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TIL
  • README
  • Git
    • Basic
    • Remote Repository
    • Log & Diff
    • Rebase&Cherri-Pick
    • git-flow
  • DevOps
    • Monolithic vs MSA
    • Jenkins ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Build Tools
      • maven
  • ๊ฐœ๋ฐœ ๋ฐฉ๋ฒ•๋ก 
    • TDD
  • Spring
    • IoC
    • Is Spring Bean Thread-Safe?
    • Spring Singleton
    • Component Scan
    • Spring Annotation
    • ์˜์กด ๊ด€๊ณ„ ์ฃผ์ž…(DI)
    • Lombok ํ™œ์šฉํ•˜๊ธฐ
    • Bean ์ƒ๋ช…์ฃผ๊ธฐ์™€ ์ฝœ๋ฐฑ
    • Bean Scope
    • AOP(1) - AOP๋ž€
    • AOP(2) - Aop Proxy
    • AOP(3) - Dynamic Proxy
    • AOP(4) - AspectJ
    • POJO
    • Spring ์„œ๋น„์Šค ๊ตฌ์กฐ
    • Transaction
    • JPA๋ž€?
    • JPA Entity
    • Spring Data JPA
    • Spring Data Specification
    • Model Mapping
    • Cache
    • restTemplate
    • YAML ํŒŒ์ผ ์„ค์ •
    • Spring Boot
      • H2 DB ์„ค์ •
      • ๋‹ค์ค‘ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์„ค์ •
      • Mybatis ์—ฐ๋™ํ•˜๊ธฐ
    • Spring Batch
      • Batch ์‹œ์ž‘ํ•ด๋ณด๊ธฐ
      • Batch Job Flow
      • Job
      • Step
      • Batch Scope & Job Parameter
      • JobRepository์™€ ๋ฉ”ํƒ€ํ…Œ์ด๋ธ”
      • Chunk ์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ
      • ItemReader
      • ItemProcessor
      • ItemWriter
      • Batch Schedular
      • Job๋ณ„ Bean๋“ฑ๋กํ•˜๊ธฐ
      • Batch ๊ตฌํ˜„์‹œ ๋ฐœ์ƒํ•œ ์˜ค๋ฅ˜ ์ •๋ฆฌ
      • Spring Batch Scaling
        • Multithread Job๊ตฌํ˜„์‹œ ์ด์Šˆ์‚ฌํ•ญ
    • Spring test
      • Junit5
        • ํ…Œ์ŠคํŠธ ์ด๋ฆ„ ํ‘œ๊ธฐ
        • ํ…Œ์ŠคํŠธ ๊ทธ๋ฃน ์‚ฌ์ด์˜ ๊ด€๊ณ„
        • ํƒœ๊ทธ์™€ ํ•„ํ„ฐ๋ง
        • ๋™์  ํ…Œ์ŠคํŠธ
        • ํ…Œ์ŠคํŠธ LifeCycle
        • ํ…Œ์ŠคํŠธ ๋ฉ”์„œ๋“œ
        • ํ…Œ์ŠคํŠธ ์ˆœ์„œ
        • AssertJ
        • ํ…Œ์ŠคํŠธ ๋ณ‘๋ ฌ ์‹คํ–‰
        • AssertJ
        • Mock
      • Spring Boot Test DB ๋ถ„๋ฆฌ
      • Spring Batch Test
  • Web Application
    • Web Server & WAS
    • ๊ด€๋ จ ๊ฐœ๋… - HTTP API, HTML, CSR, SSR
    • Servlet
    • JSP
    • Cookie And Session
    • ์˜ˆ์™ธํŽ˜์ด์ง€
    • Java Bean
    • JDBC
    • Connection Pool
    • ํŒŒ์ผ ์—…๋กœ๋“œ
    • Expression Language
    • JSTL
    • FrontControllerํŒจํ„ด Command ํŒจํ„ด
    • Forwarding
    • MVC
    • ํšŒ์›๊ฐ€์ž…์˜ˆ์ œ
    • ์ฐธ๊ณ 
      • ๊ฐœ๋ฐœํ™˜๊ฒฝ์„ค์ •
  • Java+
    • SOAP/WSDL vs REST
    • WSDL์„ JAVA๋กœ ๋ณ€ํ™˜ํ•˜๊ธฐ
    • SOAP ํ†ต์‹  OPEN API๋กœ ๊ฐœ๋ฐœํ•ด๋ณด๊ธฐ
  • Java
    • Basic
      • ๋ณ€์ˆ˜์™€ ํƒ€์ž…
      • ์—ฐ์‚ฐ์ž
      • ์กฐ๊ฑด๋ฌธ๊ณผ ๋ฐ˜๋ณต๋ฌธ
      • ์ฐธ์กฐ ํƒ€์ž…
      • ํด๋ž˜์Šค
      • ์ƒ์†(Inheritance)
