Merge branch 'master' into production

resolves #595

.commitlintrc.json

@@ -0,0 +1,5 @@
+{
+  "rules": {
+    "body-max-line-length": [0, "always"]
+  }
+}

.github/CONTRIBUTING.md

@@ -1,15 +1,65 @@
 # How to Contribute
 
-I want to thank you for sparing time to improve this project! Here are some guidelines for contributing：
+We'd like to thank you for sparing time to improve this project! Here are some guidelines for contributing：
 
-To ensure that the blog design is not confused, this project does not accept suggestions for design changes, such as color scheme, fonts, typography, etc. If your request is about an enhancement, it is recommended to first submit a [`Feature Request`](https://github.com/cotes2020/jekyll-theme-chirpy/issues/new?labels=enhancement&template=feature_request.md) issue to discuss whether your idea fits the project. 
+To ensure that the blog design is not confused, this project does not accept suggestions for design changes, such as color scheme, fonts, typography, etc. If your request is about an enhancement, it is recommended to first submit a [_Feature Request_](https://github.com/cotes2020/jekyll-theme-chirpy/issues/new?labels=enhancement&template=feature_request.md) issue to discuss whether your idea fits the project.
+
+## Basic Process
 
 Generally, contribute to the project by:
 
 1. Fork this project on GitHub and clone it locally.
-2. Create a new branch from `master` and give it a descriptive name (e.g., `my-new-feature`, `fix-a-bug`).
-3. After completing the development, commit and push to remote.
-4. Submit a new pull request.
+2. Create a new branch from the default branch and give it a descriptive name (format: `feature/<add-new-feat>` / `fix/<fix-a-bug>`).
+3. After completing the development, submit a new _Pull Request_. Note that the commit message must follow the [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/), otherwise it will fail the PR check.
+
+## Modifying JavaScript
+
+If your contribution involves JavaScript modification, please read the following sections.
+
+### Inline Scripts
+
+If you need to add comments to the inline JavaScript (the code between the HTML tags `<script>` and `</script>`), please use `/* */` instead of two slashes `//`. Because the HTML will be compressed by [jekyll-compress-html](https://github.com/penibelst/jekyll-compress-html) during deployment, but it cannot handle the `//` properly, which will disrupt the structure of the compressed HTML.
+
+### External Scripts
+
+If you need to add/change/delete the JavaScript in the directory `_javascript/`, setting up [`Node.js`](https://nodejs.org/) and [`npx`](https://www.npmjs.com/package/npx) is a requirement. And then install the development dependencies:
+
+```console
+$ npm i
+```
+
+During JavaScript development, real-time debugging can be performed through the following commands:
+
+Firstly, start a Jekyll server:
+
+```console
+$ bash tools/run.sh
+```
+
+And then open a new terminal tab and run:
+
+```console
+# Type 'Ctrl + C' to stop
+$ npx gulp dev
+```
+
+After debugging, run the command `npx gulp` (without any argument) will automatically output the compressed files to the directory `assets/js/dist/`.
+
+## Verify the commit messages
+
+If you want to make sure your commits pass the CI check, you can refer to the following steps.
+
+Install `commitlint` & `husky`:
+
+```console
+$ npm i -g @commitlint/{cli,config-conventional} husky
+```
+
+And then enable `husky`:
+
+```console
+$ husky install
+```
 
 ---
 

.github/FUNDING.yml

@@ -1,3 +1,2 @@
-custom:
-  - https://www.buymeacoffee.com/coteschung
-  - https://cotes.gitee.io/alipay-wechat-donation
+ko_fi: coteschung
+custom: https://cotes.gitee.io/alipay-wechat-donation

.github/ISSUE_TEMPLATE/bug_report.md

@@ -6,12 +6,15 @@ about: Create a report to help us improve
 <!-- NOTE: Please maintain all sections, otherwise the issue will be automatically closed :) -->
 
 ## Checklist
+
 <!-- Please complete the following list of tasks, and then check it by changing the "[ ]" to "[x]" -->
-- [ ] I have read the [tutorials](https://chirpy.cotes.info/categories/tutorial/) and know the correct effect of the functional design.
-- [ ] There are no similar reports on existing issues (including closed ones).
+
+- [ ] I have read the [tutorials](https://cotes2020.github.io/chirpy-demo/categories/tutorial/) and know the correct effect of the functional design.
+- [ ] There are no similar reports on [existing issues](https://github.com/cotes2020/jekyll-theme-chirpy/issues?q=is%3Aissue) (including closed ones).
 - [ ] I found the bug on the latest code of the `master` branch.
 
 ## Describe the bug
+
 <!-- A clear and concise description of what the bug is. -->
 
 ### To Reproduce
@@ -25,26 +28,32 @@ Steps to reproduce the behavior:
 -->
 
 ### Expected behavior
+
 <!-- A clear and concise description of what you expected to happen. -->
 
 ### Screenshots
+
 <!-- If applicable, add screenshots to help explain your problem. -->
 
-### Software
-<!-- Please complete the following information -->
-- Ruby version: <!-- by running: `ruby -v` -->
-- Gem version: <!-- by running: `gem -v`-->
-- Bundler version: <!-- by running: `bundle -v`-->
-- Jekyll version: <!-- by running: `bundle list | grep " jekyll "` -->
-- Theme version: <!-- by running: `gem list | grep jekyll-theme-chirpy` -->
+### Environment
+
+| Command                           | Version |
+|-----------------------------------|---------|
+| `ruby -v`                         |         |
+| `gem -v`                          |         |
+| `bundle -v`                       |         |
+| `bundle exec jekyll -v`           |         |
+| `bundle info jekyll-theme-chirpy` |         |
 
 ### Desktop
+
 <!-- If necessary, uncomment and fill in the following list:
 - OS: [e.g. macOS 10.15.6]
 - Browser: [e.g. Chrome 85.0.4183.83 (64-bit)]
 -->
 
 ### Smartphone
+
 <!-- If necessary, uncomment and fill in the following list:
 - Device: [e.g. iPhone 6]
 - OS: [e.g. iOS 13.6.1]
@@ -52,4 +61,5 @@ Steps to reproduce the behavior:
 -->
 
 ### Additional context
+
 <!-- Add any other context about the problem here. -->

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,24 +7,29 @@ labels: enhancement
 <!-- NOTE: Please maintain all sections, otherwise the issue will be automatically closed :) -->
 
 ## Checklist
+
 <!-- Please complete the following list of tasks, and then check it by changing the "[ ]" to "[x]" -->
 - [ ] I have read the [contributing guidelines](https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/.github/CONTRIBUTING.md).
-- [ ] There is no similar request on existing issues (including closed ones).
+- [ ] There is no similar request on [existing issues](https://github.com/cotes2020/jekyll-theme-chirpy/issues?q=is%3Aissue) (including closed ones).
 - [ ] I have read the [project progress](https://github.com/cotes2020/jekyll-theme-chirpy/projects) and know the current progress of the project.
 - [ ] I was in the `master` branch of the latest code.
 
 
 ## Is your feature request related to a problem? Please describe
+
 <!-- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] -->
 
 
 ## Describe the solution you'd like
+
 <!-- A clear and concise description of what you want to happen. -->
 
 
 ## Describe alternatives you've considered
+
 <!-- A clear and concise description of any alternative solutions or features you've considered. -->
 
 
 ## Additional context
+
 <!-- Add any other context or screenshots about the feature request here. -->

.github/ISSUE_TEMPLATE/question.md

@@ -1,6 +1,6 @@
 ---
 name: Question
-about: Ask what ever you want
+about: Ask whatever you want
 labels: question
 ---
 
@@ -10,10 +10,11 @@ labels: question
 
 <!-- Please complete the following list of tasks, and then check it by changing the "[ ]" to "[x]" -->
 
-- [ ] I have read the [tutorials](https://chirpy.cotes.info/categories/tutorial/) and know the correct effect of the functional design.
-- [ ] There is no similar question on existing issues (including closed ones).
-- [ ] I searched the Internet for related problems, but still couldn't solve them.
+- [ ] I have read the [newlest tutorials](https://cotes2020.github.io/chirpy-demo/categories/tutorial/) and know the correct effect of the functional design.
+- [ ] There is no similar question on [existing issues](https://github.com/cotes2020/jekyll-theme-chirpy/issues?q=is%3Aissue) (including closed ones).
+- [ ] I have tried to find the answer on [Jekyll Forum](https://talk.jekyllrb.com/) and [StackOverflow](https://stackoverflow.com/questions/tagged/jekyll).
 - [ ] My question is based on the latest code of the `master` branch.
 
 ## Description
+
 <!-- Please describe your question in detail. -->

.github/PULL_REQUEST_TEMPLATE.md

@@ -29,16 +29,14 @@ Please describe the tests that you ran to verify your changes. Provide instructi
 
 - Browser type & version:
 - Operating system:
-- Bundler version:
-- Ruby version:
-- Jekyll version:
+- Ruby version: <!-- by running: `ruby -v` -->
+- Bundler version: <!-- by running: `bundle -v`-->
+- Jekyll version: <!-- by running: `bundle list | grep " jekyll "` -->
 
 ### Checklist
+
 <!-- Select checkboxes by change the "[ ]" to "[x]" -->
-- [ ] My code follows the [Google style guidelines](https://google.github.io/styleguide/)
-- [ ] I have performed a self-review of my own code
+- [ ] I have performed a self-review of my code
 - [ ] I have commented on my code, particularly in hard-to-understand areas
 - [ ] I have made corresponding changes to the documentation
 - [ ] My changes generate no new warnings
-- [ ] I have added tests that prove my fix is effective or that my feature works
-- [ ] Any dependent changes have been merged and published in downstream modules

.github/workflows/ci.yml

@@ -1,16 +1,16 @@
-name: 'Continuous Integration'
+name: 'CI'
 on:
   push:
     branches-ignore:
-      - 'production'
+      - 'release/**'
+      - 'docs'
     tags-ignore:
-      - '*'
+      - '**'
     paths-ignore:
       - '.github/**'
       - '!.github/workflows/ci.yml'
       - '.travis.yml'
       - '.gitignore'
-      - 'docs/**'
       - 'README.md'
       - 'LICENSE'
   pull_request:
@@ -18,23 +18,20 @@ on:
       - '**'
 
 jobs:
-  ci:
-    runs-on: ${{ matrix.os }}
+  build:
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
-
+        ruby: [2.5, 2.6, 2.7, 3]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
         with:
           fetch-depth: 0  # for posts's lastmod
-
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
-
       - name: Test Site
         run: bash tools/deploy.sh --dry-run

.github/workflows/commitlint.yml

@@ -0,0 +1,11 @@
+name: Lint Commit Messages
+on: pull_request
+
+jobs:
+  commitlint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: wagoid/commitlint-github-action@v4

.gitignore

@@ -4,6 +4,9 @@
 !.editorconfig
 !.nojekyll
 !.travis.yml
+!.husky
+!.commitlintrc.json
+!.versionrc.json
 
 # bundler cache
 _site

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "assets/lib"]
+	path = assets/lib
+	url = https://github.com/cotes2020/chirpy-static-assets.git

.husky/commit-msg

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+npx --no -- commitlint -x $(npm root -g)/@commitlint/config-conventional --edit

.nojekyll

@@ -0,0 +1 @@
+

.travis.yml

@@ -1,42 +1,41 @@
 os: linux
 dist: bionic
+language: ruby
+rvm: 2.7.0
 
-language: minimal
+addons:
+  apt:
+    packages:
+      - libcurl4-openssl-dev  # to avoid SSL error (for htmlproofer)
 
-branches:
-  only:
-    - /^release\/(\d)+(\.(\d)+){1}$/
+# Overriding to drop the `--development` flag which requires the Gemfile.lock at build
+install: bundle install --jobs=3 --retry=3 --path=vendor/bundle
+
+before_script: git -C "$HOME" clone "$BUILDER_REPO" --depth=1 -q
 
 jobs:
   include:
-    - name: Deploy
-      language: ruby
-      rvm: 2.7.0
-      addons:
-        apt:
-          packages:
-            # required to avoid SSL error (for htmlproofer)
-            - libcurl4-openssl-dev
-      cache:
-        directories:
-          - $TRAVIS_BUILD_DIR/vendor/bundle
-      before_install:
-        # match the Gemfile.lock, travis' bundler is 2.1.2
-        - gem install bundler:2.2.4
-        - bundle config path 'vendor/bundle'
-      install:
-        # overriding to drop the travis `--development` flag
-        - bundle install --jobs=3 --retry=3
-      script:
-        - eval "$BUILD_CMD"
+    - stage: Upgrade
       git:
-        depth: false # for posts' lastmod
-
-    - name: Flush Starter
+        depth: false  # for posts' lastmod
+      script: eval "$BUILD_CMD"
+    - stage: Starter
+      language: minimal
+      install: true   # skip install step
       script: eval "$FLUSH_STARTER"
+    - stage: Docs
+      cache: bundler
+      git:
+        depth: false  # for posts' lastmod
+      script: eval "$DOCS_CMD"
 
-before_script:
-  - git -C "$HOME" clone "$BUILDER_REPO" --depth=1 -q
+stages:
+  - name: Upgrade
+    if: branch = production
+  - name: Starter
+    if: branch = production
+  - name: Docs
+    if: branch = docs
 
 notifications:
   email:

.versionrc.json

@@ -0,0 +1,20 @@
+{
+  "skip": {
+    "commit": true,
+    "tag": true
+  },
+  "types": [
+    {
+      "type": "feat",
+      "section": "Features"
+    },
+    {
+      "type": "fix",
+      "section": "Bug Fixes"
+    },
+    {
+      "type": "perf",
+      "section": "Improvements"
+    }
+  ]
+}

CHANGELOG.md

@@ -0,0 +1,44 @@
+# 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.
+
+## [5.2.0](https://github.com/cotes2020/jekyll-theme-chirpy/compare/v5.1.0...v5.2.0) (2022-06-09)
+
+
+### Features
+
+* add es-ES support to locales ([#533](https://github.com/cotes2020/jekyll-theme-chirpy/issues/533)) ([efe75ad](https://github.com/cotes2020/jekyll-theme-chirpy/commit/efe75adf2784956afb7a0b67f6634b146d9cb03b))
+* add fr-FR support to locales ([#582](https://github.com/cotes2020/jekyll-theme-chirpy/issues/582)) ([94e8144](https://github.com/cotes2020/jekyll-theme-chirpy/commit/94e81447afa457b1a6b7e8f487c47502803556d7))
+* add Vietnamese locale ([#517](https://github.com/cotes2020/jekyll-theme-chirpy/issues/517)) ([171463d](https://github.com/cotes2020/jekyll-theme-chirpy/commit/171463d76da9b7bc25dd327b8f0a868ea79e388b))
+* add pt-BR support to locales ([c2c503f](https://github.com/cotes2020/jekyll-theme-chirpy/commit/c2c503f63336884282b6bda4ec0703d6ae76771b))
+* add option to turn off PWA ([#527](https://github.com/cotes2020/jekyll-theme-chirpy/issues/527)) ([106c981](https://github.com/cotes2020/jekyll-theme-chirpy/commit/106c981bac71e7434204a77e1f0c9c61d6eb1509))
+* **PWA:** add Service Worker update notification ([d127183](https://github.com/cotes2020/jekyll-theme-chirpy/commit/d127183b9774f6321e409acdb66bf8a85d8814be))
+* support showing description of preview image ([2bd6efa](https://github.com/cotes2020/jekyll-theme-chirpy/commit/2bd6efa95a174ac44e30a3af1e57e6f40d6e0e3a))
+
+
+### Bug Fixes
+
+* alt is not a valid attribute for 'a' tag ([58928db](https://github.com/cotes2020/jekyll-theme-chirpy/commit/58928dbc9068db4e4cda4371eeae1865920dce6a))
+* assets URL is missing `baseurl` in self-hosted mode ([#591](https://github.com/cotes2020/jekyll-theme-chirpy/issues/591)) ([54124d5](https://github.com/cotes2020/jekyll-theme-chirpy/commit/54124d5134995fce52e4c2fc0a5d4d1743d6264d))
+* correct the `twitter:creator` of Twitter summary card ([96a16c8](https://github.com/cotes2020/jekyll-theme-chirpy/commit/96a16c868ede51e7dfa412de63ffa1e5a49add7f))
+* correctly URL encode share links ([4c1c8d8](https://github.com/cotes2020/jekyll-theme-chirpy/commit/4c1c8d8b0eacecbbaa2d522bbdd6430f350ff760)), closes [#496](https://github.com/cotes2020/jekyll-theme-chirpy/issues/496)
+* follow paginate_path config for pagination ([6900d9f](https://github.com/cotes2020/jekyll-theme-chirpy/commit/6900d9f2bc9380cbda4babf611c6eeff345291af))
+* force checkout of `gh-pages` branch ([#544](https://github.com/cotes2020/jekyll-theme-chirpy/issues/544)) ([5402523](https://github.com/cotes2020/jekyll-theme-chirpy/commit/5402523ae52a3740bcc15df0b226b2612644945d))
+* horizontal scroll for long equations ([#545](https://github.com/cotes2020/jekyll-theme-chirpy/issues/545)) ([30787fc](https://github.com/cotes2020/jekyll-theme-chirpy/commit/30787fc4cf151e955bb7afc26dfd859f1a06fce6))
+* p is not allowed in span ([4f590e2](https://github.com/cotes2020/jekyll-theme-chirpy/commit/4f590e2bba0639751771211bc0d357828ae70404))
+* remove whitespace from avatar URL ([#537](https://github.com/cotes2020/jekyll-theme-chirpy/issues/537)) ([0542b51](https://github.com/cotes2020/jekyll-theme-chirpy/commit/0542b5149c8287dca60e37f46ee36f31b43455e4))
+* resume the preview image SEO tag ([#529](https://github.com/cotes2020/jekyll-theme-chirpy/issues/529)) ([b8d1bcd](https://github.com/cotes2020/jekyll-theme-chirpy/commit/b8d1bcd3dea0abd1afef7ef154a4501fbb18938d))
+* script code should be in head or body, not in between ([2103191](https://github.com/cotes2020/jekyll-theme-chirpy/commit/2103191b2faf714a8e4418c7c347a1f942b51af8))
+* spurious header closing tags ([59e9557](https://github.com/cotes2020/jekyll-theme-chirpy/commit/59e955745f02f9b57c65af70b0979cd4a98bf53f))
+* table bypass refactoring when it contains IAL ([#519](https://github.com/cotes2020/jekyll-theme-chirpy/issues/519)) ([5d85ccb](https://github.com/cotes2020/jekyll-theme-chirpy/commit/5d85ccb9943aac88dbbefebe1c2234cdcbae5c53))
+* **theme mode:** `SCSS` syntax error ([#588](https://github.com/cotes2020/jekyll-theme-chirpy/issues/588)) ([76a1b6a](https://github.com/cotes2020/jekyll-theme-chirpy/commit/76a1b6a068c369138422dcd18ba08ec8cc3749a6))
+* use `jsonify` to generate valid json ([#521](https://github.com/cotes2020/jekyll-theme-chirpy/issues/521)) ([dd9d5a7](https://github.com/cotes2020/jekyll-theme-chirpy/commit/dd9d5a7207b746342d07176d8969dc4f2c380bf2))
+* when the `site.img_cdn` is set to the local path, the preview-image path loses the `baseurl` ([9cefe58](https://github.com/cotes2020/jekyll-theme-chirpy/commit/9cefe58993d9ea3a3a28424e7ffd8e0911567c5c))
+
+
+### Improvements
+
+* avoid post pageviews from shifting while loading ([135a16f](https://github.com/cotes2020/jekyll-theme-chirpy/commit/135a16f13ee783d9308669ff9a824847a73c951c))
+* avoid the layout shift for post datetime ([6d35f5f](https://github.com/cotes2020/jekyll-theme-chirpy/commit/6d35f5f8da044cfad071628bb53776de03efaae4))
+* **categories:** support singular and plural forms of locale ([#595](https://github.com/cotes2020/jekyll-theme-chirpy/issues/595)) ([35cadf9](https://github.com/cotes2020/jekyll-theme-chirpy/commit/35cadf969dd0161ee62503e242c545f006f7072b))
+* improve the responsive design for ultrawide screens ([#540](https://github.com/cotes2020/jekyll-theme-chirpy/issues/540)) ([5d6e8c5](https://github.com/cotes2020/jekyll-theme-chirpy/commit/5d6e8c5ef6aa71b4d2600c5305f6e8ba540557f7))

