fix(utils): set fixed locale for date in report.md

Author: matejchalk

packages/utils/src/lib/formatting.ts

@@ -52,6 +52,16 @@ export function formatDuration(duration: number): string {
   return `${(duration / 1000).toFixed(2)} s`;
 }
 
+export function formatDate(date: Date): string {
+  const locale = 'en-US'; // fixed locale to ensure consistency
+  return date
+    .toLocaleString(locale, {
+      dateStyle: 'medium',
+      timeStyle: 'short',
+    })
+    .replace(/\u202F/g, ' '); // see https://github.com/nodejs/node/issues/45171
+}
+
 export function truncateText(text: string, maxChars: number): string {
   if (text.length <= maxChars) {
     return text;

packages/utils/src/lib/formatting.unit.test.ts

@@ -1,6 +1,7 @@
 import { describe, expect, it } from 'vitest';
 import {
   formatBytes,
+  formatDate,
   formatDuration,
   pluralize,
   pluralizeToken,
@@ -75,6 +76,19 @@ describe('formatDuration', () => {
   });
 });
 
+describe('formatDate', () => {
+  it('should produce human-readable date and time in English', () => {
+    expect(formatDate(new Date('2024-01-23T09:50:09.606Z'))).toBe(
+      'Jan 23, 2024, 9:50 AM',
+    );
+  });
+
+  // see https://github.com/nodejs/node/issues/45171
+  it('should not include narrow non-breaking space', () => {
+    expect(formatDate(new Date())).not.toMatch(' ');
+  });
+});
+
 describe('truncateText', () => {
   it('should replace overflowing text with ellipsis', () => {
     expect(truncateText('All work and no play makes Jack a dull boy', 32)).toBe(

packages/utils/src/lib/reports/__snapshots__/generate-md-report.integration.test.ts.snap

@@ -421,7 +421,7 @@ ESLint rule **prefer-arrow-callback**. [📖 Docs](https://eslint.org/docs/lates
 
 ## About
 
-Report was created by [Code PushUp](https://github.com/flowup/quality-metrics-cli#readme) on Wed Sep 15 2021 00:00:00 GMT+0000 (Coordinated Universal Time).
+Report was created by [Code PushUp](https://github.com/flowup/quality-metrics-cli#readme) on Sep 15, 2021, 12:00 AM.
 
 |Commit|Version|Duration|Plugins|Categories|Audits|
 |:--|:--:|:--:|:--:|:--:|:--:|

packages/utils/src/lib/reports/generate-md-report.ts

@@ -1,5 +1,5 @@
 import { AuditReport, CategoryConfig, Issue } from '@code-pushup/models';
-import { formatDuration, slugify } from '../formatting';
+import { formatDate, formatDuration, slugify } from '../formatting';
 import { CommitData } from '../git';
 import { NEW_LINE } from './constants';
 import {
@@ -229,7 +229,8 @@ function reportToAboutSection(
   report: ScoredReport,
   commitData: CommitData | null,
 ): string {
-  const date = new Date().toString();
+  const date = formatDate(new Date());
+
   const { duration, version, plugins, categories } = report;
   const commitInfo = commitData
     ? `${commitData.message} (${commitData.hash.slice(0, 7)})`