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1.1 KiB
1.1 KiB
presenter
Shared Go library for GraphQL error presentation with coded errors.
Shared Documentation
@../docs/claude/architecture.md @../docs/claude/go-services.md @../docs/claude/graphql.md @../docs/claude/conventions.md
Library Information
Purpose
Provides a standardized GraphQL error presenter that handles coded errors across all microservices. Converts internal error codes to GraphQL error extensions.
Usage
import "git.unbound.se/shiny/presenter"
// Create error presenter with valid codes and entities
errorPresenter := presenter.New(logger, validCodes, validEntities, internalErrorCode)
// Use in gqlgen server config
srv := handler.NewDefaultServer(generated.NewExecutableSchema(cfg))
srv.SetErrorPresenter(errorPresenter)
Key Types
CodedError- Error type with code, entity, and paramsCode- Error code typeEntity- Error entity type
Error Extensions
Errors are presented with extensions:
code- The error code (mapped to valid codes or internal error)errorEntity- The entity related to the error (optional)params- Additional error parameters (optional)