export default function(id: string): void { if (!id) throw new Error('ID cannot be empty'); // Allow a few exceptions that existed before the limit was added if (id.length < 16 && !['Outline', 'outline', 'MyPlugin'].includes(id)) throw new Error('ID cannot be shorter than 16 characters'); if (id.length > 256) throw new Error('ID cannot be longer than 256 characters'); const whitelist = '0-9a-zA-Z._-'; const regex = new RegExp(`^[${whitelist}]+$`); if (!id.match(regex)) throw new Error(`ID "${id}" contains invalid characters. Only the characters "${whitelist}" are allowed.`); if (!id[0].match(/[0-9a-zA-Z]/)) throw new Error('ID can only start with a number or letter'); if (!id[id.length - 1].match(/[0-9a-zA-Z]/)) throw new Error('ID can only end with a number or letter'); }