1 files changed, 8 insertions, 0 deletions
diff --git a/popperjs/package/lib/utils/getBasePlacement.js.flow b/popperjs/package/lib/utils/getBasePlacement.js.flow
new file mode 100644
index 0000000..56916a1
--- /dev/null
+++ b/popperjs/package/lib/utils/getBasePlacement.js.flow
@@ -0,0 +1,8 @@
+// @flow
+import { type BasePlacement, type Placement, auto } from '../enums';
+
+export default function getBasePlacement(
+  placement: Placement | typeof auto
+): BasePlacement {
+  return (placement.split('-')[0]: any);
+}