Merge branch 'master' into production

.github/DISCUSSION_TEMPLATE/general.yml

@@ -9,15 +9,6 @@ body:
             [contributing guidelines](https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/docs/CONTRIBUTING.md).
           required: true
 
-  - type: dropdown
-    attributes:
-      label: What is the topic?
-      options:
-        - Sharing tips and tricks
-        - Just chatting
-    validations:
-      required: true
-
   - type: textarea
     attributes:
       label: Description

.github/DISCUSSION_TEMPLATE/ideas.yml

@@ -0,0 +1,7 @@
+body:
+  - type: textarea
+    attributes:
+      label: Description
+      description: Please describe in detail what you want to share.
+    validations:
+      required: true

.github/dependabot.yml

@@ -2,10 +2,6 @@ version: 2
 updates:
   - package-ecosystem: "bundler"
     directory: "/"
-    versioning-strategy: increase
-    groups:
-      bundler:
-        dependency-type: "production"
     schedule:
       interval: "weekly"
   - package-ecosystem: "npm"
@@ -13,7 +9,10 @@ updates:
     versioning-strategy: increase
     groups:
       npm:
-        dependency-type: "development"
+        update-types:
+          - "major"
+          - "minor"
+          - "patch"
     schedule:
       interval: "weekly"
   - package-ecosystem: "github-actions"

.github/workflows/cd.yml

@@ -1,17 +1,37 @@
 name: CD
+
 on:
   push:
-    tags:
-      - "v[0-9]+.[0-9]+.[0-9]+"
     branches:
-      - docs
+      - production
+    tags-ignore:
+      - "**"
 
 jobs:
-  launch:
+  release:
+    permissions:
+      contents: write
+      issues: write
+      pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - run: |
-          curl -X POST -H "Accept: application/vnd.github+json" \
-            -H "Authorization: Bearer ${{ secrets.GH_PAT }}" \
-            https://api.github.com/repos/${{ secrets.BUILDER }}/dispatches \
-            -d '{"event_type":"deploy", "client_payload":{"branch": "${{ github.ref_name }}"}}'
+      - uses: actions/checkout@v4
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.3
+          bundler-cache: true
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: latest
+
+      - run: npm install
+      - run: npx semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GEM_HOST_API_KEY: ${{ secrets.GEM_HOST_API_KEY }}
+
+  publish:
+    needs: release
+    uses: ./.github/workflows/publish.yml

.github/workflows/ci.yml

@@ -1,9 +1,8 @@
 name: "CI"
 on:
   push:
-    branches-ignore:
-      - "production"
-      - "docs"
+    branches:
+      - "master"
     paths-ignore:
       - ".github/**"
       - "!.github/workflows/ci.yml"
@@ -12,8 +11,6 @@ on:
       - "README.md"
       - "LICENSE"
   pull_request:
-    paths:
-      - "**"
 
 jobs:
   build:
@@ -21,7 +18,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ["3.0", "3.1", "3.2"]
+        ruby: ["3.1", "3.2", "3.3"]
 
     steps:
       - name: Checkout
@@ -37,6 +34,8 @@ jobs:
 
       - name: Setup Node
         uses: actions/setup-node@v4
+        with:
+          node-version: latest
 
       - name: Build Assets
         run: npm i && npm run build

.github/workflows/codeql.yml

@@ -2,6 +2,7 @@ name: "CodeQL"
 
 on:
   push:
+    branches: ["master"]
     paths: ["_javascript/**/*.js"]
   pull_request:
     paths: ["_javascript/**/*.js"]

.github/workflows/commitlint.yml

@@ -6,6 +6,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - uses: wagoid/commitlint-github-action@v5
+      - uses: wagoid/commitlint-github-action@v6

.github/workflows/publish.yml

@@ -0,0 +1,17 @@
+name: Publish
+
+on:
+  push:
+    branches:
+      - docs
+  workflow_call:
+
+jobs:
+  launch:
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          curl -X POST -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${{ secrets.GH_PAT }}" \
+            https://api.github.com/repos/${{ secrets.BUILDER }}/dispatches \
+            -d '{"event_type":"deploy", "client_payload":{"branch": "${{ github.ref_name }}"}}'

.github/workflows/starter/pages-deploy.yml

@@ -42,7 +42,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.2
+          ruby-version: 3.3
           bundler-cache: true
 
       - name: Build site
@@ -53,7 +53,7 @@ jobs:
       - name: Test site
         run: |
           bundle exec htmlproofer _site \
-            \-\-disable-external=true \
+            \-\-disable-external \
             \-\-ignore-urls "/^http:\/\/127.0.0.1/,/^http:\/\/0.0.0.0/,/^http:\/\/localhost/"
 
       - name: Upload site artifact

.github/workflows/style-lint.yml

@@ -2,14 +2,10 @@ name: "Style Lint"
 
 on:
   push:
-    branches-ignore:
-      - "production"
-      - "docs"
-    paths:
-      - "_sass/**/*.scss"
+    branches: ["master"]
+    paths: ["_sass/**/*.scss"]
   pull_request:
-    paths:
-      - "_sass/**/*.scss"
+    paths: ["_sass/**/*.scss"]
 
 jobs:
   stylelint:
@@ -21,5 +17,7 @@ jobs:
 
       - name: Setup Node
         uses: actions/setup-node@v4
+        with:
+          node-version: latest
       - run: npm i
       - run: npm test

.gitignore

@@ -5,6 +5,7 @@ Gemfile.lock
 
 # Jekyll cache
 .jekyll-cache
+.jekyll-metadata
 _site
 
 # RubyGems
@@ -16,6 +17,10 @@ package-lock.json
 
 # IDE configurations
 .idea
+.vscode
+!.vscode/settings.json
+!.vscode/extensions.json
 
 # Misc
+_sass/dist
 assets/js/dist

.markdownlint.json

@@ -0,0 +1,8 @@
+{
+  "commands-show-output": false,
+  "blanks-around-fences": false,
+  "line-length": false,
+  "no-inline-html": {
+    "allowed_elements": ["kbd", "sub"]
+  }
+}

.vscode/extensions.json

@@ -7,6 +7,7 @@
     // Common formatter
     "esbenp.prettier-vscode",
     "foxundermoon.shell-format",
-    "stylelint.vscode-stylelint"
+    "stylelint.vscode-stylelint",
+    "yzhang.markdown-all-in-one"
   ]
 }

.vscode/settings.json

@@ -7,6 +7,9 @@
   "files.associations": {
     "*.html": "liquid"
   },
+  "[markdown]": {
+    "editor.defaultFormatter": "yzhang.markdown-all-in-one"
+  },
   // Formatter
   "[html][liquid]": {
     "editor.defaultFormatter": "Shopify.theme-check-vscode"

Gemfile

@@ -5,19 +5,5 @@ source "https://rubygems.org"
 gemspec
 
 group :test do
-  gem "html-proofer", "~> 4.4"
+  gem "html-proofer", "~> 5.0"
 end
-
-# Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
-# and associated library.
-platforms :mingw, :x64_mingw, :mswin, :jruby do
-  gem "tzinfo", ">= 1", "< 3"
-  gem "tzinfo-data"
-end
-
-# Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
-
-# Lock `http_parser.rb` gem to `v0.6.x` on JRuby builds since newer versions of the gem
-# do not have a Java counterpart.
-gem "http_parser.rb", "~> 0.6.0", :platforms => [:jruby]

README.md

@@ -1,5 +1,7 @@
+<!-- markdownlint-disable-next-line -->
 <div align="center">
 
+  <!-- markdownlint-disable-next-line -->
   # Chirpy Jekyll Theme
 
   A minimal, responsive, and feature-rich Jekyll theme for technical writing.
@@ -18,7 +20,7 @@
 
 ## Features
 
-- Dark / Light Theme Mode
+- Dark Theme
 - Localized UI language
 - Pinned Posts on Home Page
 - Hierarchical Categories
@@ -28,13 +30,13 @@
 - Syntax Highlighting
 - Mathematical Expressions
 - Mermaid Diagrams & Flowcharts
-- Dark / Light Mode Images
-- Embed Videos
-- Disqus / Giscus / Utterances Comments
+- Dark Mode Images
+- Embed Media
+- Comment Systems
 - Built-in Search
 - Atom Feeds
 - PWA
-- Google Analytics / GoatCounter
+- Web Analytics
 - SEO & Performance Optimization
 
 ## Documentation
@@ -54,7 +56,7 @@ For details, see the "[Contributing Guidelines][contribute-guide]".
 Thanks to [all the contributors][contributors] involved in the development of the project!
 
 [![all-contributors](https://contrib.rocks/image?repo=cotes2020/jekyll-theme-chirpy&columns=16)][contributors]
-<sub> —— Made with [contrib.rocks](https://contrib.rocks)</sub>
+<sub> — Made with [contrib.rocks](https://contrib.rocks)</sub>
 
 ### Third-Party Assets
 

_config.yml

@@ -44,16 +44,36 @@ social:
     # - https://www.facebook.com/username
     # - https://www.linkedin.com/in/username
 
-google_site_verification: # fill in to your verification string
+# Site Verification Settings
+webmaster_verifications:
+  google: # fill in your Google verification code
+  bing: # fill in your Bing verification code
+  alexa: # fill in your Alexa verification code
+  yandex: # fill in your Yandex verification code
+  baidu: # fill in your Baidu verification code
+  facebook: # fill in your Facebook verification code
 
 # ↑ --------------------------
 # The end of `jekyll-seo-tag` settings
 
-google_analytics:
+# Web Analytics Settings
+analytics:
+  google:
     id: # fill in your Google Analytics ID
+  goatcounter:
+    id: # fill in your GoatCounter ID
+  umami:
+    id: # fill in your Umami ID
+    domain: # fill in your Umami domain
+  matomo:
+    id: # fill in your Matomo ID
+    domain: # fill in your Matomo domain
+  cloudflare:
+    id: # fill in your Cloudflare Web Analytics token
 
-goatcounter:
-  id: # fill in your Goatcounter ID
+# Pageviews settings
+pageviews:
+  provider: # now only supports 'goatcounter'
 
 # Prefer color scheme setting.
 #
@@ -68,12 +88,12 @@ goatcounter:
 #
 theme_mode: # [light | dark]
 
-# The CDN endpoint for images.
+# The CDN endpoint for media resources.
 # Notice that once it is assigned, the CDN url
-# will be added to all image (site avatar & posts' images) paths starting with '/'
+# will be added to all media resources (site avatar, posts' images, audio and video files) paths starting with '/'
 #
 # e.g. 'https://cdn.com'
-img_cdn: "https://chirpy-img.netlify.app"
+cdn: "https://chirpy-img.netlify.app"
 
 # the avatar on sidebar, support local or CORS resources
 avatar: "/commons/avatar.jpg"
@@ -86,8 +106,9 @@ social_preview_image: # string, local or CORS resources
 toc: true
 
 comments:
-  active: # The global switch for posts comments, e.g., 'disqus'.  Keep it empty means disable
-  # The active options are as follows:
+  # Global switch for the post comment system. Keeping it empty means disabled.
+  provider: # [disqus | utterances | giscus]
+  # The provider options are as follows:
   disqus:
     shortname: # fill with the Disqus shortname. › https://help.disqus.com/en/articles/1717111-what-s-a-shortname
   # utterances settings › https://utteranc.es/
@@ -101,6 +122,7 @@ comments:
     category:
     category_id:
     mapping: # optional, default to 'pathname'
+    strict: # optional, default to '0'
     input_position: # optional, default to 'bottom'
     lang: # optional, default to the value of `site.lang`
     reactions_enabled: # optional, default to the value of `1`
@@ -131,6 +153,7 @@ baseurl: ""
 # ------------ The following options are not recommended to be modified ------------------
 
 kramdown:
+  footnote_backlink: "↩︎"
   syntax_highlighter: rouge
   syntax_highlighter_opts: # Rouge Options › https://github.com/jneen/rouge#full-options
     css_class: highlight
@@ -191,7 +214,7 @@ exclude:
   - tools
   - README.md
   - LICENSE
-  - rollup.config.js
+  - "*.config.js"
   - package*.json
 
 jekyll-archives:

_data/media.yml

@@ -0,0 +1,18 @@
+- extension: mp3
+  mime_type: mpeg
+- extension: mov
+  mime_type: quicktime
+- extension: avi
+  mime_type: x-msvideo
+- extension: mkv
+  mime_type: x-matroska
+- extension: ogv
+  mime_type: ogg
+- extension: weba
+  mime_type: webm
+- extension: 3gp
+  mime_type: 3gpp
+- extension: 3g2
+  mime_type: 3gpp2
+- extension: mid
+  mime_type: midi

_data/origin/basic.yml

@@ -4,13 +4,6 @@ webfonts: /assets/lib/fonts/main.css
 
 # Libraries
 
-jquery:
-  js: /assets/lib/jquery/jquery.min.js
-
-bootstrap:
-  css: /assets/lib/bootstrap/bootstrap.min.css
-  js: /assets/lib/bootstrap/bootstrap.bundle.min.js
-
 toc:
   css: /assets/lib/tocbot/tocbot.min.css
   js: /assets/lib/tocbot/tocbot.min.js
@@ -31,9 +24,9 @@ dayjs:
     relativeTime: /assets/lib/dayjs/plugin/relativeTime.min.js
     localizedFormat: /assets/lib/dayjs/plugin/localizedFormat.min.js
 
-magnific-popup:
-  css: /assets/lib/magnific-popup/magnific-popup.css
-  js: /assets/lib/magnific-popup/jquery.magnific-popup.min.js
+glightbox:
+  css: /assets/lib/glightbox/glightbox.min.css
+  js: /assets/lib/glightbox/glightbox.min.js
 
 lazy-polyfill:
   css: /assets/lib/loading-attribute-polyfill/loading-attribute-polyfill.min.css

_data/origin/cors.yml

@@ -1,29 +1,24 @@
-# CDNs
-
-cdns:
-  # Google Fonts
+# Resource Hints
+resource_hints:
   - url: https://fonts.googleapis.com
+    links:
+      - rel: preconnect
+      - rel: dns-prefetch
   - url: https://fonts.gstatic.com
-    args: crossorigin
-  - url: https://fonts.googleapis.com
-  # jsDelivr CDN
+    links:
+      - rel: preconnect
+        opts: [crossorigin]
+      - rel: dns-prefetch
   - url: https://cdn.jsdelivr.net
-  # polyfill.io for math (cdnjs.cloudflare.com/polyfill)
-  - url: https://cdnjs.cloudflare.com
+    links:
+      - rel: preconnect
+      - rel: dns-prefetch
 
-# fonts
-
-webfonts: https://fonts.googleapis.com/css2?family=Lato&family=Source+Sans+Pro:wght@400;600;700;900&display=swap
+# Web Fonts
+webfonts: https://fonts.googleapis.com/css2?family=Lato:wght@300;400&family=Source+Sans+Pro:wght@400;600;700;900&display=swap
 
 # Libraries
 
-jquery:
-  js: https://cdn.jsdelivr.net/npm/jquery@3.7.1/dist/jquery.min.js
-
-bootstrap:
-  css: https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css
-  js: https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js
-
 toc:
   css: https://cdn.jsdelivr.net/npm/tocbot@4.25.0/dist/tocbot.min.css
   js: https://cdn.jsdelivr.net/npm/tocbot@4.25.0/dist/tocbot.min.js
@@ -44,9 +39,9 @@ dayjs:
     relativeTime: https://cdn.jsdelivr.net/npm/dayjs@1.11.10/plugin/relativeTime.min.js
     localizedFormat: https://cdn.jsdelivr.net/npm/dayjs@1.11.10/plugin/localizedFormat.min.js
 
-magnific-popup:
-  css: https://cdn.jsdelivr.net/npm/magnific-popup@1.1.0/dist/magnific-popup.min.css
-  js: https://cdn.jsdelivr.net/npm/magnific-popup@1.1.0/dist/jquery.magnific-popup.min.js
+glightbox:
+  css: https://cdn.jsdelivr.net/npm/glightbox@3.3.0/dist/css/glightbox.min.css
+  js: https://cdn.jsdelivr.net/npm/glightbox@3.3.0/dist/js/glightbox.min.js
 
 lazy-polyfill:
   css: https://cdn.jsdelivr.net/npm/loading-attribute-polyfill@2.1.1/dist/loading-attribute-polyfill.min.css

_data/share.yml

@@ -22,7 +22,7 @@ platforms:
   #
   # - type: Weibo
   #   icon: "fab fa-weibo"
-  #   link: "http://service.weibo.com/share/share.php?title=TITLE&url=URL"
+  #   link: "https://service.weibo.com/share/share.php?title=TITLE&url=URL"
   #
   # - type: Mastodon
   #   icon: "fa-brands fa-mastodon"

_includes/analytics/cloudflare.html

@@ -0,0 +1,7 @@
+<!-- Cloudflare Web Analytics -->
+<script
+  defer
+  src="https://static.cloudflareinsights.com/beacon.min.js"
+  data-cf-beacon='{"token": "{{ site.analytics.cloudflare.id }}"}'
+></script>
+<!-- End Cloudflare Web Analytics -->

