breaking changes: cover 的顯示優化 #1101

feature: default_cover 可配置顏色
fix: 修復使用本地搜索時，輸入特殊符號沒有顯示結果的 bug closed #1110
fix: 修復 頂部圖和 footer 配置帶有/的顏色參數時，無法顯示顏色的 bug
improvement: 鼠標移動到分頁時，文章分頁按鈕增加説明文字
improvement: 文章頁的頂部圖顯示次序為 top_img > cover > default_top_img
improvement: canonical 的鏈接根據配置生成 #1111

layout/includes/head.pug

@@ -26,7 +26,7 @@ meta(name="theme-color" content=themeColor)
 include ./head/Open_Graph.pug
 
 !=favicon_tag(theme.favicon || config.favicon)
-link(rel="canonical" href=urlNoIndex())
+link(rel="canonical" href=urlNoIndex(null,config.pretty_urls.trailing_index,config.pretty_urls.trailing_html))
 
 //- 預解析
 !=partial('includes/head/preconnect', {}, {cache: true})

layout/includes/head/Open_Graph.pug

@@ -1,8 +1,9 @@
 if theme.Open_Graph_meta.enable
   -
+    const coverVal = page.cover_type === 'img' ? page.cover : theme.avatar.img
     let ogOption = Object.assign({
       type: is_post() ? 'article' : 'website',
-      image: (page.cover || theme.avatar.img) ? full_url_for(page.cover || theme.avatar.img) : '',
+      image: coverVal ? full_url_for(coverVal) : '',
       fb_admins: theme.facebook_comments.user_id || '',
       fb_app_id: theme.facebook_comments.app_id || '',
     }, theme.Open_Graph_meta.option)

layout/includes/header/index.pug

@@ -1,6 +1,6 @@
 if !theme.disable_top_img && page.top_img !== false
   if is_post()
-    - var top_img = page.top_img || page.cover || page.randomcover
+    - var top_img = page.top_img || page.cover || theme.default_top_img
   else if is_page()
     - var top_img = page.top_img || theme.default_top_img
   else if is_tag()
@@ -17,7 +17,7 @@ if !theme.disable_top_img && page.top_img !== false
     - var top_img = page.top_img || theme.default_top_img
 
   if top_img !== false
-    - var imgSource = top_img && top_img.indexOf('/') !== -1 ? `background-image: url('${url_for(top_img)}')` : `background: ${top_img}`
+    - var imgSource = top_img && isImgOrUrl(top_img) ? `background-image: url('${url_for(top_img)}')` : `background: ${top_img}`
     - var bg_img = top_img ? imgSource : ''
     - var site_title = page.title || page.tag || page.category || config.title
     - var isHomeClass = is_home() ? 'full_page' : 'not-home-page'

layout/includes/layout.pug

@@ -33,7 +33,7 @@ html(lang=config.language data-theme=theme.display_mode class=htmlClassHideAside
           if (footerBg === true)
             - var footer_bg = bg_img
           else
-            - var footer_bg = theme.footer_bg.indexOf('/') !== -1 ? `background-image: url('${url_for(footerBg)}')` : `background: ${footerBg}`
+            - var footer_bg = isImgOrUrl(theme.footer_bg) ? `background-image: url('${url_for(footerBg)}')` : `background: ${footerBg}`
         else
           - var footer_bg = ''
 

layout/includes/mixins/article-sort.pug

@@ -11,7 +11,10 @@ mixin articleSort(posts)
       .article-sort-item(class=no_cover)
         if article.cover && theme.cover.archives_enable
           a.article-sort-item-img(href=url_for(article.path) title=title)
-            img(src=url_for(article.cover) alt=title onerror=`this.onerror=null;this.src='${url_for(theme.error_img.post_page)}'`)
+            if article.cover_type === 'img'
+              img(src=url_for(article.cover) alt=title onerror=`this.onerror=null;this.src='${url_for(theme.error_img.post_page)}'`)
+            else
+              div(style=`background: ${article.cover}`)
         .article-sort-item-info
           .article-sort-item-time
             i.far.fa-calendar-alt

