Only throw custom exceptions.

getUploadsFromPage no longer throws

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.4.2
+- Implement `getSrt` a video closed captions in srt format.
+- Only throw custom exceptions from the library.
+
 ## 1.4.1+1
 - Bug fixes
 

lib/src/reverse_engineering/responses/channel_upload_page.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 
 import 'package:html/dom.dart';
 import 'package:html/parser.dart' as parser;
+import 'package:youtube_explode_dart/src/exceptions/exceptions.dart';
 
 import '../../channels/channel_video.dart';
 import '../../extensions/helpers_extension.dart';
@@ -106,7 +107,7 @@ class _InitialData {
               ['items']
           .cast<Map<String, dynamic>>();
     }
-    throw Exception('Couldn\'t find the content data');
+    throw FatalFailureException('Failed to get initial data context.');
   }
 
   Map<String, dynamic> getContinuationContext(Map<String, dynamic> root) {

lib/src/reverse_engineering/responses/search_page.dart

@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'package:html/dom.dart';
 import 'package:html/parser.dart' as parser;
 
+import '../../../youtube_explode_dart.dart';
 import '../../extensions/helpers_extension.dart';
 import '../../playlists/playlist_id.dart';
 import '../../retry.dart';
@@ -131,7 +132,7 @@ class _InitialData {
               ['itemSectionContinuation']['contents']
           .cast<Map<String, dynamic>>();
     }
-    throw Exception('Couldn\'t find the content data');
+    throw FatalFailureException('Failed to get initial data context.');
   }
 
   Map<String, dynamic> getContinuationContext(Map<String, dynamic> root) {

lib/src/videos/comments/comments_client.dart

@@ -44,12 +44,10 @@ class CommentsClient {
   /// a page contains at most 20 comments, use .take if you want to limit
   /// the results.
   ///
-  /// Throws an exception if the given video has not a watch page available.
-  /// this happens for the videos from playlist or search queries.
+  /// The streams doesn't emit any data if [Video.hasWatchPage] is false.
   Stream<Comment> getComments(Video video) async* {
     if (video.watchPage == null) {
-      //TODO: Implement custom exception.
-      throw Exception('Watch page not available for this video');
+      return;
     }
     yield* _getComments(
         video.watchPage.initialData.continuation,

lib/src/videos/video.dart

@@ -46,6 +46,9 @@ class Video with EquatableMixin {
   /// Shouldn't be used in the code.
   final WatchPage watchPage;
 
+  /// Returns true if the watch page is available for this video.
+  bool get hasWatchPage => watchPage != null;
+
   /// Initializes an instance of [Video]
   Video(
       this.id,