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3 / 26 written chapters
The cover
  1. B1Setup & CLI
  2. B2Controllers & routing
  3. B3Providers & DI basics
  4. B4Modules
  5. B5Validation basics
  6. B6Configuration
  7. B7Database basics
  8. B8First resource
  1. I1DI in depth
  2. I2Pipes, guards & interceptors
  3. I3Middleware
  4. I4Exception filters
  5. I5Authentication
  6. I6Authorization
  7. I7Testing
  8. I8Repository patterns
  9. I9OpenAPI/Swagger
  10. I10Scheduling & queues
  1. A1Microservices
  2. A2GraphQL
  3. A3WebSockets & gateways
  4. A4Custom decorators
  5. A5Advanced module patterns
  6. A6Performance & caching
  7. A7Monorepo Nest apps
  8. A8Production readiness

NeB3 · Part 1 · Beginner

Providers & dependency injection

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Sketch only

01This chapter will cover

Providers & dependency injection

  • The basics — @Injectable, constructor injection

→Next stop

  1. B2Previous · B2Controllers & routing
  3. B3you are here
  5. Next · B4ModulesNext chapter

01Meanwhile

  • JavaScript is written, start there
  • R3 · JavaScript & TS covers this in the interview book