Fix Edit as well as “Delete & Redraft” on a poll not inserting empty option (#35892)

app/javascript/mastodon/actions/compose.js

@@ -96,11 +96,16 @@ export const ensureComposeIsVisible = (getState) => {
 };
 
 export function setComposeToStatus(status, text, spoiler_text) {
-  return{
-    type: COMPOSE_SET_STATUS,
-    status,
-    text,
-    spoiler_text,
+  return (dispatch, getState) => {
+    const maxOptions = getState().server.getIn(['server', 'configuration', 'polls', 'max_options']);
+
+    dispatch({
+      type: COMPOSE_SET_STATUS,
+      status,
+      text,
+      spoiler_text,
+      maxOptions,
+    });
   };
 }
 

app/javascript/mastodon/actions/statuses.js

@@ -90,10 +90,15 @@ export function fetchStatusFail(id, error, skipLoading) {
 }
 
 export function redraft(status, raw_text) {
-  return {
-    type: REDRAFT,
-    status,
-    raw_text,
+  return (dispatch, getState) => {
+    const maxOptions = getState().server.getIn(['server', 'configuration', 'polls', 'max_options']);
+
+    dispatch({
+      type: REDRAFT,
+      status,
+      raw_text,
+      maxOptions,
+    });
   };
 }
 

app/javascript/mastodon/reducers/compose.js

@@ -504,8 +504,13 @@ export default function compose(state = initialState, action) {
       }
 
       if (action.status.get('poll')) {
+        let options = ImmutableList(action.status.get('poll').options.map(x => x.title));
+        if (options.size < action.maxOptions) {
+          options = options.push('');
+        }
+
         map.set('poll', ImmutableMap({
-          options: action.status.getIn(['poll', 'options']).map(x => x.get('title')),
+          options: options,
           multiple: action.status.getIn(['poll', 'multiple']),
           expires_in: expiresInFromExpiresAt(action.status.getIn(['poll', 'expires_at'])),
         }));
@@ -533,8 +538,13 @@ export default function compose(state = initialState, action) {
       }
 
       if (action.status.get('poll')) {
+        let options = ImmutableList(action.status.get('poll').options.map(x => x.title));
+        if (options.size < action.maxOptions) {
+          options = options.push('');
+        }
+
         map.set('poll', ImmutableMap({
-          options: action.status.getIn(['poll', 'options']).map(x => x.get('title')),
+          options: options,
           multiple: action.status.getIn(['poll', 'multiple']),
           expires_in: expiresInFromExpiresAt(action.status.getIn(['poll', 'expires_at'])),
         }));