diff --git a/core/src/utils/type-guards.ts b/core/src/utils/type-guards.ts
new file mode 100644
index 0000000000..e5ea629954
--- /dev/null
+++ b/core/src/utils/type-guards.ts
@@ -0,0 +1,6 @@
+/** 
+ * Checks input for usable number. Not NaN and not Infinite.
+ */
+export const isSafeNumber = (input: unknown): input is number => {
+  return typeof input === 'number' && !isNaN(input) && isFinite(input);
+};