linkcard

_config.yml

@@ -250,7 +250,7 @@ plugins:
     friends: /js/plugins/friends.js
     ghinfo: /js/plugins/ghinfo.js
     timeline: /js/plugins/timeline.js
-  
+    linkcard: /js/plugins/linkcard.js
 
   marked: https://cdn.bootcdn.net/ajax/libs/marked/4.0.18/marked.min.js
 

scripts/tags/link.js

@@ -2,7 +2,7 @@
  * link.js v1.1 | https://github.com/xaoxuu/hexo-theme-stellar/
  * 格式与官方标签插件一致使用空格分隔，中括号内的是可选参数（中括号不需要写出来）
  *
- * {% link url title [description] [icon:src] %}
+ * {% link url [title] [desc:true/false] [icon:src] %}
  */
 
 'use strict';
@@ -11,11 +11,11 @@ var util = require('hexo-util');
 const full_url_for = require('hexo-util').full_url_for.bind(hexo);
 
 hexo.extend.tag.register('link', function(args) {
-  args = hexo.args.map(args, ['icon'], ['url', 'title', 'description']);
+  args = hexo.args.map(args, ['icon', 'desc'], ['url', 'title']);
 
   var el = '';
   el += '<div class="tag-plugin link dis-select">';
-  el += '<a class="link-card' + (args.description ? ' rich' : ' plain') + '" title="' + args.title + '" href="' + args.url + '"';
+  el += '<a class="link-card' + (args.desc ? ' rich' : ' plain') + '" title="' + args.title + '" href="' + args.url + '"';
   if (args.url.includes('://')) {
     el += ' target="_blank" rel="external nofollow noopener noreferrer"';
   }
@@ -31,17 +31,19 @@ hexo.extend.tag.register('link', function(args) {
     return el;
   }
   function loadTitle() {
-    return '<span class="title">' + args.title + '</span>';
+    return '<span class="title">' + (args.title || args.url) + '</span>';
   }
   function loadDesc() {
-    return '<span class="desc fs12">' + (args.description || full_url_for(args.url)) + '</span>';
+    return '<span class="cap desc fs12"></span>';
+  }
+  function loadLink() {
+    return '<span class="cap link fs12">' + full_url_for(args.url) + '</span>';
   }
 
-  if (args.description) {
+  if (args.desc) {
     // top
     el += '<div class="top">';
-    el += loadIcon();
-    el += '<span class="desc fs12">' + full_url_for(args.url) + '</span>';
+    el += loadIcon() + loadLink();
     el += '</div>';
     // bottom
     el += '<div class="bottom">';
@@ -50,7 +52,7 @@ hexo.extend.tag.register('link', function(args) {
   } else {
     // left
     el += '<div class="left">';
-    el += loadTitle() + loadDesc();
+    el += loadTitle() + loadLink();
     el += '</div>';
     // right
     el += '<div class="right">';

source/css/_common/base.styl

@@ -12,7 +12,7 @@ a
   &:hover
     color: $color-hover
 
-p:not([class]) 
+.md p:not([class]) 
   text-align: convert(hexo-config('style.text-align'))
 
 hr

source/css/_layout/tag-plugins/link.styl

@@ -14,8 +14,8 @@
   cursor: pointer
   min-width 280px
   max-width: 100%
-  width: 320px
-  @media screen and (max-width: $device-mobile-375)
+  width: 350px
+  @media screen and (max-width: $device-mobile-425)
     width: 100%
   box-shadow: $boxshadow-card
   border-radius: $border-block
@@ -35,54 +35,68 @@
   text-align: justify
 
 .md .link-card
-  line-height: 1.2
-  > div
-    pointer-events: none
+  >.left
+    overflow: hidden
+    margin: 0.75rem 0 0.75rem 0.75rem
+    .title
+      font-size: $fs-14
+    span+span 
+      margin-top: 0.25rem
+  >.right
+    width: 2.75rem
+    height: 2.75rem
+    margin: 0.75rem
+    overflow: hidden
+    flex-shrink: 0
   >.top
     display: flex
-    margin: .75rem 1rem .25rem
+    margin: .75rem 0.75rem .25rem
     overflow: hidden
     max-width: 'calc(100% - %s * 2)' % 1rem
     align-items: center
     .img
       line-height: 0
       height: 16px
-      width: 20px
-      margin-right: 4px
+      width: 16px
+      border-radius: 16px
+      margin-right: 8px
       background-repeat: no-repeat
       background-size: contain
       background-position: left center
-    .desc
-      opacity: .75
-      line-height: 1.5
     span
       txt-ellipsis()
       max-width: 100%
   >.bottom
-    margin: 0 1rem .75rem 1rem
+    margin: 0 0.75rem 0.75rem 0.75rem
     .title
       font-size: $fs-15
       margin: 4px 0 8px 0
-  >.right
-    width: 2.5rem
-    height: 2.5rem
-    margin: .75rem
+
+.md .link-card
+  line-height: 1.2
+  .title
+    display: -webkit-box
+    -webkit-box-orient: vertical
     overflow: hidden
+    -webkit-line-clamp: 2
+  .cap
     flex-shrink: 0
-  >.left
+    color: var(--text-p3)
+  .link
+    line-height: 1.5
+    opacity: .75
+    txt-ellipsis()
+  .desc
+    display: -webkit-box
+    -webkit-box-orient: vertical
     overflow: hidden
-    margin: .5rem 0 .5rem 1rem
-    .title
-      font-size: $fs-14
-      margin: 1px 0 5px 0
-    .desc
-      flex-shrink: 0
-      txt-ellipsis()
+    -webkit-line-clamp: 3
+  .img
+    border-radius: 4px
+
   span
     margin: 0
     display: block
-  span.title
+  .title
     font-weight: 500
     color: var(--text-p1)
-  span.desc
-    color: var(--text-p3)

