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Grokking Node.js Design Patterns for Interviews

Model a GraphQL Query Using a Nested Builder

Explore building dynamic GraphQL queries with a nested builder pattern. Understand how to programmatically construct complex queries using a fluent API that supports nested selections and outputs properly formatted GraphQL syntax.

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Problem statement

You’re building a backend system that generates dynamic GraphQL queries for server-to-server communication. Developers need a way to programmatically construct deeply nested query strings using a clear, fluent API.

Your job is to implement a GraphQLQueryBuilder that allows developers to:

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