diff --git a/app/assets/javascripts/truth-helpers/app/helpers/has.js b/app/assets/javascripts/truth-helpers/app/helpers/has.js
new file mode 100644
index 00000000000..f74111648a9
--- /dev/null
+++ b/app/assets/javascripts/truth-helpers/app/helpers/has.js
@@ -0,0 +1 @@
+export { default } from "truth-helpers/helpers/has";
diff --git a/app/assets/javascripts/truth-helpers/src/helpers/has.js b/app/assets/javascripts/truth-helpers/src/helpers/has.js
new file mode 100644
index 00000000000..c17d622fb7a
--- /dev/null
+++ b/app/assets/javascripts/truth-helpers/src/helpers/has.js
@@ -0,0 +1,3 @@
+export default function has(set, item) {
+  return set.has(item);
+}
diff --git a/app/assets/javascripts/truth-helpers/src/index.js b/app/assets/javascripts/truth-helpers/src/index.js
index c0cdf0395c7..05a9a071ce9 100644
--- a/app/assets/javascripts/truth-helpers/src/index.js
+++ b/app/assets/javascripts/truth-helpers/src/index.js
@@ -1,10 +1,11 @@
-export { default as and } from "./helpers/and.js";
-export { default as eq } from "./helpers/eq.js";
-export { default as gt } from "./helpers/gt.js";
-export { default as gte } from "./helpers/gte.js";
-export { default as includes } from "./helpers/includes.js";
-export { default as lt } from "./helpers/lt.js";
-export { default as lte } from "./helpers/lte.js";
-export { default as notEq } from "./helpers/not-eq.js";
-export { default as not } from "./helpers/not.js";
-export { default as or } from "./helpers/or.js";
+export { default as and } from "./helpers/and";
+export { default as eq } from "./helpers/eq";
+export { default as gt } from "./helpers/gt";
+export { default as gte } from "./helpers/gte";
+export { default as has } from "./helpers/has";
+export { default as includes } from "./helpers/includes";
+export { default as lt } from "./helpers/lt";
+export { default as lte } from "./helpers/lte";
+export { default as not } from "./helpers/not";
+export { default as notEq } from "./helpers/not-eq";
+export { default as or } from "./helpers/or";