      • ์ธํ„ฐํŽ˜์ด์Šค(Interface)
      • ์ค‘์ฒฉ ํด๋ž˜์Šค์™€ ์ค‘์ฒฉ ์ธํ„ฐํŽ˜์ด์Šค
      • ์˜ˆ์™ธ ์ฒ˜๋ฆฌ
      • API - Object, System, Class, Math, Wrapper
      • API - String, StringBuffer, StringBuilder
      • Thread
      • Generic
      • Lambda
      • Collection - List, Set
      • Collection - Map
      • Collection - Tree
      • Collection - Stack, Queue
      • Stream
      • Reflection
      • ์ •๊ทœํ‘œํ˜„์‹
      • GUI
      • UML
      • Serializable
    • Advanced
      • OutOfMemoryError
      • AutoValue
      • meta-annotation
        • @Retention
        • @Target
        • @Repeatable
    • Effective Java 3/E
      • ITEM 1: Static Factory Method(์ •์  ๋ฉ”์†Œ๋“œ)
      • ITEM 2: Builder Pattern
      • ITEM 3: Singleton
      • ITEM 4: Private Constructor
      • ITEM 5: Dependency Injection
      • ITEM 6: Avoid Unnecessary Object
      • ITEM 7: Eliminate Object Reference
      • ITEM 8: Avoid finalizer and cleaner
      • ITEM 9: try-with-resources
      • ITEM 10: The gerneral contract when overriding equlas
      • ITEM 11: Overriding hashCode
      • ITEM 12: overriding toString
      • ITEM 13: overriding clone judiciously
      • ITEM 14: Consider implementing comparable
      • ITEM 15: ํด๋ž˜์Šค์™€ ๋ฉค๋ฒ„์˜ ์ ‘๊ทผ์„ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 16: Use Accessor methods
      • ITEM 17: ๋ณ€๊ฒฝ ๊ฐ€๋Šฅ์„ฑ์„ ์ตœ์†Œํ™”ํ•ด๋ผ(๋ถˆ๋ณ€ ํด๋ž˜์Šค)
      • ITEM 18: ์ƒ์†๋ณด๋‹จ ์ปดํฌ์ง€์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 19: ์ƒ์†์„ ๊ณ ๋ คํ•ด ์„ค๊ณ„ํ•˜๊ณ  ๋ฌธ์„œํ™”ํ•ด๋ผ
      • ITEM 20: ์ถ”์ƒ ํด๋ž˜์Šค๋ณด๋‹ค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์šฐ์„ ํ•˜๋ผ
      • ITEM 21: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ๊ตฌํ˜„ํ•˜๋Š” ์ชฝ์„ ์ƒ๊ฐํ•ด ์„ค๊ณ„ํ•ด๋ผ.
      • ITEM 22: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ํƒ€์ž…์„ ์ •์˜ํ•˜๋Š” ์šฉ๋„๋กœ๋งŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 23: ํƒœ๊ทธ ๋‹ฌ๋ฆฐ ํด๋ž˜์Šค๋ณด๋‹ค ํด๋ž˜์Šค ๊ณ„์ธต๊ตฌ์กฐ๋ฅผ ํ™œ์šฉํ•ด๋ผ
      • ITEM 24: ๋ฉค๋ฒ„ ํด๋ž˜์Šค๋Š” ๋˜๋„๋ก static์œผ๋กœ ๊ตฌํ˜„ํ•ด๋ผ
      • ITEM 25: ํ†ฑ๋ ˆ๋ฒจ ํด๋ž˜์Šค๋Š” ํ•œ ํŒŒ์ผ์— ํ•˜๋‚˜๋งŒ ์ƒ์„ฑํ•ด๋ผ.
      • ITEM 26: Raw type์€ ์‚ฌ์šฉํ•˜์ง€ ๋งˆ๋ผ
      • ITEM 27: ๋น„๊ฒ€์‚ฌ ๊ฒฝ๊ณ ๋ฅผ ์ œ๊ฑฐํ•ด๋ผ
      • ITEM 28: ๋ฐฐ์—ด๋ณด๋‹ค๋Š” ๋ฆฌ์ŠคํŠธ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 29: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ํƒ€์ž…์œผ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 30: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ๋ฉ”์„œ๋“œ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 31 : ํ•œ์ •์  ์™€์ผ๋“œ์นด๋“œ๋ฅผ ์‚ฌ์šฉํ•ด API ์œ ์—ฐ์„ฑ์„ ๋†’์—ฌ๋ผ
