[feat] create widget in front-matter

layout/_partial/sidebar/index.ejs

@@ -73,11 +73,21 @@ function layoutWidgets() {
   }
   if (page.sidebar) {
     page.sidebar.forEach((w, i) => {
-      if (w in theme.data.widgets) {
+      let name = ''
-        let widget = theme.data.widgets[w];
+      if (typeof w == 'string') {
-        if (widget && widget.layout) {
+        name = w
-          el += partial('widgets/' + widget.layout, {item: widget});
+      } else if (typeof w == 'object' && w.layout && w.override) {
-        }
+        name = w.override
+      }
+      let widget = {}
+      if (name in theme.data.widgets) {
+        Object.assign(widget, theme.data.widgets[name])
+      }
+      if (typeof w == 'object' && w.layout) {
+        Object.assign(widget, w)
+      }
+      if (widget && widget.layout) {
+        el += partial('widgets/' + widget.layout, {item: widget})
       }
     });
   }

layout/_partial/sidebar/widgets/markdown.ejs

@@ -1,16 +1,16 @@
 <%
 function layoutDiv() {
+  if (!item.content?.length) return ''
   var el = '';
-  if (item.content == undefined || item.content.length == 0) {
-    return el;
-  }
   el += '<div class="widget-wrap" id="markdown">';
+  if (item.title?.length > 0) {
     el += '<div class="widget-header cap theme dis-select">';
-      el += '<span class="name">' + item.title + '</span>';
+    el += '<span class="name">' + item.title + '</span>';
-    el += '</div>';
-    el += '<div class="widget-body fs14">';
-      el += markdown(item.content);
     el += '</div>';
+  }
+  el += '<div class="widget-body fs14">';
+  el += markdown(item.content);
+  el += '</div>';
   el += '</div>';
   return el;
 }