Change server rules to be collapsible (#33039)

app/javascript/entrypoints/public.tsx

@@ -230,62 +230,6 @@ function loaded() {
       }
     },
   );
-
-  Rails.delegate(
-    document,
-    'button.status__content__spoiler-link',
-    'click',
-    function () {
-      if (!(this instanceof HTMLButtonElement)) return;
-
-      const statusEl = this.parentNode?.parentNode;
-
-      if (
-        !(
-          statusEl instanceof HTMLDivElement &&
-          statusEl.classList.contains('.status__content')
-        )
-      )
-        return;
-
-      if (statusEl.dataset.spoiler === 'expanded') {
-        statusEl.dataset.spoiler = 'folded';
-        this.textContent = new IntlMessageFormat(
-          localeData['status.show_more'] ?? 'Show more',
-          locale,
-        ).format() as string;
-      } else {
-        statusEl.dataset.spoiler = 'expanded';
-        this.textContent = new IntlMessageFormat(
-          localeData['status.show_less'] ?? 'Show less',
-          locale,
-        ).format() as string;
-      }
-    },
-  );
-
-  document
-    .querySelectorAll<HTMLButtonElement>('button.status__content__spoiler-link')
-    .forEach((spoilerLink) => {
-      const statusEl = spoilerLink.parentNode?.parentNode;
-
-      if (
-        !(
-          statusEl instanceof HTMLDivElement &&
-          statusEl.classList.contains('.status__content')
-        )
-      )
-        return;
-
-      const message =
-        statusEl.dataset.spoiler === 'expanded'
-          ? (localeData['status.show_less'] ?? 'Show less')
-          : (localeData['status.show_more'] ?? 'Show more');
-      spoilerLink.textContent = new IntlMessageFormat(
-        message,
-        locale,
-      ).format() as string;
-    });
 }
 
 Rails.delegate(
@@ -439,6 +383,24 @@ Rails.delegate(document, '#registration_new_user,#new_user', 'submit', () => {
   });
 });
 
+Rails.delegate(document, '.rules-list button', 'click', ({ target }) => {
+  if (!(target instanceof HTMLElement)) {
+    return;
+  }
+
+  const button = target.closest('button');
+
+  if (!button) {
+    return;
+  }
+
+  if (button.ariaExpanded === 'true') {
+    button.ariaExpanded = 'false';
+  } else {
+    button.ariaExpanded = 'true';
+  }
+});
+
 function main() {
   ready(loaded).catch((error: unknown) => {
     console.error(error);

app/javascript/styles/mastodon-light/diff.scss

@@ -108,17 +108,6 @@
   background: lighten($white, 4%);
 }
 
-// Change the background colors of status__content__spoiler-link
-.reply-indicator__content .status__content__spoiler-link,
-.status__content .status__content__spoiler-link {
-  background: $ui-base-color;
-
-  &:hover,
-  &:focus {
-    background: lighten($ui-base-color, 4%);
-  }
-}
-
 .account-gallery__item a {
   background-color: $ui-base-color;
 }

app/javascript/styles/mastodon/about.scss

@@ -31,13 +31,41 @@ $fluid-breakpoint: $maximum-width + 20px;
     padding-inline-start: 3em;
     font-weight: 500;
     counter-increment: list-counter;
+    min-height: 4ch;
+
+    button {
+      background: transparent;
+      border: 0;
+      padding: 0;
+      margin: 0;
+      text-align: start;
+      font: inherit;
+
+      &:hover,
+      &:focus,
+      &:active {
+        background: transparent;
+      }
+
+      &[aria-expanded='false'] .rules-list__hint {
+        white-space: nowrap;
+        overflow: hidden;
+        text-overflow: ellipsis;
+
+        @supports (-webkit-line-clamp: 2) {
+          display: -webkit-box;
+          -webkit-line-clamp: 2;
+          -webkit-box-orient: vertical;
+          white-space: normal;
+        }
+      }
+    }
 
     &::before {
       content: counter(list-counter);
       position: absolute;
       inset-inline-start: 0;
-      top: 50%;
-      transform: translateY(-50%);
+      top: 1em;
       background: $highlight-text-color;
       color: $ui-base-color;
       border-radius: 50%;

app/javascript/styles/mastodon/components.scss

@@ -1077,26 +1077,6 @@ body > [data-popper-placement] {
     color: $highlight-text-color;
   }
 
-  .status__content__spoiler-link {
-    background: $action-button-color;
-
-    &:hover,
-    &:focus {
-      background: lighten($action-button-color, 7%);
-      text-decoration: none;
-    }
-
-    &::-moz-focus-inner {
-      border: 0;
-    }
-
-    &::-moz-focus-inner,
-    &:focus,
-    &:active {
-      outline: 0 !important;
-    }
-  }
-
   .status__content__text {
     display: none;
 
@@ -1354,21 +1334,6 @@ body > [data-popper-placement] {
   color: $dark-text-color;
 }
 
-.status__content__spoiler-link {
-  display: inline-block;
-  border-radius: 2px;
-  background: transparent;
-  border: 0;
-  color: $inverted-text-color;
-  font-weight: 700;
-  font-size: 11px;
-  padding: 0 6px;
-  text-transform: uppercase;
-  line-height: 20px;
-  cursor: pointer;
-  vertical-align: top;
-}
-
 .status__wrapper--filtered {
   color: $dark-text-color;
   border: 0;
@@ -1736,11 +1701,6 @@ body > [data-popper-placement] {
       height: 24px;
       margin: -1px 0 0;
     }
-
-    .status__content__spoiler-link {
-      line-height: 24px;
-      margin: -1px 0 0;
-    }
   }
 
   .media-gallery,
@@ -2288,17 +2248,6 @@ a.account__display-name {
   .status__avatar {
     opacity: 0.5;
   }
-
-  a.status__content__spoiler-link {
-    background: $ui-base-lighter-color;
-    color: $inverted-text-color;
-
-    &:hover,
-    &:focus {
-      background: lighten($ui-base-lighter-color, 7%);
-      text-decoration: none;
-    }
-  }
 }
 
 .notification__report {
@@ -6310,15 +6259,6 @@ a.status-card {
     color: $primary-text-color;
   }
 
-  .status__content__spoiler-link {
-    color: $primary-text-color;
-    background: $ui-primary-color;
-
-    &:hover {
-      background: lighten($ui-primary-color, 8%);
-    }
-  }
-
   .dialog-option {
     align-items: center;
     gap: 12px;

app/views/auth/registrations/rules.html.haml

@@ -19,6 +19,7 @@
   %ol.rules-list
     - @rules.each do |rule|
       %li
+        %button{ type: 'button', aria: { expanded: 'false' } }
           .rules-list__text= rule.text
           .rules-list__hint= rule.hint