README.md

@@ -1,90 +1,50 @@
-<div align="right">
-
-  EN /
-  [中文(简体)](https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/docs/README.zh-CN.md)
-
-</div>
-
 <div align="center">
 
   # Chirpy Jekyll Theme
 
+  A minimal, responsive, and powerful Jekyll theme for presenting professional writing.
+
   [![Gem Version](https://img.shields.io/gem/v/jekyll-theme-chirpy?color=brightgreen)](https://rubygems.org/gems/jekyll-theme-chirpy)
   [![Build Status](https://github.com/cotes2020/jekyll-theme-chirpy/workflows/build/badge.svg?branch=master&event=push)](https://github.com/cotes2020/jekyll-theme-chirpy/actions?query=branch%3Amaster+event%3Apush)
-  [![Codacy Badge](https://api.codacy.com/project/badge/Grade/8220b926db514f13afc3f02b7f884f4b)](https://app.codacy.com/manual/cotes2020/jekyll-theme-chirpy?utm_source=github.com&utm_medium=referral&utm_content=cotes2020/jekyll-theme-chirpy&utm_campaign=Badge_Grade_Dashboard)
+  [![Codacy Badge](https://app.codacy.com/project/badge/Grade/4e556876a3c54d5e8f2d2857c4f43894)](https://www.codacy.com/gh/cotes2020/jekyll-theme-chirpy/dashboard?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=cotes2020/jekyll-theme-chirpy&amp;utm_campaign=Badge_Grade)
   [![GitHub license](https://img.shields.io/github/license/cotes2020/jekyll-theme-chirpy.svg)](https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/LICENSE)
   [![996.icu](https://img.shields.io/badge/link-996.icu-%23FF4D5B.svg)](https://996.icu)
 
-  A minimal, responsive, and powerful Jekyll theme for presenting professional writing.
+  [**Live Demo →**](https://cotes2020.github.io/chirpy-demo)
 
-  [**Live Demo →**](https://chirpy.cotes.info)
-
-  [![Devices Mockup](https://cdn.jsdelivr.net/gh/cotes2020/chirpy-images@0a003683c0c3ca549d12c309f9b3e03ea20981e5/commons/devices-mockup.png)](https://chirpy.cotes.info)
+  [![Devices Mockup](https://raw.githubusercontent.com/cotes2020/chirpy-images/main/commons/devices-mockup.png)](https://cotes2020.github.io/chirpy-demo)
 
 </div>
 
 ## Features
 
 - Localized Layout
-- Configurable Theme Mode
+- Dark/Light Theme Mode
 - Pinned Posts
 - Hierarchical Categories
 - Last Modified Date for Posts
 - Table of Contents
-- Automatically Recommend Related Posts
+- Auto-generated Related Posts
 - Syntax Highlighting
 - Mathematical Expressions
 - Mermaid Diagram & Flowchart
+- Disqus/Utterances/Giscus Comments
 - Search
 - Atom Feeds
-- Disqus Comments
 - Google Analytics
-- GA Pageviews Reporting (Advanced)
+- GA Pageviews Reporting
 - SEO & Performance Optimization
 
-## Prerequisites
 
-Follow the instructions in the [Jekyll Docs](https://jekyllrb.com/docs/installation/) to complete the installation of `Ruby`, `RubyGems`, `Jekyll`, and `Bundler`.
+## Quick Start
 
-## Installation
+Before starting, please follow the instructions in the [Jekyll Docs](https://jekyllrb.com/docs/installation/) to complete the installation of `Ruby`, `RubyGems`, `Jekyll`, and `Bundler`. In addition, [Git](https://git-scm.com/) is also required to be installed.
 
-### Creating a New Site
+### Step 1. Creating a New Site
 
-There are two ways to create a new repository for this theme:
+Create a new repository from the [**Chirpy Starter**](https://github.com/cotes2020/chirpy-starter/generate) and name it `<GH_USERNAME>.github.io`, where `GH_USERNAME` represents your GitHub username.
 
-- [**Using the Chirpy Starter**](#option-1-using-the-chirpy-starter) - Easy to upgrade, isolates irrelevant project files so you can focus on writing.
-- [**Forking on GitHub**](#option-2-forking-on-github) - 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
-
-Create a new repository from the [**Chirpy Starter**][use-starter] and name it `<GH_USERNAME>.github.io`, where `GH_USERNAME` represents your GitHub username.
-
-#### Option 2. Forking on GitHub
-
-[Fork **Chirpy**](https://github.com/cotes2020/jekyll-theme-chirpy/fork) on GitHub and rename it to `<GH_USERNAME>.github.io`. Please note that the default branch code is in development.  If you want the site to be stable, please switch to the [latest tag][latest-tag] and start writing.
-
-And then execute:
-
-```console
-$ bash tools/init.sh
-```
-
-> **Note**: If you don't want to deploy your site on GitHub Pages, append option `--no-gh` at the end of the above command.
-
-The above command will:
-
-1. Removes some files or directories from your repository:
-    - `.travis.yml`
-    - files under `_posts`
-    - folder `docs`
-
-2. If the option `--no-gh` is provided, the directory `.github` will be deleted. Otherwise, set up the GitHub Action workflow by removing the extension `.hook` of `.github/workflows/pages-deploy.yml.hook`, and then remove the other files and directories in the folder `.github`.
-
-3. Removes item `Gemfile.lock` from `.gitignore`.
-
-4. Creates a new commit to save the changes automatically.
-
-### Installing Dependencies
+### Step 2. Installing Dependencies
 
 Before running for the first time, go to the root directory of your site, and install dependencies as follows:
 
@@ -92,32 +52,15 @@ Before running for the first time, go to the root directory of your site, and in
 $ bundle
 ```
 
-## Usage
+### Step 3. Running Local Server
 
-### Configuration
-
-Update the variables of `_config.yml` as needed. Some of them are typical options:
-
-- `url`
-- `avatar`
-- `timezone`
-- `lang`
-
-### Customing Stylesheet
-
-If you need to customize the stylesheet, copy the theme's `assets/css/style.scss` to the same path on your Jekyll site, and then add the custom style at the end of the style file.
-
-Starting from [`v4.1.0`][chirpy-4.1.0], if you want to overwrite the SASS variables defined in `_sass/addon/variables.scss`, create a new file `_sass/variables-hook.scss` and assign new values to the target variable in it.
-
-### Running Local Server
-
-You may want to preview the site contents before publishing, so just run it by:
+Run the following command in the root directory of the site:
 
 ```console
 $ bundle exec jekyll s
 ```
 
-Or run the site on Docker with the following command:
+Or run with Docker:
 
