1 files changed, 13 insertions, 0 deletions

diff --git a/shared/core-utils/utils/array.ts b/shared/core-utils/utils/array.ts
new file mode 100644
index 000000000..9e326a5aa
--- /dev/null
+++ b/shared/core-utils/utils/array.ts
@@ -0,0 +1,13 @@
+function findCommonElement <T> (array1: T[], array2: T[]) {
+  for (const a of array1) {
+    for (const b of array2) {
+      if (a === b) return a
+    }
+  }
+
+  return null
+}
+
+export {
+  findCommonElement
+}