isOnlyNewMounts() — react Function Reference

Architecture documentation for the isOnlyNewMounts() function in ReactFiberCompleteWork.js from the react codebase.

Function javascript BabelCompiler Validation called by 1

Entity Profile

BabelCompiler→ Validation→ isOnlyNewMounts() — react Function Reference

Dependency Diagram

graph TD
  aaabecbd_5898_fbd7_8415_625b28a23f43["isOnlyNewMounts()"]
  6b05669d_2f09_63a5_e79f_0afc195f25a3["ReactFiberCompleteWork.js"]
  aaabecbd_5898_fbd7_8415_625b28a23f43 -->|defined in| 6b05669d_2f09_63a5_e79f_0afc195f25a3
  0b8db832_87fd_e560_8aa8_e2b319c81626["completeWork()"]
  0b8db832_87fd_e560_8aa8_e2b319c81626 -->|calls| aaabecbd_5898_fbd7_8415_625b28a23f43
  style aaabecbd_5898_fbd7_8415_625b28a23f43 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-reconciler/src/ReactFiberCompleteWork.js lines 770–779

function isOnlyNewMounts(tail: Fiber): boolean {
  let fiber: null | Fiber = tail;
  while (fiber !== null) {
    if (fiber.alternate !== null) {
      return false;
    }
    fiber = fiber.sibling;
  }
  return true;
}