jtwjs Dev Wiki
  • DEV_ROAD
    • ๐Ÿ’ช๐Ÿป ์ƒ์กดํ•˜๊ธฐ
    • Week 1
      • ๊ฐœ๋ฐœ ํ™˜๊ฒฝ ์„ธํŒ…
      • ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ
      • ๋ฆฌ์—‘ํŠธ
      • Testing Library
      • Parcel & ESLint
    • Week 2
      • JSX
      • Virtual DOM
    • Week 3
      • React Component
      • React State
    • Week 4
      • Express
      • Fetch API & CORS
      • React Hook
      • useRef & Custom Hook
    • Week 5
      • TDD
      • React Testing Library
      • MSW
      • Playwrite
      • Snapshot
    • Week 6
      • Separtion of Concerns
      • Principle
      • DI, (Dependency Injection)
      • Reflect-metadata
      • TSyringe
      • External Store
      • Follow Redux
      • usestore-ts
      • useSyncExternalStore
    • Week 7
      • Routing
      • Routes
      • Router
      • Navigation
    • Week 8
      • Design System
      • Style Basics
      • CSS-in-JS
      • Styled-Components
      • Global Style & Theme
    • Week 9
      • ๊ฐœ๋ฐœํ•˜๊ธฐ ์ „ ์ค€๋น„
      • ์ƒํ’ˆ ๋ชฉ๋ก ํŽ˜์ด์ง€
      • ์ƒํ’ˆ ์ƒ์„ธ ํŽ˜์ด์ง€
      • ์žฅ๋ฐ”๊ตฌ๋‹ˆ ํŽ˜์ด์ง€
    • Week 10
      • ๋กœ๊ทธ์ธ
      • ๋กœ๊ทธ์•„์›ƒ
      • ํšŒ์›๊ฐ€์ž…
      • ์ฃผ๋ฌธ ๋ชฉ๋ก & ์ฃผ๋ฌธ ์ƒ์„ธ
    • Week 11
      • ๋ฐฐ์†ก ์ •๋ณด ์ž…๋ ฅ
      • ํฌํŠธ์› ๊ฒฐ์ œ ์š”์ฒญ
      • ๋ฐฐ์†ก ๋ฐ ๊ฒฐ์ œ ์ •๋ณด ์ „๋‹ฌ
    • Week 12
      • ๊ด€๋ฆฌ์ž ์›น์‚ฌ์ดํŠธ๊ฐœ๋ฐœ์‹œ์ž‘
  • DEV_NOTE
    • TypeScript
      • ๊ธฐ๋ณธ์  ๋ฌธ๋ฒ•
        • Enum
        • ๋‹คํ˜•์„ฑ
          • Untitled
        • ๊ตฌ์กฐ์  ํƒ€์ดํ•‘
        • ์ œ๋„ˆ๋ฆญ ํƒ€์ž…
        • ์ปจ๋””์…”๋„ ํƒ€์ž…
        • ํ•จ์ˆ˜ ๋ฉ”์„œ๋“œ ํƒ€์ดํ•‘
        • infer๋กœ ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ์˜ ์ถ”๋ก  ์ง์ ‘ ํ™œ์šฉ
        • ์žฌ๊ท€ ํƒ€์ž…
        • ํ…œํ”Œ๋ฆฟ ๋ฆฌํ„ฐ๋Ÿด ํƒ€์ž…
        • ์ถ”๊ฐ€์ ์ธ ํƒ€์ž… ๊ฒ€์‚ฌ satisfies ์—ฐ์‚ฐ์ž
        • ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ ๊ฑด๋ง์ฆ
        • ์›์‹œ ์ž๋ฃŒํ˜•์—๋„ ๋ธŒ๋žœ๋”ฉ ๊ธฐ๋ฒ• ์‚ฌ์šฉ ๊ฐ€๋Šฅ
        • ํƒ€์ž… ์ขํžˆ๊ธฐ
        • ์œ ์šฉํ•œ ํƒ€์ž… ๋งŒ๋“ค๊ธฐ
        • ๋ฐ์ฝ”๋ ˆ์ดํ„ฐ ํ•จ์ˆ˜
        • ์•ฐ๋น„์–ธํŠธ ์„ ์–ธ๋„ ์„ ์–ธ ๋ณ‘ํ•ฉ์ด ๋œ๋‹ค.
        • ์•ฐ๋น„์–ธํŠธ ์„ ์–ธ๋„ ์„ ์–ธ๋ณ‘ํ•ฉ์ด ๋œ๋‹ค.
    • Testing
      • Unit Testing