layout/includes/mixins/post-ui.pug

@@ -14,7 +14,10 @@ mixin postUI(posts)
       if post_cover && theme.cover.index_enable
         .post_cover(class=leftOrRight)
           a(href=url_for(link) title=title)
-            img.post_bg(src=url_for(post_cover) onerror=`this.onerror=null;this.src='`+ url_for(theme.error_img.post_page) + `'` alt=title)
+            if article.cover_type === 'img'
+              img.post-bg(src=url_for(post_cover) onerror=`this.onerror=null;this.src='${url_for(theme.error_img.post_page)}'` alt=title)
+            else
+              div.post-bg(style=`background: ${post_cover}`)
       .recent-post-info(class=no_cover)
         a.article-title(href=url_for(link) title=title)= title
         .article-meta-wrap

layout/includes/pagination.pug

@@ -13,19 +13,23 @@ if is_post()
     if(prev)
       - var hasPageNext = next ? 'pull-left' : 'pull-full'
       .prev-post(class=hasPageNext)
-        - var pagination_cover = prev.cover === false ? prev.randomcover : prev.cover
-        a(href=url_for(prev.path))
-          img.prev-cover(src=url_for(pagination_cover) onerror=`onerror=null;src='${url_for(theme.error_img.post_page)}'` alt='cover of previous post')
+        a(href=url_for(prev.path) title=prev.title)
+          if prev.cover_type === 'img'
+            img.cover(src=url_for(prev.cover) onerror=`onerror=null;src='${url_for(theme.error_img.post_page)}'` alt='cover of previous post')
+          else
+            .cover(style=`background: ${prev.cover || 'var(--default-bg-color)'}`)
           .pagination-info
             .label=_p('pagination.prev')
             .prev_info=prev.title
           
     if(next)
       - var hasPagePrev = prev ? 'pull-right' : 'pull-full'
-      - var pagination_cover = next.cover == false ? next.randomcover : next.cover
       .next-post(class=hasPagePrev)
-        a(href=url_for(next.path))
-          img.next-cover(src=url_for(pagination_cover) onerror=`onerror=null;src='${url_for(theme.error_img.post_page)}'` alt='cover of next post')
+        a(href=url_for(next.path) title=next.title)
+          if next.cover_type === 'img'
+            img.cover(src=url_for(next.cover) onerror=`onerror=null;src='${url_for(theme.error_img.post_page)}'` alt='cover of next post')
+          else
+            .cover(style=`background: ${next.cover || 'var(--default-bg-color)'}`)
           .pagination-info
             .label=_p('pagination.next')
             .next_info=next.title

layout/includes/third-party/share/share-js.pug

@@ -1,3 +1,4 @@
-.social-share(data-image=url_for(page.cover|| theme.avatar.img) data-sites= theme.sharejs.sites)
+- const coverVal = page.cover_type === 'img' ? page.cover : theme.avatar.img
+.social-share(data-image=url_for(coverVal) data-sites= theme.sharejs.sites)
 link(rel='stylesheet' href=url_for(theme.asset.sharejs_css) media="print" onload="this.media='all'")
 script(src=url_for(theme.asset.sharejs) defer)

layout/includes/widget/card_recent_post.pug

@@ -14,7 +14,10 @@ if theme.aside.card_recent_post.enable
         .aside-list-item(class=no_cover)
           if post_cover && theme.cover.aside_enable
             a.thumbnail(href=url_for(link) title=title)
-              img(src=url_for(post_cover) onerror=`this.onerror=null;this.src='${url_for(theme.error_img.post_page)}'` alt=title)
+              if article.cover_type === 'img'
+                img(src=url_for(post_cover) onerror=`this.onerror=null;this.src='${url_for(theme.error_img.post_page)}'` alt=title)
+              else
+                div(style=`background: ${post_cover}`)
           .content
             a.title(href=url_for(link) title=title)= title
             if theme.aside.card_recent_post.sort === 'updated'

