Practical GraphQL - Become a GraphQL Ninja - Separating Models, Schemas and Resolvers

The video tutorial covers the process of refactoring a complex JavaScript application by organizing code into separate folders for models, resolvers, and type definitions. It explains the need for schema stitching in GraphQL to avoid duplicate query and mutation types. The tutorial also addresses troubleshooting data access issues and introduces the concept of context to ensure data is accessible throughout the application.

Why is refactoring necessary for the application?

• To reduce the file size

• To improve code readability and maintainability

• To add more features

• To change the programming language

What is the first step in refactoring the application?

• Creating a new database

• Breaking the application into models, resolvers, and type definitions

• Adding more comments to the code

• Changing the server configuration

What files are created for handling resolvers?

• main.js, helper.js, utils.js

• config.js, routes.js, middleware.js

• app.js, server.js, database.js

• index.js, user.js, car.js

What is the main reason for moving data into a separate models file?

• To increase data redundancy

• To improve data security

• To centralize data management

• To reduce server load

What is the purpose of creating separate files for type definitions?

• To enhance user interface design

• To increase the speed of queries

• To organize code and avoid duplication

• To reduce the number of server requests

What is the purpose of schema stitching?

• To split a schema into multiple parts

• To create a new database schema

• To combine multiple schemas into one

• To remove unused schemas

What keyword is used to extend existing type definitions in GraphQL?

• append

• extend

• add

• include

What is the result of not using schema stitching?

• Increased server performance

• Duplicate type definitions causing errors

• Simplified code structure

• Enhanced data security

What issue arises when querying data after refactoring?

• Data is duplicated

• Data is too large

• Data is not accessible

• Data is corrupted

What is the role of context in GraphQL?

• To manage database connections

• To provide a global state for data access

• To handle user authentication

• To log server errors