      • ๋‹จ์œ„ ํ…Œ์ŠคํŠธ์˜ ๋‘ ๋ถ„ํŒŒ
      • ์ข‹์€ ๋‹จ์œ„ ํ…Œ์ŠคํŠธ๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” 4๋Œ€ ์š”์†Œ
      • ํ…Œ์ŠคํŠธ ๋Œ€์—ญ๊ณผ ์‹๋ณ„ํ•  ์ˆ˜ ์žˆ๋Š” ๋™์ž‘
      • ๋‹จ์œ„ ํ…Œ์ŠคํŠธ ์Šคํƒ€์ผ
      • ๊ฐ€์น˜ ์žˆ๋Š” ๋‹จ์œ„ ํ…Œ์ŠคํŠธ๋ฅผ ์œ„ํ•œ ๋ฆฌํŒฉํ† ๋ง
      • ํ†ตํ•ฉ ํ…Œ์ŠคํŠธ
      • Cross Browsing Testing
      • ๊ธฐ๋Šฅ ํ…Œ์ŠคํŠธ ์ข…๋ฅ˜
      • React Testing Pattern
      • ํ”„๋ก ํŠธ์—”๋“œ ํ…Œ์ŠคํŠธ ์ž…๋ฌธ
        • ํ…Œ์ŠคํŠธ ๋ฒ”์œ„
        • ๋‹จ์œ„ ํ…Œ์ŠคํŠธ ๊ฒ€์ฆ
        • Mock
        • UI ์ปดํฌ๋„ŒํŠธ ํ…Œ์ŠคํŠธ
        • ํ…Œ์ŠคํŠธ ์ปค๋ฒ„๋ฆฌ์ง€
        • ์›น ํ†ตํ•ฉ ํ…Œ์ŠคํŠธ
        • MSW
        • ์Šคํ† ๋ฆฌ๋ถ
        • ์‹œ๊ฐ์  ํšŒ๊ท€ ํ…Œ์ŠคํŠธ
        • E2E ํ…Œ์ŠคํŠธ
        • Github Actions ์„ค์ •
        • ๊นƒํ—ˆ๋ธŒ ์•ก์…˜์—์„œ E2E
      • ์‹œํ”„ํŠธ ๋ ˆํ”„ํŠธ
        • ํ…Œ์ŠคํŠธ ๊ธฐ๋ณธ์ค‘์˜ ๊ธฐ๋ณธ
        • ๋‹จ์œ„ ํ…Œ์ŠคํŠธ
        • ์ฝ”๋“œ ๋ณต์žก๋„
        • ๋ฆฌํŒฉํ„ฐ๋ง
        • ์ฝ”๋“œ ๋ฆฌ๋ทฐ
        • ํ†ตํ•ฉ ํ…Œ์ŠคํŠธ ํŒจํ„ด
        • ์‹œ์Šคํ…œ ํ…Œ์ŠคํŠธ์˜ ์ž๋™ํ™”
        • ํƒ์ƒ‰์  ํ…Œ์ŠคํŠธ
      • Test Tip
      • vitest
      • playwright
      • Test Data Generator
      • MSW
    • Algorithm
      • coding test
      • Data Structure
    • Next.js
      • Data Fetching
      • Hydration
      • Next 13
      • Optimization
      • Next 15
    • Tailwind
      • Tailwind CSS
      • Theme
      • Directives
      • Tool
      • Design System
    • Storybook
      • Storybook
      • CSF3
      • CDD
      • Headless Component
    • Funtional Programming
      • ํ•จ์ˆ˜ํ˜• ํ”„๋กœ๊ทธ๋ž˜๋ฐ
      • ์ฐธ์กฐ ํˆฌ๋ช…์„ฑ
      • ๋ถ€์ˆ˜ํšจ๊ณผ
      • ํ•จ์ˆ˜ ํ•ฉ์„ฑ
      • ์ œ๋„ˆ๋ฆญ ํƒ€์ž… ํ™œ์šฉํ•˜๊ธฐ
      • ์•”๋ฌต์  ์ž…์ถœ๋ ฅ
      • ์•ก์…˜๊ณผ ๊ณ„์‚ฐ, ๋ฐ์ดํ„ฐ
      • ๊ณ„์ธตํ˜• ์„ค๊ณ„
      • ํ˜ธ์ถœ ๊ทธ๋ž˜ํ”„
      • ํ•จ์ˆ˜ํ˜• ์„ค๊ณ„
      • ๋ถˆ๋ณ€์„ฑ
      • ์ผ๊ธ‰ ํ•จ์ˆ˜
      • ํ•จ์ˆ˜ํ˜• ๋„๊ตฌ
    • Git
      • Github Actions
      • Conflict
      • Branch ์ „๋žต
    • Contents Format
      • Audio
    • 3D Graphic
      • 3D keyword
      • Three.js
      • Geometry
      • Material
      • Light
      • Camera
      • Decal
      • Rotation
      • Text
      • Shadow
      • Fog
      • Post Processing
      • Animation
