Merge branch 'develop' of github.com:matrix-org/matrix-react-sdk into anoa/new_spinner

* 'develop' of github.com:matrix-org/matrix-react-sdk:
  bandaid
  make js-sdk import happy?
  ts-ignore because something is made of fail
  js-sdk imports suck
  Iterate on the new room list resize handle
  Welcome no longer needs any props
  unexport things which need not exporting
  Instead of passing sso and cas urls to Welcome, route via start_sso and start_cas
  Move to mx_sso_hs_url and co for sso persistance to not conflict with guest creds
  Fix Welcome.html URLs
  improve typing
  Add account and room-account data hooks
  Create a StaticNotificationState for representative purposes
  Add StyledRadioGroup to simplify use of StyledRadioButton and use in Appearance Tab

src/components/views/elements/StyledRadioGroup.tsx

@@ -0,0 +1,61 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+import classNames from "classnames";
+
+import StyledRadioButton from "./StyledRadioButton";
+
+interface IDefinition<T extends string> {
+    value: T;
+    className?: string;
+    disabled?: boolean;
+    label: React.ReactChild;
+    description?: React.ReactChild;
+}
+
+interface IProps<T extends string> {
+    name: string;
+    className?: string;
+    definitions: IDefinition<T>[];
+    value?: T; // if not provided no options will be selected
+    onChange(newValue: T);
+}
+
+function StyledRadioGroup<T extends string>({name, definitions, value, className, onChange}: IProps<T>) {
+    const _onChange = e => {
+        onChange(e.target.value);
+    };
+
+    return <React.Fragment>
+        {definitions.map(d => <React.Fragment>
+            <StyledRadioButton
+                key={d.value}
+                className={classNames(className, d.className)}
+                onChange={_onChange}
+                checked={d.value === value}
+                name={name}
+                value={d.value}
+                disabled={d.disabled}
+            >
+                {d.label}
+            </StyledRadioButton>
+            {d.description}
+        </React.Fragment>)}
+    </React.Fragment>;
+}
+
+export default StyledRadioGroup;