_includes/analytics/goatcounter.html

@@ -0,0 +1,6 @@
+<!-- GoatCounter -->
+<script
+  async
+  src="https://gc.zgo.at/count.js"
+  data-goatcounter="https://{{ site.analytics.goatcounter.id }}.goatcounter.com/count"
+></script>

_includes/analytics/google.html

@@ -0,0 +1,13 @@
+<!-- Global site tag (gtag.js) - Google Analytics -->
+<script defer src="https://www.googletagmanager.com/gtag/js?id={{ site.analytics.google.id }}"></script>
+<script>
+  document.addEventListener('DOMContentLoaded', function (event) {
+    window.dataLayer = window.dataLayer || [];
+    function gtag() {
+      dataLayer.push(arguments);
+    }
+
+    gtag('js', new Date());
+    gtag('config', '{{ site.analytics.google.id }}');
+  });
+</script>

_includes/analytics/matomo.html

@@ -0,0 +1,14 @@
+<!-- Matomo -->
+<script type="text/javascript">
+  var _paq = window._paq = window._paq || [];
+  _paq.push(['trackPageView']);
+  _paq.push(['enableLinkTracking']);
+  (function() {
+    var u="//{{ site.analytics.matomo.domain }}/";
+    _paq.push(['setTrackerUrl', u+'matomo.php']);
+    _paq.push(['setSiteId', {{ site.analytics.matomo.id }}]);
+    var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+    g.type='text/javascript'; g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+  })();
+</script>
+<!-- End Matomo Code -->

_includes/analytics/umami.html

@@ -0,0 +1,6 @@
+<!-- Umami -->
+<script
+  defer
+  src="{{ site.analytics.umami.domain }}/script.js"
+  data-website-id="{{ site.analytics.umami.id }}"
+></script>

_includes/comments.html

@@ -1,5 +1,5 @@
 <!-- The comments switcher -->
-{% if page.comments and site.comments.active %}
-  {% capture path %}comments/{{ site.comments.active }}.html{% endcapture %}
+{% if page.comments and site.comments.provider %}
+  {% capture path %}comments/{{ site.comments.provider }}.html{% endcapture %}
   {% include {{ path }} %}
 {% endif %}

_includes/comments/disqus.html

@@ -10,7 +10,7 @@
     this.page.identifier = '{{ page.url }}';
   };
 
-  /* Lazy loading */
+  {%- comment -%} Lazy loading {%- endcomment -%}
   var disqus_observer = new IntersectionObserver(
     function (entries) {
       if (entries[0].isIntersecting) {
@@ -28,12 +28,12 @@
     { threshold: [0] }
   );
 
-  disqus_observer.observe(document.querySelector('#disqus_thread'));
+  disqus_observer.observe(document.getElementById('disqus_thread'));
 
-  /* Auto switch theme */
+  {%- comment -%} Auto switch theme {%- endcomment -%}
   function reloadDisqus() {
     if (event.source === window && event.data && event.data.direction === ModeToggle.ID) {
-      /* Disqus hasn't been loaded */
+      {%- comment -%} Disqus hasn't been loaded {%- endcomment -%}
       if (typeof DISQUS === 'undefined') {
         return;
       }
@@ -44,7 +44,7 @@
     }
   }
 
-  if (document.querySelector('.mode-toggle')) {
+  if (document.getElementById('mode-toggle')) {
     window.addEventListener('message', reloadDisqus);
   }
 </script>

_includes/comments/giscus.html

@@ -2,7 +2,6 @@
 <script type="text/javascript">
   (function () {
     const origin = 'https://giscus.app';
-    const iframe = 'iframe.giscus-frame';
     const lightTheme = 'light';
     const darkTheme = 'dark_dimmed';
 
@@ -25,6 +24,7 @@
       'data-category': '{{ site.comments.giscus.category }}',
       'data-category-id': '{{ site.comments.giscus.category_id }}',
       'data-mapping': '{{ site.comments.giscus.mapping | default: 'pathname' }}',
+      'data-strict' : '{{ site.comments.giscus.strict | default: '0' }}',
       'data-reactions-enabled': '{{ site.comments.giscus.reactions_enabled | default: '1' }}',
       'data-emit-metadata': '0',
       'data-theme': initTheme,
@@ -47,7 +47,7 @@
         event.data &&
         event.data.direction === ModeToggle.ID
       ) {
-        /* global theme mode changed */
+        {%- comment -%} global theme mode changed {%- endcomment -%}
         const mode = event.data.message;
         const theme = mode === ModeToggle.DARK_MODE ? darkTheme : lightTheme;
 
@@ -57,7 +57,7 @@
           }
         };
 
-        const giscus = document.querySelector(iframe).contentWindow;
+        const giscus = document.getElementsByClassName('giscus-frame')[0].contentWindow;
         giscus.postMessage({ giscus: message }, origin);
       }
     });

_includes/comments/utterances.html

@@ -10,7 +10,6 @@
 <script type="text/javascript">
   (function () {
     const origin = 'https://utteranc.es';
-    const iframe = 'iframe.utterances-frame';
     const lightTheme = 'github-light';
     const darkTheme = 'github-dark';
     let initTheme = lightTheme;
@@ -26,12 +25,12 @@
     addEventListener('message', (event) => {
       let theme;
 
-      /* credit to <https://github.com/utterance/utterances/issues/170#issuecomment-594036347> */
+      {%- comment -%} credit to <https://github.com/utterance/utterances/issues/170#issuecomment-594036347> {%- endcomment -%}
       if (event.origin === origin) {
-        /* page initial */
+        {%- comment -%} page initial {%- endcomment -%}
         theme = initTheme;
       } else if (event.source === window && event.data && event.data.direction === ModeToggle.ID) {
-        /* global theme mode changed */
+        {%- comment -%} global theme mode changed {%- endcomment -%}
         const mode = event.data.message;
         theme = mode === ModeToggle.DARK_MODE ? darkTheme : lightTheme;
       } else {
@@ -43,7 +42,7 @@
         theme: theme
       };
 
-      const utterances = document.querySelector(iframe).contentWindow;
+      const utterances = document.getElementsByClassName('utterances-frame')[0].contentWindow;
       utterances.postMessage(message, origin);
     });
   })();

_includes/embed/audio.html

@@ -0,0 +1,35 @@
+{% assign src = include.src | strip %}
+{% assign title = include.title | strip %}
+{% assign types = include.types | default: '' | strip | split: '|' %}
+
+{% unless src contains '://' %}
+  {%- capture src -%}
+    {% include media-url.html src=src %}
+  {%- endcapture -%}
+{% endunless %}
+
+<p>
+  <audio class="embed-audio" controls>
+    {% assign extension = src | split: '.' | last %}
+    {% assign types = extension | concat: types %}
+
+    {% assign ext_size = extension | size %}
+    {% assign src_size = src | size %}
+    {% assign slice_size = src_size | minus: ext_size %}
+
+    {% assign filepath = src | slice: 0, slice_size %}
+
+    {% for type in types %}
+      {% assign src = filepath | append: type %}
+      {% assign media_item = site.data.media | find: 'extension', type %}
+      {% assign mime_type = media_item.mime_type | default: type %}
+      <source src="{{ src }}" type="audio/{{ mime_type }}">
+    {% endfor %}
+
+    Your browser does not support the audio tag. Here is a
+    <a href="{{ src | strip }}">link to the audio file</a> instead.
+  </audio>
+  {% if title %}
+    <em>{{ title }}</em>
+  {% endif %}
+</p>

_includes/embed/bilibili.html

@@ -1,10 +1,9 @@
 <iframe
-  class="embed-video bilibili"
+  class="embed-video"
   loading="lazy"
   src="https://player.bilibili.com/player.html?bvid={{ include.id }}"
   scrolling="no"
-  border="0"
-  frameborder="no"
+  frameborder="0"
   framespacing="0"
   allowfullscreen="true"
 ></iframe>

_includes/embed/video.html

@@ -0,0 +1,59 @@
+{% assign video_url = include.src %}
+{% assign title = include.title %}
+{% assign poster_url = include.poster %}
+{% assign types = include.types | default: '' | strip | split: '|' %}
+
+{% unless video_url contains '://' %}
+  {%- capture video_url -%}
+    {% include media-url.html src=video_url %}
+  {%- endcapture -%}
+{% endunless %}
+
+{% if poster_url %}
+  {% unless poster_url contains '://' %}
+    {%- capture poster_url -%}
+      {% include media-url.html src=poster_url subpath=page.media_subpath %}
+    {%- endcapture -%}
+  {% endunless %}
+  {% assign poster = 'poster="' | append: poster_url | append: '"' %}
+{% endif %}
+
+{% assign attributes = 'controls' %}
+
+{% if include.autoplay %}
+  {% assign attributes = attributes | append: ' ' | append: 'autoplay' %}
+{% endif %}
+
+{% if include.loop %}
+  {% assign attributes = attributes | append: ' ' | append: 'loop' %}
+{% endif %}
+
+{% if include.muted %}
+  {% assign attributes = attributes | append: ' ' | append: 'muted' %}
+{% endif %}
+
+<p>
+  <video class="embed-video file" {{ poster }} {{ attributes }}>
+    {% assign extension = video_url | split: '.' | last %}
+    {% assign types = extension | concat: types %}
+
+    {% assign ext_size = extension | size %}
+    {% assign src_size = video_url | size %}
+    {% assign slice_size = src_size | minus: ext_size %}
+
+    {% assign filepath = video_url | slice: 0, slice_size %}
+
+    {% for type in types %}
+      {% assign src = filepath | append: type %}
+      {% assign media_item = site.data.media | find: 'extension', type %}
+      {% assign mime_type = media_item.mime_type | default: type %}
+      <source src="{{ src }}" type="video/{{ mime_type }}">
+    {% endfor %}
+
+    Your browser does not support the video tag. Here is a
+    <a href="{{ video_url | strip }}">link to the video file</a> instead.
+  </video>
+  {% if title %}
+    <em>{{ title }}</em>
+  {% endif %}
+</p>

_includes/embed/youtube.html

@@ -1,5 +1,5 @@
 <iframe
-  class="embed-video youtube"
+  class="embed-video"
   loading="lazy"
   src="https://www.youtube.com/embed/{{ include.id }}"
   title="YouTube video player"

_includes/footer.html

@@ -34,7 +34,14 @@
     {%- endcapture -%}
 
     {%- capture _theme -%}
-      <a href="https://github.com/cotes2020/jekyll-theme-chirpy" target="_blank" rel="noopener">Chirpy</a>
+      <a
+        data-bs-toggle="tooltip"
+        data-bs-placement="top"
+        title="v{{ theme.version }}"
+        href="https://github.com/cotes2020/jekyll-theme-chirpy"
+        target="_blank"
+        rel="noopener"
+      >Chirpy</a>
     {%- endcapture -%}
 
     {{ site.data.locales[include.lang].meta | replace: ':PLATFORM', _platform | replace: ':THEME', _theme }}

_includes/goatcounter.html

@@ -1,8 +0,0 @@
-<!-- GoatCounter -->
-
-<script
-  data-goatcounter="https://{{ site.goatcounter.id }}.goatcounter.com/count"
-  async
-  src="https://gc.zgo.at/count.js"
-></script>
-

_includes/google-analytics.html

@@ -1,14 +0,0 @@
-<!--
-  The GA snippet
--->
-<!-- Global site tag (gtag.js) - Google Analytics -->
-<script defer src="https://www.googletagmanager.com/gtag/js?id={{ site.google_analytics.id }}"></script>
-<script>
-  document.addEventListener("DOMContentLoaded", function(event) {
-    window.dataLayer = window.dataLayer || [];
-    function gtag(){dataLayer.push(arguments);}
-
-    gtag('js', new Date());
-    gtag('config', '{{ site.google_analytics.id }}');
-  });
-</script>

_includes/head.html

@@ -20,7 +20,7 @@
 
     {% unless src contains '://' %}
       {%- capture img_url -%}
-        {% include img-url.html src=src img_path=page.img_path absolute=true %}
+        {% include media-url.html src=src subpath=page.media_subpath absolute=true %}
       {%- endcapture -%}
 
       {%- capture old_url -%}{{ src | absolute_url }}{%- endcapture -%}
@@ -31,7 +31,7 @@
 
   {% elsif site.social_preview_image %}
     {%- capture img_url -%}
-      {% include img-url.html src=site.social_preview_image absolute=true %}
+      {% include media-url.html src=site.social_preview_image absolute=true %}
     {%- endcapture -%}
 
     {%- capture og_image -%}
@@ -59,34 +59,30 @@
 
   {% include_cached favicons.html %}
 
-  {% if site.resources.ignore_env != jekyll.environment and site.resources.self_hosted %}
-    <link href="{{ site.data.origin[type].webfonts | relative_url }}" rel="stylesheet">
-
-  {% else %}
-    {% for cdn in site.data.origin[type].cdns %}
-      <link rel="preconnect" href="{{ cdn.url }}" {{ cdn.args }}>
-      <link rel="dns-prefetch" href="{{ cdn.url }}" {{ cdn.args }}>
+  <!-- Resource Hints -->
+  {% unless site.assets.self_host.enabled %}
+    {% for hint in site.data.origin.cors.resource_hints %}
+      {% for link in hint.links %}
+        <link rel="{{ link.rel }}" href="{{ hint.url }}" {{ link.opts | join: ' ' }}>
       {% endfor %}
-
-    <link rel="stylesheet" href="{{ site.data.origin[type].webfonts | relative_url }}">
-  {% endif %}
-
-  <!-- GA -->
-  {% if jekyll.environment == 'production' and site.google_analytics.id != empty and site.google_analytics.id %}
-    <link rel="preconnect" href="https://www.google-analytics.com" crossorigin="use-credentials">
-    <link rel="dns-prefetch" href="https://www.google-analytics.com">
-
-    <link rel="preconnect" href="https://www.googletagmanager.com" crossorigin="anonymous">
-    <link rel="dns-prefetch" href="https://www.googletagmanager.com">
-  {% endif %}
+    {% endfor %}
+  {% endunless %}
 
   <!-- Bootstrap -->
-  <link rel="stylesheet" href="{{ site.data.origin[type].bootstrap.css | relative_url }}">
+  {% unless jekyll.environment == 'production' %}
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css">
+  {% endunless %}
 
-  <!-- Font Awesome -->
+  <!-- Theme style -->
+  <link rel="stylesheet" href="{{ '/assets/css/:THEME.css' | replace: ':THEME', site.theme | relative_url }}">
+
+  <!-- Web Font -->
+  <link rel="stylesheet" href="{{ site.data.origin[type].webfonts | relative_url }}">
+
+  <!-- Font Awesome Icons -->
   <link rel="stylesheet" href="{{ site.data.origin[type].fontawesome.css | relative_url }}">
 
-  <link rel="stylesheet" href="{{ '/assets/css/:THEME.css' | replace: ':THEME', site.theme | relative_url }}">
+  <!-- 3rd-party Dependencies -->
 
   {% if site.toc and page.toc %}
     <link rel="stylesheet" href="{{ site.data.origin[type].toc.css | relative_url }}">
@@ -97,8 +93,8 @@
   {% endif %}
 
   {% if page.layout == 'page' or page.layout == 'post' %}
-    <!-- Manific Popup -->
-    <link rel="stylesheet" href="{{ site.data.origin[type].magnific-popup.css | relative_url }}">
+    <!-- Image Popup -->
+    <link rel="stylesheet" href="{{ site.data.origin[type].glightbox.css | relative_url }}">
   {% endif %}
 
   <!-- JavaScript -->

_includes/js-selector.html

@@ -2,12 +2,7 @@
 
 <!-- commons -->
 
-{% assign urls = site.data.origin[type].jquery.js
-  | append: ','
-  | append: site.data.origin[type].bootstrap.js
-  | append: ','
-  | append: site.data.origin[type].search.js
-%}
+{% assign urls = site.data.origin[type].search.js %}
 
 <!-- layout specified -->
 
@@ -20,7 +15,7 @@
     <!-- image lazy-loading & popup & clipboard -->
     {% assign urls = urls
       | append: ','
-      | append: site.data.origin[type]['magnific-popup'].js
+      | append: site.data.origin[type].glightbox.js
       | append: ','
       | append: site.data.origin[type].clipboard.js
     %}
@@ -33,7 +28,7 @@
   or page.layout == 'category'
   or page.layout == 'tag'
 %}
-  {% assign locale = site.lang | split: '-' | first %}
+  {% assign locale = include.lang | split: '-' | first %}
 
   {% assign urls = urls
     | append: ','
@@ -68,46 +63,45 @@
 {% endcase %}
 
 {% capture script %}{{ js_dist }}{{ js }}.min.js{% endcapture %}
-<script defer src="{{ script | relative_url }}"></script>
+<script src="{{ script | relative_url }}"></script>
 