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hexo-theme-butterfly",
-  "version": "4.6.0-b1",
+  "version": "4.6.0-b2",
   "description": "A Simple and Card UI Design theme for Hexo",
   "main": "package.json",
   "scripts": {

scripts/filters/random_cover.js

@@ -6,40 +6,40 @@
 'use strict'
 
 hexo.extend.filter.register('before_post_render', function (data) {
-  const { config } = this
-  if (config.post_asset_folder) {
-    const imgTestReg = /\.(png|jpe?g|gif|svg|webp)(\?.*)?$/
+  const imgTestReg = /\.(png|jpe?g|gif|svg|webp)(\?.*)?$/
+  let randomCover
+  let coverVal = data.cover
+
+  // Add path to top_img and cover if post_asset_folder is enabled
+  if (hexo.config.post_asset_folder) {
     const topImg = data.top_img
-    const cover = data.cover
     if (topImg && topImg.indexOf('/') === -1 && imgTestReg.test(topImg)) data.top_img = data.path + topImg
-    if (cover && cover.indexOf('/') === -1) data.cover = data.path + cover
+    if (coverVal && coverVal.indexOf('/') === -1 && imgTestReg.test(coverVal)) data.cover = data.path + coverVal
   }
 
-  if (data.cover === false) {
-    data.randomcover = randomCover()
-    return data
+  const randomCoverFn = () => {
+    const theme = hexo.theme.config
+    if (!(theme.cover && theme.cover.default_cover)) return false
+    if (!Array.isArray(theme.cover.default_cover)) return theme.cover.default_cover
+    const num = Math.floor(Math.random() * theme.cover.default_cover.length)
+    return theme.cover.default_cover[num]
+  }
+  
+  if (coverVal === false) return data
+
+  // If cover is not set, use random cover
+  if (!coverVal) {
+    randomCover = randomCoverFn()
+    data.cover = randomCover
+    coverVal = randomCover // update coverVal
+  }
+
+  if (coverVal) {
+    if (coverVal.indexOf('//') !== -1 || imgTestReg.test(coverVal)) {
+      data.cover_type = 'img'
+      return data
+    }
   }
 
-  data.cover = data.cover || randomCover()
   return data
 })
-
-function randomCover () {
-  const theme = hexo.theme.config
-  let cover
-  let num
-
-  if (theme.cover && theme.cover.default_cover) {
-    if (!Array.isArray(theme.cover.default_cover)) {
-      cover = theme.cover.default_cover
-      return cover
-    } else {
-      num = Math.floor(Math.random() * theme.cover.default_cover.length)
-      cover = theme.cover.default_cover[num]
-      return cover
-    }
-  } else {
-    cover = theme.default_top_img || 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7'
-    return cover
-  }
-}

scripts/helpers/page.js

@@ -54,8 +54,8 @@ hexo.extend.helper.register('cloudTags', function (options = {}) {
   return result
 })
 
-hexo.extend.helper.register('urlNoIndex', function (url = null) {
-  return prettyUrls(url || this.url, { trailing_index: false, trailing_html: false })
+hexo.extend.helper.register('urlNoIndex', function (url = null, trailingIndex = false, trailingHtml = false) {
+  return prettyUrls(url || this.url, { trailing_index: trailingIndex, trailing_html: trailingHtml })
 })
 
 hexo.extend.helper.register('md5', function (path) {
@@ -95,3 +95,11 @@ hexo.extend.helper.register('findArchivesTitle', function (page, menu, date) {
 
   return loop(menu) || defaultTitle
 })
+
+hexo.extend.helper.register('isImgOrUrl', function (path) {
+  const imgTestReg = /\.(png|jpe?g|gif|svg|webp)(\?.*)?$/
+  if (path.indexOf('//') !== -1 || imgTestReg.test(path)) {
+    return true
+  }
+  return false
+})

scripts/helpers/related_post.js

@@ -15,7 +15,7 @@ hexo.extend.helper.register('related_posts', function (currentPost, allPosts) {
           title: post.title,
           path: post.path,
           cover: post.cover,
-          randomcover: post.randomcover,
+          cover_type: post.cover_type,
           weight: 1,
           updated: post.updated,
           created: post.date
@@ -50,13 +50,14 @@ hexo.extend.helper.register('related_posts', function (currentPost, allPosts) {
     result += '<div class="relatedPosts-list">'
 
