c() — react Function Reference

Architecture documentation for the c() function in index.ts from the react codebase.

Function typescript BabelCompiler Validation

Entity Profile

BabelCompiler→ Validation→ c() — react Function Reference

Dependency Diagram

graph TD
  51ed763c_4eb3_a856_041a_9afce60df687["c()"]
  e7e94027_87c5_661b_dd97_be583c709eb3["index.ts"]
  51ed763c_4eb3_a856_041a_9afce60df687 -->|defined in| e7e94027_87c5_661b_dd97_be583c709eb3
  style 51ed763c_4eb3_a856_041a_9afce60df687 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/react-compiler-runtime/src/index.ts lines 28–40

    : function c(size: number) {
        return React.useMemo<Array<unknown>>(() => {
          const $ = new Array(size);
          for (let ii = 0; ii < size; ii++) {
            $[ii] = $empty;
          }
          // This symbol is added to tell the react devtools that this array is from
          // useMemoCache.
          // @ts-ignore
          $[$empty] = true;
          return $;
        }, []);
      };