Grokking Node.js Design Patterns for Interviews/

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Model a GraphQL Query Using a Nested Builder

Model a GraphQL Query Using a Nested Builder

Build a fluent API that constructs a nested GraphQL query string with optional fields and subfields.

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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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