Support for joining New Groups via invite links

ts/state/smart/GroupV2JoinDialog.tsx

@@ -0,0 +1,36 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { connect } from 'react-redux';
+import { mapDispatchToProps } from '../actions';
+import {
+  GroupV2JoinDialog,
+  PropsType as GroupV2JoinDialogPropsType,
+} from '../../components/GroupV2JoinDialog';
+import { StateType } from '../reducer';
+
+import { getIntl } from '../selectors/user';
+import { getPreJoinConversation } from '../selectors/conversations';
+
+export type PropsType = Pick<GroupV2JoinDialogPropsType, 'join' | 'onClose'>;
+
+const mapStateToProps = (
+  state: StateType,
+  props: PropsType
+): GroupV2JoinDialogPropsType => {
+  const preJoinConversation = getPreJoinConversation(state);
+
+  if (!preJoinConversation) {
+    throw new Error('smart/GroupV2JoinDialog: No pre-join conversation!');
+  }
+
+  return {
+    ...props,
+    ...preJoinConversation,
+    i18n: getIntl(state),
+  };
+};
+
+const smart = connect(mapStateToProps, mapDispatchToProps);
+
+export const SmartGroupV2JoinDialog = smart(GroupV2JoinDialog);