fastify serializes data for responses.
  • Warnings: Details the warnings Fastify emits and how to solve them.