      • ITEM 32: ์ œ๋„ค๋ฆญ๊ณผ ๊ฐ€๋ณ€์ธ์ˆ˜๋ฅผ ํ•จ๊ป˜ ์“ธ ๋•Œ๋Š” ์‹ ์ค‘ํ•ด๋ผ
      • ITEM 33: ํƒ€์ž… ์•ˆ์ „ ์ด์ข… ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๊ณ ๋ คํ•ด๋ผ
      • ITEM 34: int ์ƒ์ˆ˜ ๋Œ€์‹  ์—ด๊ฑฐ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 35: ordinal ๋ฉ”์„œ๋“œ ๋Œ€์‹  ์ธ์Šคํ„ด์Šค ํ•„๋“œ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 36: ๋น„ํŠธ ํ•„๋“œ ๋Œ€์‹  EnumSet์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 37: ordinal ์ธ๋ฑ์‹ฑ ๋Œ€์‹  EnumMap์„ ์‚ฌ์šฉํ•ด๋ผ
      • TEM 38 : ํ™•์žฅํ•  ์ˆ˜ ์žˆ๋Š” ์—ด๊ฑฐํƒ€์ž…์ด ํ•„์š”ํ•˜๋ฉด ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 39: ๋ช…๋ช… ํŒจํ„ด๋ณด๋‹ค ์• ๋„ˆํ…Œ์ด์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 40: @Override ์–ด๋…ธํ…Œ์ด์…˜์„ ์ผ๊ด€๋˜๊ฒŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 41: ์ •์˜ํ•˜๋ ค๋Š” ๊ฒƒ์ด ํƒ€์ž…์ด๋ผ๋ฉด ๋งˆ์ปค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 42: ์ต๋ช… ํด๋ž˜์Šค๋ณด๋‹ค๋Š” ๋žŒ๋‹ค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 43: ๋žŒ๋‹ค๋ณด๋‹ค๋Š” ๋ฉ”์„œ๋“œ ์ฐธ์กฐ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 44: ํ‘œ์ค€ ํ•จ์ˆ˜ํ˜• ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 45: ์ŠคํŠธ๋ฆผ์€ ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 46: ์ŠคํŠธ๋ฆผ์—์„œ ๋ถ€์ž‘์šฉ ์—†๋Š” ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 47: ๋ฐ˜ํ™˜ ํƒ€์ž…์œผ๋กœ๋Š” ์ŠคํŠธ๋ฆผ๋ณด๋‹ค ์ปฌ๋ ‰์…˜์ด ๋‚ซ๋‹ค.
      • ITEM 48: ์ŠคํŠธ๋ฆผ ๋ณ‘๋ ฌํ™”๋Š” ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 49: ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ์œ ํšจํ•œ์ง€ ๊ฒ€์‚ฌํ•ด๋ผ
      • ITEM 50: ์ ์‹œ์— ๋ฐฉ์–ด์  ๋ณต์‚ฌ๋ณธ์„ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 51: ๋ฉ”์„œ๋“œ ์‹œ๊ทธ๋‹ˆ์ฒ˜๋ฅผ ์‹ ์ค‘ํžˆ ์„ค๊ณ„ํ•ด๋ผ
      • ITEM 52: ๋‹ค์ค‘์ •์˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 53: ๊ฐ€๋ณ€์ธ์ˆ˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 54: null์ด ์•„๋‹Œ, ๋นˆ ์ปฌ๋ ‰์…˜์ด๋‚˜ ๋ฐฐ์—ด์„ ๋ฐ˜ํ™˜ํ•ด๋ผ
      • ITEM 55: Optional ๋ฐ˜ํ™˜์€ ์‹ ์ค‘ํ•˜๊ฒŒ ํ•ด๋ผ
      • ITEM 56: ๊ณต๊ฐœ๋œ API ์š”์†Œ์—๋Š” ํ•ญ์ƒ ์ฃผ์„์„ ์ž‘์„ฑํ•ด๋ผ
      • ITEM 57: ์ง€์—ญ๋ณ€์ˆ˜์˜ ๋ฒ”์œ„๋ฅผ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 58: ์ „ํ†ต์ ์ธ for ๋ฌธ๋ณด๋‹ค๋Š” for-each๋ฌธ์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 59: ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์ตํžˆ๊ณ  ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 60: ์ •ํ™•ํ•œ ๋‹ต์ด ํ•„์š”ํ•˜๋‹ค๋ฉด float์™€ double์€ ํ”ผํ•ด๋ผ
      • ITEM 61: ๋ฐ•์‹ฑ๋œ ๊ธฐ๋ณธ ํƒ€์ž…๋ณด๋‹ค๋Š” ๊ธฐ๋ณธ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 62: ๋‹ค๋ฅธ ํƒ€์ž…์ด ์ ์ ˆํ•˜๋‹ค๋ฉด ๋ฌธ์ž์—ด ์‚ฌ์šฉ์„ ํ”ผํ•ด๋ผ
