fix: correctly calculate the start of the next minute (#73)

* fix: correctly calculate the start of the next minute

* fix

src/abax-client.test.ts

@@ -1,3 +1,4 @@
+import { addMilliseconds } from 'date-fns';
 import { type Interceptable, MockAgent, setGlobalDispatcher } from 'undici';
 import { beforeEach, describe, expect, it } from 'vitest';
 import { AbaxClient } from './main.js';
@@ -32,6 +33,14 @@ describe('abax-client', () => {
       })
       .reply(() => ({
         statusCode: 429,
+        responseOptions: {
+          headers: {
+            'X-Rate-Limit-Reset': addMilliseconds(
+              new Date(),
+              100,
+            ).toISOString(),
+          },
+        },
       }))
       .times(4);
 
@@ -50,6 +59,14 @@ describe('abax-client', () => {
       })
       .reply(() => ({
         statusCode: 429,
+        responseOptions: {
+          headers: {
+            'X-Rate-Limit-Reset': addMilliseconds(
+              new Date(),
+              100,
+            ).toISOString(),
+          },
+        },
       }))
       .times(3);
 

src/common/__tests__/utils.test.ts

@@ -0,0 +1,11 @@
+import { describe, expect, it } from 'vitest';
+import { startOfTheNextMinute } from '../utils';
+
+describe('utils', () => {
+  it('should get the start of the next minute correctly', () => {
+    const now = new Date('2023-01-01T16:47:36.351Z');
+    const next = startOfTheNextMinute(now);
+
+    expect(next.toISOString()).toBe('2023-01-01T16:48:00.000Z');
+  });
+});

src/common/utils.ts

@@ -1,4 +1,4 @@
-import { addMinutes, setMilliseconds, setSeconds } from 'date-fns';
+import { addMinutes, set } from 'date-fns';
 import type { z } from 'zod';
 
 export function withZod<T extends z.ZodTypeAny, Output = z.infer<T>>(
@@ -43,10 +43,13 @@ export function makeBody(data: {
   return params;
 }
 
-export function startOfTheNextMinute(): Date {
-  const now = new Date();
-  addMinutes(now, 1);
-  setSeconds(now, 0);
-  setMilliseconds(now, 0);
-  return now;
+export function startOfTheNextMinute(fromDate?: Date): Date {
+  const now = fromDate ?? new Date();
+
+  const zeroSeconds = set(now, {
+    seconds: 0,
+    milliseconds: 0,
+  });
+
+  return addMinutes(zeroSeconds, 1);
 }