GraphQL
for the impatient
Introduction
GraphQL
- Query and manipulation language specification for APIs
- Just one API endpoint
- Multiple queries defined by a schema
- Alternative to REST
- Developed by Facebook in 2012
- Released to the public in 2015
Schema & Types
Scalar Types
- Int: A signed 32-bit integer
- Float: A signed double-precision floating-point value
- String: A UTF-8 character sequence
- Boolean: true or false
- ID: A scalar representing a unique identifier
Custom scalars can also be created, examples are:
- Date
- JSON
Object Types
Queries & Mutations
Queries
Mutations
Resolvers
Query Resolvers
Mutation Resolvers
Running GraphQL
Apollo Server
Thank You! 😄
Slides and code can be found in: