isMemoCallback() — react Function Reference

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

Function typescript BabelCompiler Entrypoint calls 1 called by 1

Entity Profile

BabelCompiler→ Entrypoint→ isMemoCallback() — react Function Reference

Dependency Diagram

graph TD
  ee42cd13_5e0a_8266_50bb_9daa20e7a0b2["isMemoCallback()"]
  9aa4477d_960b_1ea1_b6d9_36076aaa70bd["Program.ts"]
  ee42cd13_5e0a_8266_50bb_9daa20e7a0b2 -->|defined in| 9aa4477d_960b_1ea1_b6d9_36076aaa70bd
  2bfe28c2_c730_2f65_86db_f782c4b5a3e5["getComponentOrHookLike()"]
  2bfe28c2_c730_2f65_86db_f782c4b5a3e5 -->|calls| ee42cd13_5e0a_8266_50bb_9daa20e7a0b2
  c475eaae_58c2_0cdb_d73f_64cab87dbc41["isReactAPI()"]
  ee42cd13_5e0a_8266_50bb_9daa20e7a0b2 -->|calls| c475eaae_58c2_0cdb_d73f_64cab87dbc41
  style ee42cd13_5e0a_8266_50bb_9daa20e7a0b2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/Entrypoint/Program.ts lines 1098–1104

function isMemoCallback(path: NodePath<t.Expression>): boolean {
  return (
    path.parentPath.isCallExpression() &&
    path.parentPath.get('callee').isExpression() &&
    isReactAPI(path.parentPath.get('callee'), 'memo')
  );
}