in src/common_tags.ts [28:38]
export function validate_tags(tags: Record<string, string>): Record<string, string> {
const valid_tags: Record<string, string> = {};
for (const key in tags) {
const val = tags[key];
if (key.length == 0 || val.length == 0) continue;
valid_tags[key] = val;
}
return valid_tags;
}