Page 11 - GraphQl

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Analyzing GraphQL Queries in Magento with Browser DevTools and Logs

Maxim Mironjuk - March 26, 2025

When a Magento page fails to load or shows wrong data, the problem often lies in a GraphQL query, but where exactly? Browser DevTools, Magento logs and dedicated GraphQL clients form the complete debugging stack.

Magento GraphQl

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GraphQL Subscriptions and Realtime: Concepts, Practice, and the Magento Context

Maxim Mironjuk - March 23, 2025

GraphQL subscriptions enable realtime communication over persistent connections, but they come with substantial scaling and infrastructure requirements. This article explains the concept, the transport options, the design decisions, and when subscriptions are actually the right choice.

React GraphQl

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GraphQL Fragments: Organizing Reusable Query Building Blocks

Maxim Mironjuk - March 19, 2025

A page query that lists every field for ten components in one block turns into a merge conflict magnet with every change. GraphQL fragments break queries into named, reusable building blocks that live right next to the component consuming them, solving maintainability problems that become unavoidable as an application grows.

GraphQl Security/OWASP

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GraphQL Persisted Mutations: Security for Write Operations

Maxim Mironjuk - March 17, 2025

A publicly reachable GraphQL endpoint that accepts arbitrary mutations is an open door for data manipulation, spam, and automated attacks. GraphQL persisted mutations close this gap by only allowing execution of a server-side pre-approved list of operations, everything else gets rejected before a single resolver ever runs.

GraphQl

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GraphQL Playground Alternatives: GraphiQL 2 vs. Apollo Sandbox

Maxim Mironjuk - March 16, 2025

The original GraphQL Playground from Prisma has been archived for years and no longer receives updates, yet it still runs as the default explorer in many projects. Anyone looking for a solid GraphQL Playground alternative today almost always ends up at GraphiQL 2 or Apollo Sandbox, two tools with different philosophies around auth handling, team collaboration and self-hosting.

React GraphQl

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Apollo Client Cache: Normalization and Update Strategies

Maxim Mironjuk - March 14, 2025

The Apollo Client Cache is far more than a plain response store: it normalizes every object by __typename and id into a flat graph, keeps queries consistently in sync, and allows targeted updates without a refetch. Anyone who understands typePolicies, cache.modify, and optimistic responses builds noticeably faster and more consistent React applications.

Magento GraphQl

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GraphQL Debugging with Altair, GraphiQL, Insomnia, and Postman

Maxim Mironjuk - March 13, 2025

The right debugging tool for GraphQL is not always the best known one. Whether browser-embedded, desktop app, or API client, each tool has its place in the diagnostic workflow. Knowing each tool's strengths means debugging queries, auth issues, and resolver errors more efficiently.

Magento 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.