type LegacyAnnotation = { target?: string; tags?: string; }; // this becomes the target in the migrated annotations const migrateLegacyAnnotation = (json: LegacyAnnotation) => { // return the target annotation if (typeof json.target === 'string' && json.target) { return { fromAnnotations: true, target: json.target, textEditor: true, }; } // return the tags annotation return { queryType: 'tags', tags: (json.tags || '').split(' '), fromAnnotations: true, }; }; // eslint-ignore-next-line export const prepareAnnotation = (json: any) => { // annotation attributes are either 'tags' or 'target'(a graphite query string) // because the new annotations will also have a target attribute, {} // we need to handle the ambiguous 'target' when migrating legacy annotations // so, to migrate legacy annotations // we check that target is a string // or // there is a tags attribute with no target const resultingTarget = json.target && typeof json.target !== 'string' ? json.target : migrateLegacyAnnotation(json); json.target = resultingTarget; return json; };