Class: Tina4::RackApp

Inherits:
Object
  • Object
show all
Defined in:
lib/tina4/rack_app.rb

Constant Summary collapse

STATIC_DIRS = 
%w[public src/public src/assets assets].freeze
CORS_HEADERS =

Pre-built frozen responses for zero-allocation fast paths

{
  "access-control-allow-origin" => "*",
  "access-control-allow-methods" => "GET, POST, PUT, PATCH, DELETE, OPTIONS",
  "access-control-allow-headers" => "Content-Type, Authorization, Accept",
  "access-control-max-age" => "86400"
}.freeze
OPTIONS_RESPONSE = 
[204, CORS_HEADERS, [""]].freeze

Instance Method Summary collapse

Constructor Details

#initialize(root_dir: Dir.pwd) ⇒ RackApp

Returns a new instance of RackApp.



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# File 'lib/tina4/rack_app.rb', line 18

def initialize(root_dir: Dir.pwd)
  @root_dir = root_dir
  # Pre-compute static roots at boot (not per-request)
  @static_roots = STATIC_DIRS.map { |d| File.join(root_dir, d) }
                              .select { |d| Dir.exist?(d) }
                              .freeze
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/tina4/rack_app.rb', line 26

def call(env)
  method = env["REQUEST_METHOD"]
  path = env["PATH_INFO"] || "/"

  # Fast-path: OPTIONS preflight (zero allocation)
  return OPTIONS_RESPONSE if method == "OPTIONS"

  # Fast-path: API routes skip static file + swagger checks entirely
  unless path.start_with?("/api/")
    # Swagger
    if path == "/swagger" || path == "/swagger/"
      return serve_swagger_ui
    end
    if path == "/swagger/openapi.json"
      return serve_openapi_json
    end

    # Static files (only for non-API paths)
    static_response = try_static(path)
    return static_response if static_response
  end

  # Route matching
  result = Tina4::Router.find_route(path, method)
  if result
    route, path_params = result
    handle_route(env, route, path_params)
  else
    handle_404(path)
  end
rescue => e
  handle_500(e)
end