 ```console
 $ docker run -it --rm \
@@ -126,107 +69,29 @@ $ docker run -it --rm \
     jekyll serve
 ```
 
-After a while, the local service will be published at _<http://127.0.0.1:4000>_.
-
-### Deployment
-
-Before the deployment begins, check out the file `_config.yml` and make sure the `url` is configured correctly. Furthermore, if you prefer the [**project site**](https://help.github.com/en/github/working-with-github-pages/about-github-pages#types-of-github-pages-sites) and don't use a custom domain, or you want to visit your website with a base URL on a web server other than **GitHub Pages**, remember to change the `baseurl` to your project name that starts with a slash, e.g, `/project-name`.
-
-Now you can choose ONE of the following methods to deploy your Jekyll site.
-
-#### Deploy by Using Github Actions
-
-For security reasons, GitHub Pages build runs on `safe` mode, which restricts us from using plugins to generate additional page files. Therefore, we can use **GitHub Actions** to build the site, store the built site files on a new branch, and use that branch as the source of the GitHub Pages service.
-
-Quickly check the files needed for GitHub Actions build:
-
-- Ensure your Jekyll site has the file `.github/workflows/pages-deploy.yml`. Otherwise, create a new one and fill in the contents of the [sample file][workflow], and the value of the `on.push.branches` should be the same as your repo's default branch name.
-
-- Ensure your Jekyll site has file `tools/deploy.sh`. Otherwise, copy it from here to your Jekyll site.
-
-- Furthermore, if you have committed `Gemfile.lock` to the repo, and your runtime system is not Linux, don't forget to update the platform list in the lock file:
-
-  ```console
-  $ bundle lock --add-platform x86_64-linux
-  ```
-
-After the above steps, rename your repository to `<GH_USERNAME>.github.io` on GitHub.
-
-Now publish your Jekyll site by:
-
-1. Push any commit to remote to trigger the GitHub Actions workflow. Once the build is complete and successful, a new remote branch named `gh-pages` will appear to store the built site files.
-
-2. Browse to your repository on GitHub. Select the tab _Settings_, then click _Pages_ in the left navigation bar, and then in the section **Source** of _GitHub Pages_, select the `/(root)` directory of branch `gh-pages` as the [publishing source][pages-src]. Remember to click <kbd>Save</kbd> before leaving.
-
-    ![gh-pages-sources](https://cdn.jsdelivr.net/gh/cotes2020/chirpy-images@0a003683c0c3ca549d12c309f9b3e03ea20981e5/posts/20190809/gh-pages-sources.png)
-
-3. Visit your website at the address indicated by GitHub.
-
-#### Manually Build and Deploy
-
-On self-hosted servers, you cannot enjoy the convenience of **GitHub Actions**. Therefore, you should build the site on your local machine and then upload the site files to the server.
-
-Go to the root of the source project, and build your site as follows:
-
-```console
-$ JEKYLL_ENV=production bundle exec jekyll b
-```
-
-Or build the site on Docker:
-
-```console
-$ docker run -it --rm \
-    --env JEKYLL_ENV=production \
-    --volume="$PWD:/srv/jekyll" \
-    jekyll/jekyll \
-    jekyll build
-```
-
-Unless you specified the output path, the generated site files will be placed in folder `_site` of the project's root directory. Now you should upload those files to the target server.
-
-### Upgrading
-
-It depends on how you use the theme:
-
-- If you are using the theme gem (there will be `gem "jekyll-theme-chirpy"` in the `Gemfile`), editing the `Gemfile` and update the version number of the theme gem, for example:
-
-    ```diff
-    - gem "jekyll-theme-chirpy", "~> 3.2", ">= 3.2.1"
-    + gem "jekyll-theme-chirpy", "~> 3.3", ">= 3.3.0"
-    ```
-
-    And then execute the following command:
-
-    ```console
-    $ bundle update jekyll-theme-chirpy
-    ```
-
-    As the version upgrades, the critical files (for details, see the [Startup Template][starter]) and configuration options will change. Please refer to the [Upgrade Guide](https://github.com/cotes2020/jekyll-theme-chirpy/wiki/Upgrade-Guide) to keep your repo's files in sync with the latest version of the theme.
-
-- If you forked from the source project (there will be `gemspec` in the `Gemfile` of your site), then merge the [latest upstream tags][latest-tag] into your Jekyll site to complete the upgrade.
-The merge is likely to conflict with your local modifications. Please be patient and careful to resolve these conflicts.
+After a while, navigate to the site at <http://localhost:4000>.
 
 ## Documentation
 
-For more details and a better reading experience, please check out the [tutorials on the demo site](https://chirpy.cotes.info/categories/tutorial/). In the meanwhile, a copy of the tutorial is also available on the [Wiki](https://github.com/cotes2020/jekyll-theme-chirpy/wiki). Please note that the tutorials on the demo website or Wiki are based on the latest release, and the features of `master` branch are usually ahead of the documentation.
+For more details on usage, please refer to the tutorial on the [demo website](https://cotes2020.github.io/chirpy-demo/) / [wiki](https://github.com/cotes2020/jekyll-theme-chirpy/wiki). Note that the tutorial is based on the [latest tag](https://github.com/cotes2020/jekyll-theme-chirpy/tags), and the features of the default branch are usually ahead of the documentation.
 
 ## Contributing
 
-The old saying, "Two heads are better than one." Consequently, welcome to report bugs, improve code quality or submit a new feature. For more information, see [contributing guidelines](.github/CONTRIBUTING.md).
+Welcome to report bugs, improve code quality or submit a new feature. For more information, see [contributing guidelines](.github/CONTRIBUTING.md).
 
 ## Credits
 
 This theme is mainly built with [Jekyll](https://jekyllrb.com/) ecosystem, [Bootstrap](https://getbootstrap.com/), [Font Awesome](https://fontawesome.com/) and some other wonderful tools (their copyright information can be found in the relevant files). The avatar and favicon design come from [Clipart Max](https://www.clipartmax.com/middle/m2i8b1m2K9Z5m2K9_ant-clipart-childrens-ant-cute/).
 
-:tada: Thanks to all the volunteers who contributed to this project, their GitHub IDs are on [this list](https://github.com/cotes2020/jekyll-theme-chirpy/graphs/contributors). Also, I won't forget those guys who submitted the issues or unmerged PR because they reported bugs, shared ideas or inspired me to write more readable documentation.
+:tada: Thanks to all the volunteers who contributed to this project, their GitHub IDs are on [this list](https://github.com/cotes2020/jekyll-theme-chirpy/graphs/contributors). Also, I won't forget those guys who submitted the issues or unmerged PR because they reported bugs, shared ideas, or inspired me to write more readable documentation.
 
-Last but not least, thank [JetBrains][jb] for providing the open source license.
+Last but not least, thank [JetBrains][jb] for providing the OSS development license.
 
 ## Sponsoring
 
 If you like this theme or find it helpful, please consider sponsoring me, because it will encourage and help me better maintain the project, I will be very grateful!
 
-[![Buy Me a Coffee](https://img.shields.io/badge/-Buy%20Me%20a%20Coffee-ff813f?logo=buy-me-a-coffee&logoColor=white)](https://www.buymeacoffee.com/coteschung)
+[![Ko-fi](https://img.shields.io/badge/-Buy%20Me%20a%20Coffee-ff5f5f?logo=ko-fi&logoColor=white)](https://ko-fi.com/coteschung)
 [![Wechat Pay](https://img.shields.io/badge/-Tip%20Me%20on%20WeChat-brightgreen?logo=wechat&logoColor=white)][cn-donation]
 [![Alipay](https://img.shields.io/badge/-Tip%20Me%20on%20Alipay-blue?logo=alipay&logoColor=white)][cn-donation]
 
@@ -234,13 +99,6 @@ If you like this theme or find it helpful, please consider sponsoring me, becaus
 
 This work is published under [MIT](https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/LICENSE) License.
 
-[starter]: https://github.com/cotes2020/chirpy-starter
-[use-starter]: https://github.com/cotes2020/chirpy-starter/generate
-[workflow]: https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/.github/workflows/pages-deploy.yml.hook
-[chirpy-4.1.0]: https://github.com/cotes2020/jekyll-theme-chirpy/releases/tag/v4.1.0
-[pages-src]: https://docs.github.com/en/github/working-with-github-pages/configuring-a-publishing-source-for-your-github-pages-site
-[latest-tag]: https://github.com/cotes2020/jekyll-theme-chirpy/tags
-
 <!-- ReadMe links -->
 
 [jb]: https://www.jetbrains.com/?from=jekyll-theme-chirpy

_config.yml

@@ -12,6 +12,9 @@ baseurl: ''
 # otherwise, the layout language will use the default value of 'en'.
 lang: en
 
+# Additional parameters for datetime localization, optional. › https://github.com/iamkun/dayjs/tree/dev/src/locale
+prefer_datetime_locale:
+
 # Change to your timezone › http://www.timezoneconverter.com/cgi-bin/findzone/findzone
 timezone: Asia/Shanghai
 
@@ -23,9 +26,7 @@ title: Chirpy                          # the main title
 tagline: A text-focused Jekyll theme   # it will display as the sub-title
 
 description: >-                        # used by seo meta and the atom feed
-  A minimal, portfolio, sidebar,
-  bootstrap Jekyll theme with responsive web design
-  and focuses on text presentation.
+  A minimal, responsive, and powerful Jekyll theme for presenting professional writing.
 
 # fill in the protocol & hostname for your site, e.g., 'https://username.github.io'
 url: ''
@@ -49,13 +50,13 @@ social:
     # - https://www.facebook.com/username
     # - https://www.linkedin.com/in/username
 
-google_site_verification: google_meta_tag_verification # change to your verification string
+google_site_verification:               # fill in to your verification string
 
 # ↑ --------------------------
-
+# The end of `jekyll-seo-tag` settings
 
 google_analytics:
-  id: ''              # fill in your Google Analytics ID
+  id:                 # fill in your Google Analytics ID
   # Google Analytics pageviews report settings
   pv:
     proxy_endpoint:   # fill in the Google Analytics superProxy endpoint of Google App Engine
@@ -79,7 +80,7 @@ theme_mode:   # [light|dark]
 # will be added to all image (site avatar & posts' images) paths starting with '/'
 #
 # e.g. 'https://cdn.com'
-img_cdn: 'https://cdn.jsdelivr.net/gh/cotes2020/chirpy-images@0a003683c0c3ca549d12c309f9b3e03ea20981e5'
+img_cdn: 'https://raw.githubusercontent.com/cotes2020/chirpy-images/main'
 
 # the avatar on sidebar, support local or CORS resources
 avatar: '/commons/avatar.jpg'
@@ -87,9 +88,35 @@ avatar: '/commons/avatar.jpg'
 # boolean type, the global switch for ToC in posts.
 toc: true
 
-disqus:
-  comments: false  # boolean type, the global switch for posts comments.
-  shortname: ''    # Fill with your Disqus shortname. › https://help.disqus.com/en/articles/1717111-what-s-a-shortname
+comments:
+  active:         # The global switch for posts comments, e.g., 'disqus'.  Keep it empty means disable
+  # The active 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/
+  utterances:
+    repo:         # <gh-username>/<repo>
+    issue_term:   # < url | pathname | title | ...>
+  # Giscus options › https://giscus.app
+  giscus:
+    repo:             # <gh-username>/<repo>
+    repo_id:
+    category:
+    category_id:
+    mapping:          # optional, default to 'pathname'
+    input_position:   # optional, default to 'bottom'
+    lang:             # optional, default to the value of `site.lang`
+
+# Self-hosted static assets, optional › https://github.com/cotes2020/chirpy-static-assets
+assets:
+  self_host:
+    enabled:      # boolean, keep empty means false
+    # specify the Jekyll environment, empty means both
+    # only works if `assets.self_host.enabled` is 'true'
+    env:          # [development|production]
+
+pwa:
+  enabled: true   # the option for PWA feature
 
 paginate: 10
 
@@ -111,10 +138,8 @@ collections:
     output: true
     sort_by: order
 
-
 defaults:
-  -
-    scope:
+  - scope:
       path: ''          # An empty string here means all files in the project
       type: posts
     values:
@@ -124,19 +149,24 @@ defaults:
       # DO NOT modify the following parameter unless you are confident enough
       # to update the code of all other post links in this project.
       permalink: /posts/:title/
-  -
-    scope:
+  - scope:
       path: _drafts
     values:
       comments: false
-  -
-    scope:
+  - scope:
       path: ''
       type: tabs             # see `site.collections`
     values:
       layout: page
       permalink: /:title/
-      dynamic_title: true    # Hide title in mobile screens.
+  - scope:
+      path: assets/img/favicons
+    values:
+      swcache: true
+  - scope:
+      path: assets/js/dist
+    values:
+      swcache: true
 
 sass:
   style: compressed
@@ -154,12 +184,11 @@ exclude:
   - '*.gem'
   - '*.gemspec'
   - tools
-  - docs
   - README.md
   - LICENSE
   - gulpfile.js
   - node_modules
-  - '*.json'
+  - package*.json
 
 jekyll-archives:
   enabled: [categories, tags]

_data/assets/cross_origin.yml

@@ -0,0 +1,62 @@
+# CDNs
+
+cdns:
+  # Google Fonts
+  - url: https://fonts.googleapis.com
+  - url: https://fonts.gstatic.com
+    args: crossorigin
+  - url: https://fonts.googleapis.com
+  # jsDelivr CDN
+  - url: https://cdn.jsdelivr.net
+
+# fonts
+
+webfonts: https://fonts.googleapis.com/css2?family=Lato&family=Source+Sans+Pro:wght@400;600;700;900&display=swap
+
+# Libraries
+
+jquery:
+  js: https://cdn.jsdelivr.net/npm/jquery@3/dist/jquery.min.js
+
+bootstrap:
+  css: https://cdn.jsdelivr.net/npm/bootstrap@4/dist/css/bootstrap.min.css
+  js: https://cdn.jsdelivr.net/npm/bootstrap@4/dist/js/bootstrap.bundle.min.js
+
+bootstrap-toc:
+  css: https://cdn.jsdelivr.net/gh/afeld/bootstrap-toc@1.0.1/dist/bootstrap-toc.min.css
+  js: https://cdn.jsdelivr.net/gh/afeld/bootstrap-toc@1.0.1/dist/bootstrap-toc.min.js
+
+fontawesome:
+  css: https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@5.11.2/css/all.min.css
+
+search:
+  js: https://cdn.jsdelivr.net/npm/simple-jekyll-search@1.10.0/dest/simple-jekyll-search.min.js
+
+mermaid:
+  js: https://cdn.jsdelivr.net/npm/mermaid@8/dist/mermaid.min.js
+
+dayjs:
+  js:
+    common: https://cdn.jsdelivr.net/npm/dayjs@1/dayjs.min.js
+    locale: https://cdn.jsdelivr.net/npm/dayjs@1/locale/:LOCALE.min.js
+    relativeTime: https://cdn.jsdelivr.net/npm/dayjs@1/plugin/relativeTime.min.js
+    localizedFormat: https://cdn.jsdelivr.net/npm/dayjs@1/plugin/localizedFormat.min.js
+
+countup:
+  js: https://cdn.jsdelivr.net/npm/countup.js@1.9.3/dist/countUp.min.js
+
+magnific-popup:
+  css: https://cdn.jsdelivr.net/npm/magnific-popup@1/dist/magnific-popup.min.css
+  js: https://cdn.jsdelivr.net/npm/magnific-popup@1/dist/jquery.magnific-popup.min.js
+
+lozad:
+  js: https://cdn.jsdelivr.net/npm/lozad/dist/lozad.min.js
+
+clipboard:
+  js:  https://cdn.jsdelivr.net/npm/clipboard@2/dist/clipboard.min.js
+
+polyfill:
+  js: https://polyfill.io/v3/polyfill.min.js?features=es6
+
+mathjax:
+  js: https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js

_data/assets/self_host.yml

@@ -0,0 +1,51 @@
+# fonts
+
+webfonts: /assets/lib/fonts/main.css
+
+# Libraries
+
+jquery:
+  js: /assets/lib/jquery-3.6.0/jquery.min.js
+
+bootstrap:
+  css: /assets/lib/bootstrap-4.6.1/bootstrap.min.css
+  js: /assets/lib/bootstrap-4.6.1/bootstrap.bundle.min.js
+
+bootstrap-toc:
+  css: /assets/lib/bootstrap-toc-1.0.1/bootstrap-toc.min.css
+  js: /assets/lib/bootstrap-toc-1.0.1/bootstrap-toc.min.js
+
+fontawesome:
+  css: /assets/lib/fontawesome-free-5.15.4/css/all.min.css
+
+search:
+  js: /assets/lib/simple-jekyll-search-1.10.0/simple-jekyll-search.min.js
+
+mermaid:
+  js: /assets/lib/mermaid-8.13.10/mermaid.min.js
+
+dayjs:
+  js:
+    common: /assets/lib/dayjs-1.10.7/dayjs.min.js
+    locale: /assets/lib/dayjs-1.10.7/locale/en.min.js
+    relativeTime: /assets/lib/dayjs-1.10.7/plugin/relativeTime.min.js
+    localizedFormat: /assets/lib/dayjs-1.10.7/plugin/localizedFormat.min.js
+
+countup:
+  js: /assets/lib/countup.js-1.9.3/countUp.min.js
+
+magnific-popup:
+  css: /assets/lib/magnific-popup-1.1.0/magnific-popup.css
+  js: /assets/lib/magnific-popup-1.1.0/jquery.magnific-popup.min.js
+
+lozad:
+  js: /assets/lib/lozad-1.16.0/lozad.min.js
+
+clipboard:
+  js: /assets/lib/clipboard-2.0.9/clipboard.min.js
+
+polyfill:
+  js: /assets/lib/polyfill-v3-es6/polyfill.min.js
+
+mathjax:
+  js: /assets/lib/mathjax-3.2.0/tex-chtml.js

_data/authors.yml

@@ -0,0 +1,17 @@
+## Template › https://github.com/jekyll/jekyll-seo-tag/blob/master/docs/advanced-usage.md#setting-author-url
+# -------------------------------------
+# {author_id}:
+#   name: {full name}
+#   twitter: {twitter_of_author}
+#   url: {homepage_of_author}
+# -------------------------------------
+
+cotes:
+  name: Cotes Chung
+  twitter: cotes2020
+  url: https://github.com/cotes2020/
+
+sille_bille:
+  name: Dinesh Prasanth Moluguwan Krishnamoorthy
+  twitter: dinesh_MKD
+  url: https://github.com/SilleBille/

_data/locales/en.yml

@@ -20,21 +20,13 @@ tabs:
 search:
   hint: search
   cancel: Cancel
-  no_results: Oops! No result founds.
+  no_results: Oops! No results found.
 
 panel:
-  lastmod: Recent Update
+  lastmod: Recently Updated
   trending_tags: Trending Tags
   toc: Contents
 
-#  The liquid date format › http://strftime.net/
-date_format:
-  tooltip: '%a, %b %e, %Y, %l:%M %p %z'
-  post:
-    long: '%b %e, %Y'
-    short: '%b %e'
-    archive_month: '%b'
-
 copyright:
   # Shown at the bottom of the post
   license:
@@ -52,20 +44,17 @@ meta: Powered by :PLATFORM with :THEME theme.
 
 not_found:
   statment: Sorry, we've misplaced that URL or it's pointing to something that doesn't exist.
-  hint_template: :HEAD_BAK to try finding it again, or search for it on the :ARCHIVES_PAGE.
-  head_back: Head back Home
-  archives_page: Archives page
+
+notification:
+  update_found: A new version of content is available.
+  update: Update
 
 # ----- Posts related labels -----
 
 post:
-  published: 'on'
+  written_by: By
+  posted: Posted
   updated: Updated
-  timeago:
-    day: days ago
-    hour: hours ago
-    minute: minutes ago
-    just_now: just now
   words: words
   pageview_measure: views
   read_time:
@@ -86,5 +75,9 @@ post:
 
 # categories page
 categories:
-  category_measure: categories
-  post_measure: posts
+  category_measure:
+    singular: category
+    plural: categories
+  post_measure:
+    singular: post
+    plural: posts

_data/locales/es-ES.yml

