Added displayBlankLastLineNumber setting

src/vs/editor/common/config/commonEditorConfig.ts

@@ -264,6 +264,11 @@ const editorConfiguration: IConfigurationNode = {
 			'default': 'on',
 			'description': nls.localize('lineNumbers', "Controls the display of line numbers.")
 		},
+		'editor.displayBlankLastLineNumber': {
+			'type': 'boolean',
+			'default': true,
+			'description': nls.localize('displayBlankLastLineNumber', "Controls whether last file line number is displayed when that line is blank.")
+		},
 		'editor.rulers': {
 			'type': 'array',
 			'items': {

src/vs/editor/common/config/editorOptions.ts

@@ -248,6 +248,11 @@ export interface IEditorOptions {
 	 * Defaults to true.
 	 */
 	lineNumbers?: 'on' | 'off' | 'relative' | 'interval' | ((lineNumber: number) => string);
+	/*
+	 * Controls whether last file line number is displayed when that line is blank.
+	 * Defaults to true.
+	*/
+	displayBlankLastLineNumber?: boolean;
 	/**
 	 * Should the corresponding line be selected when clicking on the line number?
 	 * Defaults to true.
@@ -951,6 +956,7 @@ export interface InternalEditorViewOptions {
 	readonly ariaLabel: string;
 	readonly renderLineNumbers: RenderLineNumbersType;
 	readonly renderCustomLineNumbers: ((lineNumber: number) => string) | null;
+	readonly displayBlankLastLineNumber: boolean;
 	readonly selectOnLineNumbers: boolean;
 	readonly glyphMargin: boolean;
 	readonly revealHorizontalRightPadding: number;
@@ -1258,6 +1264,7 @@ export class InternalEditorOptions {
 			&& a.ariaLabel === b.ariaLabel
 			&& a.renderLineNumbers === b.renderLineNumbers
 			&& a.renderCustomLineNumbers === b.renderCustomLineNumbers
+			&& a.displayBlankLastLineNumber === b.displayBlankLastLineNumber
 			&& a.selectOnLineNumbers === b.selectOnLineNumbers
 			&& a.glyphMargin === b.glyphMargin
 			&& a.revealHorizontalRightPadding === b.revealHorizontalRightPadding
@@ -1995,6 +2002,7 @@ export class EditorOptionsValidator {
 			ariaLabel: _string(opts.ariaLabel, defaults.ariaLabel),
 			renderLineNumbers: renderLineNumbers,
 			renderCustomLineNumbers: renderCustomLineNumbers,
+			displayBlankLastLineNumber: _boolean(opts.displayBlankLastLineNumber, defaults.displayBlankLastLineNumber),
 			selectOnLineNumbers: _boolean(opts.selectOnLineNumbers, defaults.selectOnLineNumbers),
 			glyphMargin: _boolean(opts.glyphMargin, defaults.glyphMargin),
 			revealHorizontalRightPadding: _clampedInt(opts.revealHorizontalRightPadding, defaults.revealHorizontalRightPadding, 0, 1000),
@@ -2115,6 +2123,7 @@ export class InternalEditorOptionsFactory {
 				ariaLabel: (accessibilityIsOff ? nls.localize('accessibilityOffAriaLabel', "The editor is not accessible at this time. Press Alt+F1 for options.") : opts.viewInfo.ariaLabel),
 				renderLineNumbers: opts.viewInfo.renderLineNumbers,
 				renderCustomLineNumbers: opts.viewInfo.renderCustomLineNumbers,
+				displayBlankLastLineNumber: opts.viewInfo.displayBlankLastLineNumber,
 				selectOnLineNumbers: opts.viewInfo.selectOnLineNumbers,
 				glyphMargin: opts.viewInfo.glyphMargin,
 				revealHorizontalRightPadding: opts.viewInfo.revealHorizontalRightPadding,
@@ -2577,6 +2586,7 @@ export const EDITOR_DEFAULTS: IValidatedEditorOptions = {
 		ariaLabel: nls.localize('editorViewAccessibleLabel', "Editor content"),
 		renderLineNumbers: RenderLineNumbersType.On,
 		renderCustomLineNumbers: null,
+		displayBlankLastLineNumber: true,
 		selectOnLineNumbers: true,
 		glyphMargin: true,
 		revealHorizontalRightPadding: 30,

src/vs/monaco.d.ts

@@ -2582,6 +2582,7 @@ declare namespace monaco.editor {
 		 * Defaults to true.
 		 */
 		lineNumbers?: 'on' | 'off' | 'relative' | 'interval' | ((lineNumber: number) => string);
+		displayBlankLastLineNumber?: boolean;
 		/**
 		 * Should the corresponding line be selected when clicking on the line number?
 		 * Defaults to true.
@@ -3219,6 +3220,7 @@ declare namespace monaco.editor {
 		readonly ariaLabel: string;
 		readonly renderLineNumbers: RenderLineNumbersType;
 		readonly renderCustomLineNumbers: ((lineNumber: number) => string) | null;
+		readonly displayBlankLastLineNumber: boolean;
 		readonly selectOnLineNumbers: boolean;
 		readonly glyphMargin: boolean;
 		readonly revealHorizontalRightPadding: number;