use early exit

Co-authored-by: Simon Sawicki <accounts@grub4k.xyz>

yt_dlp/extractor/microsoftembed.py

@@ -196,7 +196,10 @@ class MicrosoftLearnIE(MicrosoftMediusBaseIE):
     def _entries(self, url_base, video_id):
         skip = 0
         while True:
-            playlist_info = self._download_json(f'{url_base}&$skip={skip}', video_id, f'Downloading entries {skip}')
+            playlist_info = self._download_json(url_base, video_id, f'Downloading entries {skip}', query={
+                'locale': 'en-us',
+                '$skip': skip,
+            })
             items = traverse_obj(playlist_info, (
                 'results', ..., 'url', {lambda x: self.url_result(f'https://learn.microsoft.com/en-us{x}')}))
             yield from items
@@ -214,14 +217,17 @@ class MicrosoftLearnIE(MicrosoftMediusBaseIE):
             'description': self._og_search_description(webpage),
         }
 
-        if slug:
+        if not slug:
+            url_base = f'https://learn.microsoft.com/api/contentbrowser/search/{video_type}/{series}/{"sessions" if video_type == "events" else "episodes"}'
+            return self.playlist_result(self._entries(url_base, video_id), video_id, **metainfo)
+
         if video_type == 'events':
             return self.url_result(
                 self._search_regex(r'<meta\s+name="externalVideoUrl"\s+content="([^"]+)"', webpage, 'videoUrl'), url_transparent=True, **metainfo, **{
                     'timestamp': parse_iso8601(self._search_regex(
                         r'<meta\s+name="startDate"\s+content="([^"]+)"', webpage, 'date', default=None)),
                 })
-            else:
+
         entry_id = self._search_regex(r'<meta name="entryId" content="([^"]+)"', webpage, 'entryId')
         video_info = self._download_json(
             f'https://learn.microsoft.com/api/video/public/v1/entries/{entry_id}', video_id)
@@ -238,9 +244,6 @@ class MicrosoftLearnIE(MicrosoftMediusBaseIE):
                 'thumbnails': ('publicVideo', 'thumbnailOtherSizes', ..., {lambda x: {'url': x}}),
             }),
         }
-        else:
-            url_base = f'https://learn.microsoft.com/api/contentbrowser/search/{video_type}/{series}/{"sessions" if video_type == "events" else "episodes"}?locale=en-us'
-            return self.playlist_result(self._entries(url_base, video_id), video_id, **metainfo)
 
 
 class MicrosoftBuildIE(MicrosoftMediusBaseIE):