@@ -0,0 +1,79 @@
+# The layout text of site
+
+# ----- Commons label -----
+
+layout:
+  post: Entrada
+  category: Categoría
+  tag: Etiqueta
+
+# The tabs of sidebar
+tabs:
+  # format: <filename_without_extension>: <value>
+  home: Inicio
+  categories: Categorías
+  tags: Etiquetas
+  archives: Archivo
+  about: Acerca de
+
+# the text displayed in the search bar & search results
+search:
+  hint: Buscar
+  cancel: Cancelar
+  no_results: ¡Oops! No se encuentran resultados.
+
+panel:
+  lastmod: Actualizado recientemente
+  trending_tags: Etiquetas populares
+  toc: Contenido
+
+copyright:
+  # Shown at the bottom of the post
+  license:
+    template: Esta entrada está licenciada bajo :LICENSE_NAME por el autor.
+    name: CC BY 4.0
+    link: https://creativecommons.org/licenses/by/4.0/
+
+  # Displayed in the footer
+  brief: Algunos derechos reservados.
+  verbose: >-
+    Salvo que se indique explícitamente, las entradas de este blog están licenciadas
+    bajo la Creative Commons Attribution 4.0 International (CC BY 4.0) License por el autor.
+
+meta: Hecho con :PLATFORM usando el tema :THEME.
+
+not_found:
+  statment: Lo sentimos, hemos perdido esa URL o apunta a algo que no existe.
+
+notification:
+  update_found: Hay una nueva versión de contenido disponible.
+  update: Actualizar
+
+# ----- Posts related labels -----
+
+post:
+  written_by: Por
+  posted: Publicado
+  updated: Actualizado
+  words: palabras
+  pageview_measure: visitas
+  read_time:
+    unit: min
+    prompt: ' de lectura'
+  relate_posts: Lecturas adicionales
+  share: Compartir
+  button:
+    next: Nuevo
+    previous: Anterior
+    copy_code:
+      succeed: ¡Copiado!
+    share_link:
+      title: Copiar enlace
+      succeed: ¡Enlace copiado!
+  # pinned prompt of posts list on homepage
+  pin_prompt: Fijado
+
+# categories page
+categories:
+  category_measure: categorias
+  post_measure: entradas

_data/locales/fr-FR.yml

@@ -0,0 +1,79 @@
+# The layout text of site
+
+# ----- Commons label -----
+
+layout:
+  post: Post
+  category: Catégorie
+  tag: Tag
+
+# The tabs of sidebar
+tabs:
+  # format: <filename_without_extension>: <value>
+  home: Accueil
+  categories: Catégories
+  tags: Tags
+  archives: Archives
+  about: A propos de
+
+# the text displayed in the search bar & search results
+search:
+  hint: recherche
+  cancel: Annuler
+  no_results: Oups ! Aucun résultat trouvé.
+
+panel:
+  lastmod: Récemment mis à jour
+  trending_tags: Tags tendance
+  toc: Contenu
+
+copyright:
+  # Shown at the bottom of the post
+  license:
+    template: Cet article est sous licence :LICENSE_NAME par l'auteur.
+    name: CC BY 4.0
+    link: https://creativecommons.org/licenses/by/4.0/
+
+  # Displayed in the footer
+  brief: Certains droits réservés.
+  verbose: >-
+    Sauf mention contraire, les articles de ce site sont publiés sous licence
+    sous la licence Creative Commons Attribution 4.0 International (CC BY 4.0) par l'auteur.
+
+meta: Propulsé par :PLATFORM avec le thème :THEME
+
+not_found:
+  statment: Désolé, nous avons égaré cette URL ou elle pointe vers quelque chose qui n'existe pas.
+
+notification:
+  update_found: Une nouvelle version du contenu est disponible.
+  update: Mise à jour
+
+# ----- Posts related labels -----
+
+post:
+  written_by: Par
+  posted: Posté
+  updated: Mis à jour
+  words: mots
+  pageview_measure: vues
+  read_time:
+    unit: min
+    prompt: lire
+  relate_posts: Autres lectures
+  share: Partager
+  button:
+    next: Plus récent
+    previous: Plus ancien
+    copy_code:
+      succeed: Copié !
+    share_link:
+      title: Copier le lien
+      succeed: Lien copié avec succès !
+  # pinned prompt of posts list on homepage
+  pin_prompt: Épinglé
+
+# categories page
+categories:
+  category_measure: catégories
+  post_measure: posts

_data/locales/id-ID.yml

@@ -27,14 +27,6 @@ panel:
   trending_tags: Tagar Terpopuler
   toc: Konten
 
-#  The liquid date format › http://strftime.net/
-date_format:
-  tooltip: "%a, %e %b, %Y, %l:%M %p"
-  post:
-    long: "%e %b, %Y"
-    short: "%e %b"
-    archive_month: "%b"
-
 copyright:
   # Shown at the bottom of the post
   license:
@@ -52,20 +44,17 @@ meta: Didukung oleh :PLATFORM dengan tema :THEME.
 
 not_found:
   statment: Maaf, kami gagal menemukan URL itu atau memang mengarah ke sesuatu yang tidak ada.
-  hint_template: :HEAD_BAK untuk mencoba mencari kembali, atau cari di :ARCHIVES_PAGE.
-  head_back: Kembali ke Beranda
-  archives_page: Halaman Arsip
+
+notification:
+  update_found: Versi konten baru tersedia.
+  update: Perbarui
 
 # ----- Posts related labels -----
 
 post:
-  published: "pada"
+  written_by: Oleh
+  posted: Diterbitkan
   updated: Diperbarui
-  timeago:
-    day: hari yang lalu
-    hour: jam yang lalu
-    minute: menit yang lalu
-    just_now: baru saja
   words: kata
   pageview_measure: dilihat
   read_time:

_data/locales/ko-KR.yml

@@ -0,0 +1,79 @@
+# The layout text of site
+
+# ----- Commons label -----
+
+layout:
+  post: 포스트
+  category: 카테고리
+  tag: 태그
+
+# The tabs of sidebar
+tabs:
+  # format: <filename_without_extension>: <value>
+  home: 홈
+  categories: 카테고리
+  tags: 태그
+  archives: 아카이브
+  about: 정보
+
+# the text displayed in the search bar & search results
+search:
+  hint: 검색
+  cancel: 취소
+  no_results: 검색 결과가 없습니다.
+
+panel:
+  lastmod: 최근 업데이트
+  trending_tags: 인기 태그
+  toc: 바로가기
+
+copyright:
+  # Shown at the bottom of the post
+  license:
+    template: 이 기사는 저작권자의 :LICENSE_NAME 라이센스를 따릅니다.
+    name: CC BY 4.0
+    link: https://creativecommons.org/licenses/by/4.0/
+
+  # Displayed in the footer
+  brief: 일부 권리 보유
+  verbose: >-
+    명시되지 않는 한 이 사이트의 블로그 게시물은 작성자의
+    Creative Commons Attribution 4.0 International(CC BY 4.0) 라이선스에 따라 사용이 허가되었습니다.
+
+meta: Powered by :PLATFORM with :THEME theme.
+
+not_found:
+  statment: 해당 URL은 존재하지 않습니다.
+
+notification:
+  update_found: 새 버전의 콘텐츠를 사용할 수 있습니다.
+  update: 업데이트
+
+# ----- Posts related labels -----
+
+post:
+  written_by: By
+  posted: 게시
+  updated: 업데이트
+  words: 단어
+  pageview_measure: 조회
+  read_time:
+    unit: 분
+    prompt: 읽는 시간
+  relate_posts: 관련된 글
+  share: 공유하기
+  button:
+    next: 다음 글
+    previous: 이전 글
+    copy_code:
+      succeed: 복사되었습니다!
+    share_link:
+      title: 링크 복사하기
+      succeed: 링크가 복사되었습니다!
+  # pinned prompt of posts list on homepage
+  pin_prompt: 핀
+
+# categories page
+categories:
+  category_measure: 카테고리
+  post_measure: 포스트

_data/locales/my-MM.yml

@@ -0,0 +1,79 @@
+# The layout text of site
+
+# ----- Commons label -----
+
+layout:
+  post: ပို့စ်
+  category: ကဏ္ဍ
+  tag: နာမ(တက်ဂ်)
+
+# The tabs of sidebar
+tabs:
+  # format: <filename_without_extension>: <value>
+  home: အဓိကစာမျက်နှာ
+  categories: ကဏ္ဍများ
+  tags: နာမ(တက်ဂ်)များ
+  archives: မှတ်တမ်း​တိုက်
+  about: အကြောင်းအရာ
+
+# the text displayed in the search bar & search results
+search:
+  hint: ရှာဖွေမည်
+  cancel: ဖျက်သိမ်းမည်
+  no_results: အိုး! ဘာမှမရှိပါ
+
+panel:
+  lastmod: မကြာသေးမီကမွမ်းမံထားသည်
+  trending_tags: ခေတ်စားနေသည့်တက်ဂ်များ
+  toc: အကြောင်းအရာများ
+
+copyright:
+  # Shown at the bottom of the post
+  license:
+    template: ဤပို့စ်သည်စာရေးသူ၏ :LICENSE_NAME လိုင်စင်ရထားသည်။
+    name: CC BY 4.0
+    link: https://creativecommons.org/licenses/by/4.0/
+
+  # Displayed in the footer
+  brief: မူပိုင်ခွင့်အချို့ကို လက်ဝယ်ထားသည်။
+  verbose: >-
+    အခြားမှတ်သားထားချက်များမှလွဲ၍ ဤဆိုက်ရှိ ဘလော့ဂ်ပို့စ်များသည် စာရေးသူ၏
+    Creative Commons Attribution 4.0 International (CC BY 4.0) အောက်တွင် လိုင်စင်ရထားပါသည်။
+
+meta: Powered by :PLATFORM with :THEME theme.
+
+not_found:
+  statment: ဝမ်းနည်းပါသည်၊ ကျွန်ုပ်တို့သည် အဆိုပါ URL ကို မှားယွင်းစွာ နေရာချထားခြင်း သို့မဟုတ် ၎င်းသည် မရှိသောအရာကို ညွှန်ပြနေပါသည်။
+
+notification:
+  update_found: အကြောင်းအရာဗားရှင်းအသစ်ကို ရနိုင်ပါပြီ။
+  update: အပ်ဒိတ်
+
+# ----- Posts related labels -----
+
+post:
+  written_by: ကရေးသားခဲ့သည်။
+  posted: တင်ထားခဲ့သည်။
+  updated: မွမ်းမံထားခဲ့သည်။
+  words: စကားလုံးများ
+  pageview_measure: အမြင်များ
+  read_time:
+    unit: မိနစ်
+    prompt: ဖတ်ပါမည်
+  relate_posts: နောက်ထပ်ဖတ်ရန်
+  share: မျှဝေရန်
+  button:
+    next: အသစ်များ
+    previous: အဟောင်းများ
+    copy_code:
+      succeed: ကူးယူလိုက်ပြီ။
+    share_link:
+      title: လင့်ခ်ကို ကူးယူရန်
+      succeed: လင့်ခ်ကို ကူးယူလိုက်ပြီ။
+  # pinned prompt of posts list on homepage
+  pin_prompt: ချိတ်ထားသည်။
+
+# categories page
+categories:
+  category_measure: ကဏ္ဍများ
+  post_measure: ပို့စ်များ

_data/locales/pt-BR.yml

@@ -0,0 +1,79 @@
+# The layout text of site
+
+# ----- Commons label -----
+
+layout:
+  post: Post
+  category: Categoria
+  tag: Tag
+
+# The tabs of sidebar
+tabs:
+  # format: <filename_without_extension>: <value>
+  home: Home
+  categories: Categorias
+  tags: Tags
+  archives: Arquivos
+  about: Sobre
+
+# the text displayed in the search bar & search results
+search:
+  hint: Buscar
+  cancel: Cancelar
+  no_results: Oops! Nenhum resultado encontrado.
+
+panel:
+  lastmod: Atualizados recentemente
+  trending_tags: Trending Tags
+  toc: Conteúdo
+
+copyright:
+  # Shown at the bottom of the post
+  license:
+    template: Esta postagem está licenciada sob :LICENSE_NAME pelo autor.
+    name: CC BY 4.0
+    link: https://creativecommons.org/licenses/by/4.0/
+
+  # Displayed in the footer
+  brief: Alguns direitos reservados.
+  verbose: >-
+    Exceto onde indicado de outra forma, as postagens do blog neste site são licenciadas sob a 
+    Creative Commons Attribution 4.0 International (CC BY 4.0) License pelo autor.
+
+meta: Feito com :PLATFORM usando o tema :THEME.
+
+not_found:
+  statment: Desculpe, a página não foi encontrada.
+
+notification:
+  update_found: Uma nova versão do conteúdo está disponível.
+  update: atualização
+
+# ----- Posts related labels -----
+
+post:
+  written_by: Por
+  posted: Postado em
+  updated: Atualizado
+  words: palavras
+  pageview_measure: visualizações
+  read_time:
+    unit: min
+    prompt: " de leitura"
+  relate_posts: Leia também
+  share: Compartilhar
+  button:
+    next: Próximo
+    previous: Anterior
+    copy_code:
+      succeed: Copiado!
+    share_link:
+      title: Copie o link
+      succeed: Link copiado com sucesso!
+  # pinned prompt of posts list on homepage
+  pin_prompt: Fixado
+
+# categories page
+categories:
+  category_measure: categorias
+  post_measure: posts

_data/locales/ru-RU.yml

@@ -0,0 +1,79 @@
+# The layout text of site
+
+# ----- Commons label -----
+
+layout:
+  post: Публикация
+  category: Категория
+  tag: Тег
+
+# The tabs of sidebar
+tabs:
+  # format: <filename_without_extension>: <value>
+  home: Домашняя страница
+  categories: Категории
+  tags: Теги
+  archives: Архив
+  about: О сайте
+
+# the text displayed in the search bar & search results
+search:
+  hint: поиск
+  cancel: Отменить
+  no_results: Ох! Ничего не найдено.
+
+panel:
+  lastmod: Недавно обновлено
+  trending_tags: Популярные теги
+  toc: Содержание
+
+copyright:
+  # Shown at the bottom of the post
+  license:
+    template: Публикация защищена лицензией :LICENSE_NAME.
+    name: CC BY 4.0
+    link: https://creativecommons.org/licenses/by/4.0/
+
+  # Displayed in the footer
+  brief: Некоторые права защищены.
+  verbose: >-
+    Публикации на сайте защищены лицензией Creative Commons Attribution 4.0 International (CC BY 4.0),
+    если в тексте публикации не указано иное.
+
+meta: Powered by :PLATFORM with :THEME theme.
+
+not_found:
+  statment: Извините, эта ссылка указывает на ресурс который не существует.
+
+notification:
+  update_found: Доступна новая версия контента.
+  update: Обновлять
+
+# ----- Posts related labels -----
+
+post:
+  written_by: Автор
+  posted: Время публикации
+  updated: Обновлено
+  words: слов
+  pageview_measure: просмотров
+  read_time:
+    unit: минут
+    prompt: чтения
+  relate_posts: Вам также может быть интересно
+  share: Поделиться
+  button:
+    next: Предыдущая публикация
+    previous: Следующая публикация
+    copy_code:
+      succeed: Скопировано успешно!
+    share_link:
+      title: Скопировать ссылку
+      succeed: Ссылка успешно скопирована!
+  # pinned prompt of posts list on homepage
+  pin_prompt: Закреплено
+
+# categories page
+categories:
+  category_measure: категории
+  post_measure: публикации

_data/locales/uk-UA.yml

@@ -0,0 +1,79 @@
+# The layout text of site
+
+# ----- Commons label -----
+
+layout:
+  post: Публікація
+  category: Категорія
+  tag: Тег
+
+# The tabs of sidebar
+tabs:
+  # format: <filename_without_extension>: <value>
+  home: Домашня сторінка
+  categories: Категорії
+  tags: Теги
+  archives: Архів
+  about: Про сайт
+
+# the text displayed in the search bar & search results
+search:
+  hint: пошук
+  cancel: Скасувати
+  no_results: Ох! Нічого не знайдено.
+
+panel:
+  lastmod: Нещодавно оновлено
+  trending_tags: Популярні теги
+  toc: Зміст
+
+copyright:
+  # Shown at the bottom of the post
+  license:
+    template: Публікація захищена ліцензією :LICENSE_NAME.
+    name: CC BY 4.0
+    link: https://creativecommons.org/licenses/by/4.0/
+
+  # Displayed in the footer
+  brief: Деякі права захищено.
+  verbose: >-
+    Публікації на сайті захищено ліцензією Creative Commons Attribution 4.0 International (CC BY 4.0),
+    якщо інше не вказано в тексті.
+
+meta: Powered by :PLATFORM with :THEME theme.
+
+not_found:
+  statment: Вибачте, це посилання вказує на ресурс, що не існує.
+
+notification:
+  update_found: Доступна нова версія вмісту.
+  update: Оновлення
+
+# ----- Posts related labels -----
+
+post:
+  written_by: Автор
+  posted: Час публікації
+  updated: Оновлено
+  words: слів
+  pageview_measure: переглядів
+  read_time:
+    unit: хвилин
+    prompt: читання
+  relate_posts: Вас також може зацікавити
+  share: Поділитися
+  button:
+    next: Попередня публікація
+    previous: Наступна публікація
+    copy_code:
+      succeed: Успішно скопійовано!
+    share_link:
+      title: Скопіювати посилання
+      succeed: Посилання успішно скопійовано!
+  # pinned prompt of posts list on homepage
+  pin_prompt: Закріплено
+
+# categories page
+categories:
+  category_measure: категорії
+  post_measure: публікації

_data/locales/vi-VN.yml

@@ -0,0 +1,77 @@
+# The layout text of site
+
+# ----- Commons label -----
+
+layout:
+  post: Bài viết
+  category: Danh mục
+  tag: Thẻ
+
+# The tabs of sidebar
+tabs:
+  # format: <filename_without_extension>: <value>
+  home: Trang chủ
+  categories: Các danh mục
+  tags: Các thẻ
+  archives: Lưu trữ
+  about: Giới thiệu
+
+# the text displayed in the search bar & search results
+search:
+  hint: tìm kiếm
+  cancel: Hủy
+  no_results: Không có kết quả tìm kiếm.
+
+panel:
+  lastmod: Mới cập nhật
+  trending_tags: Các thẻ thịnh hành
+  toc: Mục lục
+
+copyright:
+  # Shown at the bottom of the post
+  license:
+    template: Bài viết này được cấp phép bởi tác giả theo giấy phép :LICENSE_NAME.
+    name: CC BY 4.0
+    link: https://creativecommons.org/licenses/by/4.0/
+
+  # Displayed in the footer
+  brief: Một số quyền được bảo lưu.
+  verbose: >-
+    Trừ khi có ghi chú khác, các bài viết đăng trên trang này được cấp phép bởi tác giả theo giấy phép Creative Commons Attribution 4.0 International (CC BY 4.0).
+meta: Trang web này được tạo bởi :PLATFORM với chủ đề :THEME.
+
+not_found:
+  statment: Xin lỗi, chúng tôi đã đặt nhầm URL hoặc đường dẫn trỏ đến một trang nào đó không tồn tại.
+
+notification:
+  update_found: Đã có phiên bản mới của nội dung.
+  update: Cập nhật
+
+# ----- Posts related labels -----
+
+post:
+  written_by: Viết bởi
+  posted: Đăng lúc
+  updated: Cập nhật lúc
+  words: từ
+  pageview_measure: lượt xem
+  read_time:
+    unit: phút
+    prompt: đọc
+  relate_posts: Bài viết liên quan
+  share: Chia sẻ
+  button:
+    next: Mới hơn
+    previous: Cũ hơn
+    copy_code:
+      succeed: Đã sao chép!
+    share_link:
+      title: Sao chép đường dẫn
+      succeed: Đã sao chép đường dẫn thành công!
+  # pinned prompt of posts list on homepage
+  pin_prompt: Bài ghim
+
+# categories page
+categories:
+  category_measure: danh mục
+  post_measure: bài viết

_data/locales/zh-CN.yml

@@ -27,14 +27,6 @@ panel:
   trending_tags: 热门标签
   toc: 文章内容
 
-#  The liquid date format › http://strftime.net/
-date_format:
-  tooltip: '%F, %R %z'
-  post:
-    long: '%F'
-    short: '%m-%d'
-    archive_month: '%m月'
-
 copyright:
   # Shown at the bottom of the post
   license:
@@ -51,20 +43,17 @@ meta: 本站由 :PLATFORM 生成，采用 :THEME 主题。
 
 not_found:
   statment: 抱歉，我们放错了该 URL，或者它指向了不存在的内容。
-  hint_template: :HEAD_BAK尝试再次查找它，或在:ARCHIVES_PAGE上搜索它。
-  head_back: 返回主页
-  archives_page: 归档页面
+
+notification:
+  update_found: 发现新版本的内容。
+  update: 更新
 
 # ----- Posts related labels -----
 
 post:
-  published: 发表于
+  written_by: 作者
+  posted: 发表于
   updated: 更新于
-  timeago:
-    day: 天前
-    hour: 小时前
-    minute: 分钟前
-    just_now: 刚刚
   words: 字
   pageview_measure: 次浏览
   read_time:

_data/share.yml

@@ -13,7 +13,7 @@ platforms:
   -
     type: Telegram
     icon: "fab fa-telegram"
-    link: "https://telegram.me/share?text=TITLE&url=URL"
+    link: "https://t.me/share/url?url=URL&text=TITLE"
 
   # Uncomment below if you need to.
   # -

_includes/assets-origin.html

@@ -0,0 +1,12 @@
+{% comment %} Site static assets origin {% endcomment %}
+{% assign origin = 'cross_origin' %}
+
+{% if site.assets.self_host.enabled %}
+  {% if site.assets.self_host.env %}
+    {% if site.assets.self_host.env == jekyll.environment %}
+      {% assign origin = 'self_host' %}
+    {% endif %}
+  {% else %}
+    {% assign origin = 'self_host' %}
+  {% endif %}
+{% endif %}

_includes/comments.html

@@ -0,0 +1,5 @@
+<!--  The comments switcher -->
+{% if page.comments and site.comments.active %}
+  {% capture path %}comments/{{ site.comments.active }}.html{% endcapture %}
+  {% include {{ path }} %}
+{% endif %}

_includes/comments/disqus.html

@@ -1,7 +1,6 @@
 <!--
   The Disqus lazy loading.
 -->
-
 <div id="disqus_thread" class="pt-2 pb-2">
   <p class="text-center text-muted small">
     Comments powered by <a href="https://disqus.com/">Disqus</a>.
@@ -9,6 +8,7 @@
 </div>
 
 <script type="text/javascript">
+
   var disqus_config = function () {
     this.page.url = '{{ page.url | absolute_url }}';
     this.page.identifier = '{{ page.url }}';
@@ -20,7 +20,7 @@
     if(entries[0].isIntersecting) {
         (function () {
             var d = document, s = d.createElement('script');
-            s.src = 'https://{{ site.disqus.shortname }}.disqus.com/embed.js';
