Add supporting themes required for Lotusdocs

themes/hugo-mod-jslibs-dist/popperjs/package/lib/utils/mergeByName.js.flow

@@ -0,0 +1,22 @@
+// @flow
+import type { Modifier } from '../types';
+
+export default function mergeByName(
+  modifiers: Array<$Shape<Modifier<any, any>>>
+): Array<$Shape<Modifier<any, any>>> {
+  const merged = modifiers.reduce((merged, current) => {
+    const existing = merged[current.name];
+    merged[current.name] = existing
+      ? {
+          ...existing,
+          ...current,
+          options: { ...existing.options, ...current.options },
+          data: { ...existing.data, ...current.data },
+        }
+      : current;
+    return merged;
+  }, {});
+
+  // IE11 does not support Object.values
+  return Object.keys(merged).map(key => merged[key]);
+}