 {% if page.math %}
   <!-- MathJax -->
-  <script>
-    /* see: <https://docs.mathjax.org/en/latest/options/input/tex.html#tex-options> */
-    MathJax = {
-      tex: {
-        /* start/end delimiter pairs for in-line math */
-        inlineMath: [
-          ['$', '$'],
-          ['\\(', '\\)']
-        ],
-        /* start/end delimiter pairs for display math */
-        displayMath: [
-          ['$$', '$$'],
-          ['\\[', '\\]']
-        ],
-        /* equation numbering */
-        tags: 'ams'
-      }
-    };
-  </script>
+  <script src="{{ '/assets/js/data/mathjax.js' | relative_url }}"></script>
   <script src="https://cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js?features=es6"></script>
   <script id="MathJax-script" async src="{{ site.data.origin[type].mathjax.js | relative_url }}"></script>
 {% endif %}
 
+<!-- Pageviews -->
+{% if page.layout == 'post' %}
+  {% assign provider = site.pageviews.provider %}
+
+  {% if provider and provider != empty %}
+    {% case provider %}
+      {% when 'goatcounter' %}
+        {% if site.analytics[provider].id != empty and site.analytics[provider].id %}
+          {% include pageviews/{{ provider }}.html %}
+        {% endif %}
+    {% endcase %}
+  {% endif %}
+{% endif %}
+
+{% if page.mermaid %}
+  {% include mermaid.html %}
+{% endif %}
+
 {% if jekyll.environment == 'production' %}
   <!-- PWA -->
   {% if site.pwa.enabled %}
     <script defer src="{{ 'app.min.js' | prepend: js_dist | relative_url }}"></script>
   {% endif %}
 
-  <!-- GA -->
-  {% if site.google_analytics.id != empty and site.google_analytics.id %}
-    {% include google-analytics.html %}
-  {% endif %}
-
-  <!-- GoatCounter -->
-  {% if site.goatcounter.id != empty and site.goatcounter.id %}
-    {% include goatcounter.html %}
+  <!-- Web Analytics -->
+  {% for analytics in site.analytics %}
+    {% capture str %}{{ analytics }}{% endcapture %}
+    {% assign type = str | split: '{' | first %}
+    {% if site.analytics[type].id and site.analytics[type].id != empty %}
+      {% include analytics/{{ type }}.html %}
     {% endif %}
+  {% endfor %}
 {% endif %}

_includes/lang.html

@@ -1,7 +1,9 @@
 {% comment %}
   Detect appearance language and return it through variable "lang"
 {% endcomment %}
-{% if site.data.locales[site.lang] %}
+{% if site.data.locales[page.lang] %}
+  {% assign lang = page.lang %}
+{% elsif site.data.locales[site.lang] %}
   {% assign lang = site.lang %}
 {% else %}
   {% assign lang = 'en' %}

_includes/media-url.html

@@ -1,25 +1,25 @@
 {%- comment -%}
-  Generate image final URL based on `site.img_cdn`, `page.img_path`
+  Generate media resource final URL based on `site.cdn`, `page.media_subpath`
 
   Arguments:
-    src - required, basic image path
-    img_path - optional, relative path of image
+    src - required, basic media resources path
+    subpath - optional, relative path of media resources
     absolute - optional, boolean, if true, generate absolute URL
 
   Return:
-    image URL
+    media resources URL
 {%- endcomment -%}
 
 {% assign url = include.src %}
 
 {%- if url -%}
   {% unless url contains ':' %}
-    {%- comment -%} Add page image path prefix {%- endcomment -%}
-    {% assign url = include.img_path | default: '' | append: '/' | append: url %}
+    {%- comment -%} Add media resources subpath prefix {%- endcomment -%}
+    {% assign url = include.subpath | default: '' | append: '/' | append: url %}
 
     {%- comment -%} Prepend CND URL {%- endcomment -%}
-    {% if site.img_cdn %}
-      {% assign url = site.img_cdn | append: '/' | append: url %}
+    {% if site.cdn %}
+      {% assign url = site.cdn | append: '/' | append: url %}
     {% endif %}
 
     {% assign url = url | replace: '///', '/' | replace: '//', '/' | replace: ':/', '://' %}

_includes/mermaid.html

@@ -1,6 +1,5 @@
 <!-- mermaid-js loader -->
 <script type="text/javascript">
-  (function () {
   function updateMermaid(event) {
     if (event.source === window && event.data && event.data.direction === ModeToggle.ID) {
       const mode = event.data.message;
@@ -12,11 +11,15 @@
       let expectedTheme = mode === ModeToggle.DARK_MODE ? 'dark' : 'default';
       let config = { theme: expectedTheme };
 
-        /* Re-render the SVG › <https://github.com/mermaid-js/mermaid/issues/311#issuecomment-332557344> */
-        $('.mermaid').each(function () {
-          let svgCode = $(this).prev().children().html();
-          $(this).removeAttr('data-processed');
-          $(this).html(svgCode);
+      {%- comment -%}
+        Re-render the SVG › <https://github.com/mermaid-js/mermaid/issues/311#issuecomment-332557344>
+      {%- endcomment -%}
+      const mermaidList = document.getElementsByClassName('mermaid');
+
+      [...mermaidList].forEach((elem) => {
+        const svgCode = elem.previousSibling.children.item(0).innerHTML;
+        elem.innerHTML = svgCode;
+        elem.removeAttribute('data-processed');
       });
 
       mermaid.initialize(config);
@@ -24,6 +27,7 @@
     }
   }
 
+  (function () {
     let initTheme = 'default';
     const html = document.documentElement;
 
@@ -35,15 +39,16 @@
     }
 
     let mermaidConf = {
-      theme: initTheme /* <default|dark|forest|neutral> */
+      theme: initTheme {%- comment -%}  <default | dark | forest | neutral> {%- endcomment -%}
     };
 
-    /* Create mermaid tag */
-    document.querySelectorAll('pre>code.language-mermaid').forEach((elem) => {
+    {%- comment -%} Create mermaid tag {%- endcomment -%}
+    const basicList = document.getElementsByClassName('language-mermaid');
+    [...basicList].forEach((elem) => {
       const svgCode = elem.textContent;
       const backup = elem.parentElement;
-      backup.classList.add('unloaded');
-      /* create mermaid node */
+      backup.classList.add('d-none');
+      {%- comment -%} create mermaid node {%- endcomment -%}
       let mermaid = document.createElement('pre');
       mermaid.classList.add('mermaid');
       const text = document.createTextNode(svgCode);
@@ -52,7 +57,6 @@
     });
 
     mermaid.initialize(mermaidConf);
-
     window.addEventListener('message', updateMermaid);
   })();
 </script>

_includes/mode-toggle.html

@@ -19,45 +19,32 @@
     }
 
     constructor() {
-      if (this.hasMode) {
-        if (this.isDarkMode) {
-          if (!this.isSysDarkPrefer) {
-            this.setDark();
+      let self = this;
+
+      {%- comment -%} always follow the system prefers {%- endcomment -%}
+      this.sysDarkPrefers.addEventListener('change', () => {
+        if (self.hasMode) {
+          self.clearMode();
         }
+        self.notify();
+      });
+
+      if (!this.hasMode) {
+        return;
+      }
+
+      if (this.isDarkMode) {
+        this.setDark();
       } else {
-          if (this.isSysDarkPrefer) {
         this.setLight();
       }
     }
-      }
-
-      let self = this;
-
-      /* always follow the system prefers */
-      this.sysDarkPrefers.addEventListener('change', () => {
-        if (self.hasMode) {
-          if (self.isDarkMode) {
-            if (!self.isSysDarkPrefer) {
-              self.setDark();
-            }
-          } else {
-            if (self.isSysDarkPrefer) {
-              self.setLight();
-            }
-          }
-
-          self.clearMode();
-        }
-
-        self.notify();
-      });
-    } /* constructor() */
 
     get sysDarkPrefers() {
       return window.matchMedia('(prefers-color-scheme: dark)');
     }
 
-    get isSysDarkPrefer() {
+    get isPreferDark() {
       return this.sysDarkPrefers.matches;
     }
 
@@ -65,10 +52,6 @@
       return this.mode === ModeToggle.DARK_MODE;
     }
 
-    get isLightMode() {
-      return this.mode === ModeToggle.LIGHT_MODE;
-    }
-
     get hasMode() {
       return this.mode != null;
     }
@@ -77,12 +60,12 @@
       return sessionStorage.getItem(ModeToggle.MODE_KEY);
     }
 
-    /* get the current mode on screen */
+    {%- comment -%} get the current mode on screen {%- endcomment -%}
     get modeStatus() {
-      if (this.isDarkMode || (!this.hasMode && this.isSysDarkPrefer)) {
-        return ModeToggle.DARK_MODE;
+      if (this.hasMode) {
+        return this.mode;
       } else {
-        return ModeToggle.LIGHT_MODE;
+        return this.isPreferDark ? ModeToggle.DARK_MODE : ModeToggle.LIGHT_MODE;
       }
     }
 
@@ -101,7 +84,9 @@
       sessionStorage.removeItem(ModeToggle.MODE_KEY);
     }
 
-    /* Notify another plugins that the theme mode has changed */
+    {%- comment -%}
+      Notify another plugins that the theme mode has changed
+    {%- endcomment -%}
     notify() {
       window.postMessage(
         {
@@ -114,21 +99,9 @@
 
     flipMode() {
       if (this.hasMode) {
-        if (this.isSysDarkPrefer) {
-          if (this.isLightMode) {
         this.clearMode();
       } else {
-            this.setLight();
-          }
-        } else {
-          if (this.isDarkMode) {
-            this.clearMode();
-          } else {
-            this.setDark();
-          }
-        }
-      } else {
-        if (this.isSysDarkPrefer) {
+        if (this.isPreferDark) {
           this.setLight();
         } else {
           this.setDark();
@@ -136,8 +109,8 @@
       }
 
       this.notify();
-    } /* flipMode() */
-  } /* ModeToggle */
+    }
+  }
 
   const modeToggle = new ModeToggle();
 </script>

_includes/pageviews/goatcounter.html

@@ -0,0 +1,18 @@
+<!-- Display GoatCounter pageviews -->
+<script>
+  let pv = document.getElementById('pageviews');
+
+  if (pv !== null) {
+    const uri = location.pathname.replace(/\/$/, '');
+    const url = `https://{{ site.analytics.goatcounter.id }}.goatcounter.com/counter/${encodeURIComponent(uri)}.json`;
+
+    fetch(url)
+      .then((response) => response.json())
+      .then((data) => {
+        pv.innerText = new Intl.NumberFormat().format(data.count);
+      })
+      .catch((error) => {
+        pv.innerText = '1';
+      });
+  }
+</script>

_includes/post-description.html

@@ -0,0 +1,16 @@
+{%- comment -%}
+  Get post description or generate it from the post content.
+{%- endcomment -%}
+
+{%- assign max_length = include.max_length | default: 200 -%}
+
+{%- capture description -%}
+{%- if post.description -%}
+  {{- post.description -}}
+{%- else -%}
+  {%- include no-linenos.html content=post.content -%}
+  {{- content | markdownify | strip_html -}}
+{%- endif -%}
+{%- endcapture -%}
+
+{{- description | strip | truncate: max_length | escape -}}

_includes/refactor-content.html

@@ -97,7 +97,7 @@
     {% assign _lazyload = true %}
 
     {%- capture _img_url -%}
-      {% include img-url.html src=_src img_path=page.img_path %}
+      {% include media-url.html src=_src subpath=page.media_subpath %}
     {%- endcapture -%}
 
     {% assign _path_prefix = _img_url | remove: _src %}

_includes/related-posts.html

@@ -21,6 +21,7 @@
   {% assign match_posts = match_posts | push: site.tags[tag] | uniq %}
 {% endfor %}
 
+{% assign match_posts = match_posts | reverse %}
 {% assign last_index = match_posts.size | minus: 1 %}
 {% assign score_list = '' | split: '' %}
 
@@ -81,10 +82,7 @@
               {% include datetime.html date=post.date lang=include.lang %}
               <h4 class="pt-0 my-2">{{ post.title }}</h4>
               <div class="text-muted">
-                <p>
-                  {% include no-linenos.html content=post.content %}
-                  {{ content | markdownify | strip_html | truncate: 200 | escape }}
-                </p>
+                <p>{% include post-description.html %}</p>
               </div>
             </div>
           </a>

_includes/search-loader.html

@@ -19,7 +19,7 @@
 {% capture not_found %}<p class="mt-5">{{ site.data.locales[include.lang].search.no_results }}</p>{% endcapture %}
 
 <script>
-  /* Note: dependent library will be loaded in `js-selector.html` */
+  {%- comment -%} Note: dependent library will be loaded in `js-selector.html` {%- endcomment -%}
   SimpleJekyllSearch({
     searchInput: document.getElementById('search-input'),
     resultsContainer: document.getElementById('search-results'),

_includes/search-results.html

@@ -1,6 +1,6 @@
 <!-- The Search results -->
 
-<div id="search-result-wrapper" class="d-flex justify-content-center unloaded">
+<div id="search-result-wrapper" class="d-flex justify-content-center d-none">
   <div class="col-11 content">
     <div id="search-hints">
       {% include_cached trending-tags.html %}

_includes/sidebar.html

@@ -5,7 +5,7 @@
     <a href="{{ '/' | relative_url }}" id="avatar" class="rounded-circle">
       {%- if site.avatar != empty and site.avatar -%}
         {%- capture avatar_url -%}
-          {% include img-url.html src=site.avatar %}
+          {% include media-url.html src=site.avatar %}
         {%- endcapture -%}
         <img src="{{- avatar_url -}}" width="112" height="112" alt="avatar" onerror="this.style.display='none'">
       {%- endif -%}
@@ -44,7 +44,7 @@
 
   <div class="sidebar-bottom d-flex flex-wrap  align-items-center w-100">
     {% unless site.theme_mode %}
-      <button type="button" class="mode-toggle btn" aria-label="Switch Mode">
+      <button type="button" class="btn btn-link nav-link" aria-label="Switch Mode" id="mode-toggle">
         <i class="fas fa-adjust"></i>
       </button>
 

_includes/toc.html

@@ -6,8 +6,8 @@
 {% endif %}
 
 {% if enable_toc %}
-  <section id="toc-wrapper" class="ps-0 pe-4">
-    <h2 class="panel-heading ps-3 pt-2 mb-2">{{- site.data.locales[include.lang].panel.toc -}}</h2>
+  <section id="toc-wrapper" class="d-none ps-0 pe-4">
+    <h2 class="panel-heading ps-3 mb-2">{{- site.data.locales[include.lang].panel.toc -}}</h2>
     <nav id="toc"></nav>
   </section>
 {% endif %}

_includes/topbar.html

@@ -59,7 +59,7 @@
       <i class="fas fa-search fa-fw"></i>
     </button>
 
-    <search class="align-items-center ms-3 ms-lg-0">
+    <search id="search" class="align-items-center ms-3 ms-lg-0">
       <i class="fas fa-search fa-fw"></i>
       <input
         class="form-control"

_javascript/commons.js

@@ -1,5 +1,5 @@
 import { basic, initSidebar, initTopbar } from './modules/layouts';
 
-basic();
 initSidebar();
 initTopbar();
+basic();

_javascript/home.js

@@ -1,8 +1,8 @@
 import { basic, initSidebar, initTopbar } from './modules/layouts';
 import { initLocaleDatetime, loadImg } from './modules/plugins';
 
-basic();
+loadImg();
+initLocaleDatetime();
 initSidebar();
 initTopbar();
-initLocaleDatetime();
-loadImg();
+basic();

_javascript/misc.js

@@ -1,7 +1,7 @@
 import { basic, initSidebar, initTopbar } from './modules/layouts';
 import { initLocaleDatetime } from './modules/plugins';
 
-basic();
 initSidebar();
 initTopbar();
 initLocaleDatetime();
+basic();

_javascript/modules/components/back-to-top.js

@@ -3,18 +3,17 @@
  */
 
 export function back2top() {
-  const $window = $(window);
-  const $btn = $('#back-to-top');
+  const btn = document.getElementById('back-to-top');
 
-  $window.on('scroll', () => {
-    if ($window.scrollTop() > 50) {
-      $btn.fadeIn();
+  window.addEventListener('scroll', () => {
+    if (window.scrollY > 50) {
+      btn.classList.add('show');
     } else {
-      $btn.fadeOut();
+      btn.classList.remove('show');
     }
   });
 
-  $btn.on('click', () => {
-    $window.scrollTop(0);
+  btn.addEventListener('click', () => {
+    window.scrollTo({ top: 0 });
   });
 }

