Added "zxx" (no linguistic content) in available video languages (#4631)

* Added "zxx" (no linguistic content) in available video languages

Implements https://github.com/Chocobozzz/PeerTube/issues/1489

* FIx lint

* Fix lint

* Put other languages below instance languages

Co-authored-by: Chocobozzz <me@florianbigard.com>

2 files changed, 6 insertions, 2 deletions

diff --git a/client/src/app/+videos/+video-edit/shared/video-edit.component.ts b/client/src/app/+videos/+video-edit/shared/video-edit.component.ts
index b4638c2df..39767f258 100644
--- a/client/src/app/+videos/+video-edit/shared/video-edit.component.ts
+++ b/client/src/app/+videos/+video-edit/shared/video-edit.component.ts
@@ -178,9 +178,11 @@ export class VideoEditComponent implements OnInit, OnDestroy {
       .subscribe(res => {
         this.videoLanguages = res.languages
           .map(l => {
+            if (l.id === 'zxx') return { ...l, group: $localize`Other`, groupOrder: 1 }
+
             return res.about.instance.languages.includes(l.id)
               ? { ...l, group: $localize`Instance languages`, groupOrder: 0 }
-              : { ...l, group: $localize`All languages`, groupOrder: 1 }
+              : { ...l, group: $localize`All languages`, groupOrder: 2 }
           })
           .sort((a, b) => a.groupOrder - b.groupOrder)
       })
diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index c61c01d62..70b8e3d27 100644
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -1075,7 +1075,9 @@ function buildLanguages () {
     epo: true, // Esperanto
     tlh: true, // Klingon
     jbo: true, // Lojban
-    avk: true // Kotava
+    avk: true, // Kotava
+
+    zxx: true // No linguistic content (ISO-639-2)
   }
 
   // Only add ISO639-1 languages and some sign languages (ISO639-3)