diff --git a/web/chat/typeahead-tooltip.react.js b/web/chat/typeahead-tooltip.react.js
--- a/web/chat/typeahead-tooltip.react.js
+++ b/web/chat/typeahead-tooltip.react.js
@@ -5,10 +5,10 @@
 
 import type { RelativeMemberInfo } from 'lib/types/thread-types';
 
-import Button from '../components/button.react';
 import type { InputState } from '../input/input-state';
 import {
   getTypeaheadTooltipActions,
+  getTypeaheadTooltipButtons,
   getTypeaheadTooltipPosition,
 } from '../utils/typeahead-utils';
 import type { TypeaheadMatchedStrings } from './chat-input-bar.react';
@@ -70,13 +70,10 @@
     [tooltipPosition],
   );
 
-  const tooltipButtons = React.useMemo(() => {
-    return actions.map(({ key, onClick, actionButtonContent }) => (
-      <Button key={key} onClick={onClick} className={css.suggestion}>
-        <span>@{actionButtonContent}</span>
-      </Button>
-    ));
-  }, [actions]);
+  const tooltipButtons = React.useMemo(
+    () => getTypeaheadTooltipButtons(actions),
+    [actions],
+  );
 
   if (!actions || actions.length === 0) {
     return null;
diff --git a/web/utils/typeahead-utils.js b/web/utils/typeahead-utils.js
--- a/web/utils/typeahead-utils.js
+++ b/web/utils/typeahead-utils.js
@@ -7,6 +7,8 @@
 import type { RelativeMemberInfo } from 'lib/types/thread-types';
 
 import { typeaheadStyle } from '../chat/chat-constants';
+import css from '../chat/typeahead-tooltip.css';
+import Button from '../components/button.react';
 
 const webTypeaheadRegex: RegExp = new RegExp(
   `(?<textPrefix>(?:^(?:.|\n)*\\s+)|^)@(?<username>${oldValidUsernameRegexString})?$`,
@@ -119,6 +121,16 @@
       actionButtonContent: stringForUserExplicit(suggestedUser),
     }));
 }
+
+function getTypeaheadTooltipButtons(
+  actions: $ReadOnlyArray<TypeaheadTooltipAction>,
+): $ReadOnlyArray<React.Node> {
+  return actions.map(({ key, onClick, actionButtonContent }) => (
+    <Button key={key} onClick={onClick} className={css.suggestion}>
+      <span>@{actionButtonContent}</span>
+    </Button>
+  ));
+}
 function getTypeaheadTooltipPosition(
   textarea: HTMLTextAreaElement,
   actionsLength: number,
@@ -158,6 +170,7 @@
   webTypeaheadRegex,
   getCaretOffsets,
   getTypeaheadTooltipActions,
+  getTypeaheadTooltipButtons,
   getTypeaheadTooltipPosition,
   positiveModulo,
 };