Page 5 - GraphQL

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OpenSearch and Magento GraphQL: How Search Really Works Together

Maxim Mironjuk - March 10, 2025

When a Magento GraphQL product search is slow, the problem is rarely in the GraphQL layer itself. It is almost always in how search requests get routed through resolvers to OpenSearch, and whether indexing, filter mapping and sorting are configured correctly.

Magento GraphQl Security/OWASP

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GraphQL Error Handling: Separating Business Errors, Transport Errors and Extensions

Maxim Mironjuk - February 28, 2025

GraphQL has no HTTP equivalent for business errors. Anyone who models business errors as resolver exceptions, fails to distinguish transport errors from network problems, and ignores extensions.category ends up with error handling that forces the frontend to react to heuristics instead of structure.

JavaScript React GraphQl Testing/E2E

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GraphQL Mocking for Frontend and API Tests

Maxim Mironjuk - February 24, 2025

Without mocking, an unfinished backend endpoint blocks the entire frontend development effort. GraphQL mocking at the schema level makes frontend teams independent, enables testing of error scenarios, and significantly speeds up the development cycle.

Magento GraphQl REST-API Security/OWASP Testing/E2E

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GraphQL Security Review: Depth Limits, Complexity Limits, Introspection, Abuse Cases

Maxim Mironjuk - February 23, 2025

Without additional protective measures, GraphQL APIs are vulnerable to overloaded queries, introspection attacks, batching DoS, and data leaks through resolvers that are too permissive. This security review shows concrete attack scenarios and the matching countermeasures.

Magento GraphQl

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Magento GraphQL and EAV: What Product Queries Really Cost

Maxim Mironjuk - February 18, 2025

A Magento GraphQL product query that looks simple can internally trigger dozens of SQL joins across EAV tables. Anyone who does not understand how the Entity-Attribute-Value model works ends up optimizing the wrong thing. This article explains why EAV is expensive, which measures actually help, and where the limits are.

Magento GraphQl

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Preparing Magento Modules for GraphQL: Sensible Structure and File Layout

Maxim Mironjuk - February 04, 2025

Making a custom Magento module GraphQL-ready sounds simple, yet it often fails because of missing structure: misplaced schema files, resolvers without clear delegation, di.xml entries that never take effect. This article shows what the file layout should look like and why convention matters more here than creativity.

Magento GraphQl PHPUnit Security/OWASP Testing/E2E

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Field-Level Permissions: Securing Sensitive Data in GraphQL

Maxim Mironjuk - January 21, 2025

GraphQL authorization does not end at the query check. Sensitive fields such as email addresses, order histories, and admin-specific data must be secured at the field level, inside the resolver context, not just in the schema. This article shows how that works in practice.

Magento GraphQl

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Caching in GraphQL: HTTP, Persisted Queries, Response Cache, Edge Caching

Maxim Mironjuk - January 20, 2025

GraphQL sends queries as a POST request to a single endpoint, which makes standard HTTP caching harder than in REST. Anyone who takes GraphQL performance seriously needs to understand every caching layer: Persisted Queries for HTTP caching, resolver-level response cache, and CDN edge caching for non-personalized content.

Magento JavaScript React Vue.js GraphQl

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GraphQL in Headless Frontends: Magento with React, Vue or Next.js

Maxim Mironjuk - January 16, 2025

Headless commerce with Magento GraphQL promises flexibility. In practice, Apollo Client configuration, type-safe code generation, SSR/SSG caching and fragment design decide whether the frontend stays fast and maintainable or turns into a complexity trap.

Magento GraphQl Security/OWASP

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Introspection, SDL and Schema Registry in Teams

Maxim Mironjuk - January 11, 2025

In many GraphQL projects, the schema is the only contract between frontend and backend teams, yet nobody takes responsibility for versioning, sharing or reviewing it. Introspection, SDL and schema registries are the three building blocks that let teams turn the schema into a genuine single source of truth.