+            s.src = 'https://{{ site.comments.disqus.shortname }}.disqus.com/embed.js';
             s.setAttribute('data-timestamp', +new Date());
             (d.head || d.body).appendChild(s);
         })();
@@ -46,8 +46,8 @@
 
   const modeToggle = document.querySelector(".mode-toggle");
 
-  if (modeToggle !== null) {
-    modeToggle.addEventListener('click', reloadDisqus);
+  if (typeof modeToggle !== "undefined") {
+    /*  modeToggle.addEventListener('click', reloadDisqus); // not pretty for 'color-scheme'  */
     window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', reloadDisqus);
   }
 

_includes/comments/giscus.html

@@ -0,0 +1,56 @@
+<!-- https://giscus.app/ -->
+<script type="text/javascript">
+  $(function () {
+    const origin = "https://giscus.app";
+    const iframe = "iframe.giscus-frame";
+    const lightTheme = "light";
+    const darkTheme = "dark_dimmed";
+    let initTheme = lightTheme;
+
+    if ($("html[data-mode=dark]").length > 0
+        || ($("html[data-mode]").length == 0
+            && window.matchMedia("(prefers-color-scheme: dark)").matches)) {
+      initTheme = darkTheme;
+    }
+
+    let giscusAttributes = {
+      "src": "https://giscus.app/client.js",
+      "data-repo": "{{ site.comments.giscus.repo}}",
+      "data-repo-id": "{{ site.comments.giscus.repo_id }}",
+      "data-category": "{{ site.comments.giscus.category }}",
+      "data-category-id": "{{ site.comments.giscus.category_id }}",
+      "data-mapping": "{{ site.comments.giscus.mapping | default: 'pathname' }}",
+      "data-reactions-enabled": "1",
+      "data-emit-metadata": "0",
+      "data-theme": initTheme,
+      "data-input-position": "{{ site.comments.giscus.input_position | default: 'bottom' }}",
+      "data-lang": "{{ site.comments.giscus.lang | default: lang }}",
+      "crossorigin": "anonymous",
+      "async": ""
+    };
+
+    let giscusScript = document.createElement("script");
+    Object.entries(giscusAttributes).forEach(([key, value]) => giscusScript.setAttribute(key, value));
+    document.getElementById("tail-wrapper").appendChild(giscusScript);
+
+    addEventListener("message", (event) => {
+      if (event.source === window && event.data &&
+            event.data.direction === ModeToggle.ID) {
+        /* global theme mode changed */
+        const mode = event.data.message;
+        const theme = (mode === ModeToggle.DARK_MODE ? darkTheme : lightTheme);
+
+        const message = {
+          setConfig: {
+            theme: theme
+          }
+        };
+
+        const giscus = document.querySelector(iframe).contentWindow;
+        giscus.postMessage({ giscus: message }, origin);
+      }
+
+    });
+
+  });
+</script>

_includes/comments/utterances.html

@@ -0,0 +1,51 @@
+<!-- https://utteranc.es/ -->
+<script src="https://utteranc.es/client.js"
+        repo="{{ site.comments.utterances.repo }}"
+        issue-term="{{ site.comments.utterances.issue_term }}"
+        crossorigin="anonymous"
+        async>
+</script>
+
+<script type="text/javascript">
+  $(function() {
+    const origin = "https://utteranc.es";
+    const iframe = "iframe.utterances-frame";
+    const lightTheme = "github-light";
+    const darkTheme = "github-dark";
+    let initTheme = lightTheme;
+
+    if ($("html[data-mode=dark]").length > 0
+        || ($("html[data-mode]").length == 0
+            && window.matchMedia("(prefers-color-scheme: dark)").matches)) {
+      initTheme = darkTheme;
+    }
+
+    addEventListener("message", (event) => {
+      let theme;
+
+      /* credit to <https://github.com/utterance/utterances/issues/170#issuecomment-594036347> */
+      if (event.origin === origin) {
+        /* page initial */
+        theme = initTheme;
+
+      } else if (event.source === window && event.data &&
+            event.data.direction === ModeToggle.ID) {
+        /* global theme mode changed */
+        const mode = event.data.message;
+        theme = (mode === ModeToggle.DARK_MODE ? darkTheme : lightTheme);
+
+      } else {
+        return;
+      }
+
+      const message = {
+        type: "set-theme",
+        theme: theme
+      };
+
+      const utterances = document.querySelector(iframe).contentWindow;
+      utterances.postMessage(message, origin);
+    });
+
+  });
+</script>

_includes/css-selector.html

@@ -1,15 +0,0 @@
-<!--
-  CSS selector for site.
--->
-
-<link rel="stylesheet" href="{{ '/assets/css/style.css' | relative_url }}">
-
-{% if site.toc and page.toc %}
-  <link rel="stylesheet"
-    href="https://cdn.jsdelivr.net/gh/afeld/bootstrap-toc@1.0.1/dist/bootstrap-toc.min.css">
-{% endif %}
-
-{% if page.layout == 'page' or page.layout == 'post' %}
-  <!-- Manific Popup -->
-  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/magnific-popup@1.1.0/dist/magnific-popup.min.css">
-{% endif %}

_includes/datetime.html

@@ -0,0 +1,21 @@
+<!--
+  Date format snippet
+  See: ${JS_ROOT}/utils/locale-dateime.js
+-->
+
+{% assign wrap_elem = include.wrap | default: 'em' %}
+
+{% if site.prefer_datetime_locale == 'en' or lang == 'en' %}
+  {% assign df_strftime = '%b %e, %Y' %}
+  {% assign df_dayjs = 'll' %}
+{% else %}
+  {% assign df_strftime = '%F' %}
+  {% assign df_dayjs = 'YYYY-MM-DD' %}
+{% endif %}
+
+<{{ wrap_elem }} class="{% if include.class %}{{ include.class }}{% endif %}"
+    data-ts="{{ include.date | date: '%s' }}"
+    data-df="{{ df_dayjs }}"
+    {% if include.tooltip %}data-toggle="tooltip" data-placement="bottom"{% endif %}>
+  {{ include.date | date: df_strftime }}
+</{{ wrap_elem }}>

_includes/footer.html

@@ -1,9 +1,7 @@
-<!--
-  The Footer
--->
+<!-- The Footer -->
 
-<footer class="d-flex w-100 justify-content-center">
-  <div class="d-flex justify-content-between align-items-center">
+<footer class="row pl-3 pr-3">
+  <div class="col-12 d-flex justify-content-between align-items-center text-muted pl-0 pr-0">
     <div class="footer-left">
       <p class="mb-0">
         © {{ 'now' | date: "%Y" }}
@@ -33,5 +31,6 @@
       </p>
     </div>
 
-  </div> <!-- div.d-flex -->
+  </div>
+
 </footer>

_includes/head.html

@@ -6,13 +6,12 @@
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
-  {% if page.layout == 'home' or page.layout == 'post' %}
+  <!-- Allow having a localized datetime different from the appearance language -->
+  {% if site.prefer_datetime_locale %}
+    <meta name="prefer-datetime-locale" content="{{ site.prefer_datetime_locale }}">
+  {% endif %}
 
-    <!-- i18n for `_javascript/utils/timeago.js` -->
-    <meta name="day-prompt" content="{{ site.data.locales[lang].post.timeago.day }}">
-    <meta name="hour-prompt" content="{{ site.data.locales[lang].post.timeago.hour }}">
-    <meta name="minute-prompt" content="{{ site.data.locales[lang].post.timeago.minute }}">
-    <meta name="justnow-prompt" content="{{ site.data.locales[lang].post.timeago.just_now }}">
+  {% if page.layout == 'home' or page.layout == 'post' %}
 
     {% if site.google_analytics.pv.proxy_endpoint %}
       <meta name="pv-proxy-endpoint" content="{{ site.google_analytics.pv.proxy_endpoint }}">
@@ -24,7 +23,30 @@
 
   {% endif %}
 
-  {% seo title=false %}
+  {% capture seo_tags %}
+    {% seo title=false %}
+  {% endcapture %}
+
+  {% if site.img_cdn and seo_tags contains 'og:image' %}
+    {% assign properties = 'og:image,twitter:image' | split: ',' %}
+
+    {% for prop in properties %}
+      {% if site.img_cdn contains '//' %}
+        <!-- `site.img_cdn` is a cross-origin URL -->
+        {% capture target %}<meta property="{{ prop }}" content="{{ site.url }}{% endcapture %}
+        {% capture replacement %}<meta property="{{ prop }}" content="{{ site.img_cdn }}{% endcapture %}
+      {% else %}
+        <!-- `site.img_cdn` is a local file path -->
+        {% capture target %}<meta property="{{ prop }}" content="{{ site.url }}{{ site.baseurl }}{% endcapture %}
+        {% assign replacement = target | append: site.img_cdn %}
+      {% endif %}
+
+      {% assign seo_tags = seo_tags | replace: target, replacement %}
+
+    {% endfor %}
+  {% endif %}
+
+  {{ seo_tags }}
 
   <title>
   {%- unless page.layout == "home" -%}
@@ -35,12 +57,24 @@
 
   {% include favicons.html %}
 
-  <!-- Google Fonts -->
-  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin="anonymous">
-  <link rel="dns-prefetch" href="https://fonts.gstatic.com">
+  {% if site.resources.ignore_env != jekyll.environment and site.resources.self_hosted %}
+
+    <link href="{{ site.data.assets[origin].webfonts | relative_url }}" rel="stylesheet">
+
+  {% else %}
+
+    {% for cdn in site.data.assets[origin].cdns %}
+      <link rel="preconnect" href="{{ cdn.url }}" {{ cdn.args }}>
+      <link rel="dns-prefetch" href="{{ cdn.url }}" {{ cdn.args }}>
+    {% endfor %}
+
+    <link rel="stylesheet" href="{{ site.data.assets[origin].webfonts | relative_url }}">
+
+  {% endif %}
 
   <!-- GA -->
-  {% if jekyll.environment == 'production' %}
+  {% 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">
 
@@ -49,27 +83,34 @@
 
     {% if site.google_analytics.pv.proxy_endpoint %}
       {% assign proxy_url = site.google_analytics.pv.proxy_endpoint
-        | replace: "https://", "" | split: "/" | first | prepend: "https://" %}
-
+          | replace: "https://", "" | split: "/" | first | prepend: "https://" %}
       <link rel="preconnect" href="{{ proxy_url }}" crossorigin="use-credentials">
       <link rel="dns-prefetch" href="{{ proxy_url }}">
     {% endif %}
   {% endif %}
 
-  <!-- jsDelivr CDN -->
-  <link rel="preconnect" href="https://cdn.jsdelivr.net">
-  <link rel="dns-prefetch" href="https://cdn.jsdelivr.net">
-
   <!-- Bootstrap -->
-  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/css/bootstrap.min.css">
+  <link rel="stylesheet" href="{{ site.data.assets[origin].bootstrap.css | relative_url}}">
 
   <!-- Font Awesome -->
-  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@5.11.2/css/all.min.css">
+  <link rel="stylesheet" href="{{ site.data.assets[origin].fontawesome.css | relative_url }}">
 
-  {% include css-selector.html %}
+  <link rel="stylesheet" href="{{ '/assets/css/style.css' | relative_url }}">
+
+  {% if site.toc and page.toc %}
+    <link rel="stylesheet" href="{{ site.data.assets[origin].bootstrap-toc.css | relative_url }}">
+  {% endif %}
+
+  {% if page.layout == 'page' or page.layout == 'post' %}
+    <!-- Manific Popup -->
+    <link rel="stylesheet" href="{{ site.data.assets[origin].magnific-popup.css | relative_url }}">
+  {% endif %}
 
   <!-- JavaScript -->
 
-  <script src="https://cdn.jsdelivr.net/npm/jquery@3/dist/jquery.min.js"></script>
+  <script src="{{ site.data.assets[origin].jquery.js | relative_url }}"></script>
 
+  {% unless site.theme_mode %}
+    {% include mode-toggle.html %}
+  {% endunless %}
 </head>

_includes/js-selector.html

@@ -4,17 +4,46 @@
 
 <!-- layout specified -->
 
-{% if page.layout == 'home' or page.layout == 'post' %}
+{% if page.layout == 'post' %}
   {% if site.google_analytics.pv.proxy_endpoint or site.google_analytics.pv.cache_path %}
     <!-- pv-report needs countup.js -->
-    <script async src="https://cdn.jsdelivr.net/npm/countup.js@1.9.3/dist/countUp.min.js"></script>
+    <script async src="{{ site.data.assets[origin].countup.js | relative_url }}"></script>
     <script defer src="{{ '/assets/js/dist/pvreport.min.js' | relative_url }}"></script>
   {% endif %}
 {% endif %}
 
 {% if page.layout == 'post' or page.layout == 'page' %}
-  <!-- image lazy-loading & popup -->
-  <script src="https://cdn.jsdelivr.net/combine/npm/lozad/dist/lozad.min.js,npm/magnific-popup@1/dist/jquery.magnific-popup.min.js,npm/clipboard@2/dist/clipboard.min.js"></script>
+  <!-- image lazy-loading & popup & clipboard -->
+  {% assign _urls = site.data.assets[origin].magnific-popup.js
+      | append: ',' | append: site.data.assets[origin].lozad.js
+      | append: ',' | append: site.data.assets[origin].clipboard.js
+  %}
+
+  {% include jsdelivr-combine.html urls=_urls %}
+
+{% endif %}
+
+{% if page.layout == 'home'
+    or page.layout == 'post'
+    or page.layout == 'archives'
+    or page.layout == 'category'
+    or page.layout == 'tag' %}
+
+  {% if site.prefer_datetime_locale %}
+    {% assign locale = site.prefer_datetime_locale | downcase %}
+  {% else %}
+    {% assign locale = site.lang | split: '-' | first %}
+  {% endif %}
+
+  {% assign _urls = site.data.assets[origin].dayjs.js.common
+      | append: ',' | append: site.data.assets[origin].dayjs.js.locale
+      | replace: ':LOCALE', locale
+      | append: ',' | append: site.data.assets[origin].dayjs.js.relativeTime
+      | append: ',' | append: site.data.assets[origin].dayjs.js.localizedFormat
+  %}
+
+  {% include jsdelivr-combine.html urls=_urls %}
+
 {% endif %}
 
 {% if page.layout == 'home'
@@ -22,12 +51,16 @@
     or page.layout == 'post'
     or page.layout == 'page' %}
   {% assign type = page.layout %}
+{% elsif page.layout == 'archives'
+    or page.layout == 'category'
+    or page.layout == 'tag' %}
+  {% assign type = "misc" %}
 {% else %}
   {% assign type = "commons" %}
 {% endif %}
 
-{% assign js = type | prepend: '/assets/js/dist/' | append: '.min.js' %}
-<script defer src="{{ js | relative_url }}"></script>
+{% capture script %}/assets/js/dist/{{ type }}.min.js{% endcapture %}
+<script defer src="{{ script | relative_url }}"></script>
 
 {% if page.math %}
   <!-- MathJax -->
@@ -46,22 +79,25 @@
     }
   };
   </script>
-  <script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
-  <script type="text/javascript" id="MathJax-script" async
-    src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js">
+  <script src="{{ site.data.assets[origin].polyfill.js | relative_url }}"></script>
+  <script id="MathJax-script" async src="{{ site.data.assets[origin].mathjax.js | relative_url }}">
   </script>
 {% endif %}
 
 <!-- commons -->
 
-<script src="https://cdn.jsdelivr.net/combine/npm/popper.js@1.16.1,npm/bootstrap@4/dist/js/bootstrap.min.js"></script>
+<script src="{{ site.data.assets[origin].bootstrap.js | relative_url }}"></script>
 
 {% if jekyll.environment == 'production' %}
   <!-- PWA -->
-  <script defer src="{{ '/app.js' | relative_url }}"></script>
+  {% if site.pwa.enabled %}
+    <script defer src="{{ '/app.js' | relative_url }}"></script>
+  {% else %}
+    <script defer src="{{ '/unregister.js' | relative_url }}"></script>
+  {% endif %}
 
   <!-- GA -->
-  {% if site.google_analytics.id %}
+  {% if site.google_analytics.id != empty and site.google_analytics.id %}
     {% include google-analytics.html %}
   {% endif %}
 

_includes/jsdelivr-combine.html

@@ -0,0 +1,32 @@
+{% assign urls = include.urls | split: ',' %}
+
+{% assign combined_urls = nil %}
+
+{% assign domain = 'https://cdn.jsdelivr.net/' %}
+
+{% for url in urls %}
+
+  {% if url contains domain %}
+    {% assign url_snippet = url | slice: domain.size, url.size %}
+
+    {% if combined_urls %}
+      {% assign combined_urls = combined_urls | append: ',' | append: url_snippet %}
+    {% else %}
+      {% assign combined_urls = domain | append: 'combine/' | append: url_snippet %}
+    {% endif %}
+
+  {% elsif url contains '//' %}
+
+    <script src="{{ url }}"></script>
+
+  {% else %}
+
+    <script src="{{ url | relative_url }}"></script>
+
+  {% endif %}
+
+{% endfor %}
+
+{% if combined_urls %}
+  <script src="{{ combined_urls }}"></script>
+{% endif %}

_includes/language-alias.html

@@ -41,8 +41,6 @@
     {{ 'Perl' }}
   {% when 'php','php3','php4','php5' %}
     {{ 'PHP' }}
-  {% when 'plaintext', 'text' %}
-    {{ 'Text' }}
   {% when 'py' %}
     {{ 'Python' }}
   {% when 'rb' %}
@@ -65,7 +63,7 @@
     {{ 'Vue.js' }}
   {% when 'yml' %}
     {{ 'YAML' }}
-  {% when 'css', 'html', 'scss', 'ssh', 'toml', 'xml', 'yaml' %}
+  {% when 'css', 'html', 'scss', 'ssh', 'toml', 'xml', 'yaml', 'json' %}
     {{ _lang | upcase }}
   {% else %}
     {{ _lang | capitalize }}

_includes/mermaid.html

@@ -2,13 +2,39 @@
   mermaid-js loader
 -->
 
-<script src="https://cdn.jsdelivr.net/npm/mermaid@8/dist/mermaid.min.js"></script>
+<script src="{{ site.data.assets[origin].mermaid.js | relative_url }}"></script>
+
 <script>
   $(function() {
+    function updateMermaid(event) {
+      if (event.source === window && event.data &&
+            event.data.direction === ModeToggle.ID) {
+
+        const mode = event.data.message;
+
+        if (typeof mermaid === "undefined") {
+          return;
+        }
+
+        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);
+        });
+
+        mermaid.initialize(config);
+        mermaid.init(undefined, ".mermaid");
+      }
+    }
+
     let initTheme = "default";
 
-    if ($("html[mode=dark]").length > 0
-      || ($("html[mode]").length == 0
+    if ($("html[data-mode=dark]").length > 0
+      || ($("html[data-mode]").length == 0
         && window.matchMedia("(prefers-color-scheme: dark)").matches ) ) {
       initTheme = "dark";
     }
@@ -25,5 +51,7 @@
     });
 
     mermaid.initialize(mermaidConf);
+
+    window.addEventListener("message", updateMermaid);
   });
 </script>

_includes/mode-toggle.html

@@ -2,14 +2,13 @@
   Switch the mode between dark and light.
 -->
 
-<i class="mode-toggle fas fa-adjust"></i>
-
 <script type="text/javascript">
-
   class ModeToggle {
     static get MODE_KEY() { return "mode"; }
+    static get MODE_ATTR() { return "data-mode"; }
     static get DARK_MODE() { return "dark"; }
     static get LIGHT_MODE() { return "light"; }
+    static get ID() { return "mode-toggle"; }
 
     constructor() {
       if (this.hasMode) {
@@ -24,10 +23,10 @@
         }
       }
 
-      var self = this;
+      let self = this;
 
       /* always follow the system prefers */
-      this.sysDarkPrefers.addListener(function() {
+      this.sysDarkPrefers.addEventListener("change", () => {
         if (self.hasMode) {
           if (self.isDarkMode) {
             if (!self.isSysDarkPrefer) {
@@ -43,34 +42,19 @@
           self.clearMode();
         }
 
-        self.updateMermaid();
+        self.notify();
+
       });
 
     } /* constructor() */
 
-
-    setDark() {
-      $('html').attr(ModeToggle.MODE_KEY, ModeToggle.DARK_MODE);
-      sessionStorage.setItem(ModeToggle.MODE_KEY, ModeToggle.DARK_MODE);
-    }
-
-    setLight() {
-      $('html').attr(ModeToggle.MODE_KEY, ModeToggle.LIGHT_MODE);
-      sessionStorage.setItem(ModeToggle.MODE_KEY, ModeToggle.LIGHT_MODE);
-    }
-
-    clearMode() {
-      $('html').removeAttr(ModeToggle.MODE_KEY);
-      sessionStorage.removeItem(ModeToggle.MODE_KEY);
-    }
-