source/js/main.js

@@ -217,14 +217,20 @@ if (stellar.plugins.lazyload) {
 if (stellar.plugins.stellar) {
   for (let key of Object.keys(stellar.plugins.stellar)) {
     let js = stellar.plugins.stellar[key];
-    const els = document.getElementsByClassName('stellar-' + key + '-api');
-    if (els != undefined && els.length > 0) {
-      stellar.jQuery(() => {
-        stellar.loadScript(js, { defer: true });
-        if (key == 'timeline') {
-          stellar.loadScript(stellar.plugins.marked);
-        }
-      })
+    if (key == 'linkcard') {
+      stellar.loadScript(js, { defer: true }).then(function () {
+        setCardLink(document.querySelectorAll('a.link-card'));
+      });
+    } else {
+      const els = document.getElementsByClassName('stellar-' + key + '-api');
+      if (els != undefined && els.length > 0) {
+        stellar.jQuery(() => {
+          stellar.loadScript(js, { defer: true });
+          if (key == 'timeline') {
+            stellar.loadScript(stellar.plugins.marked);
+          }
+        })
+      }
     }
   }
 }

source/js/plugins/linkcard.js

@@ -0,0 +1,118 @@
+// 本插件由CardLink定制而成，原项目源码: https://github.com/Lete114/CardLink
+
+var cardLink = {};
+cardLink.caches = {};
+cardLink.server = 'https://api.allorigins.win/raw?url=';
+
+/**
+ * Remove '/' and '/index.html'
+ * @param {String} params
+ * @returns { String }
+ */
+function indexHandler(params) {
+  let path = params.replace(/(\/index\.html|\/)*$/gi, '')
+  if (path.length === 0) path += '/'
+  return path
+}
+
+/**
+ * Determine if it is a ['https://', 'http://', '//'] protocol
+ * @param {String} url Website url
+ * @returns {Boolean}
+ */
+function isHttp(url) {
+  return /^(https?:)?\/\//g.test(url)
+}
+
+function renderer(el, obj) {
+  el.querySelector('.title').innerHTML = obj.title;
+  if (obj.icon && obj.icon.length > 0) {
+    el.querySelector('.img').style = 'background-image: url("' + obj.icon + '");';
+  }
+  if (obj.desc && obj.desc.length > 0) {
+    el.querySelector('.desc').innerHTML = obj.desc;
+  }
+}
+
+/**
+ * Get info
+ * @param {Element} el Element
+ * @param {String} html String type html
+ * @param {String} link Website address
+ */
+// eslint-disable-next-line max-statements
+function getInfo(el, html, link) {
+  try {
+    let title, icon, desc
+    const doc = new DOMParser().parseFromString(html, 'text/html')
+    // If there is no title, no card link is generated
+    title = doc.querySelector('title')
+    if (title) {
+      title = title.textContent
+
+      // Get the src of the first img tag in the body tag
+      // icon = doc.querySelector('body img')
+      // icon = icon && icon.getAttribute('src')
+      
+      if (/^data:image/.test(icon)) icon = ''
+
+      // If there is no src then get the site icon
+      if (!icon) {
+        const links = [].slice.call(doc.querySelectorAll('link[rel][href]'))
+        icon = links.find((_el) => _el.rel.includes('icon'))
+        icon = icon && icon.getAttribute('href')
+      }
+      
+      desc = doc.querySelector('head meta[name="description"]')
+
+      if (desc) {
+        desc = desc.content;
+      }
+      // If `icon` is not the ['https://', 'http://', '//'] protocol, splice on the `origin` of the a tag
+      if (icon && !isHttp(icon)) icon = new URL(link).origin + icon
+      cardLink.caches[link] = { title, link, icon, desc }
+      
+      renderer(el, cardLink.caches[link])
+    }
+  } catch (error) {
+    // eslint-disable-next-line no-console
+    console.warn('CardLink Error: Failed to parse', error)
+  }
+}
+
+function fetchPage(link, callback) {
+  fetch(link)
+    .then((result) => result.text())
+    .then(callback)
+    .catch((error) => {
+      const server = cardLink.server
+      // eslint-disable-next-line no-console
+      if (link.includes(server) || !server) return console.error('CardLink Error:', error)
+      fetchPage(server + link, callback)
+    })
+}
+
+/**
+ * Create card links
+ * @param {NodeList} nodes A collection of nodes or a collection of arrays,
+ * if it is an array then the array must always contain node element
+ */
+function setCardLink(nodes) {
+  // If the `nodes` do not contain a `forEach` method, then the default `a[cardlink]` is used
+  nodes = 'forEach' in (nodes || {}) ? nodes : document.querySelectorAll('a[cardlink]')
+  nodes.forEach((el) => {
+    // If it is not a tag element then it is not processed
+    if (el.nodeType !== 1) return
+    el.removeAttribute('cardlink')
+    const link = el.href
+
+    const cache = cardLink.caches[link]
+    if (cache) return renderer(el, cache)
+
+    if (isHttp(link)) {
+      fetchPage(link, (html) => {
+        getInfo(el, html, link)
+      })
+    }
+  })
+}