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GraphQL Best Practices

GraphQL Best Practices

By : Artur Czemiel
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GraphQL Best Practices

GraphQL Best Practices

By: Artur Czemiel
Buy this Book

Overview of this book

In the ever-evolving landscape of web development, GraphQL has emerged as a powerful query language that addresses the limitations of traditional REST APIs. This guide delves deep into GraphQL, starting with its foundational principles and swiftly advancing to complex topics that will equip you with the skills you need to understand this technology. As you progress, you’ll cover advanced concepts such as schema design, security enhancements, and error handling. You'll also explore essential topics such as federation and the transition from REST to GraphQL, gaining a comprehensive understanding of these critical areas. The book helps you learn through practical examples in TypeScript, guiding you through building scalable and secure GraphQL backends. Additionally, you’ll get up to speed with the intricacies of frontend integration. By the end of this book, you’ll have the skills you need to implement real-world GraphQL solutions, creating efficient and robust applications that meet modern web development demands.
Table of Contents (23 chapters)
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Preface
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Preface
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Who this book is for
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What this book covers
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To get the most out of this book
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Download the example code files
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Conventions used
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Get in touch
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Share Your Thoughts
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1
Part 1 - Why GraphQL?
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Part 1 - Why GraphQL?
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Chapter 1: Unveiling the Holy Grail of Communication – GraphQL
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Chapter 1: Unveiling the Holy Grail of Communication – GraphQL
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Technical requirements
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Understanding the advantage of built-in introspection
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Working with GraphQL as a source of truth
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Creating self-documenting schemas
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Understanding the GraphQL query language
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Mocking GraphQL responses
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Summary
3
Chapter 2: Applying an AI-Friendly Approach to GraphQL
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Chapter 2: Applying an AI-Friendly Approach to GraphQL
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Technical requirements
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Understanding GraphQL AI Friendliness
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Navigating the OpenAI playground
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Generating documentation with AI
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Generating real-life mocks
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Writing GraphQL queries with AI
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Creating whole schemas with AI
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Summary
4
Part 2 - Schema-First Design Patterns
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Part 2 - Schema-First Design Patterns
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Chapter 3: Crafting Effective GraphQL Schemas
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Chapter 3: Crafting Effective GraphQL Schemas
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Technical requirements
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Understanding the basics of schema design
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Harnessing the power of interfaces
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Adding well-documented custom scalars
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Learning about directives
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Summary
6
Chapter 4: Building Pipes
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Chapter 4: Building Pipes
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Technical requirements
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Introducing pipes
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Logical pipes
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Access pipes
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Ownership pipes
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Summary
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Part 3 - Exploring Possible Ways to Use GraphQL
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Part 3 - Exploring Possible Ways to Use GraphQL
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Chapter 5: Transitioning from REST to GraphQL
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Chapter 5: Transitioning from REST to GraphQL
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Technical requirements
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Why transition to GraphQL?
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Transforming a REST to-do list into GraphQL
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Passing headers
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Understanding response types
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Reviewing the disadvantages of GraphQL
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Summary
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Chapter 6: Defining GraphQL Transformers
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Chapter 6: Defining GraphQL Transformers
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Technical requirements
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Understanding how transformers work
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Creating your own transformer
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The rise and fall of transformers
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Summary
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Chapter 7: Understanding GraphQL Federation
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Chapter 7: Understanding GraphQL Federation
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Technical requirements
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Why do we need federation?
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Understanding the basic rules of federation
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Merging schemas for federation
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Federating schemas in a to-do list service
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Meeting the need for GraphQL Federation
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Summary
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Part 4 - Advanced GraphQL
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Part 4 - Advanced GraphQL
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Chapter 8: Executing Schema-First Systems
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Chapter 8: Executing Schema-First Systems
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Technical requirements
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Setting up our project
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Creating the schema
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Connecting the schema, database, and type system
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Handling user authorization and authentication
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Adding question and answer types
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Bringing the resolvers together
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Summary
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Chapter 9: Working on the Frontend with GraphQL
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Chapter 9: Working on the Frontend with GraphQL
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Technical requirements
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Setting up our project
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Preparing our GraphQL Layer
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Creating the system’s frontend
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Creating authentication pages
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Crafting the post question page
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Implementing the questions page
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Summary
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Chapter 10: Keeping Data Secure
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Chapter 10: Keeping Data Secure
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Technical requirements
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Preventing denial-of-service attacks
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Preventing injection attacks
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Understanding the query cost calculation
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Summary
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Chapter 11: Describing Errors in GraphQL
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Chapter 11: Describing Errors in GraphQL
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Technical requirements
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Understanding how should we throw errors in GraphQL-based servers
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Using enums for error codes
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Treating errors as data
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Treating responses as unions
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Understanding error masking
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Summary
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Chapter 12: Documenting your Schema
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Chapter 12: Documenting your Schema
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Technical requirements
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Writing documentation for GraphQL interfaces and types
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Crafting Markdown documentation for root queries and mutations
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Summary
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Chapter 13: Tackling Schemas with Visualization
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Chapter 13: Tackling Schemas with Visualization
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Technical requirements
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Onboarding to the schema
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Improving existing schemas using the visual environment
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Using GraphiQL’s navigation pane
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Summary
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Part 5 - From an Idea to a Working Project
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Part 5 - From an Idea to a Working Project
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Chapter 14: From an Idea to a Working Project – Backend Development with GraphQL and TypeScript
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Chapter 14: From an Idea to a Working Project – Backend Development with GraphQL and TypeScript
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Technical requirements
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Creating a system concept and schema
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Implementing the application’s backend
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Writing integration tests
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Summary
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Chapter 15: From an Idea to a Working Project – Frontend Integration with GraphQL and TypeScript
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Chapter 15: From an Idea to a Working Project – Frontend Integration with GraphQL and TypeScript
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Technical requirements
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Setting up the project
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Preparing the GraphQL layer
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Creating our app’s frontend
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Summary
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Index
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Index
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Why subscribe?
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Other Books You May Enjoy
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Other Books You May Enjoy
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Download a free PDF copy of this book

