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reducer() — react Function Reference

Architecture documentation for the reducer() function in store.js from the react codebase.

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Entity Profile

Dependency Diagram

graph TD
  f7a7de75_f71d_59c6_8dce_49813eb8f9a0["reducer()"]
  e9e7b3e6_4275_acdb_c5b3_61ea066365d4["store.js"]
  f7a7de75_f71d_59c6_8dce_49813eb8f9a0 -->|defined in| e9e7b3e6_4275_acdb_c5b3_61ea066365d4
  style f7a7de75_f71d_59c6_8dce_49813eb8f9a0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

fixtures/nesting/src/store.js lines 3–10

function reducer(state = 0, action) {
  switch (action.type) {
    case 'increment':
      return state + 1;
    default:
      return state;
  }
}

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does reducer() do?
reducer() is a function in the react codebase, defined in fixtures/nesting/src/store.js.
Where is reducer() defined?
reducer() is defined in fixtures/nesting/src/store.js at line 3.

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