_javascript/modules/components/category-collapse.js

@@ -1,36 +1,36 @@
 /**
  * Tab 'Categories' expand/close effect.
  */
+
+import 'bootstrap/js/src/collapse.js';
+
 const childPrefix = 'l_';
 const parentPrefix = 'h_';
-const collapse = $('.collapse');
+const children = document.getElementsByClassName('collapse');
 
 export function categoryCollapse() {
-  /* close up top-category */
-  collapse.on('hide.bs.collapse', function () {
-    /* Bootstrap collapse events. */ const parentId =
-      parentPrefix + $(this).attr('id').substring(childPrefix.length);
-    if (parentId) {
-      $(`#${parentId} .far.fa-folder-open`).attr(
-        'class',
-        'far fa-folder fa-fw'
-      );
-      $(`#${parentId} i.fas`).addClass('rotate');
-      $(`#${parentId}`).removeClass('hide-border-bottom');
+  [...children].forEach((elem) => {
+    const id = parentPrefix + elem.id.substring(childPrefix.length);
+    const parent = document.getElementById(id);
+
+    // collapse sub-categories
+    elem.addEventListener('hide.bs.collapse', () => {
+      if (parent) {
+        parent.querySelector('.far.fa-folder-open').className =
+          'far fa-folder fa-fw';
+        parent.querySelector('.fas.fa-angle-down').classList.add('rotate');
+        parent.classList.remove('hide-border-bottom');
       }
     });
 
-  /* expand the top category */
-  collapse.on('show.bs.collapse', function () {
-    const parentId =
-      parentPrefix + $(this).attr('id').substring(childPrefix.length);
-    if (parentId) {
-      $(`#${parentId} .far.fa-folder`).attr(
-        'class',
-        'far fa-folder-open fa-fw'
-      );
-      $(`#${parentId} i.fas`).removeClass('rotate');
-      $(`#${parentId}`).addClass('hide-border-bottom');
+    // expand sub-categories
+    elem.addEventListener('show.bs.collapse', () => {
+      if (parent) {
+        parent.querySelector('.far.fa-folder').className =
+          'far fa-folder-open fa-fw';
+        parent.querySelector('.fas.fa-angle-down').classList.remove('rotate');
+        parent.classList.add('hide-border-bottom');
       }
     });
+  });
 }

_javascript/modules/components/clipboard.js

@@ -2,85 +2,88 @@
  * Clipboard functions
  *
  * Dependencies:
- *   - popper.js (https://github.com/popperjs/popper-core)
- *   - clipboard.js (https://github.com/zenorocha/clipboard.js)
+ *    clipboard.js (https://github.com/zenorocha/clipboard.js)
  */
 
+import Tooltip from 'bootstrap/js/src/tooltip';
+
 const clipboardSelector = '.code-header>button';
+
+const ICON_DEFAULT = 'far fa-clipboard';
 const ICON_SUCCESS = 'fas fa-check';
+
 const ATTR_TIMEOUT = 'timeout';
 const ATTR_TITLE_SUCCEED = 'data-title-succeed';
 const ATTR_TITLE_ORIGIN = 'data-bs-original-title';
 const TIMEOUT = 2000; // in milliseconds
 
 function isLocked(node) {
-  if ($(node)[0].hasAttribute(ATTR_TIMEOUT)) {
-    let timeout = $(node).attr(ATTR_TIMEOUT);
+  if (node.hasAttribute(ATTR_TIMEOUT)) {
+    let timeout = node.getAttribute(ATTR_TIMEOUT);
     if (Number(timeout) > Date.now()) {
       return true;
     }
   }
+
   return false;
 }
 
 function lock(node) {
-  $(node).attr(ATTR_TIMEOUT, Date.now() + TIMEOUT);
+  node.setAttribute(ATTR_TIMEOUT, Date.now() + TIMEOUT);
 }
 
 function unlock(node) {
-  $(node).removeAttr(ATTR_TIMEOUT);
+  node.removeAttribute(ATTR_TIMEOUT);
 }
 
-function getIcon(btn) {
-  let iconNode = $(btn).children();
-  return iconNode.attr('class');
-}
-
-const ICON_DEFAULT = getIcon(clipboardSelector);
-
 function showTooltip(btn) {
-  const succeedTitle = $(btn).attr(ATTR_TITLE_SUCCEED);
-  $(btn).attr(ATTR_TITLE_ORIGIN, succeedTitle).tooltip('show');
+  const succeedTitle = btn.getAttribute(ATTR_TITLE_SUCCEED);
+  btn.setAttribute(ATTR_TITLE_ORIGIN, succeedTitle);
+  Tooltip.getInstance(btn).show();
 }
 
 function hideTooltip(btn) {
-  $(btn).tooltip('hide').removeAttr(ATTR_TITLE_ORIGIN);
+  Tooltip.getInstance(btn).hide();
+  btn.removeAttribute(ATTR_TITLE_ORIGIN);
 }
 
 function setSuccessIcon(btn) {
-  let btnNode = $(btn);
-  let iconNode = btnNode.children();
-  iconNode.attr('class', ICON_SUCCESS);
+  const icon = btn.children[0];
+  icon.setAttribute('class', ICON_SUCCESS);
 }
 
 function resumeIcon(btn) {
-  let btnNode = $(btn);
-  let iconNode = btnNode.children();
-  iconNode.attr('class', ICON_DEFAULT);
+  const icon = btn.children[0];
+  icon.setAttribute('class', ICON_DEFAULT);
 }
 
-export function initClipboard() {
+function setCodeClipboard() {
+  const clipboardList = document.querySelectorAll(clipboardSelector);
+
+  if (clipboardList.length === 0) {
+    return;
+  }
+
   // Initial the clipboard.js object
-  if ($(clipboardSelector).length) {
   const clipboard = new ClipboardJS(clipboardSelector, {
-      target(trigger) {
-        let codeBlock = trigger.parentNode.nextElementSibling;
+    target: (trigger) => {
+      const codeBlock = trigger.parentNode.nextElementSibling;
       return codeBlock.querySelector('code .rouge-code');
     }
   });
 
-    const clipboardList = document.querySelectorAll(clipboardSelector);
   [...clipboardList].map(
     (elem) =>
-        new bootstrap.Tooltip(elem, {
+      new Tooltip(elem, {
         placement: 'left'
       })
   );
 
   clipboard.on('success', (e) => {
+    const trigger = e.trigger;
+
     e.clearSelection();
 
-      const trigger = e.trigger;
     if (isLocked(trigger)) {
       return;
     }
@@ -95,14 +98,17 @@ export function initClipboard() {
       unlock(trigger);
     }, TIMEOUT);
   });
+}
+
+function setLinkClipboard() {
+  const btnCopyLink = document.getElementById('copy-link');
+
+  if (btnCopyLink === null) {
+    return;
   }
 
-  /* --- Post link sharing --- */
-
-  const btnCopyLink = $('#copy-link');
-
-  btnCopyLink.on('click', (e) => {
-    let target = $(e.target);
+  btnCopyLink.addEventListener('click', (e) => {
+    const target = e.target;
 
     if (isLocked(target)) {
       return;
@@ -110,21 +116,28 @@ export function initClipboard() {
 
     // Copy URL to clipboard
     navigator.clipboard.writeText(window.location.href).then(() => {
-      const defaultTitle = target.attr(ATTR_TITLE_ORIGIN);
-      const succeedTitle = target.attr(ATTR_TITLE_SUCCEED);
+      const defaultTitle = target.getAttribute(ATTR_TITLE_ORIGIN);
+      const succeedTitle = target.getAttribute(ATTR_TITLE_SUCCEED);
+
       // Switch tooltip title
-      target.attr(ATTR_TITLE_ORIGIN, succeedTitle).tooltip('show');
+      target.setAttribute(ATTR_TITLE_ORIGIN, succeedTitle);
+      Tooltip.getInstance(target).show();
+
       lock(target);
 
       setTimeout(() => {
-        target.attr(ATTR_TITLE_ORIGIN, defaultTitle);
+        target.setAttribute(ATTR_TITLE_ORIGIN, defaultTitle);
         unlock(target);
       }, TIMEOUT);
     });
   });
 
-  btnCopyLink.on('mouseleave', function (e) {
-    const target = $(e.target);
-    target.tooltip('hide');
+  btnCopyLink.addEventListener('mouseleave', (e) => {
+    Tooltip.getInstance(e.target).hide();
   });
 }
+
+export function initClipboard() {
+  setCodeClipboard();
+  setLinkClipboard();
+}

_javascript/modules/components/img-loading.js

@@ -11,7 +11,7 @@ const cover = {
 };
 
 function removeCover(clzss) {
-  $(this).parent().removeClass(clzss);
+  this.parentElement.classList.remove(clzss);
 }
 
 function handleImage() {
@@ -30,32 +30,38 @@ function handleImage() {
  * Switches the LQIP with the real image URL.
  */
 function switchLQIP() {
-  const $img = $(this);
-  const src = $img.attr(ATTR_DATA_SRC);
-
-  $img.attr('src', encodeURI(src));
-  $img.removeAttr(ATTR_DATA_SRC);
+  const src = this.getAttribute(ATTR_DATA_SRC);
+  this.setAttribute('src', encodeURI(src));
+  this.removeAttribute(ATTR_DATA_SRC);
 }
 
 export function loadImg() {
-  const $images = $('article img');
+  const images = document.querySelectorAll('article img');
 
-  if ($images.length) {
-    $images.on('load', handleImage);
+  if (images.length === 0) {
+    return;
   }
 
+  images.forEach((img) => {
+    img.addEventListener('load', handleImage);
+  });
+
   // Images loaded from the browser cache do not trigger the 'load' event
-  $('article img[loading="lazy"]').each(function () {
-    if (this.complete) {
-      removeCover.call(this, cover.SHIMMER);
+  document.querySelectorAll('article img[loading="lazy"]').forEach((img) => {
+    if (img.complete) {
+      removeCover.call(img, cover.SHIMMER);
     }
   });
 
   // LQIPs set by the data URI or WebP will not trigger the 'load' event,
   // so manually convert the URI to the URL of a high-resolution image.
-  const $lqips = $(`article img[${ATTR_DATA_LQIP}="true"]`);
+  const lqips = document.querySelectorAll(
+    `article img[${ATTR_DATA_LQIP}="true"]`
+  );
 
-  if ($lqips.length) {
-    $lqips.each(switchLQIP);
+  if (lqips.length) {
+    lqips.forEach((lqip) => {
+      switchLQIP.call(lqip);
+    });
   }
 }

_javascript/modules/components/img-popup.js

@@ -1,22 +1,15 @@
 /**
  * Set up image popup
  *
- * See: https://github.com/dimsemenov/Magnific-Popup
+ * Dependencies: https://github.com/biati-digital/glightbox
  */
 
+const IMG_CLASS = 'popup';
+
 export function imgPopup() {
-  if ($('.popup') <= 0) {
+  if (document.getElementsByClassName(IMG_CLASS).length === 0) {
     return;
   }
 
-  $('.popup').magnificPopup({
-    type: 'image',
-    closeOnContentClick: true,
-    showCloseBtn: false,
-    zoom: {
-      enabled: true,
-      duration: 300,
-      easing: 'ease-in-out'
-    }
-  });
+  GLightbox({ selector: `.${IMG_CLASS}` });
 }

_javascript/modules/components/locale-datetime.js

@@ -15,15 +15,15 @@ class LocaleHelper {
   }
 
   static get locale() {
-    return $('html').attr('lang').substring(0, 2);
+    return document.documentElement.getAttribute('lang').substring(0, 2);
   }
 
   static getTimestamp(elem) {
-    return Number(elem.attr(LocaleHelper.attrTimestamp)); // unix timestamp
+    return Number(elem.getAttribute(this.attrTimestamp)); // unix timestamp
   }
 
   static getDateFormat(elem) {
-    return elem.attr(LocaleHelper.attrDateFormat);
+    return elem.getAttribute(this.attrDateFormat);
   }
 }
 
@@ -31,21 +31,23 @@ export function initLocaleDatetime() {
   dayjs.locale(LocaleHelper.locale);
   dayjs.extend(window.dayjs_plugin_localizedFormat);
 
-  $(`[${LocaleHelper.attrTimestamp}]`).each(function () {
-    const date = dayjs.unix(LocaleHelper.getTimestamp($(this)));
-    const text = date.format(LocaleHelper.getDateFormat($(this)));
-    $(this).text(text);
-    $(this).removeAttr(LocaleHelper.attrTimestamp);
-    $(this).removeAttr(LocaleHelper.attrDateFormat);
+  document
+    .querySelectorAll(`[${LocaleHelper.attrTimestamp}]`)
+    .forEach((elem) => {
+      const date = dayjs.unix(LocaleHelper.getTimestamp(elem));
+      const text = date.format(LocaleHelper.getDateFormat(elem));
+      elem.textContent = text;
+      elem.removeAttribute(LocaleHelper.attrTimestamp);
+      elem.removeAttribute(LocaleHelper.attrDateFormat);
 
       // setup tooltips
-    const tooltip = $(this).attr('data-bs-toggle');
-    if (typeof tooltip === 'undefined' || tooltip !== 'tooltip') {
-      return;
+      if (
+        elem.hasAttribute('data-bs-toggle') &&
+        elem.getAttribute('data-bs-toggle') === 'tooltip'
+      ) {
+        // see: https://day.js.org/docs/en/display/format#list-of-localized-formats
+        const tooltipText = date.format('llll');
+        elem.setAttribute('data-bs-title', tooltipText);
       }
-
-    const tooltipText = date.format('llll'); // see: https://day.js.org/docs/en/display/format#list-of-localized-formats
-    $(this).attr('data-bs-title', tooltipText);
-    new bootstrap.Tooltip($(this));
     });
 }

_javascript/modules/components/mode-watcher.js

@@ -1,21 +1,14 @@
 /**
  * Add listener for theme mode toggle
  */
-const $toggleElem = $('.mode-toggle');
+const toggle = document.getElementById('mode-toggle');
 
 export function modeWatcher() {
-  if ($toggleElem.length === 0) {
+  if (!toggle) {
     return;
   }
 
-  $toggleElem.off().on('click', (e) => {
-    const $target = $(e.target);
-    let $btn =
-      $target.prop('tagName') === 'button'.toUpperCase()
-        ? $target
-        : $target.parent();
-
-    modeToggle.flipMode(); // modeToggle: `_includes/mode-toggle.html`
-    $btn.trigger('blur'); // remove the clicking outline
+  toggle.addEventListener('click', () => {
+    modeToggle.flipMode();
   });
 }

_javascript/modules/components/search-display.js

@@ -1,121 +1,109 @@
 /**
  * This script make #search-result-wrapper switch to unloaded or shown automatically.
  */
-const $btnSbTrigger = $('#sidebar-trigger');
-const $btnSearchTrigger = $('#search-trigger');
-const $btnCancel = $('#search-cancel');
-const $content = $('#main-wrapper>.container>.row');
-const $topbarTitle = $('#topbar-title');
-const $search = $('search');
-const $resultWrapper = $('#search-result-wrapper');
-const $results = $('#search-results');
-const $input = $('#search-input');
-const $hints = $('#search-hints');
-const $viewport = $('html,body');
 
-// class names
-const C_LOADED = 'loaded';
-const C_UNLOADED = 'unloaded';
-const C_FOCUS = 'input-focus';
-const C_FLEX = 'd-flex';
+const btnSbTrigger = document.getElementById('sidebar-trigger');
+const btnSearchTrigger = document.getElementById('search-trigger');
+const btnCancel = document.getElementById('search-cancel');
+const content = document.querySelectorAll('#main-wrapper>.container>.row');
+const topbarTitle = document.getElementById('topbar-title');
+const search = document.getElementById('search');
+const resultWrapper = document.getElementById('search-result-wrapper');
+const results = document.getElementById('search-results');
+const input = document.getElementById('search-input');
+const hints = document.getElementById('search-hints');
 
-class ScrollBlocker {
-  static offset = 0;
-  static resultVisible = false;
+// CSS class names
+const LOADED = 'd-block';
+const UNLOADED = 'd-none';
+const FOCUS = 'input-focus';
+const FLEX = 'd-flex';
 
