isNonNode() — react Function Reference

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

Function typescript BabelCompiler Entrypoint called by 1

Entity Profile

BabelCompiler→ Entrypoint→ isNonNode() — react Function Reference

Dependency Diagram

graph TD
  64f8dbd3_ed74_54d9_6779_23be345f8709["isNonNode()"]
  9aa4477d_960b_1ea1_b6d9_36076aaa70bd["Program.ts"]
  64f8dbd3_ed74_54d9_6779_23be345f8709 -->|defined in| 9aa4477d_960b_1ea1_b6d9_36076aaa70bd
  2148cf00_8996_be31_be94_747fe87bb264["returnsNonNode()"]
  2148cf00_8996_be31_be94_747fe87bb264 -->|calls| 64f8dbd3_ed74_54d9_6779_23be345f8709
  style 64f8dbd3_ed74_54d9_6779_23be345f8709 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/Entrypoint/Program.ts lines 1258–1272

function isNonNode(node?: t.Expression | null): boolean {
  if (!node) {
    return true;
  }
  switch (node.type) {
    case 'ObjectExpression':
    case 'ArrowFunctionExpression':
    case 'FunctionExpression':
    case 'BigIntLiteral':
    case 'ClassExpression':
    case 'NewExpression': // technically `new Array()` is legit, but unlikely
      return true;
  }
  return false;
}