What this book covers

In Chapter 1, Unveiling the Holy Grail of Communication – GraphQL, you will learn what GraphQL is and how it changes the way development teams communicate.

In Chapter 2, Applying an AI-Friendly Approach to GraphQL, you will learn how to generate parts of GraphQL using AI.

In Chapter 3, Crafting Effective GraphQL Schemas, we will examine all the features of GraphQL and learn how to create consumer-friendly schemas.

In Chapter 4, Building Pipes, you will learn how to use access-based resolvers in GraphQL.

In Chapter 5, Transitioning from REST to GraphQL, you will learn how to move from REST to GraphQL and write GraphQL proxies for existing REST backends.

In Chapter 6, Defining GraphQL Transformers, you will learn what a transformer is and how to write one of your own.

In Chapter 7, Understanding GraphQL Federation, we will try to understand what federation is and why it was created.

In Chapter 8, Executing Schema-First Systems, we will create a GraphQL-based backend for a Questions and Answers project.

In Chapter 9, Working on the Frontend with GraphQL, we will create a frontend for our Questions and Answers project with a GraphQL layer.

In Chapter 10, Keeping Data Secure, you will learn how to design GraphQL schema with security in mind and avoid exposing sensitive data.

In Chapter 11, Describing Errors in GraphQL, you will learn how GraphQL can help shape the data of returned errors.

In Chapter 12, Documenting your Schema, you will learn how to write good documentation for your GraphQL-based systems.

In Chapter 13, Tackling Schemas with Visualization, you will learn how to read visual graphs and filter out specific information.

In Chapter 14, From an Idea to a Working Project – Backend Development with GraphQL and TypeScript, we will create a complicated backend for a booking system that a small business such as a hairdresser could use.

In Chapter 15, From an Idea to a Working Project – Frontend Integration with GraphQL and TypeScript, we will continue our booking system project by creating a frontend for the system.

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