      • ITEM 63: ๋ฌธ์ž์—ด ์—ฐ๊ฒฐ์€ ๋А๋ฆฌ๋‹ˆ ์ฃผ์˜ํ•ด๋ผ
      • ITEM 64: ๊ฐ์ฒด๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด ์ฐธ์กฐํ•ด๋ผ
      • ITEM 65: ๋ฆฌํ”Œ๋ ‰์…˜๋ณด๋‹ค๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 66: ๋„ค์ดํ‹ฐ๋ธŒ ๋ฉ”์„œ๋“œ๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 67: ์ตœ์ ํ™”๋Š” ์‹ ์ค‘ํžˆ ํ•ด๋ผ
      • ITEM 68: ์ผ๋ฐ˜์ ์œผ๋กœ ํ†ต์šฉ๋˜๋Š” ๋ช…๋ช… ๊ทœ์น™์„ ๋”ฐ๋ผ๋ผ
    • ๊ฐ์ฒด์ง€ํ–ฅ ์„ค๊ณ„ ์›์น™(SOLID)
    • ๋””์ž์ธํŒจํ„ด
      • Strategy Pattern
      • Template Method Pattern
      • Factory Method Pattern
      • Singleton
      • Delegation
      • Proxy
      • Adapter Pattern
    • ์‹ค์Šต
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Vehicle
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Remote
      • GUI ์‹ค์Šต - Calculator
      • GUI ์‹ค์Šต - button
      • GUI ์‹ค์Šต - lotto
      • Thread ์‹ค์Šต - ์ขŒ์„์˜ˆ์•ฝ, ๋ฉ”์„ธ์ง€๋ณด๋‚ด๊ธฐ
    • Jar vs War
  • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
    • KEY
    • Index
    • Transaction
    • Trigger
    • Procedure / Function
    • Package
    • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋ฐฐ์›€ํ„ฐ
      • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์‹œ์Šคํ…œ
      • ๊ด€๊ณ„๋ฐ์ดํ„ฐ ๋ชจ๋ธ
      • ๊ด€๊ณ„๋Œ€์ˆ˜์™€ SQL
    • MySQL
      • Database๋ž€
      • MySQL ์‹œ์ž‘ํ•˜๊ธฐ
      • MySQL Database
      • MySQL Table
      • CRUD
      • ๊ด€๊ณ„ํ˜• ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
      • Server์™€ Client
    • PostgreSQL
    • NoSQL
      • Install Cassandra on mac
      • Cassandra๋ž€?
      • NiFi๋ž€
  • Algorithm
    • String
    • Recursion
    • Dynamic Programming
    • Array, Struct, Pointer
    • Math
    • Sort
    • List
    • Stack
    • Queue
    • Graph
    • Tree
    • Maze
    • AVL
    • ์ด์ง„ํƒ์ƒ‰ํŠธ๋ฆฌ(Binary Search Tree)
    • DFS์™€ BFS
    • ๋‹ค์ต์ŠคํŠธ๋ผ ์•Œ๊ณ ๋ฆฌ์ฆ˜(Dijkstra's Algorithm)
    • Red-Black ํŠธ๋ฆฌ
    • A* ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • Heap
    • Huffman Coding
    • Priority Queue
    • Bellman-Ford ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • C++
      • Class
      • STL
        • STL pair
        • STL Container - Associate Container
        • STL Container - Sequence Container
        • STL Container - Container Adapter
  • JavaScript
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  • ์ƒํƒœ ๊ด€๋ฆฌ๊ฐ€ ํ•„์š”ํ•œ ์ด์œ 
  • Basic
  • Getters
  • Mutations
  • Actions
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  1. Vue.js

