Add hack isNumeric type guard to workaround https://github.com/microsoft/TypeScript/issues/39879
Add hack isNumeric type guard to workaround https://github.com/microsoft/TypeScript/issues/39879

jumpinjackie/mapguide-react-layout,jumpinjackie/mapguide-react-layout,jumpinjackie/mapguide-react-layout,jumpinjackie/mapguide-react-layout,jumpinjackie/mapguide-react-layout