      • Math
        • Vector Space
        • ๋ฒกํ„ฐ์˜ ์—ฐ์‚ฐ
        • ํšŒ์ „ ๊ณ„์‚ฐ
      • 3D ์ปจํ…์ธ ๊ฐ€ ๋งŒ๋“ค์–ด์ง€๋Š” ๊ณผ์ •
      • R3F
      • Env
      • Scene
      • Transform
      • R3F
      • Interaction & Raycast
      • Rendering Algorithnm
      • Blender
      • Blender
    • Accessibility
      • ์ ‘๊ทผ์„ฑ์ด๋ž€
    • Interactive Web
      • Parallax
      • Canvas
      • requestAnimationFrame
      • Effect
      • HSL
      • React.js + Canvas
      • Matter.js
    • AWS
      • DevOps
      • Amplify
      • S3
      • ํด๋ผ์šฐ๋“œ ์ปดํ“จํŒ…
        • ์˜จํ”„๋ ˆ๋ฏธ์Šค์™€ ํด๋ผ์šฐ๋“œ
        • ํด๋ผ์šฐ๋“œ ๋„์ž…ํšจ๊ณผ
        • ํด๋ผ์šฐ๋“œ ์ปดํ“จํŒ…์˜ ๋ฒ”์œ„
        • ์ปดํ“จํŒ… ์˜ต์…˜
          • EC2 - Virtual Machin
          • ECS, EKS - Container
          • Lambda - Serverless
        • ๋„คํŠธ์›Œํฌ ๊ฐ€์ƒํ™”
        • ์Šคํ† ๋ฆฌ์ง€
        • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
        • ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘
        • ๋จธ์‹  ๋Ÿฌ๋‹ ์˜์—ญ
        • IoT ์˜์—ญ
        • ๋ธ”๋ก์ฒด์ธ ์˜์—ญ
      • ํด๋ผ์šฐ๋“œ ์•„ํ‚คํ…์ฒ˜ ์„ค๊ณ„
    • Network
      • Web Server & WAS
    • System Design
      • System Design
      • Component
      • ์˜์กด์„ฑ์„ ๋ฐฐ์ œํ•œ ๊ฐœ๋ฐœ
      • Error Handling
      • Architecture
        • ๋ชจ๋…ธ๋กœํ‹ฑ ์•„ํ‚คํ…์ฒ˜
        • Clean Architecture
        • Layered Architecture
        • ์ด๋ฒคํŠธ ๊ธฐ๋ฐ˜ ์•„ํ‚คํ…์ฒ˜
      • ์ƒํ™ฉ์„ ํŒŒ์•…ํ•˜๋Š” ๋ฉ”ํƒ€์ธ์ง€
      • ์ค‘๋ณต ๋ฌธ์ œ ํ•ด๊ฒฐํ•˜๊ธฐ
      • Monorepo Arhitecture
        • ๋ชจ๋…ธ๋ ˆํฌ ์šด์˜๊ณผ ํŠธ๋Ÿฌ๋ธ”์ŠˆํŒ…
        • Module Federation
      • ์ฝ”๋“œ ๋ณ‘๋ชฉ์ง€์ 
      • API ๋Œ€์‘
      • ๊ณตํ†ต ์ฝ”๋“œ
      • Infra ๊ตฌ์ถ•
      • ๋ชจ๋“ˆ ๊ธฐ๋ฐ˜์˜ ๊ฐœ๋ฐœ ๋ฐฉ์‹
      • Design System
        • ์ตœ์†Œ ์ˆ˜์ค€์˜ ์•„ํ‚คํ…์ฒ˜ ์„ค์ •
        • ๋” ํšจ์œจ์ ์ธ ๋””์ž์ธ์‹œ์Šคํ…œ ๋งŒ๋“ค๊ธฐ
        • ๋””์ž์ธ ์‹œ์Šคํ…œ๊ณผ UI ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ๋ชฉ์ 
        • ๋””์ž์ธ ํ† ํฐ
      • ํšจ์œจ์ ์ธ ์—…๋ฌด
        • ์—…๋ฌด ํ”„๋กœ์„ธ์Šค ๋ณ‘๋ชฉ ํŒŒ์•…
      • Clean Code
      • Design Pattern
        • CQRS Pattern
        • Strangler Fig Pattern
        • ๋ฐ์ฝ”๋ ˆ์ดํ„ฐ ํŒจํ„ด
        • ์ปค๋งจ๋“œ ํŒจํ„ด
        • ์ „๋žต ํŒจํ„ด
