export default function ({ messages }) { return { visitor: { Scope({ scope }) { for (let name in scope.bindings) { let binding = scope.bindings[name]; if (binding.kind !== "const" && binding.kind !== "module") continue; for (let violation of (binding.constantViolations: Array)) { throw violation.buildCodeFrameError(messages.get("readOnly", name)); } } }, } }; }