Vuex

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Last updated 4 years ago

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Vuex๋Š” ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ƒํƒœ ๊ด€๋ฆฌ ํŒจํ„ด + ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์ด๋‹ค. ๋‹ค๋ฅธ ์ƒํƒœ๊ด€๋ฆฌ ํŒจํ„ด + ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์™€ ๋น„๊ตํ–ˆ์„๋•Œ Vue Reactivity ์ฒด๊ณ„๋ฅผ ํšจ์œจ์ ์œผ๋กœ ํ™œ์šฉํ•ด ํ™”๋ฉด ์—…๋ฐ์ดํŠธ๊ฐ€ ๊ฐ€๋Šฅํ•˜๋‹ค๋Š” ์žฅ์ ์ด ์žˆ๋‹ค.

Vue Reactivity

๋ทฐ๊ฐ€ ๋ฐ์ดํ„ฐ ๋ณ€ํ™”๋ฅผ ๊ฐ์ง€ํ•˜๊ณ  ์ž๋™์œผ๋กœ ํ™”๋ฉด์„ ๊ฐฑ์‹ ํ•˜๋Š” ํŠน์„ฑ

์ƒํƒœ๊ด€๋ฆฌ ๊ตฌ์„ฑ์š”์†Œ

๊ตฌ์„ฑ์š”์†Œ

์„ค๋ช…

state

์ปดํฌ๋„ŒํŠธ๊ฐ„ ๊ณต์œ ํ•˜๋Š” data

view

๋ฐ์ดํ„ฐ๊ฐ€ ํ‘œํ˜„๋  template

actions

์‚ฌ์šฉ์ž์˜ ์ž…๋ ฅ์— ๋”ฐ๋ผ ๋ฐ˜์‘ํ•  methods

new Vue({
  // state
  data () {
    return {
      count: 0
    }
  },
  // view
  template: `
    <div>{{ count }}</div>
  `,
  // actions
  methods: {
    increment () {
      this.count++
    }
  }
})

์ƒํƒœ ๊ด€๋ฆฌ๊ฐ€ ํ•„์š”ํ•œ ์ด์œ 

  1. ํ•˜์œ„ ์ปดํฌ๋„ŒํŠธ์—์„œ ๋‹ค๋ฅธ ์ปดํฌ๋„ŒํŠธ๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ์ „๋‹ฌํ•  ๋•Œ ๊ทธ ์‚ฌ์ด์— ์ˆ˜๋งŽ์€ ์ปดํฌ๋„ŒํŠธ๊ฐ€ ์กด์žฌํ•œ๋‹ค๋ฉด, props๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ์ „๋‹ฌํ•˜๊ฒŒ ๋˜๋ฉด ๊ทธ ์‚ฌ์ด์˜ ๋ชจ๋“  ์ปดํฌ๋„ŒํŠธ์— props๋ฅผ ์„ค์ •ํ•ด์ค˜์•ผํ•˜๋ฉฐ, ์œ ์ง€๋ณด์ˆ˜๊ฐ€ ํž˜๋“ค์–ด์ง„๋‹ค.

  2. ์ด๋ฒคํŠธ ๋ฒ„์Šค๋ฅผ ํ™œ์šฉํ•˜๊ฒŒ๋˜๋ฉด ์ƒ-ํ•˜์œ„ ๋ฐ์ดํ„ฐ ์ „๋‹ฌ ๊ตฌ์กฐ๋ฅผ ๋”ฐ๋ฅด์ง€ ์•Š๊ณ ๋„ ํ•œ ๋ฒˆ์— ๋ฐ์ดํ„ฐ๋ฅผ ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ์ง€๋งŒ, ๋‹จ๋ฐฉํ–ฅ ๋ฐ์ดํ„ฐ ํ๋ฆ„์ด ์•„๋‹Œ ์…€ ์ˆ˜ ์—†์ด ๋งŽ์€ ๋ฐ์ดํ„ฐ ํ๋ฆ„์ด ๋œ๋‹ค๋Š” ๋ฌธ์ œ์ ์ด ์žˆ๋‹ค.

์ฆ‰, ์ปดํฌ๋„ŒํŠธ ๊ฐ„ ๋ฐ์ดํ„ฐ ์ „๋‹ฌ ๋ฐ ์ด๋ฒคํŠธ ํ†ต์‹ ๋“ฑ์˜ ์—ฌ๋Ÿฌ ์ปดํฌ๋„ŒํŠธ ๊ด€๊ณ„๋ฅผ ๊ด€๋ฆฌํ•˜๊ธฐ ์‰ฝ๊ฒŒ ๊ตฌ์กฐํ™” ํ•˜๋Š” ๊ฒƒ(์ค‘์•™ ์ง‘์ค‘์‹ ์ €์žฅ์†Œ)์ด ์ƒํƒœ๊ด€๋ฆฌ(state management)์ด๋‹ค.

