lichess.annouce failed dasher xhr

ui/dasher/src/background.ts

@@ -31,20 +31,22 @@ export function ctrl(data: BackgroundData, trans: Trans, redraw: Redraw, close:
     { key: 'transp', name: trans.noarg('transparent') }
   ];
 
+  const announceFail = () => window.lichess.announce({msg: 'Failed to save background preference'});
+
   return {
     list,
     trans,
     get: () => data.current,
     set(c: string) {
       data.current = c;
-      $.post('/pref/bg', { bg: c }, reloadAllTheThings);
+      $.post('/pref/bg', { bg: c }, reloadAllTheThings).fail(announceFail);
       applyBackground(data, list);
       redraw();
     },
     getImage: () => data.image,
     setImage(i: string) {
       data.image = i;
-      $.post('/pref/bgImg', { bgImg: i }, reloadAllTheThings);
+      $.post('/pref/bgImg', { bgImg: i }, reloadAllTheThings).fail(announceFail);
       applyBackground(data, list);
       redraw();
     },

ui/dasher/src/board.ts

@@ -23,7 +23,10 @@ export function ctrl(data: BoardData, trans: Trans, redraw: Redraw, close: Close
   const readZoom = () => parseInt(getComputedStyle(document.body).getPropertyValue('--zoom')) + 100;
 
   const saveZoom = window.lichess.debounce(() => {
-    $.ajax({ method: 'post', url: '/pref/zoom?v=' + readZoom() });
+    $.ajax({
+      method: 'post',
+      url: '/pref/zoom?v=' + readZoom()
+    }).fail(() => window.lichess.announce({msg: 'Failed to save zoom'}));
   }, 1000);
 
   return {
@@ -31,7 +34,7 @@ export function ctrl(data: BoardData, trans: Trans, redraw: Redraw, close: Close
     trans,
     setIs3d(v: boolean) {
       data.is3d = v;
-      $.post('/pref/is3d', { is3d: v }, window.lichess.reload);
+      $.post('/pref/is3d', { is3d: v }, window.lichess.reload).fail(() => window.lichess.announce({msg: 'Failed to save geometry preference'}));
       redraw();
     },
     readZoom,

ui/dasher/src/piece.ts

@@ -39,7 +39,7 @@ export function ctrl(data: PieceData, trans: Trans, dimension: () => keyof Piece
       applyPiece(t, d.list, dimension() === 'd3');
       $.post('/pref/pieceSet' + (dimension() === 'd3' ? '3d' : ''), {
         set: t
-      });
+      }).fail(() => window.lichess.announce({msg: 'Failed to save piece set preference'}));
       redraw();
     },
     open

ui/dasher/src/sound.ts

@@ -41,7 +41,7 @@ export function ctrl(raw: string[], trans: Trans, redraw: Redraw, close: Close):
       else {
         api.changeSet(k);
         api.genericNotify();
-        $.post('/pref/soundSet', { set: k });
+        $.post('/pref/soundSet', { set: k }).fail(() => window.lichess.announce({msg: 'Failed to save sound preference'}));
       }
       redraw();
     },
@@ -70,9 +70,7 @@ export function view(ctrl: SoundCtrl): VNode {
     header(ctrl.trans('sound'), ctrl.close),
     h('div.content', [
       h('div.slider', { hook: { insert: vn => makeSlider(ctrl, vn) } }),
-      h('div.selector', {
-        attrs: { method: 'post', action: '/pref/soundSet' }
-      }, ctrl.makeList().map(soundView(ctrl, current)))
+      h('div.selector', ctrl.makeList().map(soundView(ctrl, current)))
     ])
   ]);
 }

ui/dasher/src/theme.ts

@@ -39,7 +39,7 @@ export function ctrl(data: ThemeData, trans: Trans, dimension: () => keyof Theme
       applyTheme(t, d.list);
       $.post('/pref/theme' + (dimension() === 'd3' ? '3d' : ''), {
         theme: t
-      });
+      }).fail(() => window.lichess.announce({msg: 'Failed to save theme preference'}));
       redraw();
     },
     open