From dd6d2a7ce50e7ff02e00995ccc87f8f929ad9709 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Wed, 3 Nov 2021 14:23:55 +0100
Subject: Improve advanced input filter

---
 shared/core-utils/utils/array.ts | 13 +++++++++++++
 shared/core-utils/utils/index.ts |  1 +
 2 files changed, 14 insertions(+)
 create mode 100644 shared/core-utils/utils/array.ts

(limited to 'shared')

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
+}
diff --git a/shared/core-utils/utils/index.ts b/shared/core-utils/utils/index.ts
index a71977d88..8d16365a8 100644
--- a/shared/core-utils/utils/index.ts
+++ b/shared/core-utils/utils/index.ts
@@ -1 +1,2 @@
+export * from './array'
 export * from './object'
-- 
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