     for (let i = 0; i < Math.min(relatedPosts.length, limitNum); i++) {
-      const cover =
-        relatedPosts[i].cover === false
-          ? relatedPosts[i].randomcover
-          : relatedPosts[i].cover
+      const cover = relatedPosts[i].cover || 'var(--default-bg-color)'
       const title = this.escape_html(relatedPosts[i].title)
       result += `<div><a href="${this.url_for(relatedPosts[i].path)}" title="${title}">`
-      result += `<img class="cover" src="${this.url_for(cover)}" alt="cover">`
+      if (relatedPosts[i].cover_type === 'img') {
+        result += `<img class="cover" src="${this.url_for(cover)}" alt="cover">`
+      } else {
+        result += `<div class="cover" style="background: ${cover}"></div>`
+      }
       if (dateType === 'created') {
         result += `<div class="content is-center"><div class="date"><i class="far fa-calendar-alt fa-fw"></i> ${this.date(relatedPosts[i].created, hexoConfig.date_format)}</div>`
       } else {

source/css/_global/function.styl

@@ -36,11 +36,11 @@
 
 .postImgHover
   &:hover
-    img
+    .cover
       opacity: .8
       transform: scale(1.1)
 
-  img
+  .cover
     position: absolute
     width: 100%
     height: 100%

source/css/_global/index.styl

@@ -33,6 +33,7 @@
   --pseudo-hover: $pseudo-hover
   --headline-presudo: #a0a0a0
   --scrollbar-color: $scrollbar-color
+  --default-bg-color: $theme-color
 
 body
   position: relative

source/css/_layout/aside.styl

@@ -115,7 +115,7 @@
         width: w = 4.2em
         height: w
 
-        & > img
+        :first-child
           @extend .imgHover
 
       .content

source/css/_layout/footer.styl

@@ -1,6 +1,6 @@
 #footer
   position: relative
-  background: $light-blue
+  background-color: $light-blue
   background-attachment: scroll
   background-position: bottom
   background-size: cover

source/css/_page/archives.styl

@@ -101,7 +101,7 @@
       width: 80px
       height: 80px
 
-      img
+      :first-child
         @extend .imgHover
 
     &-info

source/css/_page/homepage.styl

@@ -15,7 +15,7 @@
       height: auto
 
     &:hover
-      img.post_bg
+      img.post-bg
         transform: scale(1.1)
 
     &.ads-wrap
@@ -31,7 +31,7 @@
         width: 100%
         height: 230px
 
-      img.post_bg
+      .post-bg
         @extend .imgHover
 
       &.right

source/js/search/local-search.js

@@ -84,8 +84,11 @@ window.addEventListener('load', () => {
     $input.addEventListener('input', function () {
       const keywords = this.value.trim().toLowerCase().split(/[\s]+/)
       if (keywords[0] !== '') $loadingStatus.innerHTML = '<i class="fas fa-spinner fa-pulse"></i>'
+      else {
+        $resultContent.innerHTML = ''
+        return
+      }
 
-      $resultContent.innerHTML = ''
       let str = '<div class="search-result-list">'
       if (keywords.length <= 0) return
       let count = 0
@@ -150,7 +153,12 @@ window.addEventListener('load', () => {
 
               // highlight all keywords
               keywords.forEach(keyword => {
-                const regS = new RegExp(keyword, 'gi')
+                let regexStr = keyword
+                const specialRegex = new RegExp("[^\\w\\s]+") // match special characters
+                if (keyword.length === 1 && specialRegex.test(keyword)) {
+                  regexStr = `\\${keyword}`
+                }
+                const regS = new RegExp(regexStr, 'gi')
                 matchContent = matchContent.replace(regS, '<span class="search-keyword">' + keyword + '</span>')
                 dataTitle = dataTitle.replace(regS, '<span class="search-keyword">' + keyword + '</span>')
               })