Basic

import Vue from 'vue'
import App from './App.vue'
import store from './store'

Vue.config.productionTip = false

new Vue({
  store,
  render: h => h(App)
}).$mount('#app')
// store/index.js 
import Vue from 'vue'
import Vuex from 'vuex'

Vue.use(Vuex)

export default new Vuex.Store({
  state: {
  },
  mutations: {
  },
  actions: {
  },
  modules: {
  }
});

vuex์˜ ์ค‘์‹ฌ์—๋Š” store๊ฐ€ ์žˆ๋‹ค. "์ €์žฅ์†Œ"๋Š” ๊ธฐ๋ณธ์ ์œผ๋กœ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ƒํƒœ(state)๋ฅผ ๋ณด์œ ํ•˜๊ณ  ์žˆ๋Š” ์ปจํ…Œ์ด๋„ˆ์ด๋‹ค. Vuex ์ €์žฅ์†Œ๋Š” ๋‹ค๋ฅธ ์ „์—ญ ๊ฐ์ฒด์™€ ๋‘ ๊ฐ€์ง€ ์ฐจ์ด์ ์ด ์žˆ๋‹ค.

  1. Vuex store๋Š” ๋ฐ˜์‘ํ˜•์ด๋‹ค.

  2. store์˜ state๋ฅผ ์ง์ ‘ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์—†๋‹ค. state๋ฅผ ๋ณ€๊ฒฝํ•˜๋Š” ์œ ์ผํ•œ ๋ฐฉ๋ฒ•์€ ๋ช…์‹œ์ ์ธ commit์œผ๋กœ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ๋‹ค.

Getters

์ค‘์•™ ๋ฐ์ดํ„ฐ ๊ด€๋ฆฌ์‹ ๊ตฌ์กฐ์—์„œ ๋ฐœ์ƒํ•˜๋Š” ๋ฌธ์ œ์  ์ค‘ ํ•˜๋‚˜๋Š” ๊ฐ ์ปดํฌ๋„ŒํŠธ์—์„œ Vuex์˜ ๋ฐ์ดํ„ฐ์— ์ ‘๊ทผํ•  ๋•Œ ์ค‘๋ณต๋œ ์ฝ”๋“œ๋ฅผ ๋ฐ˜๋ณต ํ˜ธ์ถœํ•˜๊ฒŒ ๋œ๋‹ค๋Š” ๊ฒƒ์ด๋‹ค.

// App.vue
computed: {
  getCounter() {
    return this.$store.state.counter;
  }
},
// Child.vue
computed: {
  getCounter() {
    return this.$store.state.counter;
  }
},

Vuex์˜ state ๋ณ€๊ฒฝ์„ ๊ฐ ์ปดํฌ๋„ŒํŠธ์—์„œ ์ˆ˜ํ–‰ํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ ๋‹ค์Œ๊ณผ ๊ฐ™์ด Vuex์—์„œ ์ˆ˜ํ–‰ํ•˜๋„๋กํ•˜๊ณ , ๊ฐ ์ปดํฌ๋„ŒํŠธ์—์„œ ์ˆ˜ํ–‰ ๋กœ์ง์„ ํ˜ธ์ถœํ•  ์ˆ˜ ์žˆ๋‹ค.

import Vue from 'vue'
import Vuex from 'vuex'

Vue.use(Vuex)

export default new Vuex.Store({
  state: {
      counter: 0
  },
  getters: {
      getCounter( state ) {
          return state.counter;
      }
  },
  mutations: {
  },
  actions: {
  },
  modules: {
  }
});
// App.vue
computed: {
  parentCounter() {
    this.$store.getters.getCounter;
  }
},
// Child.vue
computed: {
  childCounter() {
    this.$store.getters.getCounter;
  }
},

mapGetters

Vuex์— ๋‚ด์žฅ๋œ helperํ•จ์ˆ˜์ด๋‹ค. mapGetters๋กœ ๋” ์ง๊ด€์ ์ด๊ฒŒ ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•  ์ˆ˜ ์žˆ๋‹ค.

<!-- App.vue -->
<div id="app">
  Parent counter : {{ parentCounter }}
</div>
// App.vue
import { mapGetters } from 'vuex'

export default({
  computed: mapGetters({
    parentCounter: 'getCounter'
  })
});

๋˜๋Š” Vuex์˜ getters ์†์„ฑ ์ด๋ฆ„๊ณผ ์ปดํฌ๋„ŒํŠธ์˜ computed ์†์„ฑ์„ ๋™์ผํ•˜๊ฒŒ ํ•ด ๋” ๊ฐ„๋‹จํ•˜๊ฒŒ ์„ ์–ธํ•  ์ˆ˜ ์žˆ๋‹ค.

