writing-graphql-operations

SKILL.md

Guide the creation and maintenance of GraphQL operations following project conventions for type safety, organization, error handling, and testing.

| urql | GraphQL client with caching | | gql.tada | Type-safe GraphQL with TypeScript inference | | @urql/exchange-auth | Authentication handling | | @urql/exchange-retry | Rate limiting and retry logic |

| CombinedError | Network/GraphQL errors | GraphQLError.fromCombinedError() | | errors array | Mutation validation errors | Check result.data?.mutation?.errors | | Rate limit (429) | Too many requests | Automatic retry via exchange | | Auth error | Invalid/expired token | Re-authenticate |

Creates GraphQL queries and mutations using gql.tada and urql. Implements repository pattern with type-safe operations and error handling. Triggers on: GraphQL query, GraphQL mutation, gql.tada, urql client, Saleor API, fragments, repository pattern, fetch-schema, MSW mocks. Source: saleor/configurator.

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