Function assertCanCreateHook

packages/core/src/runtime/instances.ts:361–367

(index: number, kind: HookState["kind"])

  const mutableState = state as MutableInstanceState;

  function assertCanCreateHook(index: number, kind: HookState["kind"]): void {
    if (mutableState.expectedHookCount !== null && index >= mutableState.expectedHookCount) {
      throw new Error(
        `Hook count mismatch at index ${index}: rendered more hooks than previous render while reading ${kind}`,
      );
    }
  }

  function getHookIndex(): number {
    const index = mutableState.hookIndex;