add mockup for content classes

scm-ui/src/repos/content/components/SourcecodeViewer.js

@@ -0,0 +1,39 @@
+// @flow
+import React from "react";
+import { translate } from "react-i18next";
+import { apiClient } from "@scm-manager/ui-components";
+
+type Props = {
+  t: string => string
+};
+
+type State = {
+  content: string
+};
+
+class SourcecodeViewer extends React.Component<Props, State> {
+  constructor(props: Props) {
+    super(props);
+
+    this.state = {
+      content: ""
+    };
+  }
+
+  componentDidMount() {}
+
+  render() {
+    return null;
+  }
+}
+
+export function getContent(url: string) {
+  return apiClient
+    .get(url)
+    .then(response => response.text())
+    .catch(err => {
+      return null;
+    });
+}
+
+export default translate("repos")(SourcecodeViewer);