Migrate Welcome to TypeScript

src/components/views/auth/Welcome.tsx

@@ -0,0 +1,75 @@
+/*
+Copyright 2019 New Vector Ltd
+
+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 * as sdk from '../../../index';
+import SdkConfig from '../../../SdkConfig';
+import AuthPage from "./AuthPage";
+import { _td } from "../../../languageHandler";
+import SettingsStore from "../../../settings/SettingsStore";
+import { UIFeature } from "../../../settings/UIFeature";
+import CountlyAnalytics from "../../../CountlyAnalytics";
+import { replaceableComponent } from "../../../utils/replaceableComponent";
+
+// translatable strings for Welcome pages
+_td("Sign in with SSO");
+
+interface IProps {
+
+}
+
+@replaceableComponent("views.auth.Welcome")
+export default class Welcome extends React.PureComponent<IProps> {
+    constructor(props: IProps) {
+        super(props);
+
+        CountlyAnalytics.instance.track("onboarding_welcome");
+    }
+
+    public render(): React.ReactNode {
+        const EmbeddedPage = sdk.getComponent('structures.EmbeddedPage');
+        const LanguageSelector = sdk.getComponent('auth.LanguageSelector');
+
+        const pagesConfig = SdkConfig.get().embeddedPages;
+        let pageUrl = null;
+        if (pagesConfig) {
+            pageUrl = pagesConfig.welcomeUrl;
+        }
+        if (!pageUrl) {
+            pageUrl = 'welcome.html';
+        }
+
+        return (
+            <AuthPage>
+                <div className={classNames("mx_Welcome", {
+                    mx_WelcomePage_registrationDisabled: !SettingsStore.getValue(UIFeature.Registration),
+                })}>
+                    <EmbeddedPage
+                        className="mx_WelcomePage"
+                        url={pageUrl}
+                        replaceMap={{
+                            "$riot:ssoUrl": "#/start_sso",
+                            "$riot:casUrl": "#/start_cas",
+                        }}
+                    />
+                    <LanguageSelector />
+                </div>
+            </AuthPage>
+        );
+    }
+}