        • ์˜ต์ €๋ฒ„ ํŒจํ„ด
      • A/B ํ…Œ์ŠคํŒ…
      • ๋Œ€๊ทœ๋ชจ ๋ฆฌ์—‘ํŠธ ์›น์•ฑ ๊ฐœ๋ฐœ
        • ๋ณต์žก์„ฑ ๊ด€๋ฆฌ
        • ๋ชจ๋“ˆ์„ฑ
        • ์„ฑ๋Šฅ
        • ๋””์ž์ธ ์‹œ์Šคํ…œ
        • ๋ฐ์ดํ„ฐ ํŒจ์นญ
        • ์ƒํƒœ ๊ด€๋ฆฌ
        • ๊ตญ์ œํ™”
        • ์ฝ”๋“œ ์กฐ์งํ™”ํ•˜๊ธฐ
        • ๊ฐœ์ธํ™” A/B ํ…Œ์ŠคํŒ…
        • ํ™•์žฅ ๊ฐ€๋Šฅํ•œ ์›น ์•„ํ‚คํ…์ฒ˜
        • ํ…Œ์ŠคํŒ…
        • ํˆด๋ง
        • ๊ธฐ์ˆ ์  ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜
        • ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ
        • ๋ผ์šฐํŒ…
        • ์‚ฌ์šฉ์ž ์ค‘์‹ฌ API ๋””์ž์ธ
        • ๋ฆฌ์•กํŠธ ๋ฏธ๋ž˜
    • Performance
      • React DevTools
      • Component ์ตœ์ ํ™”
      • Page Load
      • API
    • MFA
      • MSA
      • MFA ๋„์ž…ํ•˜๊ธฐ
      • Monorepo
        • Monorepo Tool
        • Yarn Berry Workspace
        • Turborepo
      • MFA Composition
      • SPA ํ†ตํ•ฉ
      • Design System
      • Package Manager
        • Yarn
        • pnpm
      • Transpiler & Bundler
        • Babel
        • Rollup
        • esbuild
        • swc
        • Webpack
        • Vite
      • ๋ถ„ํ•ด์™€ ํ†ตํ•ฉ์„ ์œ„ํ•œ ์—ฌ๋Ÿฌ ๊ธฐ์ˆ  ๋น„๊ต
    • State Management
      • Zustand
    • React v18
      • Automatic batching
      • Suspense
      • Transition
    • SEO
      • Search Engine Optimization
      • Open Graph Element
      • Metadata
    • FE Develop
      • Scrubbing
      • Clipboard
    • Refactoring
      • ๋ฆฌํŒฉํ† ๋ง ๊นŠ๊ฒŒ ๋“ค์—ฌ๋‹ค๋ณด๊ธฐ
      • ๊ธด ์ฝ”๋“œ ์กฐ๊ฐ๋‚ด๊ธฐ
      • ํƒ€์ž… ์ฝ”๋“œ ์ฒ˜๋ฆฌํ•˜๊ธฐ
      • ์œ ์‚ฌํ•œ ์ฝ”๋“œ ์œตํ•ฉํ•˜๊ธฐ
      • ๋ฐ์ดํ„ฐ ๋ณดํ˜ธ
      • ์ฝ”๋“œ ์ถ”๊ฐ€ ๋ฐ ์ œ๊ฑฐ
    • OAuth 2.0
    • Analytics
      • Mixpanel
    • ETC
      • VSCode
    • React Hook In Action
      • useContext & Provider
      • ์ปค์Šคํ…€ ํ›…
      • ์ฝ”๋“œ ๋ถ„ํ• ํ•˜๊ธฐ with Suspense, lazy
      • Suspense์™€ ์ด๋ฏธ์ง€ ์ ์žฌํ•˜๊ธฐ
      • useTransition, uesDeferredValue
      • SuspenseList
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  • DI (Dependency Injection, ์˜์กด์„ฑ ์ฃผ์ž…)
  • ์˜์กด์„ฑ์„ ์ฃผ์ž…ํ•˜๋Š” ์„ธ๊ฐ€์ง€ ์œ ํ˜•
  • DI ์žฅ์ 
  • DI Container
  • IoC (Inversion of Control, ์ œ์–ด์˜ ์—ญ์ „)
  1. DEV_ROAD
  2. Week 6

