Function joinPath

frontend/src/react/router/routes.tsx:42–47

(parent: string, child: string)

];

function joinPath(parent: string, child: string): string {
  if (!child) return parent || "/";
  const left = parent.endsWith("/") ? parent.slice(0, -1) : parent;
  const right = child.startsWith("/") ? child : `/${child}`;
  return `${left}${right}` || "/";
}

// Flatten the nested route table into a `name -> full path pattern` map,
// joining parent/child segments. Registered into `navigation.ts` at app boot so