chore: drop moment

packages/uhk-common/package.json

@@ -24,7 +24,6 @@
     "buffer": "6.0.3",
     "lodash.isequal": "4.5.0",
     "md5": "2.3.0",
-    "moment": "2.30.1",
     "tslib": "2.8.1"
   },
   "license": "GPL-3.0"

packages/uhk-common/src/util/user-configuration-history-helpers.test.ts

@@ -0,0 +1,39 @@
+import { describe, it } from 'node:test';
+
+import {
+    convertHistoryFilenameToDisplayText,
+    convertDateToDisplayText,
+    getUserConfigHistoryFilename,
+} from './user-configuration-history-helpers.js';
+
+it('getUserConfigHistoryFilename should return with proper name', ({ assert, mock }) => {
+    const md5Hash = '1234567890abcdef1234567890abcdef';
+    const fakeNow = new Date(2026, 4, 28, 15, 23, 45)
+    mock.timers.enable({ apis: ['Date'], now: fakeNow })
+    const filename = getUserConfigHistoryFilename(md5Hash);
+
+    assert.strictEqual(filename, '20260528-152345-1234567890abcdef1234567890abcdef.bin');
+});
+
+it('convertDateToDisplayText should properly format date', ({ assert }) => {
+    const testDate = new Date(2026, 4, 28, 15, 23, 45);
+    const displayText = convertDateToDisplayText(testDate);
+
+    assert.strictEqual(displayText, '2026-05-28 15:23:45');
+});
+
+describe('convertHistoryFilenameToDisplayText', () => {
+    it('should properly parses filename', ({ assert }) => {
+        const testFilename = '20260528-152345-1234567890abcdef1234567890abcdef.bin';
+        const displayText = convertHistoryFilenameToDisplayText(testFilename);
+
+        assert.strictEqual(displayText, '2026-05-28 15:23:45');
+    });
+
+    it('should return with "Invalid date" when filename length shorter than 15 character', ({ assert }) => {
+        const testFilename = '20260528-15234';
+        const displayText = convertHistoryFilenameToDisplayText(testFilename);
+
+        assert.strictEqual(displayText, 'Invalid date');
+    });
+})

packages/uhk-common/src/util/user-configuration-history-helpers.ts

@@ -1,20 +1,62 @@
-import moment from 'moment';
-
-export const FILENAME_DATE_FORMAT = 'YYYYMMDD-HHmmss';
-export const DISPLAY_DATE_FORMAT = 'YYYY-MM-DD HH:mm:ss';
-
 export function getUserConfigHistoryFilename(md5Hash: string): string {
-    const timestamp = moment().format(FILENAME_DATE_FORMAT);
+    const timestamp = formatFilenameTimestamp(new Date());
 
     return `${timestamp}-${md5Hash}.bin`;
 }
 
 export function convertHistoryFilenameToDisplayText(filename: string): string {
-    const timestamp = filename.substring(0, 16);
+    // simulates moment.js behavior
+    if (filename.length < 15) {
+        return 'Invalid date';
+    }
+
+    const timestamp = filename.substring(0, 15);
 
-    return moment(timestamp, FILENAME_DATE_FORMAT).format(DISPLAY_DATE_FORMAT);
+    const year = timestamp.substring(0, 4);
+    const month = timestamp.substring(4, 6);
+    const day = timestamp.substring(6, 8);
+    // index 8 is the '-' separator
+    const hours = timestamp.substring(9, 11);
+    const minutes = timestamp.substring(11, 13);
+    const seconds = timestamp.substring(13, 15);
+
+    return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
 }
 
+/**
+ * Formats a Date as `YYYY-MM-DD HH:mm:ss` using local time.
+ */
 export function convertDateToDisplayText(date: Date): string {
-    return moment(date).format(DISPLAY_DATE_FORMAT);
+    const segments = getDateSegments(date);
+
+    return `${segments.year}-${segments.month}-${segments.day} ${segments.hours}:${segments.minutes}:${segments.seconds}`;
+}
+
+/**
+ * Formats a Date as `YYYYMMDD-HHmmss` using local time.
+ */
+function formatFilenameTimestamp(date: Date): string {
+    const segments = getDateSegments(date);
+
+    return `${segments.year}${segments.month}${segments.day}-${segments.hours}${segments.minutes}${segments.seconds}`;
+}
+
+interface DateSegments {
+    year: string;
+    month: string;
+    day: string;
+    hours: string;
+    minutes: string;
+    seconds: string;
+}
+
+function getDateSegments(date: Date): DateSegments {
+    return {
+        year: date.getFullYear().toString().padStart(4, '0'),
+        month: (date.getMonth() + 1).toString().padStart(2, '0'),
+        day: date.getDate().toString().padStart(2, '0'),
+        hours: date.getHours().toString().padStart(2, '0'),
+        minutes: date.getMinutes().toString().padStart(2, '0'),
+        seconds: date.getSeconds().toString().padStart(2, '0'),
+    };
 }