feat(Snowflake Node): Add support for Key-Pair authentication (#14833)

packages/nodes-base/nodes/Snowflake/Snowflake.node.ts

@@ -10,7 +10,13 @@ import snowflake from 'snowflake-sdk';
 
 import { getResolvables } from '@utils/utilities';
 
-import { connect, destroy, execute } from './GenericFunctions';
+import {
+	connect,
+	destroy,
+	execute,
+	getConnectionOptions,
+	type SnowflakeCredential,
+} from './GenericFunctions';
 
 export class Snowflake implements INodeType {
 	description: INodeTypeDescription = {
@@ -164,16 +170,14 @@ export class Snowflake implements INodeType {
 	};
 
 	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
-		const credentials = (await this.getCredentials(
-			'snowflake',
-		)) as unknown as snowflake.ConnectionOptions;
-		const returnData: INodeExecutionData[] = [];
-		let responseData;
+		const credentials = await this.getCredentials<SnowflakeCredential>('snowflake');
 
-		const connection = snowflake.createConnection(credentials);
+		const connectionOptions = getConnectionOptions(credentials);
+		const connection = snowflake.createConnection(connectionOptions);
 
 		await connect(connection);
 
+		const returnData: INodeExecutionData[] = [];
 		const items = this.getInputData();
 		const operation = this.getNodeParameter('operation', 0);
 
@@ -189,7 +193,7 @@ export class Snowflake implements INodeType {
 					query = query.replace(resolvable, this.evaluateExpression(resolvable, i) as string);
 				}
 
-				responseData = await execute(connection, query, []);
+				const responseData = await execute(connection, query, []);
 				const executionData = this.helpers.constructExecutionMetaData(
 					this.helpers.returnJsonArray(responseData as IDataObject[]),
 					{ itemData: { item: i } },