Add dialogOptions options (#158)

Co-authored-by: Pio Neto <pio.neto@db1.com.br>
Co-authored-by: Sindre Sorhus <sindresorhus@gmail.com>

index.d.ts

@@ -1,4 +1,4 @@
-import {BrowserView, BrowserWindow, DownloadItem} from 'electron';
+import {BrowserView, BrowserWindow, DownloadItem, SaveDialogOptions} from 'electron';
 
 declare namespace electronDl {
 	interface Progress {
@@ -118,6 +118,15 @@ declare namespace electronDl {
 		@default false
 		*/
 		readonly overwrite?: boolean;
+
+		/**
+		Customize the save dialog.
+
+		If `defaultPath` is not explicity defined, a default value is assigned based on the file path.
+
+		@default {}
+		*/
+		readonly dialogOptions?: SaveDialogOptions;
 	}
 }
 

index.js

@@ -87,7 +87,7 @@ function registerListener(session, options, callback = () => {}) {
 		const errorMessage = options.errorMessage || 'The download of {filename} was interrupted';
 
 		if (options.saveAs) {
-			item.setSaveDialogOptions({defaultPath: filePath});
+			item.setSaveDialogOptions({defaultPath: filePath, ...options.dialogOptions});
 		} else {
 			item.setSavePath(filePath);
 		}

readme.md

@@ -213,6 +213,15 @@ Allow downloaded files to overwrite files with the same name in the directory th
 
 The default behavior is to append a number to the filename.
 
+#### dialogOptions
+
+Type: [`SaveDialogOptions`](https://www.electronjs.org/docs/latest/api/download-item#downloaditemsetsavedialogoptionsoptions)\
+Default: `{}`
+
+Customize the save dialog.
+
+If `defaultPath` is not explicity defined, a default value is assigned based on the file path.
+
 ## Development
 
 After making changes, run the automated tests: