Page 10 - GraphQl

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Testing Magento GraphQL Resolvers with PHPUnit Without Building the Full Schema

Maxim Mironjuk - May 10, 2025

Magento GraphQL resolvers implement a simple, well-defined interface that can be tested directly with PHPUnit, without ever building the complete schema, once field resolution and data fetching are cleanly separated.

React GraphQl

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Relay vs. Apollo Client: When Relay's Strict Conventions Pay Off

Maxim Mironjuk - May 04, 2025

Relay enforces strict naming conventions, fragment colocation and a fixed connection specification for pagination through its own compiler. Apollo Client skips that enforcement and stays more flexible, but also less predictable as a team grows. This article shows when Relay's learning curve genuinely pays off.

Magento GraphQl

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Writing Custom GraphQL Mutations in Magento 2

Maxim Mironjuk - April 23, 2025

A custom GraphQL mutation in Magento 2 is more than a new endpoint: it ties schema declaration, resolver logic, validation, transaction safety and cache invalidation together into one consistent whole. Anyone who separates these building blocks cleanly ends up with a mutation that feels like a native Magento feature and runs reliably in production storefronts.

GraphQl Design Patterns

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GraphQL and Event Sourcing/CQRS: Read Models as a GraphQL Schema

Maxim Mironjuk - April 23, 2025

When the write side of a system lives in an event store, the read side does not have to use the same data model. GraphQL and event sourcing fit together surprisingly well, because GraphQL queries deliver exactly what CQRS read models need, flexible, projection-based queries without ever touching the event stream itself.

GraphQl Testing/E2E

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Contract Testing for GraphQL APIs with Mock Schemas

Maxim Mironjuk - April 15, 2025

A GraphQL schema is already a machine-readable contract between frontend and backend. A mock schema makes that contract executable: frontend teams build against realistic test data long before the backend is finished, and breaking changes surface automatically instead of in production.

Magento GraphQl

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Magento GraphQL Fundamentals: Architecture, Schema and Resolver Chains

Maxim Mironjuk - April 12, 2025

Magento GraphQL is not a simple API add-on, but a modular system that merges schema files from every active module, builds resolver chains and provides context objects for store, locale and authentication. Anyone who understands this system can build their own queries and extend existing resolvers with precision.

Magento GraphQl

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Avoiding Breaking Changes in GraphQL: Deprecations and Evolution

Maxim Mironjuk - April 05, 2025

Anyone who changes a GraphQL schema without knowing the existing clients risks silent breakage in the frontend. Additive evolution, structured deprecations, and automated schema diffs with GraphQL Inspector make schema changes predictable instead of random.

Magento GraphQl PHPUnit REST-API Security/OWASP Testing/E2E

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Production-Ready GraphQL Checklist: Performance, Testing, Security, Tooling

Maxim Mironjuk - March 31, 2025

A GraphQL API that works in development mode is not yet a production-ready API. Performance traps, security gaps and missing observability only surface under load, exactly when there is little room to react. This checklist closes those gaps before they become a problem.

Magento GraphQl PHPUnit Testing/E2E

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GraphQL Testing: Queries, Snapshots and Contract Tests

Maxim Mironjuk - March 31, 2025

GraphQL APIs without systematic tests are fragile: every schema change can silently break frontends. Query tests, snapshots, and contract tests together form a testing layer that catches regressions early and keeps frontend contracts stable over the long run.

GraphQl TypeScript

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GraphQL Code Generator Config In Depth: Types, Hooks and Fragments

Maxim Mironjuk - March 30, 2025

The default codegen.yml from the quickstart barely covers half of what GraphQL Code Generator can actually do. Custom scalars, fragment masking and the near-operation-file preset decide whether generated code is a joy or a burden.