Sascha Becker

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Dynamic GraphQL Queries at Runtime | Sascha Becker

2026

2026년 2월 4일

Dynamic GraphQL Queries at Runtime

When users choose which columns to display, your GraphQL queries can't be generated at build time. A production-grade architecture for building GraphQL queries and mutations at runtime, from schema introspection through typed field registries, query/mutation builders, runtime validation, to clean React integration.

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Dynamic GraphQL Queries at Runtime

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Sascha Becker

소프트웨어 개발자

AI, 프론트엔드 디자인, 소프트웨어를 만들며 내리는 결정에 관해 씁니다. 그 과정에서 배운 것을 이 블로그에 공유합니다.

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목차

Dynamic GraphQL Queries at Runtime
The Tempting Shortcut
Architecture Overview
Starting from the Schema: Introspection
The Introspection Query
Parsing Introspection into a Field Registry
Build-Time Generation Script
Handling Nested Types
The Field Registry
Enriching the Generated Registry
The Query Builder
Deeper Nesting
Typing the Result
Option 1: Partial<Order>, Simple and Honest
Option 2: Generic Selection Type
Option 3: Runtime Validation, The Real Safety Net
The Data Layer
Simple Fetch Wrapper
TanStack Query Integration
Putting It All Together
Dynamic Mutations
Discovering Mutations via Naming Convention
Introspecting the Input Type
The Mutation Builder
Building Input Variables
Validating Input Before Sending
Wiring It Up
Consider Fetching Everything Instead
When "Everything" Is Undefined
Hardening for Production
Query Complexity Limits
Field-Level Authorization
Error Handling
Testing
Use It: @saschb2b/gql-drift
Sources & Further Links