style: breadcrumb

components/breadcrumb/Breadcrumb.tsx

@@ -66,9 +66,9 @@ export default defineComponent({
       return path;
     };
 
-    const addChildPath = (paths: string[], childPath = '', params: unknown) => {
+    const addChildPath = (paths: string[], childPath: string, params: unknown) => {
       const originalPaths = [...paths];
-      const path = getPath(childPath, params);
+      const path = getPath(childPath || '', params);
       if (path) {
         originalPaths.push(path);
       }

components/breadcrumb/style/index.less

@@ -16,6 +16,7 @@
   a {
     color: @breadcrumb-link-color;
     transition: color 0.3s;
+
     &:hover {
       color: @breadcrumb-link-color-hover;
     }
@@ -23,6 +24,7 @@
 
   & > span:last-child {
     color: @breadcrumb-last-item-color;
+
     a {
       color: @breadcrumb-last-item-color;
     }

components/breadcrumb/style/index.tsx

@@ -1,5 +1,6 @@
 import '../../style/index.less';
 import './index.less';
 
+// style dependencies
 import '../../menu/style';
 import '../../dropdown/style';