W.T.F. is GraphQL?
summary
Builds a Star Wars profile page to explain GraphQL by showing exact queries, server resolvers, and an added voting feature implemented with Express, graphql-js, the GraphiQL IDE, and DataLoader for batching. Shows that round trips drop (example from 12 requests to 3) and responses return only requested fields, and demonstrates wiring resolvers to databases, parallel resolver execution, caching trade-offs, and cases where GraphQL’s added complexity or tooling cost outweighs benefits for simple single-endpoint APIs.
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chapters (14)
- 0:00GraphQL intro
- 6:38REST API problems
- 12:26First custom endpoint
- 16:31Custom endpoint limits
- 19:41GraphQL specs and benefits
- 23:22GraphQL query example
- 26:16GraphQL vs REST
- 30:17GraphQL caching
- 35:31Building GraphQL server
- 41:56GraphQL data sources
- 43:47Extending queries
- 46:20Business logic in GraphQL
- 47:49GraphQL future tools
- 51:37Q&A
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