refactor(frontend): reduce type errors

1 files changed, 4 insertions, 1 deletions

diff --git a/packages/frontend/src/components/MkWindow.vue b/packages/frontend/src/components/MkWindow.vue
index 7c8ffcccf9..f23549efe4 100644
--- a/packages/frontend/src/components/MkWindow.vue
+++ b/packages/frontend/src/components/MkWindow.vue
@@ -143,6 +143,7 @@ function top() {
 }
 
 function maximize() {
+	if (rootEl.value == null) return;
 	maximized.value = true;
 	unResizedTop = rootEl.value.style.top;
 	unResizedLeft = rootEl.value.style.left;
@@ -155,6 +156,7 @@ function maximize() {
 }
 
 function unMaximize() {
+	if (rootEl.value == null) return;
 	maximized.value = false;
 	rootEl.value.style.top = unResizedTop;
 	rootEl.value.style.left = unResizedLeft;
@@ -163,6 +165,7 @@ function unMaximize() {
 }
 
 function minimize() {
+	if (rootEl.value == null) return;
 	minimized.value = true;
 	unResizedWidth = rootEl.value.style.width;
 	unResizedHeight = rootEl.value.style.height;
@@ -171,8 +174,8 @@ function minimize() {
 }
 
 function unMinimize() {
+	if (rootEl.value == null) return;
 	const main = rootEl.value;
-	if (main == null) return;
 
 	minimized.value = false;
 	rootEl.value.style.width = unResizedWidth;