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Extension Points

Most VEF extension points are explicit FX groups.

API and app groups​

  • vef:api:resources
  • vef:app:middlewares

Helpers:

  • vef.ProvideAPIResource(...)
  • vef.ProvideMiddleware(...)

Minimal module example​

var Module = vef.Module(
  "app:user",
  vef.ProvideAPIResource(NewUserResource),
  vef.ProvideMiddleware(NewAuditMiddleware),
)

API parameter injection​

  • vef:api:handler_param_resolvers
  • vef:api:factory_param_resolvers

These extend request-time and startup-time handler injection.

CQRS​

  • vef:cqrs:behaviors

Helper:

  • vef.ProvideCQRSBehavior(...)

Security​

  • vef:security:challenge_providers

Helper:

  • vef.ProvideChallengeProvider(...)

SPA​

  • vef:spa

Helpers:

  • vef.ProvideSPAConfig(...)
  • vef.SupplySPAConfigs(...)

MCP​

  • vef:mcp:tools
  • vef:mcp:resources
  • vef:mcp:templates
  • vef:mcp:prompts

Helpers:

  • vef.ProvideMCPTools(...)
  • vef.ProvideMCPResources(...)
  • vef.ProvideMCPResourceTemplates(...)
  • vef.ProvideMCPPrompts(...)
  • vef.SupplyMCPServerInfo(...)

See also​