getOrInsertDefault() — react Function Reference

Architecture documentation for the getOrInsertDefault() function in makeReadOnly.ts from the react codebase.

Function typescript BabelCompiler Optimization called by 1

Entity Profile

BabelCompiler→ Optimization→ getOrInsertDefault() — react Function Reference

Dependency Diagram

graph TD
  5b5b0d8e_4b9b_6d8e_c1e7_c21e8d638cf4["getOrInsertDefault()"]
  d6c796a8_fd31_85fd_3d28_009b4955a0c4["makeReadOnly.ts"]
  5b5b0d8e_4b9b_6d8e_c1e7_c21e8d638cf4 -->|defined in| d6c796a8_fd31_85fd_3d28_009b4955a0c4
  13c9557e_a777_aa57_3631_07e98c11165f["buildMakeReadOnly()"]
  13c9557e_a777_aa57_3631_07e98c11165f -->|calls| 5b5b0d8e_4b9b_6d8e_c1e7_c21e8d638cf4
  style 5b5b0d8e_4b9b_6d8e_c1e7_c21e8d638cf4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/make-read-only-util/src/makeReadOnly.ts lines 39–51

function getOrInsertDefault(
  m: SavedROObjects,
  k: object,
): {existed: boolean; entry: SavedROObject} {
  const entry = m.get(k);
  if (entry) {
    return {existed: true, entry};
  } else {
    const newEntry: SavedROObject = new Map();
    m.set(k, newEntry);
    return {existed: false, entry: newEntry};
  }
}