-  static on() {
-    ScrollBlocker.offset = window.scrollY;
-    $viewport.scrollTop(0);
-  }
-
-  static off() {
-    $viewport.scrollTop(ScrollBlocker.offset);
-  }
-}
-
-/*--- Actions in mobile screens (Sidebar hidden) ---*/
+/* Actions in mobile screens (Sidebar hidden) */
 class MobileSearchBar {
   static on() {
-    $btnSbTrigger.addClass(C_UNLOADED);
-    $topbarTitle.addClass(C_UNLOADED);
-    $btnSearchTrigger.addClass(C_UNLOADED);
-    $search.addClass(C_FLEX);
-    $btnCancel.addClass(C_LOADED);
+    btnSbTrigger.classList.add(UNLOADED);
+    topbarTitle.classList.add(UNLOADED);
+    btnSearchTrigger.classList.add(UNLOADED);
+    search.classList.add(FLEX);
+    btnCancel.classList.add(LOADED);
   }
 
   static off() {
-    $btnCancel.removeClass(C_LOADED);
-    $search.removeClass(C_FLEX);
-    $btnSbTrigger.removeClass(C_UNLOADED);
-    $topbarTitle.removeClass(C_UNLOADED);
-    $btnSearchTrigger.removeClass(C_UNLOADED);
+    btnCancel.classList.remove(LOADED);
+    search.classList.remove(FLEX);
+    btnSbTrigger.classList.remove(UNLOADED);
+    topbarTitle.classList.remove(UNLOADED);
+    btnSearchTrigger.classList.remove(UNLOADED);
   }
 }
 
 class ResultSwitch {
+  static resultVisible = false;
+
   static on() {
-    if (!ScrollBlocker.resultVisible) {
-      // the block method must be called before $(#main-wrapper>.container) unloaded.
-      ScrollBlocker.on();
-      $resultWrapper.removeClass(C_UNLOADED);
-      $content.addClass(C_UNLOADED);
-      ScrollBlocker.resultVisible = true;
+    if (!this.resultVisible) {
+      resultWrapper.classList.remove(UNLOADED);
+      content.forEach((el) => {
+        el.classList.add(UNLOADED);
+      });
+      this.resultVisible = true;
     }
   }
 
   static off() {
-    if (ScrollBlocker.resultVisible) {
-      $results.empty();
-      if ($hints.hasClass(C_UNLOADED)) {
-        $hints.removeClass(C_UNLOADED);
+    if (this.resultVisible) {
+      results.innerHTML = '';
+
+      if (hints.classList.contains(UNLOADED)) {
+        hints.classList.remove(UNLOADED);
       }
-      $resultWrapper.addClass(C_UNLOADED);
-      $content.removeClass(C_UNLOADED);
 
-      // now the release method must be called after $(#main-wrapper>.container) display
-      ScrollBlocker.off();
-
-      $input.val('');
-      ScrollBlocker.resultVisible = false;
+      resultWrapper.classList.add(UNLOADED);
+      content.forEach((el) => {
+        el.classList.remove(UNLOADED);
+      });
+      input.textContent = '';
+      this.resultVisible = false;
     }
   }
 }
 
 function isMobileView() {
-  return $btnCancel.hasClass(C_LOADED);
+  return btnCancel.classList.contains(LOADED);
 }
 
 export function displaySearch() {
-  $btnSearchTrigger.on('click', function () {
+  btnSearchTrigger.addEventListener('click', () => {
     MobileSearchBar.on();
     ResultSwitch.on();
-    $input.trigger('focus');
+    input.focus();
   });
 
-  $btnCancel.on('click', function () {
+  btnCancel.addEventListener('click', () => {
     MobileSearchBar.off();
     ResultSwitch.off();
   });
 
-  $input.on('focus', function () {
-    $search.addClass(C_FOCUS);
+  input.addEventListener('focus', () => {
+    search.classList.add(FOCUS);
   });
 
-  $input.on('focusout', function () {
-    $search.removeClass(C_FOCUS);
+  input.addEventListener('focusout', () => {
+    search.classList.remove(FOCUS);
   });
 
-  $input.on('input', () => {
-    if ($input.val() === '') {
+  input.addEventListener('input', () => {
+    if (input.value === '') {
       if (isMobileView()) {
-        $hints.removeClass(C_UNLOADED);
+        hints.classList.remove(UNLOADED);
       } else {
         ResultSwitch.off();
       }
     } else {
       ResultSwitch.on();
       if (isMobileView()) {
-        $hints.addClass(C_UNLOADED);
+        hints.classList.add(UNLOADED);
       }
     }
   });

_javascript/modules/components/sidebar.js

@@ -2,7 +2,6 @@
  * Expand or close the sidebar in mobile screens.
  */
 
-const $body = $('body');
 const ATTR_DISPLAY = 'sidebar-display';
 
 class SidebarUtil {
@@ -10,9 +9,9 @@ class SidebarUtil {
 
   static toggle() {
     if (SidebarUtil.isExpanded === false) {
-      $body.attr(ATTR_DISPLAY, '');
+      document.body.setAttribute(ATTR_DISPLAY, '');
     } else {
-      $body.removeAttr(ATTR_DISPLAY);
+      document.body.removeAttribute(ATTR_DISPLAY);
     }
 
     SidebarUtil.isExpanded = !SidebarUtil.isExpanded;
@@ -20,6 +19,9 @@ class SidebarUtil {
 }
 
 export function sidebarExpand() {
-  $('#sidebar-trigger').on('click', SidebarUtil.toggle);
-  $('#mask').on('click', SidebarUtil.toggle);
+  document
+    .getElementById('sidebar-trigger')
+    .addEventListener('click', SidebarUtil.toggle);
+
+  document.getElementById('mask').addEventListener('click', SidebarUtil.toggle);
 }

_javascript/modules/components/toc.js

@@ -9,5 +9,7 @@ export function toc() {
       orderedList: false,
       scrollSmooth: false
     });
+
+    document.getElementById('toc-wrapper').classList.remove('d-none');
   }
 }

_javascript/modules/components/tooltip-loader.js

@@ -1,12 +1,11 @@
-/**
- * Initial Bootstrap Tooltip.
- */
+import Tooltip from 'bootstrap/js/src/tooltip';
+
 export function loadTooptip() {
   const tooltipTriggerList = document.querySelectorAll(
     '[data-bs-toggle="tooltip"]'
   );
 
   [...tooltipTriggerList].map(
-    (tooltipTriggerEl) => new bootstrap.Tooltip(tooltipTriggerEl)
+    (tooltipTriggerEl) => new Tooltip(tooltipTriggerEl)
   );
 }

_javascript/page.js

@@ -1,9 +1,9 @@
 import { basic, initSidebar, initTopbar } from './modules/layouts';
 import { loadImg, imgPopup, initClipboard } from './modules/plugins';
 
-basic();
-initSidebar();
-initTopbar();
 loadImg();
 imgPopup();
+initSidebar();
+initTopbar();
 initClipboard();
+basic();

_javascript/post.js

@@ -7,11 +7,11 @@ import {
   toc
 } from './modules/plugins';
 
-initSidebar();
-initTopbar();
 loadImg();
+toc();
 imgPopup();
+initSidebar();
 initLocaleDatetime();
 initClipboard();
-toc();
+initTopbar();
 basic();

_javascript/pwa/_frontmatter

@@ -0,0 +1,3 @@
+---
+permalink: /:basename
+---

_javascript/pwa/app.js

@@ -1,43 +1,40 @@
----
-layout: compress
-permalink: /assets/js/dist/:basename.min.js
----
+import { pwa, baseurl } from '../../_config.yml';
+import Toast from 'bootstrap/js/src/toast';
 
 if ('serviceWorker' in navigator) {
-  const isEnabled = '{{ site.pwa.enabled }}' === 'true';
-
-  if (isEnabled) {
-    const swUrl = '{{ '/sw.min.js' | relative_url }}';
-    const $notification = $('#notification');
-    const $btnRefresh = $('#notification .toast-body>button');
+  if (pwa.enabled) {
+    const swUrl = `${baseurl}/sw.min.js`;
+    const notification = document.getElementById('notification');
+    const btnRefresh = notification.querySelector('.toast-body>button');
+    const popupWindow = Toast.getOrCreateInstance(notification);
 
     navigator.serviceWorker.register(swUrl).then((registration) => {
-      {% comment %}In case the user ignores the notification{% endcomment %}
+      // In case the user ignores the notification
       if (registration.waiting) {
-        $notification.toast('show');
+        popupWindow.show();
       }
 
       registration.addEventListener('updatefound', () => {
         registration.installing.addEventListener('statechange', () => {
           if (registration.waiting) {
             if (navigator.serviceWorker.controller) {
-              $notification.toast('show');
+              popupWindow.show();
             }
           }
         });
       });
 
-      $btnRefresh.on('click', () => {
+      btnRefresh.addEventListener('click', () => {
         if (registration.waiting) {
           registration.waiting.postMessage('SKIP_WAITING');
         }
-        $notification.toast('hide');
+        popupWindow.hide();
       });
     });
 
     let refreshing = false;
 
-    {% comment %}Detect controller change and refresh all the opened tabs{% endcomment %}
+    // Detect controller change and refresh all the opened tabs
     navigator.serviceWorker.addEventListener('controllerchange', () => {
       if (!refreshing) {
         window.location.reload();

_javascript/pwa/sw.js

@@ -1,29 +1,10 @@
----
-layout: compress
-permalink: /:basename.min.js
-# PWA service worker
----
+import { baseurl } from '../../_config.yml';
 
-const swconfUrl = '{{ '/assets/js/data/swconf.js' | relative_url }}';
+importScripts(`${baseurl}/assets/js/data/swconf.js`);
 
-importScripts(swconfUrl);
 const purge = swconf.purge;
 
-function verifyHost(url) {
-  for (const host of swconf.allowHosts) {
-    const regex = RegExp(`^http(s)?://${host}/`);
-    if (regex.test(url)) {
-      return true;
-    }
-  }
-  return false;
-}
-
 function verifyUrl(url) {
-  if (!verifyHost(url)) {
-    return false;
-  }
-
   const requestPath = new URL(url).pathname;
 
   for (const path of swconf.denyPaths) {
@@ -34,10 +15,6 @@ function verifyUrl(url) {
   return true;
 }
 
-if (!purge) {
-  swconf.allowHosts.push(location.host);
-}
-
 self.addEventListener('install', (event) => {
   if (purge) {
     return;
@@ -75,6 +52,10 @@ self.addEventListener('message', (event) => {
 });
 
 self.addEventListener('fetch', (event) => {
+  if (event.request.headers.has('range')) {
+    return;
+  }
+
   event.respondWith(
     caches.match(event.request).then((response) => {
       if (response) {
@@ -88,7 +69,7 @@ self.addEventListener('fetch', (event) => {
           return response;
         }
 
-        {% comment %}See: <https://developers.google.com/web/fundamentals/primers/service-workers#cache_and_return_requests>{% endcomment %}
+        // See: <https://developers.google.com/web/fundamentals/primers/service-workers#cache_and_return_requests>
         let responseToCache = response.clone();
 
         caches.open(swconf.cacheName).then((cache) => {

_layouts/compress.html

@@ -1,10 +1,10 @@
 ---
 # Jekyll layout that compresses HTML
-# v3.1.0
+# v3.2.0
 # http://jch.penibelst.de/
 # © 2014–2015 Anatol Broder
 # MIT License
 ---
 
 {% capture _LINE_FEED %}
-{% endcapture %}{% if site.compress_html.ignore.envs contains jekyll.environment or site.compress_html.ignore.envs == "all" %}{{ content }}{% else %}{% capture _content %}{{ content }}{% endcapture %}{% assign _profile = site.compress_html.profile %}{% if site.compress_html.endings == "all" %}{% assign _endings = "html head body li dt dd optgroup option colgroup caption thead tbody tfoot tr td th" | split: " " %}{% else %}{% assign _endings = site.compress_html.endings %}{% endif %}{% for _element in _endings %}{% capture _end %}</{{ _element }}>{% endcapture %}{% assign _content = _content | remove: _end %}{% endfor %}{% if _profile and _endings %}{% assign _profile_endings = _content | size | plus: 1 %}{% endif %}{% for _element in site.compress_html.startings %}{% capture _start %}<{{ _element }}>{% endcapture %}{% assign _content = _content | remove: _start %}{% endfor %}{% if _profile and site.compress_html.startings %}{% assign _profile_startings = _content | size | plus: 1 %}{% endif %}{% if site.compress_html.comments == "all" %}{% assign _comments = "<!-- -->" | split: " " %}{% else %}{% assign _comments = site.compress_html.comments %}{% endif %}{% if _comments.size == 2 %}{% capture _comment_befores %}.{{ _content }}{% endcapture %}{% assign _comment_befores = _comment_befores | split: _comments.first %}{% for _comment_before in _comment_befores %}{% if forloop.first %}{% continue %}{% endif %}{% capture _comment_outside %}{% if _carry %}{{ _comments.first }}{% endif %}{{ _comment_before }}{% endcapture %}{% capture _comment %}{% unless _carry %}{{ _comments.first }}{% endunless %}{{ _comment_outside | split: _comments.last | first }}{% if _comment_outside contains _comments.last %}{{ _comments.last }}{% assign _carry = false %}{% else %}{% assign _carry = true %}{% endif %}{% endcapture %}{% assign _content = _content | remove_first: _comment %}{% endfor %}{% if _profile %}{% assign _profile_comments = _content | size | plus: 1 %}{% endif %}{% endif %}{% assign _pre_befores = _content | split: "<pre" %}{% assign _content = "" %}{% for _pre_before in _pre_befores %}{% assign _pres = _pre_before | split: "</pre>" %}{% assign _pres_after = "" %}{% if _pres.size != 0 %}{% if site.compress_html.blanklines %}{% assign _lines = _pres.last | split: _LINE_FEED %}{% capture _pres_after %}{% for _line in _lines %}{% assign _trimmed = _line | split: " " | join: " " %}{% if _trimmed != empty or forloop.last %}{% unless forloop.first %}{{ _LINE_FEED }}{% endunless %}{{ _line }}{% endif %}{% endfor %}{% endcapture %}{% else %}{% assign _pres_after = _pres.last | split: " " | join: " " %}{% endif %}{% endif %}{% capture _content %}{{ _content }}{% if _pre_before contains "</pre>" %}<pre{{ _pres.first }}</pre>{% endif %}{% unless _pre_before contains "</pre>" and _pres.size == 1 %}{{ _pres_after }}{% endunless %}{% endcapture %}{% endfor %}{% if _profile %}{% assign _profile_collapse = _content | size | plus: 1 %}{% endif %}{% if site.compress_html.clippings == "all" %}{% assign _clippings = "html head title base link meta style body article section nav aside h1 h2 h3 h4 h5 h6 hgroup header footer address p hr blockquote ol ul li dl dt dd figure figcaption main div table caption colgroup col tbody thead tfoot tr td th" | split: " " %}{% else %}{% assign _clippings = site.compress_html.clippings %}{% endif %}{% for _element in _clippings %}{% assign _edges = " <e;<e; </e>;</e>;</e> ;</e>" | replace: "e", _element | split: ";" %}{% assign _content = _content | replace: _edges[0], _edges[1] | replace: _edges[2], _edges[3] | replace: _edges[4], _edges[5] %}{% endfor %}{% if _profile and _clippings %}{% assign _profile_clippings = _content | size | plus: 1 %}{% endif %}{{ _content }}{% if _profile %} <table id="compress_html_profile_{{ site.time | date: "%Y%m%d" }}" class="compress_html_profile"> <thead> <tr> <td>Step <td>Bytes <tbody> <tr> <td>raw <td>{{ content | size }}{% if _profile_endings %} <tr> <td>endings <td>{{ _profile_endings }}{% endif %}{% if _profile_startings %} <tr> <td>startings <td>{{ _profile_startings }}{% endif %}{% if _profile_comments %} <tr> <td>comments <td>{{ _profile_comments }}{% endif %}{% if _profile_collapse %} <tr> <td>collapse <td>{{ _profile_collapse }}{% endif %}{% if _profile_clippings %} <tr> <td>clippings <td>{{ _profile_clippings }}{% endif %} </table>{% endif %}{% endif %}
+{% endcapture %}{% if site.compress_html.ignore.envs contains jekyll.environment or site.compress_html.ignore.envs == "all" or page.compress_html == false %}{{ content }}{% else %}{% capture _content %}{{ content }}{% endcapture %}{% assign _profile = site.compress_html.profile %}{% if site.compress_html.endings == "all" %}{% assign _endings = "html head body li dt dd optgroup option colgroup caption thead tbody tfoot tr td th" | split: " " %}{% else %}{% assign _endings = site.compress_html.endings %}{% endif %}{% for _element in _endings %}{% capture _end %}</{{ _element }}>{% endcapture %}{% assign _content = _content | remove: _end %}{% endfor %}{% if _profile and _endings %}{% assign _profile_endings = _content | size | plus: 1 %}{% endif %}{% for _element in site.compress_html.startings %}{% capture _start %}<{{ _element }}>{% endcapture %}{% assign _content = _content | remove: _start %}{% endfor %}{% if _profile and site.compress_html.startings %}{% assign _profile_startings = _content | size | plus: 1 %}{% endif %}{% if site.compress_html.comments == "all" %}{% assign _comments = "<!-- -->" | split: " " %}{% else %}{% assign _comments = site.compress_html.comments %}{% endif %}{% if _comments.size == 2 %}{% capture _comment_befores %}.{{ _content }}{% endcapture %}{% assign _comment_befores = _comment_befores | split: _comments.first %}{% for _comment_before in _comment_befores %}{% if forloop.first %}{% continue %}{% endif %}{% capture _comment_outside %}{% if _carry %}{{ _comments.first }}{% endif %}{{ _comment_before }}{% endcapture %}{% capture _comment %}{% unless _carry %}{{ _comments.first }}{% endunless %}{{ _comment_outside | split: _comments.last | first }}{% if _comment_outside contains _comments.last %}{{ _comments.last }}{% assign _carry = false %}{% else %}{% assign _carry = true %}{% endif %}{% endcapture %}{% assign _content = _content | remove_first: _comment %}{% endfor %}{% if _profile %}{% assign _profile_comments = _content | size | plus: 1 %}{% endif %}{% endif %}{% assign _pre_befores = _content | split: "<pre" %}{% assign _content = "" %}{% for _pre_before in _pre_befores %}{% assign _pres = _pre_before | split: "</pre>" %}{% assign _pres_after = "" %}{% if _pres.size != 0 %}{% if site.compress_html.blanklines %}{% assign _lines = _pres.last | split: _LINE_FEED %}{% capture _pres_after %}{% for _line in _lines %}{% assign _trimmed = _line | split: " " | join: " " %}{% if _trimmed != empty or forloop.last %}{% unless forloop.first %}{{ _LINE_FEED }}{% endunless %}{{ _line }}{% endif %}{% endfor %}{% endcapture %}{% else %}{% assign _pres_after = _pres.last | split: " " | join: " " %}{% endif %}{% endif %}{% capture _content %}{{ _content }}{% if _pre_before contains "</pre>" %}<pre{{ _pres.first }}</pre>{% endif %}{% unless _pre_before contains "</pre>" and _pres.size == 1 %}{{ _pres_after }}{% endunless %}{% endcapture %}{% endfor %}{% if _profile %}{% assign _profile_collapse = _content | size | plus: 1 %}{% endif %}{% if site.compress_html.clippings == "all" %}{% assign _clippings = "html head title base link meta style body article section nav aside h1 h2 h3 h4 h5 h6 hgroup header footer address p hr blockquote ol ul li dl dt dd figure figcaption main div table caption colgroup col tbody thead tfoot tr td th" | split: " " %}{% else %}{% assign _clippings = site.compress_html.clippings %}{% endif %}{% for _element in _clippings %}{% assign _edges = " <e;<e; </e>;</e>;</e> ;</e>" | replace: "e", _element | split: ";" %}{% assign _content = _content | replace: _edges[0], _edges[1] | replace: _edges[2], _edges[3] | replace: _edges[4], _edges[5] %}{% endfor %}{% if _profile and _clippings %}{% assign _profile_clippings = _content | size | plus: 1 %}{% endif %}{{ _content }}{% if _profile %} <table id="compress_html_profile_{{ site.time | date: "%Y%m%d" }}" class="compress_html_profile"> <thead> <tr> <td>Step <td>Bytes <tbody> <tr> <td>raw <td>{{ content | size }}{% if _profile_endings %} <tr> <td>endings <td>{{ _profile_endings }}{% endif %}{% if _profile_startings %} <tr> <td>startings <td>{{ _profile_startings }}{% endif %}{% if _profile_comments %} <tr> <td>comments <td>{{ _profile_comments }}{% endif %}{% if _profile_collapse %} <tr> <td>collapse <td>{{ _profile_collapse }}{% endif %}{% if _profile_clippings %} <tr> <td>clippings <td>{{ _profile_clippings }}{% endif %} </table>{% endif %}{% endif %}