<!-- App.vue -->
<div id="app">
  Parent counter : {{ getCounter }}
</div>
// App.vue
import { mapGetters } from 'vuex'

export default({
  computed: mapGetters([
    'getCounter'
  ]),
});

์œ„ ๋ฐฉ๋ฒ•๋“ค์€ ์ปดํฌ๋„ŒํŠธ ์ž์ฒด์—์„œ ์‚ฌ์šฉํ•  computed ์†์„ฑ๊ณผ ํ•จ๊ป˜ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†๋‹ค. ES6์˜ ... ๋ฌธ๋ฒ•์„ ์‚ฌ์šฉํ•˜์—ฌ ํ•ด๊ฒฐํ•  ์ˆ˜ ์žˆ๋‹ค.

// App.vue
import { mapGetters } from 'vuex'

computed: {
  ...mapGetters([
    'getCounter'
  ]),
  anotherCounter() {
    // ...
  }
}

๋‹ค๋งŒ ... ๋ฌธ๋ฒ•์„ ์‚ฌ์šฉํ•˜๋ฉด babel stage-2 ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ์„ค์น˜ ๋ฐ ์„ค์ •์ด ํ•„์š”ํ•˜๋‹ค.

Mutations

Vuex์˜ state(๋ฐ์ดํ„ฐ) ๊ฐ’์„ ๋ณ€๊ฒฝํ•˜๋Š” ๋กœ์ง์„ ์˜๋ฏธํ•œ๋‹ค.

vs Getters

  • ์ธ์ž๋ฅผ ๋ฐ›์•„ Vuex์— ๋„˜๊ฒจ์ค„ ์ˆ˜ ์žˆ๋‹ค.

  • computed๊ฐ€ ์•„๋‹Œ methods์— ๋“ฑ๋กํ•œ๋‹ค.

vs Actions

  • Mutations๋Š” ๋™๊ธฐ ๋กœ์ง์„ ์ •์˜ํ•œ๋‹ค.

  • Actions๋Š” ๋น„๋™๊ธฐ ๋กœ์ง์„ ์ •์˜ํ•œ๋‹ค.

Mutations์˜ ์„ฑ๊ฒฉ์ƒ ์ •์˜ํ•œ ๋กœ์ง๋“ค์ด ์ˆœ์ฐจ์ ์œผ๋กœ ์ผ์–ด๋‚˜์•ผ ๊ฐ ์ปดํฌ๋„ŒํŠธ์˜ ๋ฐ˜์˜ ์—ฌ๋ถ€๋ฅผ ์ œ๋Œ€๋กœ ์ถ”์ ํ•  ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค.

Mutations์„ ์ด์šฉํ•ด ์ƒํƒœ ๋ณ€ํ™”๋ฅผ ๋ช…์‹œ์ ์œผ๋กœ ์ˆ˜ํ–‰ํ•จ์œผ๋กœ์จ testing, debugging, Vue์˜ Reactive ์„ฑ์งˆ ์ค€์ˆ˜๋ฅผ ํ•  ์ˆ˜ ์žˆ๋‹ค.

๋‹ค์Œ๊ณผ ๊ฐ™์ด commit ์œผ๋กœ state๋ฅผ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ๋‹ค.

import Vue from "vue";
import Vuex from "vuex";

Vue.use(Vuex);

export default new Vuex.Store({
  state: {
    counter: 0
  },
  getters: {
    getCounter(state) {
      return state.counter;
    }
  },
  mutations: {
    addCounter(state, payload) {
      return state.counter++;
    }
  }
});
export default {
  methods: {
    addCounter() {
      this.$store.commit('addCounter');
    },
    subCounter() {
      this.$store.commit('subCounter');
    }
  },
  ...
};

.commit ์„ ์ด์šฉํ•˜์—ฌ mutations ์ด๋ฒคํŠธ๋ฅผ ํ˜ธ์ถœํ•˜์—ฌ ์ƒํƒœ ๊ฐ’์„ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ๋‹ค.

