1 files changed, 5 insertions, 0 deletions
diff --git a/packages/backend/src/misc/is-not-null.ts b/packages/backend/src/misc/is-not-null.ts
new file mode 100644
index 0000000000..d89a1957be
--- /dev/null
+++ b/packages/backend/src/misc/is-not-null.ts
@@ -0,0 +1,5 @@
+// we are using {} as "any non-nullish value" as expected
+// eslint-disable-next-line @typescript-eslint/ban-types
+export function isNotNull<T extends {}>(input: T | undefined | null): input is T {
+	return input != null;
+}