_layouts/default.html

@@ -13,7 +13,7 @@ layout: compress
 {% endif %}
 
 <!-- `site.alt_lang` can specify a language different from the UI -->
-<html lang="{{ site.alt_lang | default: site.lang }}" {{ prefer_mode }}>
+<html lang="{{ page.lang | default: site.alt_lang | default: site.lang }}" {{ prefer_mode }}>
   {% include head.html %}
 
   <body>
@@ -75,13 +75,8 @@ layout: compress
     {% endif %}
 
     <!-- JavaScripts -->
+    {% include js-selector.html lang=lang %}
 
-    {% include js-selector.html %}
-
-    {% if page.mermaid %}
-      {% include mermaid.html %}
-    {% endif %}
-
-    {% include_cached search-loader.html %}
+    {% include_cached search-loader.html lang=lang %}
   </body>
 </html>

_layouts/home.html

@@ -49,7 +49,7 @@ refactor: true
         {% if post.image %}
           {% assign src = post.image.path | default: post.image %}
           {% unless src contains '//' %}
-            {% assign src = post.img_path | append: '/' | append: src | replace: '//', '/' %}
+            {% assign src = post.media_subpath | append: '/' | append: src | replace: '//', '/' %}
           {% endunless %}
 
           {% assign alt = post.image.alt | xml_escape | default: 'Preview Image' %}
@@ -72,10 +72,7 @@ refactor: true
             <h1 class="card-title my-2 mt-md-0">{{ post.title }}</h1>
 
             <div class="card-text content mt-0 mb-3">
-              <p>
-                {% include no-linenos.html content=post.content %}
-                {{ content | markdownify | strip_html | truncate: 200 | escape }}
-              </p>
+              <p>{% include post-description.html %}</p>
             </div>
 
             <div class="post-meta flex-grow-1 d-flex align-items-end">

_layouts/post.html

@@ -14,6 +14,9 @@ tail_includes:
 <article class="px-1">
   <header>
     <h1 data-toc-skip>{{ page.title }}</h1>
+    {% if page.description %}
+      <p class="post-desc fw-light mb-4">{{ page.description }}</p>
+    {% endif %}
 
     <div class="post-meta text-muted">
       <!-- published date -->
@@ -74,12 +77,22 @@ tail_includes:
           </em>
         </span>
 
+        <div>
+          <!-- pageviews -->
+          {% if site.pageviews.provider and site.analytics[site.pageviews.provider].id %}
+            <span>
+              <em id="pageviews">
+                <i class="fas fa-spinner fa-spin small"></i>
+              </em>
+              {{ site.data.locales[lang].post.pageview_measure }}
+            </span>
+          {% endif %}
+
           <!-- read time -->
           {% include read-time.html content=content prompt=true lang=lang %}
         </div>
-      <!-- .d-flex -->
       </div>
-    <!-- .post-meta -->
+    </div>
   </header>
 
   <div class="content">

_posts/2019-08-08-text-and-typography.md

@@ -1,5 +1,6 @@
 ---
 title: Text and Typography
+description: Examples of text, typography, math equations, diagrams, flowcharts, pictures, videos, and more.
 author: cotes
 date: 2019-08-08 11:33:00 +0800
 categories: [Blogging, Demo]
@@ -13,10 +14,10 @@ image:
   alt: Responsive rendering of Chirpy theme on multiple devices.
 ---
 
-This post is to show Markdown syntax rendering on [**Chirpy**](https://github.com/cotes2020/jekyll-theme-chirpy/fork), you can also use it as an example of writing. Now, let's start looking at text and typography.
-
 ## Headings
 
+<!-- markdownlint-capture -->
+<!-- markdownlint-disable -->
 # H1 - heading
 {: .mt-4 .mb-0 }
 
@@ -28,6 +29,7 @@ This post is to show Markdown syntax rendering on [**Chirpy**](https://github.co
 
 #### H4 - heading
 {: data-toc-skip='' .mt-4 }
+<!-- markdownlint-restore -->
 
 ## Paragraph
 
@@ -44,15 +46,15 @@ Quisque egestas convallis ipsum, ut sollicitudin risus tincidunt a. Maecenas int
 ### Unordered list
 
 - Chapter
-  + Section
-    * Paragraph
+  - Section
+    - Paragraph
 
 ### ToDo list
 
 - [ ] Job
-  + [x] Step 1
-  + [x] Step 2
-  + [ ] Step 3
+  - [x] Step 1
+  - [x] Step 2
+  - [ ] Step 3
 
 ### Description list
 
@@ -68,6 +70,8 @@ Moon
 
 ## Prompts
 
+<!-- markdownlint-capture -->
+<!-- markdownlint-disable -->
 > An example showing the `tip` type prompt.
 {: .prompt-tip }
 
@@ -79,11 +83,12 @@ Moon
 
 > An example showing the `danger` type prompt.
 {: .prompt-danger }
+<!-- markdownlint-restore -->
 
 ## Tables
 
 | Company                      | Contact          | Country |
-|:-----------------------------|:-----------------|--------:|
+| :--------------------------- | :--------------- | ------: |
 | Alfreds Futterkiste          | Maria Anders     | Germany |
 | Island Trading               | Helen Bennett    |      UK |
 | Magazzini Alimentari Riuniti | Giovanni Rovelli |   Italy |
@@ -108,7 +113,7 @@ Here is the `/path/to/the/file.extend`{: .filepath}.
 
 ### Common
 
-```
+```text
 This is a common code snippet, without syntax highlight and line number.
 ```
 

_posts/2019-08-08-write-a-new-post.md

@@ -58,7 +58,6 @@ Adding author information in `_data/authors.yml` (If your website doesn't have t
 ```
 {: file="_data/authors.yml" }
 
-
 And then use `author` to specify a single entry or `authors` to specify multiple entries:
 
 ```yaml
@@ -74,6 +73,18 @@ Having said that, the key `author` can also identify multiple entries.
 > The benefit of reading the author information from the file `_data/authors.yml`{: .filepath } is that the page will have the meta tag `twitter:creator`, which enriches the [Twitter Cards](https://developer.twitter.com/en/docs/twitter-for-websites/cards/guides/getting-started#card-and-content-attribution) and is good for SEO.
 {: .prompt-info }
 
+### Post Description
+
+By default, the first words of the post are used to display on the home page for a list of posts, in the _Further Reading_ section, and in the XML of the RSS feed. If you don't want to display the auto-generated description for the post, you can customize it using the `description` field in the _Front Matter_ as follows:
+
+```yaml
+---
+description: Short summary of the post.
+---
+```
+
+Additionally, the `description` text will also be displayed under the post title on the post's page.
+
 ## Table of Contents
 
 By default, the **T**able **o**f **C**ontents (TOC) is displayed on the right panel of the post. If you want to turn it off globally, go to `_config.yml`{: .filepath} and set the value of variable `toc` to `false`. If you want to turn off TOC for a specific post, add the following to the post's [Front Matter](https://jekyllrb.com/docs/front-matter/):
@@ -98,7 +109,9 @@ comments: false
 
 ## Mathematics
 
-For website performance reasons, the mathematical feature won't be loaded by default. But it can be enabled by:
+We use [**MathJax**][mathjax] to generate mathematics. For website performance reasons, the mathematical feature won't be loaded by default. But it can be enabled by:
+
+[mathjax]: https://www.mathjax.org/
 
 ```yaml
 ---
@@ -143,6 +156,12 @@ Can be referenced as \eqref{eq:label_name}.
 3. \$$ LaTeX_math_expression $$
 ```
 
+> Starting with `v7.0.0`, configuration options for **MathJax** have been moved to file `assets/js/data/mathjax.js`{: .filepath }, and you can change the options as needed, such as adding [extensions][mathjax-exts].  
+> If you are building the site via `chirpy-starter`, copy that file from the gem installation directory (check with command `bundle info --path jekyll-theme-chirpy`) to the same directory in your repository.
+{: .prompt-tip }
+
+[mathjax-exts]: https://docs.mathjax.org/en/latest/input/tex/extensions/index.html
+
 ## Mermaid
 
 [**Mermaid**](https://github.com/mermaid-js/mermaid) is a great diagram generation tool. To enable it on your post, add the following to the YAML block:
@@ -236,14 +255,14 @@ The screenshots of the program window can be considered to show the shadow effec
 
 ### CDN URL
 
-If you host the images on the CDN, you can save the time of repeatedly writing the CDN URL by assigning the variable `img_cdn` of `_config.yml`{: .filepath} file:
+If you host the media resources on the CDN, you can save the time of repeatedly writing the CDN URL by assigning the variable `cdn` of `_config.yml`{: .filepath} file:
 
 ```yaml
-img_cdn: https://cdn.com
+cdn: https://cdn.com
 ```
 {: file='_config.yml' .nolineno}
 
-Once `img_cdn` is assigned, the CDN URL will be added to the path of all images (images of site avatar and posts) starting with `/`.
+Once `cdn` is assigned, the CDN URL will be added to the path of all media resources (site avatar, posts' images, audio and video files) starting with `/`.
 
 For instance, when using images:
 
@@ -259,13 +278,13 @@ The parsing result will automatically add the CDN prefix `https://cdn.com` befor
 ```
 {: .nolineno }
 
-### Image Path
+### Media Subpath
 
-When a post contains many images, it will be a time-consuming task to repeatedly define the path of the images. To solve this, we can define this path in the YAML block of the post:
+When a post contains many images, it will be a time-consuming task to repeatedly define the path of the media resources. To solve this, we can define this path in the YAML block of the post:
 
 ```yml
 ---
-img_path: /img/path/
+media_subpath: /img/path/
 ---
 ```
 
@@ -297,7 +316,7 @@ image:
 ---
 ```
 
-Note that the [`img_path`](#image-path) can also be passed to the preview image, that is, when it has been set, the attribute `path` only needs the image file name.
+Note that the [`media_subpath`](#media-subpath) can also be passed to the preview image, that is, when it has been set, the attribute `path` only needs the image file name.
 
 For simple use, you can also just use `image` to define the path.
 
@@ -318,8 +337,7 @@ image:
 ---
 ```
 
-> You can observe LQIP in the preview image of post [_Text and Typography_](/posts/text-and-typography/).
-
+> You can observe LQIP in the preview image of post \"[Text and Typography](../text-and-typography/)\".
 
 For normal images:
 
@@ -427,6 +445,8 @@ Or adding `render_with_liquid: false` (Requires Jekyll 4.0 or higher) to the pos
 
 ## Videos
 
+### Video Sharing Platform
+
 You can embed a video with the following syntax:
 
 ```liquid
@@ -443,6 +463,76 @@ The following table shows how to get the two parameters we need in a given video
 | [https://www.**twitch**.tv/videos/**1634779211**](https://www.twitch.tv/videos/1634779211)         | `twitch`   | `1634779211`   |
 | [https://www.**bilibili**.com/video/**BV1Q44y1B7Wf**](https://www.bilibili.com/video/BV1Q44y1B7Wf) | `bilibili` | `BV1Q44y1B7Wf` |
 
+### Video File
+
+If you want to embed a video file directly, use the following syntax:
+
+```liquid
+{% include embed/video.html src='{URL}' %}
+```
+
+Where `URL` is an URL to a video file e.g. `/assets/img/sample/video.mp4`.
+
+You can also specify additional attributes for the embedded video file. Here is a full list of attributes allowed.
+
+- `poster='/path/to/poster.png'` - poster image for a video that is shown while video is downloading
+- `title='Text'` - title for a video that appears below the video and looks same as for images
+- `autoplay=true` - video automatically begins to play back as soon as it can
+- `loop=true` - automatically seek back to the start upon reaching the end of the video
+- `muted=true` - audio will be initially silenced
+- `types` - specify the extensions of additional video formats separated by `|`. Ensure these files exist in the same directory as your primary video file.
+
+Consider an example utilizing all of the above:
+
+```liquid
+{%
+  include embed/video.html
+  src='/path/to/video/video.mp4'
+  types='ogg|mov'
+  poster='poster.png'
+  title='Demo video'
+  autoplay=true
+  loop=true
+  muted=true
+%}
+```
+
+> It's not recommended to host video files in `assets` folder as they cannot be cached by PWA and may cause issues.
+> Instead, use CDN to host video files. Alternatively, use a separate folder that is excluded from PWA (see `pwa.deny_paths` setting in `_config.yml`).
+{: .prompt-warning }
+
+## Audios
+
+### Audio File
+
+If you want to embed an audio file directly, use the following syntax:
+
+```liquid
+{% include embed/audio.html src='{URL}' %}
+```
+
+Where `URL` is an URL to an audio file e.g. `/assets/img/sample/audio.mp3`.
+
+You can also specify additional attributes for the embedded audio file. Here is a full list of attributes allowed.
+
+- `title='Text'` - title for an audio that appears below the audio and looks same as for images
+- `types` - specify the extensions of additional audio formats separated by `|`. Ensure these files exist in the same directory as your primary audio file.
+
+Consider an example utilizing all of the above:
+
+```liquid
+{%
+  include embed/audio.html
+  src='/path/to/audio/audio.mp3'
+  types='ogg|wav|aac'
+  title='Demo audio'
+%}
+```
+
+> It's not recommended to host audio files in `assets` folder as they cannot be cached by PWA and may cause issues.
+> Instead, use CDN to host audio files. Alternatively, use a separate folder that is excluded from PWA (see `pwa.deny_paths` setting in `_config.yml`).
+{: .prompt-warning }
+
 ## Learn More
 
 For more knowledge about Jekyll posts, visit the [Jekyll Docs: Posts](https://jekyllrb.com/docs/posts/).

_posts/2019-08-09-getting-started.md

@@ -1,11 +1,14 @@
 ---
 title: Getting Started
+description: >-
+  Get started with Chirpy basics in this comprehensive overview.
+  You will learn how to install, configure, and use your first Chirpy-based website, as well as deploy it to a web server.
 author: cotes
 date: 2019-08-09 20:55:00 +0800
 categories: [Blogging, Tutorial]
 tags: [getting started]
 pin: true
-img_path: '/posts/20180809'
+media_subpath: '/posts/20180809'
 ---
 
 ## Prerequisites
@@ -18,8 +21,8 @@ Follow the instructions in the [Jekyll Docs](https://jekyllrb.com/docs/installat
 
 There are two ways to create a new repository for this theme:
 
-- [**Using the Chirpy Starter**](#option-1-using-the-chirpy-starter) - Easy to upgrade, isolates irrelevant project files so you can focus on writing.
-- [**GitHub Fork**](#option-2-github-fork) - Convenient for custom development, but difficult to upgrade. Unless you are familiar with Jekyll and are determined to tweak or contribute to this project, this approach is not recommended.
+- [**Using the Chirpy Starter**](#option-1-using-the-chirpy-starter) — Easy to upgrade, isolates irrelevant project files so you can focus on writing.
+- [**GitHub Fork**](#option-2-github-fork) — Convenient for custom development, but difficult to upgrade. Unless you are familiar with Jekyll and are determined to tweak or contribute to this project, this approach is not recommended.
 
 #### Option 1. Using the Chirpy Starter
 
@@ -29,7 +32,7 @@ Sign in to GitHub and browse to [**Chirpy Starter**][starter], click the button
 
 Sign in to GitHub to [fork **Chirpy**](https://github.com/cotes2020/jekyll-theme-chirpy/fork), and then rename it to `USERNAME.github.io` (`USERNAME` means your username).
 
-Next, clone your site to local machine. In order to build JavaScript files later, we need to install [Node.js][nodejs], and then run the tool:
+Next, clone the repository to your local machine, make sure it has [Node.js][nodejs] installed, then go to the root directory of the repo and run the following command:
 
 ```console
 $ bash tools/init
@@ -42,7 +45,7 @@ The above command will:
 
 1. Check out the code to the [latest tag][latest-tag] (to ensure the stability of your site: as the code for the default branch is under development).
 2. Remove non-essential sample files and take care of GitHub-related files.
-3. Build JavaScript files and export to `assets/js/dist/`{: .filepath }, then make them tracked by Git.
+3. Build CSS/JS assets files and then make them tracked by Git.
 4. Automatically create a new commit to save the changes above.
 
