feat(getNow): improve the current time acquisition method (#878)

package.json

@@ -75,6 +75,7 @@
     "luxon": "3.x",
     "mockdate": "^3.0.2",
     "moment": "^2.24.0",
+    "moment-timezone": "^0.5.45",
     "np": "^10.0.2",
     "prettier": "^3.1.0",
     "rc-test": "^7.0.9",

src/generate/dayjs.ts

@@ -107,7 +107,14 @@ const parseNoMatchNotice = () => {
 
 const generateConfig: GenerateConfig<Dayjs> = {
   // get
-  getNow: () => dayjs(),
+  getNow: () => {
+    const now = dayjs();
+    // https://github.com/ant-design/ant-design/discussions/50934
+    if (typeof now.tz === 'function') {
+      return now.tz(); // use default timezone
+    }
+    return now;
+  },
   getFixedDate: (string) => dayjs(string, ['YYYY-M-DD', 'YYYY-MM-DD']),
   getEndDate: (date) => date.endOf('month'),
   getWeekDay: (date) => {

tests/generateWithTZ.spec.tsx

@@ -0,0 +1,43 @@
+import MockDate from 'mockdate';
+import dayjsGenerateConfig from '../src/generate/dayjs';
+
+import dayjs from 'dayjs';
+import utc from 'dayjs/plugin/utc';
+import timezone from 'dayjs/plugin/timezone';
+import moment from 'moment-timezone';
+
+dayjs.extend(utc);
+dayjs.extend(timezone);
+
+const CN = 'Asia/Shanghai';
+const JP = 'Asia/Tokyo';
+
+beforeEach(() => {
+  MockDate.set(new Date());
+  dayjs.tz.setDefault(CN);
+  moment.tz.setDefault(CN);
+});
+
+afterEach(() => {
+  dayjs.tz.setDefault();
+  moment.tz.setDefault();
+  MockDate.reset();
+});
+
+describe('dayjs: getNow', () => {
+  it('normal', () => {
+    const D_now = dayjsGenerateConfig.getNow();
+    const M_now = moment();
+
+    expect(D_now.format()).toEqual(M_now.format());
+  });
+
+  it('should work normally in timezone', async () => {
+    dayjs.tz.setDefault(JP);
+    const D_now = dayjsGenerateConfig.getNow();
+    const M_now = moment().tz(JP);
+
+    expect(D_now.format()).toEqual(M_now.format());
+    expect(D_now.get('hour') - D_now.utc().get('hour')).toEqual(9);
+  });
+});

tsconfig.json

@@ -19,6 +19,7 @@
     "src/**/*.tsx",
     "docs/examples/*.tsx",
     "tests/**/*.ts",
-    "tests/**/*.tsx"
+    "tests/**/*.tsx",
+    "typings.d.ts"
   ]
 }

typings.d.ts

@@ -0,0 +1,3 @@
+import 'dayjs/plugin/timezone';
+
+export {};