     get sysDarkPrefers() { return window.matchMedia("(prefers-color-scheme: dark)"); }
 
     get isSysDarkPrefer() { return this.sysDarkPrefers.matches; }
 
-    get isDarkMode() { return this.mode == ModeToggle.DARK_MODE; }
+    get isDarkMode() { return this.mode === ModeToggle.DARK_MODE; }
 
-    get isLightMode() { return this.mode == ModeToggle.LIGHT_MODE; }
+    get isLightMode() { return this.mode === ModeToggle.LIGHT_MODE; }
 
     get hasMode() { return this.mode != null; }
 
@@ -79,67 +63,67 @@
     /* get the current mode on screen */
     get modeStatus() {
       if (this.isDarkMode
-        || (!this.hasMode && this.isSysDarkPrefer) ) {
+        || (!this.hasMode && this.isSysDarkPrefer)) {
         return ModeToggle.DARK_MODE;
       } else {
         return ModeToggle.LIGHT_MODE;
       }
     }
 
-    updateMermaid() {
-      if (typeof mermaid !== "undefined") {
-        let expectedTheme = (this.modeStatus === 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);
-        });
-
-        mermaid.initialize(config);
-        mermaid.init(undefined, ".mermaid");
-      }
+    setDark() {
+      $('html').attr(ModeToggle.MODE_ATTR, ModeToggle.DARK_MODE);
+      sessionStorage.setItem(ModeToggle.MODE_KEY, ModeToggle.DARK_MODE);
     }
 
-    flipMode() {
-      if (this.hasMode) {
-        if (this.isSysDarkPrefer) {
-          if (this.isLightMode) {
-            this.clearMode();
-          } else {
-            this.setLight();
-          }
+    setLight() {
+      $('html').attr(ModeToggle.MODE_ATTR, ModeToggle.LIGHT_MODE);
+      sessionStorage.setItem(ModeToggle.MODE_KEY, ModeToggle.LIGHT_MODE);
+    }
 
-        } else {
-          if (this.isDarkMode) {
-            this.clearMode();
-          } else {
-            this.setDark();
-          }
-        }
+    clearMode() {
+      $('html').removeAttr(ModeToggle.MODE_ATTR);
+      sessionStorage.removeItem(ModeToggle.MODE_KEY);
+    }
 
-      } else {
-        if (this.isSysDarkPrefer) {
-          this.setLight();
-        } else {
-          this.setDark();
-        }
-      }
-
-      this.updateMermaid();
-
-    } /* flipMode() */
+    /* Notify another plugins that the theme mode has changed */
+    notify() {
+      window.postMessage({
+        direction: ModeToggle.ID,
+        message: this.modeStatus
+      }, "*");
+    }
 
   } /* ModeToggle */
 
-  let toggle = new ModeToggle();
+  const toggle = new ModeToggle();
 
-  $(".mode-toggle").click(function() {
+  function flipMode() {
+    if (toggle.hasMode) {
+      if (toggle.isSysDarkPrefer) {
+        if (toggle.isLightMode) {
+          toggle.clearMode();
+        } else {
+          toggle.setLight();
+        }
 
-    toggle.flipMode();
+      } else {
+        if (toggle.isDarkMode) {
+          toggle.clearMode();
+        } else {
+          toggle.setDark();
+        }
+      }
 
-  });
+    } else {
+      if (toggle.isSysDarkPrefer) {
+        toggle.setLight();
+      } else {
+        toggle.setDark();
+      }
+    }
+
+    toggle.notify();
+
+  } /* flipMode() */
 
 </script>

_includes/no-zero-date.html

@@ -1,13 +0,0 @@
-{% comment %}
-  Remove the zero padding from a month/day string
-{% endcomment %}
-
-{% assign ret = include.date_str %}
-{% assign _first_chat = ret | slice: 0 %}
-
-{% if _first_chat == '0' %}
-  {% assign _last_idx = ret.size | minus: 1 %}
-  {% assign ret = ret | slice: 1, _last_idx %}
-{% endif %}
-
-{{ ret | replace: ' 0', ' ' }}

_includes/panel.html

@@ -1,59 +0,0 @@
-<!--
-  The Pannel on right side (Desktop views)
--->
-
-{% include lang.html %}
-
-<div id="panel-wrapper" class="col-xl-3 pl-2 text-muted topbar-down">
-
-  <div class="access">
-
-  {% include update-list.html %}
-
-  {% if update_list.size > 0 %}
-
-    <div id="access-lastmod" class="post">
-      <span>{{- site.data.locales[lang].panel.lastmod -}}</span>
-      <ul class="post-content pl-0 pb-1 ml-1 mt-2">
-
-      {% for item in update_list %}
-        {% assign index = item | split: "::" | last | plus: 0 %}
-        {% assign post = site.posts[index] %}
-        {% assign url = post.url | relative_url %}
-        <li><a href="{{ url }}">{{ post.title }}</a></li>
-      {% endfor %}
-
-      </ul>
-    </div> <!-- #access-lastmod -->
-
-  {% endif %}
-
-  {% include trending-tags.html %}
-
-  {% if trending_tags.size > 0 %}
-    <div id="access-tags">
-      <span>{{- site.data.locales[lang].panel.trending_tags -}}</span>
-      <div class="d-flex flex-wrap mt-3 mb-1 mr-3">
-
-      {% for tag_name in trending_tags %}
-        {% assign url = tag_name | slugify | url_encode | prepend: "/tags/" | append: "/" %}
-        <a class="post-tag" href="{{ url | relative_url }}">{{ tag_name }}</a>
-      {% endfor %}
-
-      </div>
-    </div>
-  {% endif %}
-  </div> <!-- .access -->
-
-  {% if include.toc %}
-    <!-- BS-toc.js will be loaded at medium priority -->
-    <script src="https://cdn.jsdelivr.net/gh/afeld/bootstrap-toc@1.0.1/dist/bootstrap-toc.min.js"></script>
-    <div id="toc-wrapper" class="pl-0 pr-4 mb-5">
-      <span class="pl-3 pt-2 mb-2">
-      {{- site.data.locales[lang].panel.toc -}}
-      </span>
-      <nav id="toc" data-toggle="toc"></nav>
-    </div>
-  {% endif %}
-
-</div> <!-- #panel-wrapper -->

_includes/post-nav.html

@@ -9,10 +9,10 @@
     <p>{{ page.previous.title }}</p>
   </a>
   {% else %}
-  <span class="btn btn-outline-primary disabled"
+  <div class="btn btn-outline-primary disabled"
     prompt="{{ site.data.locales[lang].post.button.previous }}">
     <p>-</p>
-  </span>
+  </div>
   {% endif %}
 
   {% if page.next.url %}
@@ -21,10 +21,10 @@
     <p>{{ page.next.title }}</p>
   </a>
   {% else %}
-  <span class="btn btn-outline-primary disabled"
+  <div class="btn btn-outline-primary disabled"
     prompt="{{ site.data.locales[lang].post.button.next }}">
     <p>-</p>
-  </span>
+  </div>
   {% endif %}
 
 </div>

_includes/post-paginator.html

@@ -2,7 +2,7 @@
   The paginator for post list on HomgPage.
 -->
 
-<ul class="pagination align-items-center mt-4 mb-0 pl-lg-2">
+<ul class="pagination align-items-center mt-4 mb-5 pl-lg-2">
   <!-- left arrow -->
   {% if paginator.previous_page %}
     {% assign prev_url = paginator.previous_page_path | relative_url %}
@@ -47,7 +47,7 @@
     {% if show %}
       <!-- show number -->
       <li class="page-item {% if i == paginator.page %} active{% endif %}">
-        <a class="page-link btn-box-shadow" href="{{ site.baseurl }}/{% if i > 1%}page{{ i }}/{% endif %}">{{ i }}</a>
+        <a class="page-link btn-box-shadow" href="{% if i > 1 %}{{ site.paginate_path | replace: ':num', i | relative_url }}{% else %}{{ '/' | relative_url }}{% endif %}">{{ i }}</a>
       </li>
     {% else %}
       <!-- hide number -->

_includes/post-sharing.html

@@ -6,7 +6,8 @@
   <span class="share-label text-muted mr-1">{{ site.data.locales[lang].post.share }}</span>
   <span class="share-icons">
     {% capture title %}{{ page.title }} - {{ site.title }}{% endcapture %}
-    {% assign url = page.url | absolute_url %}
+    {% assign title = title | url_encode %}
+    {% assign url = page.url | absolute_url | url_encode %}
 
     {% for share in site.data.share.platforms %}
       {% assign link = share.link | replace: 'TITLE', title | replace: 'URL', url %}
@@ -19,7 +20,7 @@
     <i id="copy-link" class="fa-fw fas fa-link small"
         data-toggle="tooltip" data-placement="top"
         title="{{ site.data.locales[lang].post.button.share_link.title }}"
-        title-succeed="{{ site.data.locales[lang].post.button.share_link.succeed }}">
+        data-title-succeed="{{ site.data.locales[lang].post.button.share_link.succeed }}">
     </i>
 
   </span>

_includes/read-time.html

@@ -22,9 +22,9 @@
 <!-- return element -->
 <span class="readtime" data-toggle="tooltip" data-placement="bottom"
   title="{{ words }} {{ site.data.locales[lang].post.words }}">
-  {{- read_time -}}{{" "}}{{- site.data.locales[lang].post.read_time.unit -}}
+  <em>{{- read_time -}}{{" "}}{{- site.data.locales[lang].post.read_time.unit -}}</em>
   {%- if include.prompt -%}
-    {% assign _prompt_words = read_prompt | number_of_words: 'auto' %}
-    {% unless _prompt_words > 1 %}{{" "}}{% endunless %}{{ read_prompt }}
+    {%- assign _prompt_words = read_prompt | number_of_words: 'auto' -%}
+    {%- unless _prompt_words > 1 -%}{{ " " }}{%- endunless -%}{{ read_prompt }}
   {%- endif -%}
 </span>

_includes/refactor-content.html

@@ -9,10 +9,11 @@
   we suround the markdown table with `<div class="table-wrapper">` and `</div>`
 -->
 
-{% if _content contains '<table>' %}
+{% if _content contains '<table' %}
   {% assign _content = _content
-    | replace: '<table>', '<div class="table-wrapper"><table>'
+    | replace: '<table', '<div class="table-wrapper"><table'
     | replace: '</table>', '</table></div>'
+    | replace: '<code><div class="table-wrapper">', '<code>'
     | replace: '</table></div></code>', '</table></code>'
   %}
 {% endif %}
@@ -38,63 +39,105 @@
   %}
 {% endif %}
 
-
 <!-- images -->
 
-{% if _content contains '<img src="' %}
-
-  <!-- add CDN prefix if it exists -->
-
-  {% if site.img_cdn != '' %}
-    {% assign img_path_replacement = '<img src="' | append: site.img_cdn | append: '/' %}
-  {% else %}
-    {% assign img_path_replacement = '<img src="' | append: site.baseurl | append: '/' %}
-  {% endif %}
-
-  {% assign _content = _content | replace: '<img src="/', img_path_replacement %}
-
-  <!-- lazy-load images <https://github.com/ApoorvSaxena/lozad.js#usage> -->
-
-  {% assign _content = _content | replace: '<img src="', '<img data-proofer-ignore data-src="' %}
-
-  <!-- add image placehoder to prevent layout reflow -->
+{% assign IMG_TAG = '<img ' %}
 
+{% if _content contains IMG_TAG %}
   {% assign _img_content = nil %}
+  {% assign _img_snippets = _content | split: IMG_TAG %}
 
-  {% assign _images = _content | split: '<img ' %}
-
-  {% for _img in _images %}
+  {% for _img_snippet in _img_snippets %}
     {% if forloop.first %}
-      {% assign _img_content = _img %}
+      {% assign _img_content = _img_snippet %}
       {% continue %}
     {% endif %}
 
     {% assign _width = nil %}
     {% assign _height = nil %}
-    {% assign _attrs = _img | split: '>' | first | split: ' ' %}
+    {% assign _src = nil %}
+
+    {% assign _left = _img_snippet | split: '>' | first %}
+    {% assign _right = _img_snippet | remove: _left %}
+
+    {% assign _left = _left | remove: ' /' %}
+    {% assign _left = _left | replace: ' w=', ' width=' | replace: ' h=', ' height=' %}
+    {% assign _attrs = _left | split: ' ' %}
 
     {% for _attr in _attrs %}
-      {% capture _key %}{{ _attr | split: '=' | first }}{% endcapture %}
-      {% capture _value %}{{ _attr | split: '=' | last | replace: '"', '' }}{% endcapture %}
+      {% assign _pair = _attr | split: '=' %}
+      {% if _pair.size < 2 %}
+        {% continue %}
+      {% endif %}
+
+      {% capture _key %}{{ _pair | first }}{% endcapture %}
+      {% capture _value %}{{ _pair | last | replace: '"', '' }}{% endcapture %}
 
       {% case _key %}
         {% when 'width' %}
           {% assign _width = _value %}
         {% when 'height' %}
           {% assign _height = _value %}
+        {% when 'src' %}
+          {% assign _src = _value %}
       {% endcase %}
 
-      {% if _width and _height %}
-        {% capture _svg %}data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 {{_width}} {{_height}}'%3E%3C/svg%3E{% endcapture %}
-        {% assign _img_content = _img_content | append: '<img src="' | append: _svg | append: '" ' | append: _img %}
+      {% if _width and _height and _src %}
         {% break %}
       {% endif %}
-
     {% endfor %}
 
-    {% unless _width and _height %}
-      {% assign _img_content = _img_content | append: '<img ' | append: _img %}
-    {% endunless %}
+    {% if _src %}
+      {% unless _src contains '://' %}
+
+        <!-- Add CDN URL -->
+        {% if site.img_cdn %}
+          {% if site.img_cdn contains '//' %}
+            {% assign _src_prefix = site.img_cdn %}
+          {% else %}
+            {% assign _src_prefix = site.img_cdn | relative_url %}
+          {% endif %}
+        {% else %}
+          {% assign _src_prefix = site.baseurl %}
+        {% endif %}
+
+        <!-- Add image path -->
+        {% if page.img_path %}
+          {% assign _path = page.img_path %}
+          {% assign last_char = _path | slice: -1 %}
+
+          {% unless last_char == '/' %}
+            {% assign _path = _path | append: '/' %}
+          {% endunless %}
+
+          {% assign _src_prefix = _src_prefix | append: _path %}
+        {% endif %}
+
+        {% assign _final_src = _src_prefix | append: _src %}
+        {% assign _left = _left | replace: _src, _final_src %}
+
+      {% endunless %}
+
+      <!-- lazy-load images <https://github.com/ApoorvSaxena/lozad.js#usage> -->
+
+      {% assign _left = _left | replace: 'src=', 'data-src=' %}
+
+    {% endif %}
+
+    <!-- Add SVG placehoder to prevent layout reflow -->
+
+    {% if _width and _height %}
+      {%- capture _svg -%}
+        src="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 {{ _width }} {{ _height }}'%3E%3C/svg%3E"
+      {%- endcapture -%}
+
+      {% assign _left =  _svg | append: ' ' | append: _left %}
+    {% endif %}
+
+    <!-- Bypass the HTML-proofer test -->
+    {% assign _left = _left | append: ' data-proofer-ignore' %}
+
+    {% assign _img_content = _img_content | append: IMG_TAG | append: _left | append: _right %}
 
   {% endfor %}
 
@@ -118,22 +161,22 @@
       {% assign _left = _snippet | split: '><' | last%}
 
       {% if _left contains 'file="' %}
-        {% assign _text = _left | split: 'file="' | last | split: '"' | first %}
+        {% assign _label_text = _left | split: 'file="' | last | split: '"' | first %}
         {% assign _label_icon = 'far fa-file-code' %}
       {% else %}
         {% assign _lang = _left | split: 'language-' | last | split: ' ' | first %}
-        {% capture _text %}{% include language-alias.html language=_lang %}{% endcapture %}
+        {% capture _label_text %}{% include language-alias.html language=_lang %}{% endcapture %}
         {% assign _label_icon = 'fas fa-code small' %}
       {% endif %}
 
       {% capture _label %}
-        <span text-data="{{ _text }}"><i class="fa-fw {{ _label_icon }}"></i></span>
+        <span data-label-text="{{ _label_text | strip }}"><i class="{{ _label_icon }}"></i></span>
       {% endcapture %}
 
       {% assign _new_content = _new_content | append: _snippet
           | append: '<div class="code-header">'
           | append: _label
-          | append: '<button aria-label="copy" title-succeed="'
+          | append: '<button aria-label="copy" data-title-succeed="'
           | append: site.data.locales[lang].post.button.copy_code.succeed
           | append: '"><i class="far fa-clipboard"></i></button></div>'
           | append: '<div class="highlight"><code>'
@@ -147,6 +190,92 @@
 
 {% endif %}
 
+<!-- Create heading anchors -->
+
+{% assign heading_levels = '2,3,4,5' | split: ',' %}
+{% assign _heading_content = _content %}
+
+{% for level in heading_levels %}
+  {% capture mark_start %}<h{{ level }} id="{% endcapture %}
+  {% capture mark_end %}</h{{ level }}>{% endcapture %}
+
+  {% if _heading_content contains mark_start %}
+    {% assign _new_content = nil %}
+    {% assign heading_snippets = _heading_content | split: mark_start %}
+
+    {% for snippet in heading_snippets %}
+      {% if forloop.first %}
+        {% assign _new_content = snippet %}
+        {% continue %}
+      {% endif %}
+
+      {% assign id = snippet | split: '"' | first %}
+      {% capture anchor %}<a href="#{{ id }}" class="anchor text-muted"><i class="fas fa-hashtag"></i></a>{% endcapture %}
+
+      {% assign left = snippet | split: mark_end | first %}
+      {% assign right = snippet | slice: left.size, snippet.size %}
+      {% assign left = left | replace: '">', '"><span class="mr-2">' | append: '</span>' %}
+
+      {% assign _new_content = _new_content | append: mark_start
+          | append: left | append: anchor | append: right
+      %}
+
+    {% endfor %}
+
+    {% assign _heading_content = _new_content %}
+
+  {% endif %}
+{% endfor %}
+
+{% assign _content = _heading_content %}
+
+<!-- Wrap prompt element of blockquote with the <div> tag -->
+
+{% assign blockquote_start = '<blockquote class=' %}
+{% assign blockquote_end = '</blockquote>' %}
+{% assign cls_prefix = 'prompt-' %}
+
+{% if _content contains blockquote_start %}
+
+  {% assign _prompt_content = nil %}
+  {% assign _prompt_snippets = _content | split: blockquote_start %}
+
+  {% for _snippet in _prompt_snippets %}
+
+    {% if forloop.first %}
+      {% assign _prompt_content =  _snippet %}
+      {% continue %}
+    {% endif %}
+
+    {% assign left = _snippet | split: blockquote_end | first %}
+    {% assign right = _snippet | slice: left.size, _snippet.size %}
+
+    {% assign cls_str = left | split: '>' | first %}
+    {% assign cls_array = cls_str | remove: '"' | split: ' ' %}
+    {% assign is_prompt = false %}
+
+    {% for cls in cls_array %}
+      {% if cls contains cls_prefix %}
+        {% assign is_prompt = true %}
+        {% break %}
+      {% endif %}
+    {% endfor %}
+
+    {% unless is_prompt %}
+      {% assign _prompt_content = _prompt_content | append: blockquote_start | append: _snippet %}
+      {% continue %}
+    {% endunless %}
+
+    {% assign left = left | slice: cls_str.size, left.size %}
+    {% assign left = cls_str | append: '><div' | append: left | append: '</div>' %}
+
+    {% assign _prompt_content = _prompt_content | append: blockquote_start | append: left | append: right %}
+
+  {% endfor %}
+
+  {% assign _content = _prompt_content %}
+
+{% endif %}
 
 <!-- return -->
 

_includes/related-posts.html

@@ -60,7 +60,6 @@
 {% assign less = TOTAL_SIZE | minus: index_list.size %}
 
 {% if less > 0 %}
-
   {% for i in (0..last_index) %}
     {% assign post = site.posts[i] %}
     {% if post.url != page.url  %}
@@ -74,10 +73,8 @@
       {% endunless %}
     {% endif %}
   {% endfor %}
-
 {% endif %}
 
-
 {% if index_list.size > 0 %}
   <div id="related-posts" class="mt-5 mb-2 mb-sm-4">
     <h3 class="pt-2 mt-1 mb-4 ml-1"
@@ -89,12 +86,12 @@
       <div class="card">
         <a href="{{ post.url | relative_url }}">
           <div class="card-body">
-            {% include timeago.html date=post.date class="small" %}
+            {% include datetime.html date=post.date class="small" %}
