Hide email subscription by param from frontend

README.md

@@ -455,6 +455,10 @@ Add this snippet to the bottom of web page:
     theme: 'dark', // optional param; if it isn't defined default value ('light') will be used
     page_title: 'Moving to Remark42', // optional param; if it isn't defined `document.title` will be used
     locale: 'en' // set up locale and language, if it isn't defined default value ('en') will be used
+    show_email_subscription: false // optional param; by default it is `true` and you can see email subscription feature
+                                   // in interface when enable it from backend side
+                                   // if you set this param in `false` you will get notifications email notifications as admin
+                                   // but your users won't have interface for subscription
   };
 
   (function(c) {

frontend/app/common/config-types.ts

@@ -17,6 +17,7 @@ export interface CommentsConfig {
   page_title?: string;
   node?: string | HTMLElement;
   locale?: string;
+  show_email_subscription?: boolean;
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   __colors__?: any;
 }

frontend/app/common/settings.ts

@@ -10,6 +10,7 @@ export interface QuerySettingsType {
   theme: Theme;
   /* used in delete users data page */
   token?: string;
+  show_email_subscription?: boolean;
 }
 
 export const querySettings: Partial<QuerySettingsType> = parseQuery();
@@ -25,6 +26,9 @@ if (!querySettings.theme || THEMES.indexOf(querySettings.theme) === -1) {
   querySettings.theme = THEMES[0];
 }
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+querySettings.show_email_subscription = (querySettings.show_email_subscription as any) !== 'false';
+
 export const siteId = querySettings.site_id;
 export const pageTitle = querySettings.page_title;
 export const url = querySettings.url;

frontend/app/components/comment-form/comment-form.tsx

@@ -535,7 +535,7 @@ export class CommentForm extends Component<Props, State> {
                   {this.renderMarkdownTip()}
                   <FormattedMessage id="commentForm.subscribe-by" defaultMessage="Subscribe by" />{' '}
                   <SubscribeByRSS userId={props.user !== null ? props.user.id : null} />
-                  {StaticStore.config.email_notifications && (
+                  {StaticStore.config.email_notifications && StaticStore.query.show_email_subscription && (
                     <Fragment>
                       {' '}
                       <FormattedMessage id="commentForm.subscribe-or" defaultMessage="or" /> <SubscribeByEmail />