reimplement diff and move it to ui-components

scm-ui-components/packages/ui-components/src/repos/Diff.js

@@ -0,0 +1,37 @@
+//@flow
+import React from "react";
+import { Diff2Html } from "diff2html";
+
+
+type Props = {
+  diff: string,
+  sideBySide: boolean
+};
+
+class Diff extends React.Component<Props> {
+
+  static defaultProps = {
+    sideBySide: false
+  };
+
+  render() {
+    const { diff, sideBySide } = this.props;
+
+    const options = {
+      inputFormat: "diff",
+      outputFormat: sideBySide ? "side-by-side" : "line-by-line",
+      showFiles: false,
+      matching: "lines"
+    };
+
+    const outputHtml = Diff2Html.getPrettyHtml(diff, options);
+
+    return (
+      // eslint-disable-next-line react/no-danger
+      <div dangerouslySetInnerHTML={{ __html: outputHtml }} />
+    );
+  }
+
+}
+
+export default Diff;