DI, (Dependency Injection)

PreviousPrincipleNextReflect-metadata

Last updated 2 years ago

DI (Dependency Injection, ์˜์กด์„ฑ ์ฃผ์ž…)

๊ฐ์ฒด์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์—์„œ ์˜์กด์„ฑ ๊ด€๋ฆฌ๋ฅผ ์œ„ํ•œ ๋””์ž์ธ ํŒจํ„ด

๊ฐ์ฒด๊ฐ€ ๋‹ค๋ฅธ ๊ฐ์ฒด์— ์˜์กดํ•˜์ง€ ์•Š๋„๋ก ์™ธ๋ถ€์—์„œ ์ฃผ์ž… ๋ฐ›๋Š” ํ˜•ํƒœ๋กœ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ

์˜์กด์„ฑ ์ฃผ์ž…์ด๋ž€ ์™ธ๋ถ€์—์„œ ์˜์กด ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•˜์—ฌ ๋„˜๊ฒจ์ฃผ๋Š” ๊ฒƒ์„ ์˜๋ฏธ

์˜์กด์„ฑ์„ ์™ธ๋ถ€์—์„œ ์ฃผ์ž… ๋ฐ›์•„ ์˜์กด์„ฑ์„ ์—†์• ๊ณ  ๊ฐ์ฒด๊ฐ„ ๊ฒฐํ•ฉ๋„๋ฅผ ๋‚ฎ์ถ˜๋‹ค.

์˜์กด์„ฑ์„ ์ฃผ์ž…ํ•˜๋Š” ์„ธ๊ฐ€์ง€ ์œ ํ˜•

  • Constructor Injection โ†’ ํด๋ž˜์Šค ์ƒ์„ฑ์ž๋ฅผ ํ†ตํ•ด ์˜์กด์„ฑ ์ฃผ์ž…

  • Method(Setter) Injection -> ๊ฐ์ฒด(ํด๋ž˜์Šค) ์ƒ์„ฑ ํ›„ ๋ฉ”์„œ๋“œ๋ฅผ ํ†ตํ•ด ์˜์กด์„ฑ์„ ์ฃผ์ž…

  • Interface Injection -> ์ข…์†์„ฑ์„ ์ฃผ์ž…ํ•  ๋ฉ”์„œ๋“œ๋ฅผ ๊ฐ–๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์ด์šฉํ•˜์—ฌ ์˜์กด์„ฑ์„ ๋ฐ›์„ ํด๋ž˜์Šค(๊ฐ์ฒด๊ฐ€) ๊ตฌํ˜„ํ•˜๋„๋ก ์ฃผ์ž…ํ•˜๋Š” ๋ฐฉ์‹

DI ์žฅ์ 

  • ์˜์กด ๊ฐ์ฒด๋ฅผ ๊ฐˆ์•„ ๋ผ์šธ ์ˆ˜ ์žˆ์–ด ์žฌ์‚ฌ์šฉ์„ฑ๊ณผ ํ™•์žฅ์„ฑ ๋†’์•„์ง„๋‹ค.

  • ์™ธ๋ถ€์˜ ์˜์กด ๊ฐ์ฒด๋ฅผ Mock ์œผ๋กœ ๋Œ€์ฒดํ•˜์—ฌ ๋‹จ์œ„ ํ…Œ์ŠคํŠธ ์ž‘์„ฑ์ด ์‰ฌ์›Œ์ง„๋‹ค.