์ธ์ž ๊ฐ’ ๋„˜๊ธฐ๊ธฐ

this.$store.commit('subCounter', 10);
this.$store.commit('subCounter', {
  value: 10,
  arr: ["1", "3"]
});

ํŠน์ •ํ•œ ๊ฐ’์„ ๋„˜๊ธฐ๊ณ  ์‹ถ์œผ๋ฉด ๋‘๋ฒˆ์งธ ์ธ์ž๋ฅผ ์ถ”๊ฐ€ํ•ด ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ๋‹ค. ์ „๋‹ฌ๋œ ์ธ์ž ๊ฐ’์€ vuex์—์„œ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ๋ฐ›์„ ์ˆ˜ ์žˆ๋‹ค.

mutations: {
  addCounter(state, payload) {
    state.counter = payload.value;
  }
}

์—ฌ๊ธฐ์„œ ๋ฐ์ดํ„ฐ ์ธ์ž๋ช…์€ ๋ณดํ†ต payload๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค.

mapMutations

Vuex์˜ ๋‚ด์žฅ๋œ helper๋กœ mapMutations๋ฅผ ์ด์šฉํ•ด ์ฝ”๋“œ ๊ฐ€๋…์„ฑ์„ ๋†’์ผ ์ˆ˜ ์žˆ๋‹ค.

// App.vue
import { mapMutations } from 'vuex'

methods: {
  ...mapMutations([
    'addCounter'
  ]),
  ...mapMutations({
    addCounter: 'addCounter'
  })
}

Vuex ์˜ Mutations ๋ฉ”์„œ๋“œ ๋ช…๊ณผ App.vue ๋ฉ”์„œ๋“œ ๋ช…์ด ๋™์ผํ•  ๋•Œ [] ์‚ฌ์šฉํ•˜๋ฉฐ, ๋ช…์นญ์ด ๋‹ค๋ฅธ ๊ฒฝ์šฐ์—๋Š” {}๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค.

Actions

Mutations๋Š” state๊ด€๋ฆฌ๋ฅผ ์ฃผ๋กœ ํ•˜๋ฉฐ, ์ƒํƒœ ๊ด€๋ฆฌ๋Š” ํ•œ ๋ฐ์ดํ„ฐ์— ๋Œ€ํ•ด ์—ฌ๋Ÿฌ ์ปดํฌ๋„ŒํŠธ๊ฐ€ ๊ด€์—ฌํ•˜๋Š” ๊ฒƒ์„ ํšจ์œจ์ ์œผ๋กœ ํ•˜๊ธฐ ์œ„ํ•จ์ด๋ฏ€๋กœ ๋น„๋™๊ธฐ ์ฒ˜๋ฆฌ ๋กœ์ง์„ ํฌํ•จํ•˜์ง€ ์•Š๋Š”๋‹ค. Actions์—์„œ ๋น„๋™๊ธฐ ์ฒ˜๋ฆฌ ๋กœ์ง์„ ๊ด€๋ฆฌํ•œ๋‹ค.

setTimeout() ์ด๋‚˜ ์„œ๋ฒ„์™€์˜ http ํ†ต์‹ ๊ณผ ๊ฐ™์ด ๊ฒฐ๊ณผ๋ฅผ ๋ฐ›์•„์˜ค๋Š” ์‹œ๊ฐ„์ด ์˜ˆ์ธก๋˜์ง€ ์•Š๋Š” ๋กœ์ง์€ actions์— ์„ ์–ธํ•œ๋‹ค.

import Vue from "vue";
import Vuex from "vuex";

Vue.use(Vuex);

export default new Vuex.Store({
    ...
   actions: {
    addCounter(context) {
      return context.commit('addCounter');
    }
  }
});
// App.vue
methods: {
  // Actions ๋ฅผ ์ด์šฉํ•  ๋•Œ
  addCounter() {
    this.$store.dispatch('addCounter');
  }
},

Actions๋ฅผ ํ˜ธ์ถœํ•  ๋•Œ๋Š” .dispatch() ๋ฅผ ์ด์šฉํ•œ๋‹ค.

Actions์—์„œ ์ธ์ž๋ฅผ ๋„˜๊ธฐ๋Š” ๋ฐฉ๋ฒ•์€ Mutations์™€ ์œ ์‚ฌํ•˜๋‹ค.

mapActions

mapActions๋„ ์œ„์˜ map๊ณผ ๋™์ผํ•œ ๋ฐฉ์‹์œผ๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.

import {mapActions} from 'vuex';

export default {
  methods: {
    ...mapActions([
      'asyncIncrement',
      'asyncDecrement'
    ])
  },
}

์ฐธ์กฐ

Vuex ์‹œ์ž‘ํ•˜๊ธฐ1~3
Vuex ๊ณต์‹๋ฌธ์„œ