Initial commit 🎉

fbshipit-source-id: b6fc29740c6875d2e78953b8a7123890a67930f2
Co-authored-by: Sebastian McKenzie <sebmck@fb.com>
Co-authored-by: John Knox <jknox@fb.com>
Co-authored-by: Emil Sjölander <emilsj@fb.com>
Co-authored-by: Pritesh Nandgaonkar <prit91@fb.com>

src/chrome/ErrorBar.js

@@ -0,0 +1,28 @@
+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ */
+
+import {styled, colors} from 'sonar';
+
+const ErrorBarContainer = styled.view({
+  backgroundColor: colors.cherry,
+  bottom: 0,
+  color: '#fff',
+  left: 0,
+  lineHeight: '26px',
+  position: 'absolute',
+  right: 0,
+  textAlign: 'center',
+  zIndex: 2,
+});
+
+export default function ErrorBar(props: {|text: ?string|}) {
+  if (props.text == null) {
+    return null;
+  } else {
+    return <ErrorBarContainer>{props.text}</ErrorBarContainer>;
+  }
+}