Fix lint errors

- Use dot notation for QUERY_TAGS configuration access
- Convert serializeQueryTags to default export

Co-authored-by: Isaac
Signed-off-by: Jiabin Hu <jiabin.hu@databricks.com>

Author: jiabin-hu

lib/DBSQLClient.ts

@@ -296,9 +296,9 @@ export default class DBSQLClient extends EventEmitter implements IDBSQLClient, I
     if (request.queryTags !== undefined) {
       const serialized = serializeQueryTags(request.queryTags);
       if (serialized) {
-        configuration['QUERY_TAGS'] = serialized;
+        configuration.QUERY_TAGS = serialized;
       } else {
-        delete configuration['QUERY_TAGS'];
+        delete configuration.QUERY_TAGS;
       }
     }
 

lib/utils/index.ts

@@ -3,7 +3,7 @@ import buildUserAgentString from './buildUserAgentString';
 import formatProgress, { ProgressUpdateTransformer } from './formatProgress';
 import LZ4 from './lz4';
 import * as ProtocolVersion from './protocolVersion';
-import { serializeQueryTags } from './queryTags';
+import serializeQueryTags from './queryTags';
 
 export {
   definedOrError,

lib/utils/queryTags.ts

@@ -9,7 +9,7 @@
  * @param queryTags - dictionary of query tag key-value pairs
  * @returns serialized string, or undefined if input is empty/null/undefined
  */
-export function serializeQueryTags(
+export default function serializeQueryTags(
   queryTags: Record<string, string | null | undefined> | null | undefined,
 ): string | undefined {
   if (queryTags == null) {

tests/unit/utils/queryTags.test.ts

@@ -1,5 +1,5 @@
 import { expect } from 'chai';
-import { serializeQueryTags } from '../../../lib/utils/queryTags';
+import serializeQueryTags from '../../../lib/utils/queryTags';
 
 describe('serializeQueryTags', () => {
   it('should return undefined for null input', () => {