fix: onlyCover

Author: QingWei-Li

src/core/fetch/index.js

@@ -87,16 +87,17 @@ export function fetchMixin (proto) {
         path = cover === true ? '_coverpage' : cover
       }
 
-      this.coverEnable = !!path
+      const coverOnly = !!path && this.config.onlyCover
       if (path) {
         path = this.router.getFile(root + path)
         this.coverIsHTML = /\.html$/g.test(path)
         get(path + stringifyQuery(query, ['id']), false, requestHeaders).then(
-          text => this._renderCover(text)
+          text => this._renderCover(text, coverOnly)
         )
       } else {
-        this._renderCover()
+        this._renderCover(null, coverOnly)
       }
+      return coverOnly
     }
   }
 
@@ -106,9 +107,9 @@ export function fetchMixin (proto) {
       cb()
     }
 
-    this._fetchCover()
+    const onlyCover = this._fetchCover()
 
-    if (this.coverEnable && this.config.onlyCover) {
+    if (onlyCover) {
       done()
     } else {
       this._fetch(result => {

src/core/render/index.js

@@ -134,8 +134,10 @@ export function renderMixin (proto) {
     })
   }
 
-  proto._renderCover = function (text) {
+  proto._renderCover = function (text, coverOnly) {
     const el = dom.getNode('.cover')
+
+    dom.toggleClass(dom.getNode('main'), coverOnly ? 'add' : 'remove', 'hidden')
     if (!text) {
       dom.toggleClass(el, 'remove', 'show')
       return

src/themes/basic/_layout.css

@@ -223,6 +223,10 @@ main {
   z-index: 0;
 }
 
+main.hidden {
+  display: none;
+}
+
 .anchor {
   display: inline-block;
   text-decoration: none;