             <h3 class="pt-0 mt-1 mb-3" data-toc-skip>{{ post.title }}</h3>
             <div class="text-muted small">
               <p>
                 {% include no-linenos.html content=post.content %}
-                {{ content | markdownify | strip_html | truncate: 200 }}
+                {{ content | markdownify | strip_html | truncate: 200 | escape }}
               </p>
             </div>
           </div>

_includes/search-loader.html

@@ -16,7 +16,7 @@
 
 {% capture not_found %}<p class="mt-5">{{ site.data.locales[lang].search.no_results }}</p>{% endcapture %}
 
-<script src="https://cdn.jsdelivr.net/npm/simple-jekyll-search@1.10.0/dest/simple-jekyll-search.min.js"></script>
+<script src="{{ site.data.assets[origin].search.js | relative_url }}"></script>
 
 <script>
 SimpleJekyllSearch({

_includes/search-results.html

@@ -4,15 +4,7 @@
 <div id="search-result-wrapper" class="d-flex justify-content-center unloaded">
   <div class="col-12 col-sm-11 post-content">
     <div id="search-hints">
-      <h4 class="text-muted mb-4">{{ site.data.locales[lang].panel.trending_tags }}</h4>
-
       {% include trending-tags.html %}
-
-      {% for tag in trending_tags %}
-        {% capture url %}/tags/{{ tag | slugify | url_encode }}/{% endcapture %}
-        <a class="post-tag" href="{{ url | relative_url }}">{{ tag | replace: '-', ' ' }}</a>
-      {% endfor %}
-
     </div>
     <div id="search-results" class="d-flex flex-wrap justify-content-center text-muted mt-3"></div>
   </div>

_includes/sidebar.html

@@ -2,21 +2,21 @@
   The Side Bar
 -->
 
-<div id="sidebar" class="d-flex flex-column align-items-end" lang="{{lang}}">
+<div id="sidebar" class="d-flex flex-column align-items-end">
   <div class="profile-wrapper text-center">
     <div id="avatar">
-      <a href="{{ '/' | relative_url }}" alt="avatar" class="mx-auto">
-        {% if site.avatar != '' and site.avatar %}
+      <a href="{{ '/' | relative_url }}" class="mx-auto">
+        {% if site.avatar != empty and site.avatar %}
           {% capture avatar_url %}
-            {%- if site.avatar contains '://' -%}
+            {% if site.avatar contains '://' %}
               {{ site.avatar }}
-            {%- elsif site.img_cdn != '' and site.img_cdn -%}
+            {% elsif site.img_cdn != empty and site.img_cdn %}
               {{ site.avatar | prepend: site.img_cdn }}
-            {%- else -%}
+            {% else %}
               {{ site.avatar | relative_url }}
-            {%- endif -%}
+            {% endif %}
           {% endcapture %}
-          <img src="{{ avatar_url }}" alt="avatar" onerror="this.style.display='none'">
+          <img src="{{ avatar_url | strip }}" alt="avatar" onerror="this.style.display='none'">
         {% endif %}
       </a>
     </div>
@@ -53,6 +53,16 @@
 
   <div class="sidebar-bottom mt-auto d-flex flex-wrap justify-content-center align-items-center">
 
+    {% unless site.theme_mode %}
+      <button class="mode-toggle btn" aria-label="Switch Mode">
+        <i class="fas fa-adjust"></i>
+      </button>
+
+      {% if site.data.contact.size > 0 %}
+        <span class="icon-border"></span>
+      {% endif %}
+    {% endunless %}
+
     {% for entry in site.data.contact %}
       {% capture url %}
         {%- if entry.type == 'github' -%}
@@ -71,7 +81,6 @@
 
       {% if url %}
       <a href="{{ url }}" aria-label="{{ entry.type }}"
-        {% unless site.theme_mode %}class="order-{{ forloop.index | plus: 2 }}"{% endunless %}
         {% unless entry.noblank %}target="_blank" rel="noopener"{% endunless %}>
         <i class="{{ entry.icon }}"></i>
       </a>
@@ -79,16 +88,6 @@
 
     {% endfor %}
 
-    {% unless site.theme_mode %}
-      {% if site.data.contact.size > 0 %}
-        <span class="icon-border order-2"></span>
-      {% endif %}
-
-      <span id="mode-toggle-wrapper" class="order-1">
-        {% include mode-toggle.html %}
-      </span>
-    {% endunless %}
-
   </div> <!-- .sidebar-bottom -->
 
 </div><!-- #sidebar -->

_includes/timeago.html

@@ -1,27 +0,0 @@
-<!--
-  Date format snippet
-  See: /assets/js/_utils/timeage.js
--->
-
-{% assign tooltip_df = site.data.locales[lang].date_format.tooltip %}
-{% assign post_long_df = site.data.locales[lang].date_format.post.long %}
-{% assign post_short_df = site.data.locales[lang].date_format.post.short %}
-
-{% if include.preposition %}
-  {{ include.preposition }}
-{% endif %}
-<span class="timeago {% if include.class %}{{ include.class }}{% endif %}"
-  {% if include.tooltip %}
-    data-toggle="tooltip"
-    data-placement="bottom"
-    title="{{ include.date | date: tooltip_df }}"
-  {% endif %}>
-  {%- assign this_year = site.time | date: "%Y" -%}
-  {%- assign post_year = include.date | date: "%Y" -%}
-  {%- if post_year == this_year -%}
-    {{ include.date | date: post_short_df }}
-  {%- else -%}
-    {{ include.date | date: post_long_df }}
-  {%- endif -%}
-  <i class="unloaded">{{ include.date | date_to_xmlschema }}</i>
-</span>

_includes/toc.html

@@ -0,0 +1,16 @@
+{% assign enable_toc = false %}
+{% if site.toc and page.toc %}
+  {% if page.content contains '<h2' or page.content contains '<h3' %}
+    {% assign enable_toc = true %}
+  {% endif %}
+{% endif %}
+
+{% if enable_toc %}
+<!-- BS-toc.js will be loaded at medium priority -->
+<script src="{{ site.data.assets[origin].bootstrap-toc.js | relative_url }}"></script>
+
+<div id="toc-wrapper" class="pl-0 pr-4 mb-5">
+  <div class="panel-heading pl-3 pt-2 mb-2">{{- site.data.locales[lang].panel.toc -}}</div>
+  <nav id="toc" data-toggle="toc"></nav>
+</div>
+{% endif %}

_includes/topbar.html

@@ -2,8 +2,8 @@
   The Top Bar
 -->
 
-<div id="topbar-wrapper" class="row justify-content-center topbar-down">
-  <div id="topbar" class="col-11 d-flex h-100 align-items-center justify-content-between">
+<div id="topbar-wrapper">
+  <div id="topbar" class="container d-flex align-items-center justify-content-between h-100 pl-3 pr-3 pl-md-4 pr-md-4">
     <span id="breadcrumb">
 
     {% assign paths = page.url | split: '/' %}
@@ -50,7 +50,7 @@
     <div id="topbar-title">
       {% if page.layout == 'home' %}
         {{- site.data.locales[lang].title | default: site.title -}}
-      {% elsif page.collection == 'tabs' %}
+      {% elsif page.collection == 'tabs' or page.layout == 'page' %}
         {%- capture tab_key -%}{{ page.url | split: '/' }}{%- endcapture -%}
         {{- site.data.locales[lang].tabs[tab_key] | default: page.title -}}
       {% else %}
@@ -63,7 +63,6 @@
       <i class="fas fa-search fa-fw"></i>
       <input class="form-control" id="search-input" type="search"
         aria-label="search" autocomplete="off" placeholder="{{ site.data.locales[lang].search.hint | capitalize }}...">
-      <i class="fa fa-times-circle fa-fw" id="search-cleaner"></i>
     </span>
     <span id="search-cancel" >{{ site.data.locales[lang].search.cancel }}</span>
   </div>

_includes/trending-tags.html

@@ -34,3 +34,17 @@
     {% endif %}
   {% endfor %}
 {% endfor %}
+
+{% if trending_tags.size > 0 %}
+  <div id="access-tags">
+    <div class="panel-heading">{{- site.data.locales[lang].panel.trending_tags -}}</div>
+    <div class="d-flex flex-wrap mt-3 mb-1 mr-3">
+
+    {% for tag_name in trending_tags %}
+      {% assign url = tag_name | slugify | url_encode | prepend: "/tags/" | append: "/" %}
+      <a class="post-tag" href="{{ url | relative_url }}">{{ tag_name }}</a>
+    {% endfor %}
+
+    </div>
+  </div>
+{% endif %}

_includes/update-list.html

@@ -22,3 +22,19 @@
 {% for entry in all_list limit:MAX_SIZE %}
   {% assign update_list = update_list | push: entry %}
 {% endfor %}
+
+{% if update_list.size > 0 %}
+
+  <div id="access-lastmod" class="post">
+    <div class="panel-heading">{{- site.data.locales[lang].panel.lastmod -}}</div>
+    <ul class="post-content pl-0 pb-1 ml-1 mt-2">
+      {% for item in update_list %}
+        {% assign index = item | split: "::" | last | plus: 0 %}
+        {% assign post = site.posts[index] %}
+        {% assign url = post.url | relative_url %}
+      <li><a href="{{ url }}">{{ post.title }}</a></li>
+      {% endfor %}
+    </ul>
+  </div> <!-- #access-lastmod -->
+
+{% endif %}

_javascript/commons/mode-toggle.js

@@ -0,0 +1,13 @@
+/*
+ * Listener for theme mode toggle
+ */
+$(function() {
+  $(".mode-toggle").click((e) => {
+    const $target = $(e.target);
+    let $btn = ($target.prop("tagName") === "button".toUpperCase() ?
+      $target : $target.parent());
+
+    $btn.blur(); // remove the clicking outline
+    flipMode();
+  });
+});

_javascript/commons/scroll-helper.js

@@ -0,0 +1,36 @@
+/**
+ * A tool for smooth scrolling and topbar switcher
+ */
+const ScrollHelper = (function () {
+  const $body = $("body");
+  const ATTR_TOPBAR_VISIBLE = "data-topbar-visible";
+  const topbarHeight = $("#topbar-wrapper").outerHeight();
+
+  let scrollUpCount = 0; // the number of times the scroll up was triggered by ToC or anchor
+  let topbarLocked = false;
+  let orientationLocked = false;
+
+  return {
+    hideTopbar: () => $body.attr(ATTR_TOPBAR_VISIBLE, false),
+    showTopbar: () => $body.attr(ATTR_TOPBAR_VISIBLE, true),
+
+    // scroll up
+
+    addScrollUpTask: () => {
+      scrollUpCount += 1;
+      if (!topbarLocked) { topbarLocked = true; }
+    },
+    popScrollUpTask: () => scrollUpCount -= 1,
+    hasScrollUpTask: () => scrollUpCount > 0,
+    topbarLocked: () => topbarLocked === true,
+    unlockTopbar: () => topbarLocked = false,
+    getTopbarHeight: () => topbarHeight,
+
+    // orientation change
+
+    orientationLocked: () => orientationLocked === true,
+    lockOrientation: () => orientationLocked = true,
+    unLockOrientation: () => orientationLocked = false
+  };
+
+}());

_javascript/commons/search-display.js

@@ -3,12 +3,9 @@
 */
 
 $(function() {
-
   const btnSbTrigger = $("#sidebar-trigger");
   const btnSearchTrigger = $("#search-trigger");
   const btnCancel = $("#search-cancel");
-  const btnClear = $("#search-cleaner");
-
   const main = $("#main");
   const topbarTitle = $("#topbar-title");
   const searchWrapper = $("#search-wrapper");
@@ -33,8 +30,7 @@ $(function() {
     };
   }());
 
-
-  /*--- Actions in small screens (Sidebar unloaded) ---*/
+  /*--- Actions in mobile screens (Sidebar hidden) ---*/
 
   const mobileSearchBar = (function () {
     return {
@@ -75,7 +71,6 @@ $(function() {
             hints.removeClass("unloaded");
           }
           resultWrapper.addClass("unloaded");
-          btnClear.removeClass("visible");
           main.removeClass("unloaded");
 
           // now the release method must be called after $(#main) display
@@ -92,7 +87,6 @@ $(function() {
 
   }());
 
-
   function isMobileView() {
     return btnCancel.hasClass("loaded");
   }
@@ -116,38 +110,20 @@ $(function() {
     searchWrapper.removeClass("input-focus");
   });
 
-  input.on("keyup", function(e) {
-    if (e.keyCode === 8 && input.val() === "") {
-      if (!isMobileView()) {
-        resultSwitch.off();
-      } else {
+  input.on("input", () => {
+    if (input.val() === "") {
+      if (isMobileView()) {
         hints.removeClass("unloaded");
+      } else {
+        resultSwitch.off();
       }
+
     } else {
-      if (input.val() !== "") {
-        resultSwitch.on();
-
-        if (!btnClear.hasClass("visible")) {
-          btnClear.addClass("visible");
-        }
-
-        if (isMobileView()) {
-          hints.addClass("unloaded");
-        }
+      resultSwitch.on();
+      if (isMobileView()) {
+        hints.addClass("unloaded");
       }
     }
   });
 
-  btnClear.on("click", function() {
-    input.val("");
-    if (isMobileView()) {
-      hints.removeClass("unloaded");
-      results.empty();
-    } else {
-      resultSwitch.off();
-    }
-    input.focus();
-    btnClear.removeClass("visible");
-  });
-
 });

_javascript/commons/topbar-switch.js

@@ -1,69 +0,0 @@
-/*
- * Hide Header on scroll down
- */
-
-$(function() {
-
-  const topbarWrapper = $("#topbar-wrapper");
-  const toc = $("#toc-wrapper");
-  const access = $(".access");
-  const searchInput = $("#search-input");
-
-  let didScroll;
-  let lastScrollTop = 0;
-
-  const delta = 5;
-  const topbarHeight = topbarWrapper.outerHeight();
-
-  function hasScrolled() {
-    var st = $(this).scrollTop();
-
-    /* Make sure they scroll more than delta */
-    if (Math.abs(lastScrollTop - st) <= delta) {
-      return;
-    }
-
-    if (st > lastScrollTop && st > topbarHeight) {
-      /* Scroll Down */
-      topbarWrapper.removeClass("topbar-down").addClass("topbar-up");
-
-      if (toc.length > 0) {
-        toc.removeClass("topbar-down");
-      }
-
-      if (access.length > 0) {
-        access.removeClass("topbar-down");
-      }
-
-      if (searchInput.is(":focus")) {
-        searchInput.blur(); /* remove focus */
-      }
-
-    } else if (st + $(window).height() < $(document).height()) {
-      /* Scroll Up */
-      topbarWrapper.removeClass("topbar-up").addClass("topbar-down");
-      if (toc.length > 0) {
-        toc.addClass("topbar-down");
-      }
-      if (access.length > 0) {
-        access.addClass("topbar-down");
-      }
-    }
-
-    lastScrollTop = st;
-  }
-
-  $(window).scroll(function(event) {
-    if ($("#topbar-title").is(":hidden")) { /* Not in small screens */
-      didScroll = true;
-    }
-  });
-
-  setInterval(function() {
-    if (didScroll) {
-      hasScrolled();
-      didScroll = false;
-    }
-  }, 250);
-
-});

_javascript/commons/topbar-switcher.js

@@ -0,0 +1,90 @@
+/*
+ * Hide Header on scroll down
+ */
+
+$(function() {
+  const $searchInput = $("#search-input");
+  const delta = ScrollHelper.getTopbarHeight();
+
+  let didScroll;
+  let lastScrollTop = 0;
+
+  function hasScrolled() {
+    let st = $(this).scrollTop();
+
+    /* Make sure they scroll more than delta */
+    if (Math.abs(lastScrollTop - st) <= delta) {
+      return;
+    }
+
+    if (st > lastScrollTop ) { // Scroll Down
+      ScrollHelper.hideTopbar();
+
+      if ($searchInput.is(":focus")) {
+        $searchInput.blur(); /* remove focus */
+      }
+
+    } else  { // Scroll up
+      // has not yet scrolled to the bottom of the screen, that is, there is still space for scrolling
+      if (st + $(window).height() < $(document).height()) {
+
+        if (ScrollHelper.hasScrollUpTask()) {
+          return;
+        }
+
+        if (ScrollHelper.topbarLocked()) { // avoid redundant scroll up event from smooth scrolling
+          ScrollHelper.unlockTopbar();
+        } else {
+          if (ScrollHelper.orientationLocked()) { // avoid device auto scroll up on orientation change
+            ScrollHelper.unLockOrientation();
+          } else {
+            ScrollHelper.showTopbar();
+          }
+        }
+      }
+    }
+
+    lastScrollTop = st;
+
+  } // hasScrolled()
+
+  function handleLandscape() {
+    if ($(window).scrollTop() === 0) {
+      return;
+    }
+    ScrollHelper.lockOrientation();
+    ScrollHelper.hideTopbar();
+  }
+
+  if (screen.orientation) {
+    screen.orientation.onchange = () => {
+      const type = screen.orientation.type;
+      if (type ===  "landscape-primary" || type === "landscape-secondary") {
+        handleLandscape();
+      }
+    };
+
+  } else {
+    // for the browsers that not support `window.screen.orientation` API
+    $(window).on("orientationchange",() => {
+      if ($(window).width() < $(window).height()) { // before rotating, it is still in portrait mode.
+        handleLandscape();
+      }
+    });
+  }
+
+  $(window).scroll(() => {
+    if (didScroll) {
+      return;
+    }
+    didScroll = true;
+  });
+
+  setInterval(() => {
+    if (didScroll) {
+      hasScrolled();
+      didScroll = false;
+    }
+  }, 250);
+
+});

_javascript/commons/topbar-title.js

@@ -1,46 +1,66 @@
 /*
- * Top bar title auto change while scrolling in mobile screens.
+ * Top bar title auto change while scrolling up/down in mobile screens.
 */
 
 $(function() {
+  const titleSelector = "div.post>h1:first-of-type";
+  const $pageTitle = $(titleSelector);
+  const $topbarTitle = $("#topbar-title");
 
-  const topbarTitle = $("#topbar-title");
-  const postTitle = $("div.post>h1");
+  if ($pageTitle.length === 0 /* on Home page */
+      || $pageTitle.hasClass("dynamic-title")
+      || $topbarTitle.is(":hidden")) {/* not in mobile views */
+    return;
+  }
 
-  const DEFAULT = topbarTitle.text().trim();
-
-  let title = (postTitle.length > 0) ?
-    postTitle.text().trim() : $("h1").text().trim();
+  const defaultTitleText = $topbarTitle.text().trim();
+  let pageTitleText = $pageTitle.text().trim();
+  let hasScrolled = false;
+  let lastScrollTop = 0;
 
   if ($("#page-category").length || $("#page-tag").length) {
     /* The title in Category or Tag page will be "<title> <count_of_posts>" */
-    if (/\s/.test(title)) {
-      title = title.replace(/[0-9]/g, "").trim();
+    if (/\s/.test(pageTitleText)) {
+      pageTitleText = pageTitleText.replace(/[0-9]/g, "").trim();
     }
   }
 
-  /* Replace topbar title while scroll screens. */
-  $(window).scroll(function () {
-    if ($("#post-list").length /* in Home page */
-      || postTitle.is(":hidden") /* is tab pages */
-      || topbarTitle.is(":hidden") /* not mobile screens */
-      || $("#sidebar.sidebar-expand").length) { /* when the sidebar trigger is clicked */
-      return false;
+  // When the page is scrolled down and then refreshed, the topbar title needs to be initialized
+  if ($pageTitle.offset().top < $(window).scrollTop()) {
+    $topbarTitle.text(pageTitleText);
+  }
+
+  let options = {
+    rootMargin: '-48px 0px 0px 0px', // 48px equals to the topbar height (3rem)
+    threshold: [0, 1]
+  };
+
+  let observer = new IntersectionObserver((entries) => {
+    if (!hasScrolled) {
+      hasScrolled = true;
+      return;
     }
 
-    if ($(this).scrollTop() >= 95) {
-      if (topbarTitle.text() !== title) {
-        topbarTitle.text(title);
+    let curScrollTop = $(window).scrollTop();
+    let isScrollDown = lastScrollTop < curScrollTop;
+    lastScrollTop = curScrollTop;
+    let heading = entries[0];
+
+    if (isScrollDown) {
+      if (heading.intersectionRatio === 0) {
+        $topbarTitle.text(pageTitleText);
       }
     } else {
-      if (topbarTitle.text() !== DEFAULT) {
-        topbarTitle.text(DEFAULT);
+      if (heading.intersectionRatio === 1) {
+        $topbarTitle.text(defaultTitleText);
       }
     }
-  });
+  }, options);
 
-  /* Click title remove hover effect. */
