fix(sort): convert Date to ISO string

src/runtime/query/match/utils.ts

@@ -67,9 +67,18 @@ export const sortList = (data: any[], params: SortOptions) => {
   for (const key of keys) {
     data = data.sort((a, b) => {
       const values = [get(a, key), get(b, key)]
-        // `null` values are treated as `"null"` strings and ordered alphabetically
-        // Turn `null` values into `undefined` so they place at the end of the list
-        .map(value => value === null ? undefined : value)
+        .map((value) => {
+          // `null` values are treated as `"null"` strings and ordered alphabetically
+          // Turn `null` values into `undefined` so they place at the end of the list
+          if (value === null) {
+            return undefined
+          }
+          // Convert Date object to ISO string
+          if (value instanceof Date) {
+            return value.toISOString()
+          }
+          return value
+        })
       if (params[key] === -1) {
         values.reverse()
       }

test/features/query/query.test.ts

@@ -75,6 +75,28 @@ describe('Database Provider', () => {
     })
   })
 
+  test('Apply sort Date', async () => {
+    const dates = [
+      { date: new Date('2022-01-01 00:00:00.001Z') },
+      { date: new Date('2021-01-01 00:00:00.001Z') },
+      { date: new Date('2020-01-01 00:00:00.001Z') },
+      { date: new Date('2019-01-01 00:00:00.001Z') },
+      { date: new Date('2018-01-01 00:00:00.001Z') },
+      { date: new Date('1900-01-01 00:00:00.001Z') }
+    ]
+    const fetcher = createPipelineFetcher(() => Promise.resolve(dates.sort(() => 1 - Math.random())))
+
+    const sortedByDate1 = await createQuery(fetcher).sort({ date: 1 }).find()
+    ;([...dates].reverse()).forEach(({ date }, index) => {
+      expect(sortedByDate1[index].date).toBe(date)
+    })
+
+    const sortedByDate0 = await createQuery(fetcher).sort({ date: -1 }).find()
+    dates.forEach(({ date }, index) => {
+      expect(sortedByDate0[index].date).toBe(date)
+    })
+  })
+
   test('Apply sort $numeric', async () => {
     // sort string alphabetically
     const nonNumericSort = await createQuery(pipelineFetcher).sort({ numberString: 1 }).find()