feat: add lud16 component and only render it in Ditto

src/features/edit-profile/index.tsx

@@ -56,6 +56,7 @@ const messages = defineMessages({
   websitePlaceholder: { id: 'edit_profile.fields.website_placeholder', defaultMessage: 'Display a Link' },
   locationPlaceholder: { id: 'edit_profile.fields.location_placeholder', defaultMessage: 'Location' },
   nip05Placeholder: { id: 'edit_profile.fields.nip05_placeholder', defaultMessage: 'user@{domain}' },
+  lud16Placeholder: { id: 'edit_profile.fields.lud16_placeholder', defaultMessage: 'user@example.com' },
   cancel: { id: 'common.cancel', defaultMessage: 'Cancel' },
 });
 
@@ -358,6 +359,19 @@ const EditProfile: React.FC = () => {
           </FormGroup>
         )}
 
+        {features.accountLud16 && (
+          <FormGroup
+            labelText={<FormattedMessage id='edit_profile.fields.lud16_label' defaultMessage='Lightning Address' />}
+          >
+            <Input
+              type='email'
+              value={data.lud16}
+              onChange={handleTextChange('lud16')}
+              placeholder={intl.formatMessage(messages.lud16Placeholder)}
+            />
+          </FormGroup>
+        )}
+
         {features.accountWebsite && (
           <FormGroup
             labelText={<FormattedMessage id='edit_profile.fields.website_label' defaultMessage='Website' />}

src/utils/features.ts

@@ -157,6 +157,12 @@ const getInstanceFeatures = (instance: Instance) => {
       v.software === DITTO,
     ]),
 
+    /**
+     * Ability to set one's lightning address on their profile.
+     * @see PATCH /api/v1/accounts/update_credentials
+     */
+    accountLud16: v.software === DITTO,
+
     /**
      * Move followers to a different ActivityPub account.
      * @see POST /api/pleroma/move_account