 ### Installing Dependencies

_posts/2019-08-11-customize-the-favicon.md

@@ -30,6 +30,7 @@ The following table will help you understand the changes to the favicon files:
 | `*.PNG`             | ✓                                 | ✗           |
 | `*.ICO`             | ✓                                 | ✗           |
 
+<!-- markdownlint-disable-next-line -->
 >  ✓ means keep, ✗ means delete.
 {: .prompt-info }
 

_sass/addon/commons.scss

@@ -129,6 +129,11 @@ kbd {
   box-shadow: inset 0 -2px 0 var(--kbd-wrap-color);
 }
 
+hr {
+  border-color: var(--main-border-color);
+  opacity: 1;
+}
+
 footer {
   background-color: var(--main-bg);
   height: $footer-height;
@@ -364,7 +369,6 @@ main {
 
   h1 {
     margin-top: 2rem;
-    margin-bottom: 1.5rem;
   }
 
   p {
@@ -550,17 +554,32 @@ main {
   width: 100%;
   height: 100%;
   margin-bottom: 1rem;
+  aspect-ratio: 16 / 9;
 
   @extend %rounded;
 
-  &.youtube,
-  &.bilibili {
-    aspect-ratio: 16 / 9;
-  }
-
   &.twitch {
     aspect-ratio: 310 / 189;
   }
+
+  &.file {
+    display: block;
+    width: auto;
+    height: auto;
+    max-width: 100%;
+    max-height: 100%;
+    margin: auto;
+    margin-bottom: 0;
+  }
+
+  @extend %img-caption;
+}
+
+.embed-audio {
+  width: 100%;
+  display: block;
+
+  @extend %img-caption;
 }
 
 /* --- buttons --- */
@@ -577,26 +596,6 @@ main {
 
 /* --- Effects classes --- */
 
-.loaded {
-  display: block !important;
-
-  @at-root .d-flex#{&} {
-    display: flex !important;
-  }
-}
-
-.unloaded {
-  display: none !important;
-}
-
-.visible {
-  visibility: visible !important;
-}
-
-.hidden {
-  visibility: hidden !important;
-}
-
 .flex-grow-1 {
   flex-grow: 1 !important;
 }
@@ -653,18 +652,6 @@ main {
 
 /* --- Overriding --- */
 
-/* magnific-popup */
-
-figure .mfp-title {
-  text-align: center;
-  padding-right: 0;
-  margin-top: 0.5rem;
-}
-
-.mfp-img {
-  transition: none;
-}
-
 /* mermaid */
 .mermaid {
   text-align: center;
@@ -836,7 +823,10 @@ $btn-mb: 0.5rem;
       display: flex;
       align-items: center;
       justify-content: center;
+
+      &:not(:focus-visible) {
         box-shadow: var(--sidebar-border-color) 0 0 0 1px;
+      }
 
       &:hover {
         background-color: var(--sidebar-hover-bg);
@@ -857,10 +847,7 @@ $btn-mb: 0.5rem;
       line-height: $btn-size;
     }
 
-    .mode-toggle {
-      padding: 0;
-      border: 0;
-
+    #mode-toggle {
       @extend %button;
       @extend %sidebar-links;
       @extend %sidebar-link-hover;
@@ -1139,7 +1126,8 @@ search {
 /* --- button back-to-top --- */
 
 #back-to-top {
-  display: none;
+  visibility: hidden;
+  opacity: 0;
   z-index: 1;
   cursor: pointer;
   position: fixed;
@@ -1152,8 +1140,7 @@ search {
   height: $back2top-size;
   border-radius: 50%;
   border: 1px solid var(--btn-backtotop-border-color);
-  transition: transform 0.2s ease-out;
-  -webkit-transition: transform 0.2s ease-out;
+  transition: opacity 0.5s ease-in-out, transform 0.2s ease-out;
 
   &:hover {
     transform: translate3d(0, -5px, 0);
@@ -1165,6 +1152,11 @@ search {
     position: relative;
     bottom: 2px;
   }
+
+  &.show {
+    opacity: 1;
+    visibility: visible;
+  }
 }
 
 #notification {

_sass/colors/typography-dark.scss

@@ -104,10 +104,6 @@
     display: none;
   }
 
-  hr {
-    border-color: var(--main-border-color);
-  }
-
   /* categories */
   .categories.card,
   .list-group-item {

_sass/layout/post.scss

@@ -14,8 +14,16 @@
   padding-right: $pr;
 }
 
-h1 + .post-meta {
-  > span + span::before {
+header {
+  .post-desc {
+    @extend %heading;
+
+    font-size: 1.125rem;
+    line-height: 1.6;
+  }
+
+  .post-meta {
+    span + span::before {
       @include dot;
     }
 
@@ -29,6 +37,11 @@ h1 + .post-meta {
         color: inherit;
       }
     }
+  }
+
+  h1 + .post-meta {
+    margin-top: 1.5rem;
+  }
 }
 
 .post-tail-wrapper {

_sass/main.bundle.scss

@@ -0,0 +1,2 @@
+@import 'dist/bootstrap';
+@import 'main';

assets/css/jekyll-theme-chirpy.scss

@@ -1,6 +1,10 @@
 ---
 ---
 
-@import 'main';
+@import 'main
+{%- if jekyll.environment == 'production' -%}
+  .bundle
+{%- endif -%}
+';
 
 /* append your custom style below */

assets/feed.xml

@@ -45,14 +45,7 @@ permalink: /feed.xml
     {% endfor %}
   {% endif %}
 
-  {% if post.summary %}
-    <summary>{{ post.summary | strip }}</summary>
-  {% else %}
-    <summary>
-      {% include no-linenos.html content=post.content %}
-      {{ content  | strip_html | truncate: 400 }}
-    </summary>
-  {% endif %}
+  <summary>{% include post-description.html max_length=400 %}</summary>
 
   </entry>
 {% endfor %}

assets/js/data/mathjax.js

@@ -0,0 +1,25 @@
+---
+layout: compress
+# WARNING: Don't use '//' to comment out code, use '{% comment %}' and '{% endcomment %}' instead.
+---
+
+{%- comment -%}
+  See: <https://docs.mathjax.org/en/latest/options/input/tex.html#tex-options>
+{%- endcomment -%}
+
+MathJax = {
+  tex: {
+    {%- comment -%} start/end delimiter pairs for in-line math {%- endcomment -%}
+    inlineMath: [
+      ['$', '$'],
+      ['\\(', '\\)']
+    ],
+    {%- comment -%} start/end delimiter pairs for display math {%- endcomment -%}
+    displayMath: [
+      ['$$', '$$'],
+      ['\\[', '\\]']
+    ],
+    {%- comment -%} equation numbering {%- endcomment -%}
+    tags: 'ams'
+  }
+};

assets/js/data/swconf.js

@@ -22,20 +22,6 @@ const swconf = {
       {% endfor %}
     ],
 
-    {%- comment -%} The request url with below domain will be cached. {%- endcomment -%}
-    allowHosts: [
-      {% if site.img_cdn and site.img_cdn contains '//' %}
-        '{{ site.img_cdn | split: '//' | last | split: '/' | first }}',
-      {% endif %}
-
-      {%- unless site.assets.self_host.enabled -%}
-       {% for cdn in site.data.origin["cors"].cdns %}
-          '{{ cdn.url | split: "//" | last }}'
-          {%- unless forloop.last -%},{%- endunless -%}
-        {% endfor %}
-      {% endunless %}
-    ],
-
     {%- comment -%} The request url with below path will not be cached. {%- endcomment -%}
     denyPaths: [
       {% for path in site.pwa.cache.deny_paths %}

assets/lib

@@ -1 +1 @@
-Subproject commit 7bc0d86b6af83d7acfc63db50f29a5975cec2513
+Subproject commit b9c58cf485a7dcbc833e698d67dd1850bdc93eb3

docs/CHANGELOG.md

@@ -1,7 +1,5 @@
 # Changelog
 
-All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
-
 ## [6.5.5](https://github.com/cotes2020/jekyll-theme-chirpy/compare/v6.5.4...v6.5.5) (2024-03-23)
 
 ### Bug Fixes
@@ -17,6 +15,8 @@ All notable changes to this project will be documented in this file. See [standa
 
 ## [6.5.3](https://github.com/cotes2020/jekyll-theme-chirpy/compare/v6.5.2...v6.5.3) (2024-03-07)
 
+### Changes
+
 * replace `polyfill.io` with `cdnjs` hosted link ([#1598](https://github.com/cotes2020/jekyll-theme-chirpy/pull/1598)) ([75a3d73](https://github.com/cotes2020/jekyll-theme-chirpy/commit/75a3d7399b257256a09d602cbe01062fe1cdf68d))
 
 ## [6.5.2](https://github.com/cotes2020/jekyll-theme-chirpy/compare/v6.5.1...v6.5.2) (2024-02-29)

docs/SECURITY.md

@@ -3,9 +3,9 @@
 ## Supported Versions
 
 | Version    | Supported |
-|:----------|:---------:|
-| `6.x`     |     ✓     |
-| < `6.0.0` |     ✗     |
+| :--------- | :-------: |
+| >= `7.0.0` |     ✓     |
+| <= `6.0.0` |     ✗     |
 
 ## Reporting a Vulnerability
 

package.json

@@ -13,27 +13,40 @@
   },
   "homepage": "https://github.com/cotes2020/jekyll-theme-chirpy/",
   "scripts": {
-    "prebuild": "npx rimraf assets/js/dist",
-    "build": "NODE_ENV=production npx rollup -c --bundleConfigAsCjs",
-    "prewatch": "npx rimraf assets/js/dist",
-    "watch": "npx rollup -c --bundleConfigAsCjs -w",
-    "test": "npx stylelint _sass/**/*.scss",
-    "fixlint": "npm run test -- --fix"
+    "build": "concurrently npm:build:*",
+    "build:css": "purgecss -c purgecss.config.js",
+    "build:js": "rollup -c --bundleConfigAsCjs --environment BUILD:production",
+    "watch:js": "rollup -c --bundleConfigAsCjs -w",
+    "lint:scss": "stylelint _sass/**/*.scss",
+    "lint:fix:scss": "npm run lint:scss -- --fix",
+    "test": "npm run lint:scss"
+  },
+  "dependencies": {
+    "@popperjs/core": "^2.11.8",
+    "bootstrap": "^5.3.3"
   },
   "devDependencies": {
-    "@babel/core": "^7.23.9",
-    "@babel/plugin-proposal-class-properties": "^7.18.6",
-    "@babel/preset-env": "^7.23.9",
-    "@commitlint/cli": "^18.6.1",
-    "@commitlint/config-conventional": "^18.6.2",
+    "@babel/core": "^7.24.5",
+    "@babel/plugin-transform-class-properties": "^7.24.1",
+    "@babel/preset-env": "^7.24.5",
+    "@commitlint/cli": "^19.3.0",
+    "@commitlint/config-conventional": "^19.2.2",
     "@rollup/plugin-babel": "^6.0.4",
+    "@rollup/plugin-node-resolve": "^15.2.3",
     "@rollup/plugin-terser": "^0.4.4",
+    "@rollup/plugin-yaml": "^4.1.2",
+    "@semantic-release/changelog": "^6.0.3",
+    "@semantic-release/exec": "^6.0.3",
+    "@semantic-release/git": "^10.0.1",
+    "concurrently": "^8.2.2",
+    "conventional-changelog-conventionalcommits": "^7.0.2",
     "husky": "^9.0.11",
-    "rimraf": "^5.0.5",
-    "rollup": "^4.10.0",
-    "rollup-plugin-license": "^3.2.0",
-    "stylelint": "^16.2.1",
-    "stylelint-config-standard-scss": "^13.0.0"
+    "purgecss": "^6.0.0",
+    "rollup": "^4.17.2",
+    "rollup-plugin-license": "^3.3.1",
+    "semantic-release": "^23.1.1",
+    "stylelint": "^16.5.0",
+    "stylelint-config-standard-scss": "^13.1.0"
   },
   "prettier": {
     "trailingComma": "none"
@@ -89,11 +102,22 @@
       "media-feature-range-notation": "prefix"
     }
   },
-  "standard-version": {
-    "skip": {
-      "commit": true,
-      "tag": true
-    },
+  "release": {
+    "branches": [
+      "production"
+    ],
+    "plugins": [
+      [
+        "@semantic-release/commit-analyzer",
+        {
+          "preset": "conventionalcommits"
+        }
+      ],
+      [
+        "@semantic-release/release-notes-generator",
+        {
+          "preset": "conventionalcommits",
+          "presetConfig": {
             "types": [
               {
                 "type": "feat",
@@ -106,7 +130,48 @@
               {
                 "type": "perf",
                 "section": "Improvements"
+              },
+              {
+                "type": "refactor",
+                "section": "Changes",
+                "hidden": true
               }
             ]
           }
+        }
+      ],
+      [
+        "@semantic-release/changelog",
+        {
+          "changelogFile": "docs/CHANGELOG.md",
+          "changelogTitle": "# Changelog"
+        }
+      ],
+      [
+        "@semantic-release/npm",
+        {
+          "npmPublish": false
+        }
+      ],
+      [
+        "@semantic-release/exec",
+        {
+          "prepareCmd": "bash tools/release --prepare",
+          "publishCmd": "bash tools/release"
+        }
+      ],
+      [
+        "@semantic-release/git",
+        {
+          "assets": [
+            "docs",
+            "package.json",
+            "*.gemspec"
+          ],
+          "message": "chore(release): ${nextRelease.version}\n\n${nextRelease.notes}"
+        }
+      ],
+      "@semantic-release/github"
+    ]
+  }
 }

purgecss.config.js

@@ -0,0 +1,23 @@
+const fs = require('fs');
+const DIST_PATH = '_sass/dist';
+
+fs.rm(DIST_PATH, { recursive: true, force: true }, (err) => {
+  if (err) {
+    throw err;
+  }
+
+  fs.mkdirSync(DIST_PATH);
+});
+
+module.exports = {
+  content: ['_includes/**/*.html', '_layouts/**/*.html', '_javascript/**/*.js'],
+  css: ['node_modules/bootstrap/dist/css/bootstrap.min.css'],
+  keyframes: true,
+  variables: true,
+  output: `${DIST_PATH}/bootstrap.css`,
+  // The `safelist` should be changed appropriately for future development
+  safelist: {
+    standard: [/^collaps/, /^w-/, 'shadow', 'border', 'kbd'],
+    greedy: [/^col-/, /tooltip/]
+  }
+};

rollup.config.js

@@ -1,37 +1,59 @@
 import babel from '@rollup/plugin-babel';
 import terser from '@rollup/plugin-terser';
 import license from 'rollup-plugin-license';
+import { nodeResolve } from '@rollup/plugin-node-resolve';
+import fs from 'fs';
 import path from 'path';
+import yaml from '@rollup/plugin-yaml';
 
 const SRC_DEFAULT = '_javascript';
 const DIST_DEFAULT = 'assets/js/dist';
-const isProd = process.env.NODE_ENV === 'production';
+const SRC_PWA = `${SRC_DEFAULT}/pwa`;
+
+const isProd = process.env.BUILD === 'production';
+
+if (fs.existsSync(DIST_DEFAULT)) {
+  fs.rm(DIST_DEFAULT, { recursive: true, force: true }, (err) => {
+    if (err) {
+      throw err;
+    }
+  });
+}
+
+function build(filename, opts = {}) {
+  const src = opts.src || SRC_DEFAULT;
+  const dist = opts.dist || DIST_DEFAULT;
+  const bannerUrl =
+    opts.bannerUrl || path.join(__dirname, SRC_DEFAULT, '_copyright');
+  const commentStyle = opts.commentStyle || 'ignored';
 
