Function createOrReuseChildren

packages/router/src/create_router_state.ts:70–84

(
  routeReuseStrategy: RouteReuseStrategy,
  curr: TreeNode<ActivatedRouteSnapshot>,
  prevState: TreeNode<ActivatedRoute>,
  newlyCreatedRoutes: Set<ActivatedRoute>,
)

}

function createOrReuseChildren(
  routeReuseStrategy: RouteReuseStrategy,
  curr: TreeNode<ActivatedRouteSnapshot>,
  prevState: TreeNode<ActivatedRoute>,
  newlyCreatedRoutes: Set<ActivatedRoute>,
) {
  return curr.children.map((child) => {
    for (const p of prevState.children) {
      if (routeReuseStrategy.shouldReuseRoute(child.value, p.value.snapshot)) {
        return createNode(routeReuseStrategy, child, p, newlyCreatedRoutes);
      }
    }
    return createNode(routeReuseStrategy, child, undefined, newlyCreatedRoutes);
  });
}

function createActivatedRoute(c: ActivatedRouteSnapshot) {
  return new ActivatedRoute(