Add method to get formatting options from configuration

Author: Kapil Borle

src/features/DocumentFormatter.ts

@@ -200,10 +200,7 @@ class PSDocumentFormattingEditProvider implements
             DocumentFormattingRequest.type,
             {
                 textDocument: TextDocumentIdentifier.create(document.uri.toString()),
-                options: {
-                    insertSpaces: true,
-                    tabSize: 4
-                }
+                options: this.getEditorSettings()
             });
     }
 
@@ -449,6 +446,14 @@ class PSDocumentFormattingEditProvider implements
         return settings;
     }
 
+    private getEditorSettings(): { insertSpaces: boolean, tabSize: number} {
+        let editorConfiguration = vscode.workspace.getConfiguration("editor");
+        return {
+            insertSpaces: editorConfiguration.get<boolean>("insertSpaces"),
+            tabSize: editorConfiguration.get<number>("tabSize")
+        };
+    }
+
     private static showStatusBar(document: TextDocument, hideWhenDone: Thenable<any>): void {
         let statusBar = AnimatedStatusBar.showAnimatedStatusBarMessage("Formatting PowerShell document", hideWhenDone);
         this.statusBarTracker[document.uri.toString()] = statusBar;