add typeof window check

swyxio · Apr 30, 2019 · fd71cca · fd71cca
1 parent 128ae40
commit fd71cca
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/index.tsx b/src/index.tsx
@@ -67,7 +67,7 @@ export function useInput(
   let _initialValue = initialValue
 
   // safely check localstorage and coerce the right types
-  if (window && window.localStorage && typeof localStorageName === "string") {
+  if (typeof window !== 'undefined' && window.localStorage && typeof localStorageName === "string") {
     let v = localStorage.getItem(localStorageName)
     if (v && typeof initialValue === "number") _initialValue = Number(v)
     else if (v && Array.isArray(v)) _initialValue = v.split(STRINGARRAYSERIALIZER)
@@ -83,7 +83,7 @@ export function useInput(
     }
     const val = e.target.value
     setValue(val)
-    if (window && window.localStorage && typeof localStorageName === "string") {
+    if (typeof window !== 'undefined' && window.localStorage && typeof localStorageName === "string") {
       if (val !== initialValue) {
         localStorage.setItem(localStorageName, String(Array.isArray(val) ? val.join(STRINGARRAYSERIALIZER) : val))
       } else {
@@ -128,7 +128,7 @@ export function useCheckInput(
   let _initialValue = initialValue
 
   // safely check localstorage and coerce the right types
-  if (window && window.localStorage && typeof localStorageName === "string") {
+  if (typeof window !== 'undefined' && window.localStorage && typeof localStorageName === "string") {
     let v = localStorage.getItem(localStorageName)
     _initialValue = v === "true" // dont cast strings with Boolean lol
   }
@@ -140,7 +140,7 @@ export function useCheckInput(
     }
     const val = e.target.checked
     setValue(val)
-    if (window && window.localStorage && typeof localStorageName === "string") {
+    if (typeof window !== 'undefined' && window.localStorage && typeof localStorageName === "string") {
       if (val !== initialValue) {
         localStorage.setItem(localStorageName, String(val))
       } else {