isMemoCallback() — react Function Reference

Architecture documentation for the isMemoCallback() function in RulesOfHooks.ts from the react codebase.

Function typescript BabelCompiler Validation calls 1 called by 2

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BabelCompiler→ Validation→ isMemoCallback() — react Function Reference

Dependency Diagram

graph TD
  c846db86_f5e0_0014_473e_35406d2b6173["isMemoCallback()"]
  47fb9f02_49dd_1d0d_5027_9353a6a77f1e["RulesOfHooks.ts"]
  c846db86_f5e0_0014_473e_35406d2b6173 -->|defined in| 47fb9f02_49dd_1d0d_5027_9353a6a77f1e
  e33d7f9c_2333_764f_8ca1_79868b065cbf["isInsideComponentOrHook()"]
  e33d7f9c_2333_764f_8ca1_79868b065cbf -->|calls| c846db86_f5e0_0014_473e_35406d2b6173
  be7612d8_31aa_c40a_35d5_89fd476ab28a["rule.create()"]
  be7612d8_31aa_c40a_35d5_89fd476ab28a -->|calls| c846db86_f5e0_0014_473e_35406d2b6173
  9eb81230_6bf0_4b3b_544b_2eb312b931aa["isReactFunction()"]
  c846db86_f5e0_0014_473e_35406d2b6173 -->|calls| 9eb81230_6bf0_4b3b_544b_2eb312b931aa
  style c846db86_f5e0_0014_473e_35406d2b6173 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/eslint-plugin-react-hooks/src/rules/RulesOfHooks.ts lines 89–96

function isMemoCallback(node: Node): boolean {
  return !!(
    node.parent &&
    'callee' in node.parent &&
    node.parent.callee &&
    isReactFunction(node.parent.callee, 'memo')
  );
}