-function build(filename) {
   return {
-    input: [`${SRC_DEFAULT}/${filename}.js`],
+    input: [`${src}/${filename}.js`],
     output: {
-      file: `${DIST_DEFAULT}/${filename}.min.js`,
+      file: `${dist}/${filename}.min.js`,
       format: 'iife',
       name: 'Chirpy',
       sourcemap: !isProd
     },
     watch: {
-      include: `${SRC_DEFAULT}/**`
+      include: `${src}/**`
     },
     plugins: [
       babel({
         babelHelpers: 'bundled',
         presets: ['@babel/env'],
-        plugins: ['@babel/plugin-proposal-class-properties']
+        plugins: ['@babel/plugin-transform-class-properties']
       }),
+      nodeResolve(),
+      yaml(),
+      isProd && commentStyle === 'none' && terser(),
       license({
         banner: {
-          commentStyle: 'ignored',
-          content: { file: path.join(__dirname, SRC_DEFAULT, '_copyright') }
+          commentStyle,
+          content: { file: bannerUrl }
         }
       }),
-      isProd && terser()
+      isProd && commentStyle !== 'none' && terser()
     ]
   };
 }
@@ -42,5 +64,11 @@ export default [
   build('categories'),
   build('page'),
   build('post'),
-  build('misc')
+  build('misc'),
+  build('app', { src: SRC_PWA }),
+  build('sw', {
+    src: SRC_PWA,
+    bannerUrl: path.join(__dirname, SRC_PWA, '_frontmatter'),
+    commentStyle: 'none'
+  })
 ];

tools/init

@@ -9,6 +9,8 @@ CLI=("git" "npm")
 
 ACTIONS_WORKFLOW=pages-deploy.yml
 
+RELEASE_HASH=$(git log --grep="chore(release):" -1 --pretty="%H")
+
 # temporary file suffixes that make `sed -i` compatible with BSD and Linux
 TEMP_SUFFIX="to-delete"
 
@@ -28,7 +30,7 @@ help() {
 _sedi() {
   regex=$1
   file=$2
-  sed -i.$TEMP_SUFFIX "$regex" "$file"
+  sed -i.$TEMP_SUFFIX -E "$regex" "$file"
   rm -f "$file".$TEMP_SUFFIX
 }
 
@@ -50,22 +52,7 @@ _check_status() {
 }
 
 _check_init() {
-  local _has_inited=false
-
-  if [[ ! -d .github ]]; then # using option `--no-gh`
-    _has_inited=true
-  else
-    if [[ -f .github/workflows/$ACTIONS_WORKFLOW ]]; then
-      # on BSD, the `wc` could contains blank
-      local _count
-      _count=$(find .github/workflows/ -type f -name "*.yml" | wc -l)
-      if [[ ${_count//[[:blank:]]/} == 1 ]]; then
-        _has_inited=true
-      fi
-    fi
-  fi
-
-  if $_has_inited; then
+  if [[ $(git rev-parse HEAD^1) == "$RELEASE_HASH" ]]; then
     echo "Already initialized."
     exit 0
   fi
@@ -77,23 +64,25 @@ check_env() {
   _check_init
 }
 
-checkout_latest_release() {
-  hash=$(git log --grep="chore(release):" -1 --pretty="%H")
-  git reset --hard "$hash"
+reset_latest() {
+  git reset --hard "$RELEASE_HASH"
+  git clean -fd
+  git submodule update --init --recursive
 }
 
 init_files() {
   if $_no_gh; then
     rm -rf .github
   else
-    ## Change the files of `.github`
-    mv .github/workflows/$ACTIONS_WORKFLOW.hook .
-    rm -rf .github
-    mkdir -p .github/workflows
-    mv ./${ACTIONS_WORKFLOW}.hook .github/workflows/${ACTIONS_WORKFLOW}
+    ## Change the files of `.github/`
+    temp="$(mktemp -d)"
+    find .github/workflows -type f -name "*$ACTIONS_WORKFLOW*" -exec mv {} "$temp/$ACTIONS_WORKFLOW" \;
+    rm -rf .github && mkdir -p .github/workflows
+    mv "$temp/$ACTIONS_WORKFLOW" .github/workflows/"$ACTIONS_WORKFLOW"
+    rm -rf "$temp"
 
     ## Cleanup image settings in site config
-    _sedi "s/^img_cdn:.*/img_cdn:/;s/^avatar:.*/avatar:/" _config.yml
+    _sedi "s/(^timezone:).*/\1/;s/(^.*cdn:).*/\1/;s/(^avatar:).*/\1/" _config.yml
   fi
 
   # remove the other files
@@ -102,19 +91,19 @@ init_files() {
   # build assets
   npm i && npm run build
 
-  # track the js output
-  _sedi "/^assets.*\/dist/d" .gitignore
+  # track the CSS/JS output
+  _sedi "/.*\/dist$/d" .gitignore
 }
 
 commit() {
   git add -A
   git commit -m "chore: initialize the environment" -q
-  echo -e "\n[INFO] Initialization successful!\n"
+  echo -e "\n> Initialization successful!\n"
 }
 
 main() {
   check_env
-  checkout_latest_release
+  reset_latest
   init_files
   commit
 }

tools/release

@@ -1,56 +1,48 @@
 #!/usr/bin/env bash
 #
-# Release a new version to the GitLab flow production branch.
-#
-# For a new major/minor version, bump version on the main branch, and then merge into the production branch.
-#
-# For a patch version, bump the version number on the patch branch, then merge that branch into the main branch
-# and production branch.
-#
-#
-# Usage: run on the default, release or the patch branch
-#
 # Requires: Git, NPM and RubyGems
 
 set -eu
 
-opt_pre=false # preview mode option
+opt_pre=false # option for bump gem version
+opt_pkg=false # option for building gem package
 
-working_branch="$(git branch --show-current)"
-
-DEFAULT_BRANCH="$(git symbolic-ref refs/remotes/origin/HEAD | sed 's@^refs/remotes/origin/@@')"
-
-PROD_BRANCH="production"
+MAIN_BRANCH="master"
+RELEASE_BRANCH="production"
 
 GEM_SPEC="jekyll-theme-chirpy.gemspec"
-NODE_CONFIG="package.json"
-CHANGE_LOG="docs/CHANGELOG.md"
+NODE_SPEC="package.json"
+CHANGELOG="docs/CHANGELOG.md"
+CONFIG="_config.yml"
 
+CSS_DIST="_sass/dist"
 JS_DIST="assets/js/dist"
-BACKUP_PATH="$(mktemp -d)"
 
 FILES=(
   "$GEM_SPEC"
-  "$NODE_CONFIG"
+  "$NODE_SPEC"
+  "$CHANGELOG"
+  "$CONFIG"
 )
 
 TOOLS=(
   "git"
   "npm"
-  "standard-version"
   "gem"
 )
 
 help() {
-  echo "A tool to release new version Chirpy gem"
+  echo -e "A tool to release new version Chirpy gem.\nThis tool will:"
+  echo "  1. Build a new gem and publish it to RubyGems.org"
+  echo "  2. Merge the release branch into the default branch"
   echo
   echo "Usage:"
-  echo
   echo "  bash ./tools/release [options]"
   echo
   echo "Options:"
-  echo "     -p, --preview            Enable preview mode, only package, and will not modify the branches"
-  echo "     -h, --help               Print this information."
+  echo "  --prepare           Preparation for release"
+  echo "  -p, --package       Build a gem package only, for local packaging in case of auto-publishing failure"
+  echo "  -h, --help          Display this help message"
 }
 
 _check_cli() {
@@ -64,17 +56,17 @@ _check_cli() {
 }
 
 _check_git() {
+  $opt_pre || (
     # ensure that changes have been committed
     if [[ -n $(git status . -s) ]]; then
       echo "> Abort: Commit the staged files first, and then run this tool again."
       exit 1
     fi
+  )
 
-  $opt_pre || (
-    if [[ $working_branch != "$DEFAULT_BRANCH" &&
-      $working_branch != hotfix/* &&
-      $working_branch != "$PROD_BRANCH" ]]; then
-      echo "> Abort: Please run on the default, release or patch branch."
+  $opt_pkg || (
+    if [[ "$(git branch --show-current)" != "$RELEASE_BRANCH" ]]; then
+      echo "> Abort: Please run the tool in the '$RELEASE_BRANCH' branch."
       exit 1
     fi
   )
@@ -90,121 +82,110 @@ _check_src() {
   done
 }
 
-_check_node_packages() {
-  if [[ ! -d node_modules || "$(du node_modules | awk '{print $1}')" == "0" ]]; then
-    npm i
-  fi
-}
-
-check() {
+init() {
   _check_cli
   _check_git
   _check_src
-  _check_node_packages
+  echo -e "> npm install\n"
+  npm i
 }
 
-# Auto-generate a new version number to the file 'package.json'
-bump_node() {
-  bump="standard-version -i $CHANGE_LOG"
+## Bump new version to gem-spec file
+_bump_version() {
+  _version="$(grep '"version":' "$NODE_SPEC" | sed 's/.*: "//;s/".*//')"
+  sed -i "s/[[:digit:]]\+\.[[:digit:]]\+\.[[:digit:]]\+/$_version/" "$GEM_SPEC"
+  echo "> Bump gem version to $_version"
+}
 
-  if $opt_pre; then
-    bump="$bump -p rc"
-  fi
-
-  eval "$bump"
-
-  # Change heading of Patch version to heading level 2 (a bug from `standard-version`)
-  sed -i "s/^### \[/## \[/g" "$CHANGE_LOG"
+_improve_changelog() {
   # Replace multiple empty lines with a single empty line
-  sed -i "/^$/N;/^\n$/D" "$CHANGE_LOG"
+  sed -i '/^$/N;/^\n$/D' "$CHANGELOG"
+  # Escape left angle brackets of HTML tag in the changelog as they break the markdown structure. e.g., '<hr>'
+  sed -i -E 's/\s(<[a-z])/ \\\1/g' "$CHANGELOG"
 }
 
-## Bump new version to gem config file
-bump_gem() {
-  _ver="$1"
-
-  if $opt_pre; then
-    _ver="${1/-/.}"
-  fi
-
-  sed -i "s/[[:digit:]]\+\.[[:digit:]]\+\.[[:digit:]]\+/$_ver/" "$GEM_SPEC"
-}
-
-# Creates a new tag on the production branch with the given version number.
-# Also commits the changes and merges the production branch into the default branch.
-branch() {
-  _version="$1" # X.Y.Z
-
-  git add .
-  git commit -m "chore(release): $_version"
-
-  # Create a new tag on production branch
-  echo -e "> Create tag v$_version\n"
-  git tag "v$_version"
-
-  git checkout "$DEFAULT_BRANCH"
-  git merge --no-ff --no-edit "$PROD_BRANCH"
-
-  if [[ $working_branch == hotfix/* ]]; then
-    # delete the patch branch
-    git branch -D "$working_branch"
-  fi
+prepare() {
+  _bump_version
+  _improve_changelog
 }
 
 ## Build a Gem package
 build_gem() {
-  git checkout "$PROD_BRANCH"
+  if $opt_pkg; then
+    BACKUP_PATH="$(mktemp -d)"
+    mkdir -p "$BACKUP_PATH"/css "$BACKUP_PATH"/js
+    [[ -d $CSS_DIST ]] && cp "$CSS_DIST"/* "$BACKUP_PATH"/css
+    [[ -d $JS_DIST ]] && cp "$JS_DIST"/* "$BACKUP_PATH"/js
+  fi
 
   # Remove unnecessary theme settings
-  sed -i "s/^img_cdn:.*/img_cdn:/;s/^avatar:.*/avatar:/" _config.yml
+  sed -i -E "s/(^timezone:).*/\1/;s/(^cdn:).*/\1/;s/(^avatar:).*/\1/" $CONFIG
   rm -f ./*.gem
 
   npm run build
-  git add "$JS_DIST" -f # add JS distribution files to gem
-  gem build "$GEM_SPEC"
-  cp "$JS_DIST"/* "$BACKUP_PATH"
+  # add CSS/JS distribution files to gem package
+  git add "$CSS_DIST" "$JS_DIST" -f
 
-  # Resume the settings
+  echo -e "\n> gem build $GEM_SPEC\n"
+  gem build "$GEM_SPEC"
+
+  echo -e "\n> Resume file changes ...\n"
   git reset
   git checkout .
 
+  if $opt_pkg; then
     # restore the dist files for future development
-  mkdir -p "$JS_DIST" && cp "$BACKUP_PATH"/* "$JS_DIST"
+    mkdir -p "$CSS_DIST" "$JS_DIST"
+    cp "$BACKUP_PATH"/css/* "$CSS_DIST"
+    cp "$BACKUP_PATH"/js/* "$JS_DIST"
+    rm -rf "$BACKUP_PATH"
+  fi
+}
 
-  # back to the default branch
-  git checkout "$DEFAULT_BRANCH"
+# Push the gem to RubyGems.org (using $GEM_HOST_API_KEY)
+push_gem() {
+  gem push ./*.gem
+}
+
+## Merge the release branch into the default branch
+merge() {
+  git fetch origin "$MAIN_BRANCH"
+  git checkout -b "$MAIN_BRANCH" origin/"$MAIN_BRANCH"
+
+  git merge --no-ff --no-edit "$RELEASE_BRANCH" || (
+    git merge --abort
+    echo -e "\n> Conflict detected. Aborting merge.\n"
+    exit 0
+  )
+
+  git push origin "$MAIN_BRANCH"
 }
 
 main() {
-  check
+  init
 
-  if [[ $opt_pre = false && $working_branch != "$PROD_BRANCH" ]]; then
-    git checkout "$PROD_BRANCH"
-    git merge --no-ff --no-edit "$working_branch"
+  if $opt_pre; then
+    prepare
+    exit 0
   fi
 
-  bump_node
-
-  _version="$(grep '"version":' "$NODE_CONFIG" | sed 's/.*: "//;s/".*//')"
-
-  bump_gem "$_version"
-
-  if [[ $opt_pre = false ]]; then
-    branch "$_version"
-  fi
-
-  echo -e "> Build the gem package for v$_version\n"
-
   build_gem
+  $opt_pkg && exit 0
+  push_gem
+  merge
 }
 
 while (($#)); do
   opt="$1"
   case $opt in
-  -p | --preview)
+  --prepare)
     opt_pre=true
     shift
     ;;
+  -p | --package)
+    opt_pkg=true
+    shift
+    ;;
   -h | --help)
     help
     exit 0

tools/run

@@ -2,4 +2,49 @@
 #
 # Run jekyll serve and then launch the site
 
-bundle exec jekyll s -H 0.0.0.0 -l
+prod=false
+command="bundle exec jekyll s -l"
+host="127.0.0.1"
+
+help() {
+  echo "Usage:"
+  echo
+  echo "   bash /path/to/run [options]"
+  echo
+  echo "Options:"
+  echo "     -H, --host [HOST]    Host to bind to."
+  echo "     -p, --production     Run Jekyll in 'production' mode."
+  echo "     -h, --help           Print this help information."
+}
+
+while (($#)); do
+  opt="$1"
+  case $opt in
+  -H | --host)
+    host="$2"
+    shift 2
+    ;;
+  -p | --production)
+    prod=true
+    shift
+    ;;
+  -h | --help)
+    help
+    exit 0
+    ;;
+  *)
+    echo -e "> Unknown option: '$opt'\n"
+    help
+    exit 1
+    ;;
+  esac
+done
+
+command="$command -H $host"
+
+if $prod; then
+  command="JEKYLL_ENV=production $command"
+fi
+
+echo -e "\n> $command\n"
+eval "$command"

tools/test

@@ -62,7 +62,7 @@ main() {
 
   # test
   bundle exec htmlproofer "$SITE_DIR" \
-    --disable-external=true \
+    --disable-external \
     --ignore-urls "/^http:\/\/127.0.0.1/,/^http:\/\/0.0.0.0/,/^http:\/\/localhost/"
 }