  • ๋‹ค๋ฅธ ๊ฐ์ฒด์— ์˜์กดํ•˜์ง€ ์•Š์•„์„œ ์ฝ”๋“œ๊ฐ€ ๋ณ€๊ฒฝ์ด ๋˜์–ด๋„ ๋‹ค๋ฅธ ๊ฐ์ฒด์— ์˜ํ–ฅ์„ ๋œ ์ฃผ๋ฏ€๋กœ ์œ ์—ฐํ•œ ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•  ์ˆ˜ ์žˆ๋‹ค.

์œ ์—ฐํ•œ ์ฝ”๋“œ๋ž€?

  • ๋ณ€๊ฒฝ์ด๋‚˜ ํ™•์žฅ์— ๋Œ€ํ•ด์„œ ์œ ์—ฐํ•˜๊ฒŒ ๋Œ€์ฒ˜ํ•  ์ˆ˜ ์žˆ๋Š” ์ฝ”๋“œ๋ฅผ ์˜๋ฏธํ•œ๋‹ค.

  • ์œ ์ง€๋ณด์ˆ˜์„ฑ ๐Ÿ‘, ํ™•์žฅ์„ฑ ๐Ÿ‘

  • ์œ ์—ฐํ•œ ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•˜๋ ค๋ฉด ์ฝ”๋“œ ๊ฐ„ ๊ฒฐํ•ฉ๋„๊ฐ€ ๋‚ฎ์•„์•ผ ํ•œ๋‹ค.

DI Container

DI๋ฅผ ๊ตฌํ˜„ํ•˜๊ธฐ ์œ„ํ•ด ๊ฐ์ฒด ์ƒ์„ฑ, ์˜์กด์„ฑ ์ฃผ์ž… ๋“ฑ์„ ์ž๋™์œผ๋กœ ์ฒ˜๋ฆฌํ•ด์ฃผ๋Š” ์™ธ๋ถ€ ์—ญํ• 

DI Container๋ฅผ ์ผ๋ฐ˜์ ์œผ๋กœ Context, ๋˜๋Š” Container๋ผ๊ณ  ๋ถ€๋ฅธ๋‹ค.

๊ฐ€์žฅ ๋Œ€ํ‘œ์ ์ธ DI Container๋Š” Spring Framework

IoC (Inversion of Control, ์ œ์–ด์˜ ์—ญ์ „)

์˜์กด์„ฑ์„ ์ œ๊ฑฐํ•˜๊ธฐ ์œ„ํ•œ ๊ฐ์ฒด์ง€ํ–ฅ ์„ค๊ณ„ ์›์น™ DI Pattern์€ IoC๋ฅผ ๊ตฌํ˜„ํ•˜๋Š” ๋Œ€ํ‘œ์ ์ธ ๋ฐฉ๋ฒ•

์ œ์–ด์˜ ์—ญ์ „์„ ๊ฐ„๋‹จํžˆ ์„ค๋ช…ํ•˜์ž๋ฉด ํ”„๋กœ๊ทธ๋žจ์˜ ์‹คํ–‰ ํ๋ฆ„์˜ ์ œ์–ด๊ถŒ์„ ์™ธ๋ถ€(ํ”„๋ ˆ์ž„์›Œํฌ)์—๊ฒŒ ์œ„์ž„ํ•˜๋Š” ๊ฒƒ!

๊ฐ์ฒด์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์„ค๊ณ„์˜ ๊ธฐ๋ณธ ์›์น™SOLID ์˜ ๋‹ค์„ฏ ๋ฒˆ์งธ ์›์น™ Dependency Inversion "๋‚ฎ์€ ์ˆ˜์ค€์˜ ๊ตฌํ˜„์— ์˜์กดํ•˜์ง€ ๋ง๊ณ  ๋†’์€ ์ˆ˜์ค€์˜ ์ถ”์ƒํ™”์— ์˜์กดํ•ด์•ผ ํ•œ๋‹ค๋Š” ๋œป"

Why do we call it Dependency โ€œInversionโ€?

Well, it appears that in traditional software development, the best practice was to build software in a layered architecture, which enabled the construction of increasingly complex systems.

In this architecture, higher-level components depended directly upon lower-level components in order to achieve a complex task.

Dependency Inversion vs Dependency Injection