Build a GraphQL API with Node.js & TypeScript | JSONPlaceholder Example (#02) | 🟢 Beginner Level

In this video, we build a GraphQL API using Node.js and TypeScript, structured around the JSONPlaceholder API. We create types, resolvers, handle nested queries, and explore real-world GraphQL patterns like resolver chains and the N+1 query problem. 📂 Code Repo: https://github.com/Rowadz/graphql-yt 📺 Playlist:    • GraphQL   🌐 API Used: https://jsonplaceholder.typicode.com/ ⏱️ Timestamps: 00:00 Introduction and creating the code repository 03:24 Hello world GraphQL example 08:11 Adding Object type and creating a resolver for it 09:53 Nested resolvers 11:35 Creating types from the JSONPlaceholder API 14:19 Accept an argument and query the API 18:48 Resolvers chain and cyclic references 22:18 Creating a reference to another type and a resolver for it 26:22 Creating another cyclic reference 30:00 N + 1 query problem #graphql #graphqlapi #graphqlyoga