use reflow to migrate from flow to typescript

scm-ui/ui-components/src/buttons/SubmitButton.tsx

@@ -0,0 +1,33 @@
+import React from 'react';
+import Button, { ButtonProps } from './Button';
+
+type SubmitButtonProps = ButtonProps & {
+  scrollToTop: boolean;
+};
+
+class SubmitButton extends React.Component<SubmitButtonProps> {
+  static defaultProps = {
+    scrollToTop: true,
+  };
+
+  render() {
+    const { action, scrollToTop } = this.props;
+    return (
+      <Button
+        type="submit"
+        color="primary"
+        {...this.props}
+        action={event => {
+          if (action) {
+            action(event);
+          }
+          if (scrollToTop) {
+            window.scrollTo(0, 0);
+          }
+        }}
+      />
+    );
+  }
+}
+
+export default SubmitButton;