add "Hide all child comments" functionality to keyboard navigation

lib/modules/hideChildComments.js

@@ -34,7 +34,7 @@ module.include = [
  'comments',
 ];
 
-let initialHide;
+let initialHide, toggleAllButton;
 
 module.beforeLoad = () => {
  initialHide = module.options.automatic.value &&
@@ -77,6 +77,7 @@ const addToggleAllButton = _.once(thing => {
  e.preventDefault();
  toggle(a.getAttribute('action'));
  });
+ toggleAllButton = a;
 
  toggle(initialHide ? 'hide' : 'show');
 
@@ -123,6 +124,12 @@ function addToggleChildrenButton(comment) {
  menu.appendChild(li);
 }
 
+export function toggleAll() {
+ const button = toggleAllButton;
+ if (!button) throw new Error('Toggle all button not found');
+ button.click();
+}
+
 export function toggle(thing: *) {
  const button = thing.entry.querySelector('a.toggleChildren');
  if (!button) throw new Error('Toggle button not found');

lib/modules/keyboardNav.js

@@ -596,6 +596,16 @@ module.options = {
  HideChildComments.toggle(selected);
  },
  },
+ showAllChildComments: {
+ type: 'keycode',
+ requiresModule: HideChildComments,
+ value: [67, false, false, true, false], // shift-c
+ description: 'keyboardNavShowAllChildCommentsDesc',
+ title: 'keyboardNavShowAllChildCommentsTitle',
+ callback() {
+ HideChildComments.toggleAll();
+ },
+ },
  followPermalink: {
  type: 'keycode',
  include: ['comments', 'commentsLinklist', 'inbox'],

locales/locales/en.json

@@ -765,6 +765,12 @@
  "keyboardNavShowChildCommentsDesc": {
  "message": "Show/hide the child comments tree (comment pages only)."
  },
+ "keyboardNavShowAllChildCommentsTitle": {
+ "message": "Show all child comments"
+ },
+ "keyboardNavShowAllChildCommentsDesc": {
+ "message": "Show/hide all child comments on the page (comment pages only)."
+ },
  "keyboardNavFollowPermalinkTitle": {
  "message": "Follow Permalink"
  },