Fix microsoft#138234

Author: sandy081

src/vs/workbench/contrib/extensions/browser/extensionsActions.ts

@@ -65,40 +65,7 @@ import { IPaneCompositePartService } from 'vs/workbench/services/panecomposite/b
 import { ViewContainerLocation } from 'vs/workbench/common/views';
 import { flatten } from 'vs/base/common/arrays';
 import { isBoolean } from 'vs/base/common/types';
-
-function getRelativeDateLabel(date: Date): string {
-	const delta = new Date().getTime() - date.getTime();
-
-	const year = 365 * 24 * 60 * 60 * 1000;
-	if (delta > year) {
-		const noOfYears = Math.floor(delta / year);
-		return noOfYears > 1 ? localize('noOfYearsAgo', "{0} years ago", noOfYears) : localize('one year ago', "1 year ago");
-	}
-
-	const month = 30 * 24 * 60 * 60 * 1000;
-	if (delta > month) {
-		const noOfMonths = Math.floor(delta / month);
-		return noOfMonths > 1 ? localize('noOfMonthsAgo', "{0} months ago", noOfMonths) : localize('one month ago', "1 month ago");
-	}
-
-	const day = 24 * 60 * 60 * 1000;
-	if (delta > day) {
-		const noOfDays = Math.floor(delta / day);
-		return noOfDays > 1 ? localize('noOfDaysAgo', "{0} days ago", noOfDays) : localize('one day ago', "1 day ago");
-	}
-
-	const hour = 60 * 60 * 1000;
-	if (delta > hour) {
-		const noOfHours = Math.floor(delta / day);
-		return noOfHours > 1 ? localize('noOfHoursAgo', "{0} hours ago", noOfHours) : localize('one hour ago', "1 hour ago");
-	}
-
-	if (delta > 0) {
-		return localize('just now', "Just now");
-	}
-
-	return '';
-}
+import { fromNow } from 'vs/base/common/date';
 
 export class PromptExtensionInstallFailureAction extends Action {
 
@@ -1175,7 +1142,7 @@ export class InstallAnotherVersionAction extends ExtensionAction {
 			return {
 				id: v.version,
 				label: v.version,
-				description: `${getRelativeDateLabel(new Date(Date.parse(v.date)))}${v.isPreReleaseVersion ? ` (${localize('pre-release', "pre-release")})` : ''}${v.version === this.extension!.version ? ` (${localize('current', "current")})` : ''}`,
+				description: `${fromNow(new Date(Date.parse(v.date)), true)}${v.isPreReleaseVersion ? ` (${localize('pre-release', "pre-release")})` : ''}${v.version === this.extension!.version ? ` (${localize('current', "current")})` : ''}`,
 				latest: i === 0,
 				ariaLabel: `${v.isPreReleaseVersion ? 'Pre-Release version' : 'Release version'} ${v.version}`,
 				isPreReleaseVersion: v.isPreReleaseVersion