export const isValidIdentifier = (name: string) => { return /^[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*$/.test(name); }; export const ensureValidClassName = (name: string) => { if (!isValidIdentifier(name)) { return `$${name.replace(/[^_$a-zA-Z0-9]/g, '')}`; } return name; };