fix: fix height/minHeight/maxHeight/width/minWidth/maxWidth default value.

Author: jaywcjlove

core/src/useCodeMirror.ts

@@ -24,13 +24,13 @@ export function useCodeMirror(props: UseCodeMirror) {
     extensions = emptyExtensions,
     autoFocus,
     theme = 'light',
-    height = '',
-    minHeight = '',
-    maxHeight = '',
+    height = null,
+    minHeight = null,
+    maxHeight = null,
+    width = null,
+    minWidth = null,
+    maxWidth = null,
     placeholder: placeholderStr = '',
-    width = '',
-    minWidth = '',
-    maxWidth = '',
     editable = true,
     readOnly = false,
     indentWithTab: defaultIndentWithTab = true,