Add supporting themes required for Lotusdocs

themes/hugo-mod-jslibs-dist/popperjs/package/lib/modifiers/popperOffsets.js.flow

@@ -0,0 +1,26 @@
+// @flow
+import type { ModifierArguments, Modifier } from '../types';
+import computeOffsets from '../utils/computeOffsets';
+
+function popperOffsets({ state, name }: ModifierArguments<{||}>) {
+  // Offsets are the actual position the popper needs to have to be
+  // properly positioned near its reference element
+  // This is the most basic placement, and will be adjusted by
+  // the modifiers in the next step
+  state.modifiersData[name] = computeOffsets({
+    reference: state.rects.reference,
+    element: state.rects.popper,
+    strategy: 'absolute',
+    placement: state.placement,
+  });
+}
+
+// eslint-disable-next-line import/no-unused-modules
+export type PopperOffsetsModifier = Modifier<'popperOffsets', {||}>;
+export default ({
+  name: 'popperOffsets',
+  enabled: true,
+  phase: 'read',
+  fn: popperOffsets,
+  data: {},
+}: PopperOffsetsModifier);