Fix UIFeature.Registration not applying to all paths

src/Registration.tsx

@@ -27,6 +27,8 @@ import Modal from "./Modal";
 import { _t } from "./languageHandler";
 import QuestionDialog from "./components/views/dialogs/QuestionDialog";
 import { Action } from "./dispatcher/actions";
+import SettingsStore from "./settings/SettingsStore";
+import { UIFeature } from "./settings/UIFeature";
 
 // Regex for what a "safe" or "Matrix-looking" localpart would be.
 // TODO: Update as needed for https://github.com/matrix-org/matrix-doc/issues/1514
@@ -46,29 +48,32 @@ export const SAFE_LOCALPART_REGEX = /^[a-z0-9=_\-./]+$/;
  */
 export async function startAnyRegistrationFlow(
     // eslint-disable-next-line camelcase
-    options: { go_home_on_cancel?: boolean; go_welcome_on_cancel?: boolean; screen_after?: boolean },
+    options: { go_home_on_cancel?: boolean; go_welcome_on_cancel?: boolean; screen_after?: boolean } = {},
 ): Promise<void> {
-    if (options === undefined) options = {};
     const modal = Modal.createDialog(QuestionDialog, {
         hasCancelButton: true,
         quitOnly: true,
-        title: _t("Sign In or Create Account"),
-        description: _t("Use your account or create a new one to continue."),
-        button: _t("Create Account"),
-        extraButtons: [
-            <button
-                key="start_login"
-                onClick={() => {
-                    modal.close();
-                    dis.dispatch({ action: "start_login", screenAfterLogin: options.screen_after });
-                }}
-            >
-                {_t("Sign In")}
-            </button>,
-        ],
+        title: SettingsStore.getValue(UIFeature.Registration) ? _t("Sign In or Create Account") : _t("Sign In"),
+        description: SettingsStore.getValue(UIFeature.Registration)
+            ? _t("Use your account or create a new one to continue.")
+            : _t("Use your account to continue."),
+        button: _t("Sign In"),
+        extraButtons: SettingsStore.getValue(UIFeature.Registration)
+            ? [
+                  <button
+                      key="register"
+                      onClick={() => {
+                          modal.close();
+                          dis.dispatch({ action: "start_registration", screenAfterLogin: options.screen_after });
+                      }}
+                  >
+                      {_t("Create Account")}
+                  </button>,
+              ]
+            : [],
         onFinished: (proceed) => {
             if (proceed) {
-                dis.dispatch({ action: "start_registration", screenAfterLogin: options.screen_after });
+                dis.dispatch({ action: "start_login", screenAfterLogin: options.screen_after });
             } else if (options.go_home_on_cancel) {
                 dis.dispatch({ action: Action.ViewHomePage });
             } else if (options.go_welcome_on_cancel) {

src/components/structures/UserMenu.tsx

@@ -289,7 +289,7 @@ export default class UserMenu extends React.Component<IProps, IState> {
     private renderContextMenu = (): React.ReactNode => {
         if (!this.state.contextMenuPosition) return null;
 
-        let topSection;
+        let topSection: JSX.Element | undefined;
         if (MatrixClientPeg.get().isGuest()) {
             topSection = (
                 <div className="mx_UserMenu_contextMenu_header mx_UserMenu_contextMenu_guestPrompts">
@@ -304,17 +304,19 @@ export default class UserMenu extends React.Component<IProps, IState> {
                             ),
                         },
                     )}
-                    {_t(
-                        "New here? <a>Create an account</a>",
-                        {},
-                        {
-                            a: (sub) => (
-                                <AccessibleButton kind="link_inline" onClick={this.onRegisterClick}>
-                                    {sub}
-                                </AccessibleButton>
-                            ),
-                        },
-                    )}
+                    {SettingsStore.getValue(UIFeature.Registration)
+                        ? _t(
+                              "New here? <a>Create an account</a>",
+                              {},
+                              {
+                                  a: (sub) => (
+                                      <AccessibleButton kind="link_inline" onClick={this.onRegisterClick}>
+                                          {sub}
+                                      </AccessibleButton>
+                                  ),
+                              },
+                          )
+                        : null}
                 </div>
             );
         }

src/i18n/strings/en_EN.json

@@ -368,9 +368,10 @@
     "Zambia": "Zambia",
     "Zimbabwe": "Zimbabwe",
     "Sign In or Create Account": "Sign In or Create Account",
+    "Sign In": "Sign In",
     "Use your account or create a new one to continue.": "Use your account or create a new one to continue.",
+    "Use your account to continue.": "Use your account to continue.",
     "Create Account": "Create Account",
-    "Sign In": "Sign In",
     "Default": "Default",
     "Restricted": "Restricted",
     "Moderator": "Moderator",