fix: make sure that environment dont break

emkis · Apr 5, 2022 · 0ff8162 · 0ff8162
1 parent 0e178c3
commit 0ff8162
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/src/data-layer/data-layer.ts b/src/data-layer/data-layer.ts
@@ -15,13 +15,13 @@ export function createDataLayerModule(): DataLayerModule {
   }
 
   function assertIsAvailable() {
-    const isServer = typeof window === 'undefined'
-    const isDefined = typeof window.dataLayer !== 'undefined'
-    const isArray = Array.isArray(window.dataLayer)
+    const isServer = () => typeof window === 'undefined'
+    const isDefined = () => typeof window.dataLayer !== 'undefined'
+    const isArray = () => Array.isArray(window.dataLayer)
 
-    if (isServer) throwIsServer()
-    else if (!isDefined) throwIsNotDefined()
-    else if (!isArray) throwIsNotArray()
+    if (isServer()) throwIsServer()
+    else if (!isDefined()) throwIsNotDefined()
+    else if (!isArray()) throwIsNotArray()
   }
 
   return {