Fix isInternalUrl for subdomain support

Refactor / reduce plumbing

app/components/Actions/index.js

@@ -1,4 +0,0 @@
-// @flow
-import Actions from './Actions';
-export { Action, Separator } from './Actions';
-export default Actions;

app/components/Alert/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Alert from './Alert';
-export default Alert;

app/components/Button/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Button from './Button';
-export default Button;

app/components/CenteredContent/index.js

@@ -1,3 +0,0 @@
-// @flow
-import CenteredContent from './CenteredContent';
-export default CenteredContent;

app/components/Collaborators/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Collaborators from './Collaborators';
-export default Collaborators;

app/components/ColorPicker/index.js

@@ -1,3 +0,0 @@
-// @flow
-import ColorPicker from './ColorPicker';
-export default ColorPicker;

app/components/CopyToClipboard/index.js

@@ -1,3 +0,0 @@
-// @flow
-import CopyToClipboard from './CopyToClipboard';
-export default CopyToClipboard;

app/components/Divider/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Divider from './Divider';
-export default Divider;

app/components/DropToImport/index.js

@@ -1,3 +0,0 @@
-// @flow
-import DropToImport from './DropToImport';
-export default DropToImport;

app/components/Editor.js

@@ -9,7 +9,6 @@ type Props = {
   bodyPlaceholder?: string,
   defaultValue?: string,
   readOnly?: boolean,
-  expandToFit?: boolean,
   history: *,
   ui: *,
 };

app/components/Empty/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Empty from './Empty';
-export default Empty;

app/components/Fade/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Fade from './Fade';
-export default Fade;

app/components/HelpText/index.js

@@ -1,3 +0,0 @@
-// @flow
-import HelpText from './HelpText';
-export default HelpText;

app/components/Highlight/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Highlight from './Highlight';
-export default Highlight;

app/components/Input/index.js

@@ -1,4 +0,0 @@
-// @flow
-import Input, { LabelText, Outline } from './Input';
-export default Input;
-export { LabelText, Outline };

app/components/Key/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Key from './key';
-export default Key;

app/components/Labeled/index.js

@@ -1,4 +0,0 @@
-// @flow
-import Labeled, { Label } from './Labeled';
-export default Labeled;
-export { Label };

app/components/Layout/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Layout from './Layout';
-export default Layout;

app/components/Modal/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Modal from './Modal';
-export default Modal;

app/components/Modals/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Modals from './Modals';
-export default Modals;

app/components/PageTitle/index.js

@@ -1,3 +0,0 @@
-// @flow
-import PageTitle from './PageTitle';
-export default PageTitle;

app/components/Popover/index.js

@@ -1,4 +0,0 @@
-// @flow
-import Popover from './Popover';
-export { Preset } from './Popover';
-export default Popover;

app/components/RouteSidebarHidden/index.js

@@ -1,3 +0,0 @@
-// @flow
-import RouteSidebarHidden from './RouteSidebarHidden';
-export default RouteSidebarHidden;

app/components/Scrollable/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Scrollable from './Scrollable';
-export default Scrollable;

app/components/Subheading/Subheading.js

@@ -1,15 +0,0 @@
-// @flow
-import styled from 'styled-components';
-
-const Subheading = styled.h3`
-  font-size: 11px;
-  font-weight: 500;
-  text-transform: uppercase;
-  color: #9fa6ab;
-  letter-spacing: 0.04em;
-  border-bottom: 1px solid #ddd;
-  padding-bottom: 10px;
-  margin-top: 30px;
-`;
-
-export default Subheading;

app/components/Subheading/index.js

@@ -1,3 +0,0 @@
-// @flow
-import Subheading from './Subheading';
-export default Subheading;

app/utils/isInternalUrl.js

@@ -1,12 +1,19 @@
 // @flow
+import parseDomain from 'parse-domain';
+
 export default function isInternalUrl(href: string) {
   if (href[0] === '/') return true;
 
-  try {
-    const outline = new URL(BASE_URL);
-    const parsed = new URL(href);
-    return parsed.hostname === outline.hostname;
-  } catch (err) {
-    return false;
+  const outline = parseDomain(BASE_URL);
+  const parsed = parseDomain(href);
+  if (
+    parsed &&
+    outline &&
+    parsed.domain === outline.domain &&
+    parsed.tld === outline.tld
+  ) {
+    return true;
   }
+
+  return false;
 }