GraphQL

0%
Coding
Theory
Quiz

    Auth & Field Level Security

    • Schema Directive For Role-Based Auth

      Mid
    • Field-Level Authorization in Resolvers

      Mid
    • Mask Credit Card Field Middleware

      Mid

    Schema Design & Types

    • Library API Schema and Resolvers

      Junior
    • FilterInput Input Type for Product Queries

      Junior
    • GraphQL Enum Type And Resolver

      Junior
    • Shopping List CRUD GraphQL Server

      Mid
    • Server-Driven UI Component Interface

      Mid
    • Multi-Tenant Blog Resolvers

      Senior

    Schema Design Performance & Tooling

    • DataLoader for Batched Author Lookups

      Mid
    • SearchResult Union With __resolveType

      Mid
    • Order-Preserving DataLoader Batch Function

      Mid
    • Map Unique Violations to GraphQL Errors

      Mid
    • Mutation Returning Union Result Type

      Mid
    • Node Interface And Type Resolution

      Mid
    • Custom GraphQL Error Classes

      Mid
    • Implement the Bookstore GraphQL Resolvers

      Mid
    • Slow Field Resolution Logger

      Senior
    • Tenant-Aware DataLoader Cache Keys

      Senior

    Custom Scalars & Directives

    • Custom Scalar With Serialize And Parse

      Mid
    • Custom DateTime Scalar

      Mid
    • Custom Email Scalar Type

      Mid
    • oneOf Input for Phone or Email

      Mid
    • Custom PhoneNumber Scalar With E.164 Validation

      Mid

    Input Validation & Query Limits

    • Input Validation Before Resolver

      Mid
    • Query Complexity Validation Rule

      Senior
    • Query Depth Limit Validation Rule

      Senior
    • Query Complexity And Rate-Limit Middleware

      Senior

    Resolvers & Data Fetching

    • Batched WHERE IN Resolver

      Mid
    • Computed totalSpent Field Resolver

      Mid

    Pagination & Search

    • Offset Limit Pagination With Total Count

      Junior
    • Multi-Field Search Query With Pagination

      Mid
    • Relay Cursor Connections Pagination

      Senior

    Mutations & Data Writes

    • CreatePost Mutation And Resolver

      Junior
    • Follow Mutation With Recalculated Follower Count

      Mid
    • Dependency-Gated toggleTask Mutation

      Senior
    • Atomic Post Creation With Tags

      Senior