feat: Add support for TransportStream options (#775)

* feat: Add support for TransportStream options

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* fix the link

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: losalex

handwritten/nodejs-logging-winston/src/index.ts

@@ -105,6 +105,16 @@ export interface Options extends LoggingOptions {
    * By default this value is true
    */
   useMessageField?: boolean;
+
+  /**
+   * Additional parameters for {@link TransportStream}. For more information on parameters,
+   * please see [winston-transport](https://github.com/winstonjs/winston-transport/blob/0e5e4c0056188a74e24407ee066902fb113bd8de/index.js#L8).
+   */
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  format?: any;
+  silent?: boolean;
+  handleExceptions?: boolean;
+  handleRejections?: boolean;
 }
 
 /**
@@ -196,6 +206,10 @@ export class LoggingWinston extends TransportStream {
     options = options || {};
     super({
       level: options.level,
+      format: options.format,
+      silent: options.silent,
+      handleExceptions: options.handleExceptions,
+      handleRejections: options.handleRejections,
     });
     this.common = new LoggingCommon(options);
   }

handwritten/nodejs-logging-winston/test/index.ts

@@ -138,6 +138,26 @@ describe('logging-winston', () => {
         OPTIONS.serviceContext
       );
     });
+
+    it('should pass all parameters to TransportStream', () => {
+      const level = 'INFO';
+      const format = 'FORMAT';
+      const optionsWithTransportStreamparameters = Object.assign({}, OPTIONS, {
+        level: level,
+        format: format,
+        silent: true,
+        handleExceptions: true,
+        handleRejections: false,
+      });
+      new loggingWinstonLib.LoggingWinston(
+        optionsWithTransportStreamparameters
+      );
+      assert.strictEqual(fakeLoggingOptions_!.level, level);
+      assert.strictEqual(fakeLoggingOptions_!.format, format);
+      assert.strictEqual(fakeLoggingOptions_!.silent, true);
+      assert.strictEqual(fakeLoggingOptions_!.handleExceptions, true);
+      assert.strictEqual(fakeLoggingOptions_!.handleRejections, false);
+    });
   });
 
   describe('log', () => {