-  topbarTitle.click(function() {
+  observer.observe(document.querySelector(titleSelector));
+
+  /* Click title will scroll to top */
+  $topbarTitle.click(function() {
     $("body,html").animate({scrollTop: 0}, 800);
   });
 

_javascript/copyright

@@ -1,5 +1,5 @@
 /*!
- * Chirpy v4.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy/)
+ * Chirpy v5.2.0 (https://github.com/cotes2020/jekyll-theme-chirpy/)
  * © 2019 Cotes Chung
  * MIT Licensed
  */

_javascript/utils/clipboard.js

@@ -10,6 +10,8 @@ $(function() {
   const btnSelector = '.code-header>button';
   const ICON_SUCCESS = 'fas fa-check';
   const ATTR_TIMEOUT = 'timeout';
+  const ATTR_TITLE_SUCCEED = 'data-title-succeed';
+  const ATTR_TITLE_ORIGIN = 'data-original-title';
   const TIMEOUT = 2000; // in milliseconds
 
   function isLocked(node) {
@@ -53,12 +55,12 @@ $(function() {
   const ICON_DEFAULT = getIcon(btnSelector);
 
   function showTooltip(btn) {
-    const succeedTitle = $(btn).attr('title-succeed');
-    $(btn).attr('data-original-title', succeedTitle).tooltip('show');
+    const succeedTitle = $(btn).attr(ATTR_TITLE_SUCCEED);
+    $(btn).attr(ATTR_TITLE_ORIGIN, succeedTitle).tooltip('show');
   }
 
   function hideTooltip(btn) {
-    $(btn).tooltip('hide').removeAttr('data-original-title');
+    $(btn).tooltip('hide').removeAttr(ATTR_TITLE_ORIGIN);
   }
 
   function setSuccessIcon(btn) {
@@ -115,14 +117,14 @@ $(function() {
 
     // Switch tooltip title
 
-    const defaultTitle = target.attr('data-original-title');
-    const succeedTitle = target.attr('title-succeed');
+    const defaultTitle = target.attr(ATTR_TITLE_ORIGIN);
+    const succeedTitle = target.attr(ATTR_TITLE_SUCCEED);
 
-    target.attr('data-original-title', succeedTitle).tooltip('show');
+    target.attr(ATTR_TITLE_ORIGIN, succeedTitle).tooltip('show');
     lock(target);
 
     setTimeout(() => {
-      target.attr('data-original-title', defaultTitle);
+      target.attr(ATTR_TITLE_ORIGIN, defaultTitle);
       unlock(target);
     }, TIMEOUT);
 

_javascript/utils/locale-datetime.js

@@ -0,0 +1,45 @@
+/**
+ * Update month/day to locale datetime
+ *
+ * Requirement: <https://github.com/iamkun/dayjs>
+ */
+
+/* A tool for locale datetime */
+const LocaleHelper = (function () {
+  const $preferLocale = $('meta[name="prefer-datetime-locale"]');
+  const locale = $preferLocale.length > 0 ?
+      $preferLocale.attr('content').toLowerCase() : $('html').attr('lang').substr(0, 2);
+  const attrTimestamp = 'data-ts';
+  const attrDateFormat = 'data-df';
+
+  return {
+    locale: () => locale,
+    attrTimestamp: () => attrTimestamp,
+    attrDateFormat: () => attrDateFormat,
+    getTimestamp: ($elem) => Number($elem.attr(attrTimestamp)),  // unix timestamp
+    getDateFormat: ($elem) => $elem.attr(attrDateFormat)
+  };
+
+}());
+
+$(function() {
+  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());
+
+    // setup tooltips
+    const tooltip = $(this).attr('data-toggle');
+    if (typeof tooltip === 'undefined' || tooltip !== 'tooltip') {
+      return;
+    }
+
+    const tooltipText = date.format('llll'); // see: https://day.js.org/docs/en/display/format#list-of-localized-formats
+    $(this).attr('data-original-title', tooltipText);
+  });
+});

_javascript/utils/smooth-scroll.js

@@ -8,74 +8,89 @@
 */
 
 $(function() {
+  const $topbarTitle = $("#topbar-title");
+  const REM = 16; // in pixels
+  const ATTR_SCROLL_FOCUS = "scroll-focus";
+
   $("a[href*='#']")
     .not("[href='#']")
     .not("[href='#0']")
     .click(function(event) {
+      if (this.pathname.replace(/^\//, "") !==
+            location.pathname.replace(/^\//, "")) {
+        return;
+      }
 
-      if (this.pathname.replace(/^\//, "") === location.pathname.replace(/^\//, "")) {
-        if (location.hostname === this.hostname) {
+      if (location.hostname !== this.hostname) {
+        return;
+      }
 
-          const REM = 16; /* 16px */
+      const hash = decodeURI(this.hash);
+      let toFootnoteRef = RegExp(/^#fnref:/).test(hash);
+      let toFootnote = toFootnoteRef ? false : RegExp(/^#fn:/).test(hash);
+      let selector = hash.includes(":") ? hash.replace(/\:/g, "\\:") : hash;
+      let $target = $(selector);
 
-          const hash = decodeURI(this.hash);
-          let isFnRef = RegExp(/^#fnref:/).test(hash);
-          let isFn = RegExp(/^#fn:/).test(hash);
-          let selector = hash.includes(":") ? hash.replace(/\:/, "\\:") : hash;
-          let target = $(selector);
+      let isMobileViews = $topbarTitle.is(":visible");
+      let isPortrait = $(window).width() < $(window).height();
 
-          if (target.length) {
-            event.preventDefault();
+      if (typeof $target === "undefined") {
+        return;
+      }
 
-            if (history.pushState) { /* add hash to URL */
-              history.pushState(null, null, hash);
-            }
+      event.preventDefault();
 
-            let curOffset = $(this).offset().top;
-            let destOffset = target.offset().top;
-            const scrollUp = (destOffset < curOffset);
-            const topbarHeight = $("#topbar-wrapper").outerHeight();
+      if (history.pushState) { /* add hash to URL */
+        history.pushState(null, null, hash);
+      }
 
-            if (scrollUp && isFnRef) {
-              /* Avoid the top-bar covering `fnref` when scrolling up
-                because `fnref` has no `%anchor`(see: module.scss) style. */
-              destOffset -= (topbarHeight + REM / 2);
-            }
+      let curOffset = $(window).scrollTop();
+      let destOffset = $target.offset().top -= REM / 2;
 
-            $("html,body").animate({
-              scrollTop: destOffset
-            }, 800, () => {
+      if (destOffset < curOffset) { // scroll up
+        ScrollHelper.hideTopbar();
+        ScrollHelper.addScrollUpTask();
 
-              const $target = $(target);
-              $target.focus();
+        if (isMobileViews && isPortrait) {
+          destOffset -= ScrollHelper.getTopbarHeight();
+        }
 
-              const SCROLL_MARK = "scroll-focus";
-
-              /* clean up old scroll mark */
-              if ($(`[${SCROLL_MARK}=true]`).length) {
-                $(`[${SCROLL_MARK}=true]`).attr(SCROLL_MARK, false);
-              }
-
-              /* Clean :target links */
-              if ($(":target").length) { /* element that visited by the URL with hash */
-                $(":target").attr(SCROLL_MARK, false);
-              }
-
-              /* set scroll mark to footnotes */
-              if (isFn || isFnRef) {
-                $target.attr(SCROLL_MARK, true);
-              }
-
-              if ($target.is(":focus")) { /* Checking if the target was focused */
-                return false;
-              } else {
-                $target.attr("tabindex", "-1"); /* Adding tabindex for elements not focusable */
-                $target.focus(); /* Set focus again */
-              }
-            });
-          }
+      } else { // scroll down
+        if (isMobileViews && isPortrait) {
+          destOffset -= ScrollHelper.getTopbarHeight();
         }
       }
 
+      $("html").animate({
+        scrollTop: destOffset
+      }, 500, () => {
+        $target.focus();
+
+        /* clean up old scroll mark */
+        if ($(`[${ATTR_SCROLL_FOCUS}=true]`).length) {
+          $(`[${ATTR_SCROLL_FOCUS}=true]`).attr(ATTR_SCROLL_FOCUS, false);
+        }
+
+        /* Clean :target links */
+        if ($(":target").length) { /* element that visited by the URL with hash */
+          $(":target").attr(ATTR_SCROLL_FOCUS, false);
+        }
+
+        /* set scroll mark to footnotes */
+        if (toFootnote || toFootnoteRef) {
+          $target.attr(ATTR_SCROLL_FOCUS, true);
+        }
+
+        if ($target.is(":focus")) { /* Checking if the target was focused */
+          return false;
+        } else {
+          $target.attr("tabindex", "-1"); /* Adding tabindex for elements not focusable */
+          $target.focus(); /* Set focus again */
+        }
+
+        if (ScrollHelper.hasScrollUpTask()) {
+          ScrollHelper.popScrollUpTask();
+        }
+      });
     }); /* click() */
 });

_javascript/utils/timeago.js

@@ -1,73 +0,0 @@
-/*
- * Calculate the Timeago
- */
-
-$(function() {
-
-  const timeagoElem = $(".timeago");
-
-  let toRefresh = timeagoElem.length;
-
-  let intervalId = void 0;
-
-  const dPrompt = $("meta[name=day-prompt]").attr("content");
-  const hrPrompt = $("meta[name=hour-prompt]").attr("content");
-  const minPrompt = $("meta[name=minute-prompt]").attr("content");
-  const justnowPrompt = $("meta[name=justnow-prompt]").attr("content");
-
-  function timeago(isoDate, dateStr) {
-    let now = new Date();
-    let past = new Date(isoDate);
-
-    if (past.getFullYear() !== now.getFullYear()
-        || past.getMonth() !== now.getMonth()) {
-      return dateStr;
-    }
-
-    let seconds = Math.floor((now - past) / 1000);
-
-    let day = Math.floor(seconds / 86400);
-    if (day >= 1) {
-      toRefresh -= 1;
-      return ` ${day} ${dPrompt}`;
-    }
-
-    let hour = Math.floor(seconds / 3600);
-    if (hour >= 1) {
-      return ` ${hour} ${hrPrompt}`;
-    }
-
-    let minute = Math.floor(seconds / 60);
-    if (minute >= 1) {
-      return ` ${minute} ${minPrompt}`;
-    }
-
-    return justnowPrompt;
-  }
-
-  function updateTimeago() {
-    $(".timeago").each(function() {
-      if ($(this).children("i").length > 0) {
-        let dateStr = $(this).clone().children().remove().end().text();
-        let node = $(this).children("i");
-        let iosDate = node.text(); /* ISO Date: "YYYY-MM-DDTHH:MM:SSZ" */
-        $(this).text(timeago(iosDate, dateStr));
-        $(this).append(node);
-      }
-    });
-
-    if (toRefresh === 0 && typeof intervalId !== "undefined") {
-      clearInterval(intervalId); /* stop interval */
-    }
-    return toRefresh;
-  }
-
-  if (toRefresh === 0) {
-    return;
-  }
-
-  if (updateTimeago() > 0) { /* run immediately */
-    intervalId = setInterval(updateTimeago, 60000); /* run every minute */
-  }
-
-});

_layouts/archives.html

@@ -5,8 +5,15 @@ layout: page
 
 {% include lang.html %}
 
-<div id="archives" class="pl-xl-2">
+{% if site.prefer_datetime_locale == 'en' or lang == 'en' %}
+  {% assign df_strftime_m = '%b' %}
+  {% assign df_dayjs_m = 'MMM' %}
+{% else %}
+  {% assign df_strftime_m = '/ %m' %}
+  {% assign df_dayjs_m = '/ MM' %}
+{% endif %}
 
+<div id="archives" class="pl-xl-2">
 {% for post in site.posts %}
   {% capture this_year %}{{ post.date | date: "%Y" }}{% endcapture %}
   {% capture pre_year %}{{ post.previous.date | date: "%Y" }}{% endcapture %}
@@ -18,11 +25,13 @@ layout: page
   {% endif %}
     <li>
       <div>
-        {% capture this_day %}{{ post.date | date: "%d" }}{% endcapture %}
-        {% capture _mth_df %}{{ site.data.locales[lang].date_format.post.archive_month }}{% endcapture %}
-        {% capture this_month %}{{ post.date | date: _mth_df }}{% endcapture %}
-        <span class="date day">{{ this_day }}</span>
-        <span class="date month small text-muted">{% include no-zero-date.html date_str=this_month %}</span>
+        {% assign ts = post.date | date: '%s' %}
+        <span class="date day" data-ts="{{ ts }}" data-df="DD">
+          {{ post.date | date: "%d" }}
+        </span>
+        <span class="date month small text-muted" data-ts="{{ ts }}" data-df="{{ df_dayjs_m }}">
+          {{ post.date | date: df_strftime_m }}
+        </span>
         <a href="{{ post.url | relative_url }}">{{ post.title }}</a>
       </div>
     </li>

_layouts/categories.html

@@ -47,10 +47,24 @@ layout: page
         <span class="text-muted small font-weight-light">
           {% if sub_categories_size > 0 %}
             {{ sub_categories_size }}
-            {{ site.data.locales[lang].categories.category_measure }},
+            {% if sub_categories_size > 1 %}
+              {{ site.data.locales[lang].categories.category_measure.plural
+                | default: site.data.locales[lang].categories.category_measure }}
+            {% else %}
+              {{ site.data.locales[lang].categories.category_measure.singular
+                | default: site.data.locales[lang].categories.category_measure }}
+            {% endif %},
+          {% endif %}
+
+          {{ top_posts_size }}
+
+          {% if top_posts_size > 1 %}
+            {{ site.data.locales[lang].categories.post_measure.plural
+              | default: site.data.locales[lang].categories.post_measure }}
+          {% else %}
+            {{ site.data.locales[lang].categories.post_measure.singular
+              | default: site.data.locales[lang].categories.post_measure }}
           {% endif %}
-            {{ top_posts_size }}
-            {{ site.data.locales[lang].categories.post_measure }}
         </span>
       </span>
 
@@ -83,7 +97,14 @@ layout: page
           {% assign posts_size = site.categories[sub_category] | size %}
           <span class="text-muted small font-weight-light">
             {{ posts_size }}
-            {{ site.data.locales[lang].categories.post_measure }}
+
+            {% if posts_size > 1 %}
+              {{ site.data.locales[lang].categories.post_measure.plural
+                | default: site.data.locales[lang].categories.post_measure }}
+            {% else %}
+              {{ site.data.locales[lang].categories.post_measure.singular
+                | default: site.data.locales[lang].categories.post_measure }}
+            {% endif %}
           </span>
         </li>
         {% endfor %}

_layouts/category.html

@@ -13,13 +13,11 @@ layout: page
   </h1>
 
   <ul class="post-content pl-0">
-    {% assign post_df = site.data.locales[lang].date_format.post.long %}
-
     {% for post in page.posts %}
     <li class="d-flex justify-content-between pl-md-3 pr-md-3">
       <a href="{{ post.url | relative_url }}">{{ post.title }}</a>
       <span class="dash flex-grow-1"></span>
-      <span class="text-muted small">{{ post.date | date: post_df }}</span>
+      {% include datetime.html date=post.date wrap='span' class='text-muted small' %}
     </li>
     {% endfor %}
   </ul>

_layouts/default.html

@@ -7,26 +7,28 @@ layout: compress
 
 {% include lang.html %}
 
+{% include assets-origin.html %}
+
 {% capture prefer_mode %}
   {% if site.theme_mode %}
-    mode="{{ site.theme_mode }}"
+    data-mode="{{ site.theme_mode }}"
   {% endif %}
 {% endcapture %}
 
-<html lang="{{ site.lang }}" {{ prefer_mode }}>
+<html lang="{{ site.lang }}"{{ prefer_mode }}>
 
   {% include head.html %}
 
-  <body data-spy="scroll" data-target="#toc">
+  <body data-spy="scroll" data-target="#toc" data-topbar-visible="true">
 
     {% include sidebar.html %}
 
     {% include topbar.html %}
 
-    <div id="main-wrapper">
-      <div id="main">
+    <div id="main-wrapper" class="d-flex justify-content-center">
+      <div id="main" class="container pl-xl-4 pr-xl-4">
 
-        {% include refactor-content.html content=content %}
+        {{ content }}
 
         {% include footer.html %}
 
@@ -46,6 +48,23 @@ layout: compress
       <i class="fas fa-angle-up"></i>
     </a>
 
+    {% if site.pwa.enabled %}
+      <div id="notification" class="toast" role="alert" aria-live="assertive" aria-atomic="true"
+        data-animation="true" data-autohide="false">
+        <div class="toast-header">
+          <button type="button" class="ml-2 ml-auto close" data-dismiss="toast" aria-label="Close">
+            <span aria-hidden="true">&times;</span>
+          </button>
+        </div>
+        <div class="toast-body text-center pt-0">
+          <p class="pl-2 pr-2 mb-3">{{ site.data.locales[lang].notification.update_found }}</p>
+          <button type="button" class="btn btn-primary" aria-label="Update">
+            {{ site.data.locales[lang].notification.update }}
+          </button>
+        </div>
+      </div>
+    {% endif %}
+
     {% include search-loader.html %}
 
     {% include js-selector.html %}

_layouts/home.html

@@ -6,7 +6,7 @@ layout: page
 {% include lang.html %}
 
 {% assign pinned = site.posts | where: "pin", "true" %}
-{% assign default = site.posts | where_exp: "item", "item.pin != true" %}
+{% assign default = site.posts | where_exp: "item", "item.pin != true and item.hidden != true" %}
 
 {% assign posts = "" | split: "" %}
 
@@ -23,7 +23,6 @@ layout: page
   {% assign pinned_num = 0 %}
 {% endif %}
 
-
 <!-- Get default posts -->
 
 {% assign default_beg = offset | minus: pinned.size %}
@@ -53,28 +52,28 @@ layout: page
     <div class="post-content">
       <p>
         {% include no-linenos.html content=post.content %}
-        {{ content | markdownify | strip_html | truncate: 200 }}
+        {{ content | markdownify | strip_html | truncate: 200 | escape }}
       </p>
     </div>
 
-    <div class="post-meta text-muted d-flex justify-content-between">
+    <div class="post-meta text-muted d-flex">
+      <div class="mr-auto">
 
-      <div>
         <!-- posted date -->
         <i class="far fa-calendar fa-fw"></i>
-        {% include timeago.html date=post.date tooltip=true %}
+        {% include datetime.html date=post.date %}
 
-        <!-- time to read -->
-        <i class="far fa-clock fa-fw"></i>
-        {% include read-time.html content=post.content %}
-
-        <!-- page views -->
-        {% if site.google_analytics.pv.proxy_endpoint or site.google_analytics.pv.cache_path %}
-        <i class="far fa-eye fa-fw"></i>
-        <span id="pv_{{-post.title-}}" class="pageviews">
-          <i class="fas fa-spinner fa-spin fa-fw"></i>
-        </span>
+        <!-- categories -->
+        {% if post.categories.size > 0 %}
+          <i class="far fa-folder-open fa-fw"></i>
+          <span>
+          {% for category in post.categories %}
+            {{ category }}
+            {%- unless forloop.last -%},{%- endunless -%}
+          {% endfor %}
+          </span>
         {% endif %}
+
       </div>
 
       {% if post.pin %}

_layouts/page.html

@@ -1,41 +1,64 @@
 ---
 layout: default
-# The page layout
 ---
 
+{% include lang.html %}
+
+{% include assets-origin.html %}
+
 <div class="row">
-  <div class="col-12 col-lg-11 col-xl-8">
-    <div id="page" class="post pb-5 pl-1 pr-1 pl-sm-2 pr-sm-2 pl-md-4 pr-md-4 mb-md-4">
-    {% if page.dynamic_title %}
+
+  <!-- core -->
+  <div id="core-wrapper" class="col-12 col-lg-11 col-xl-9 pr-xl-4">
+    <div class="post pl-1 pr-1 pl-md-2 pr-md-2">
+
+    {% capture _content %}
+      {% if layout.refactor or page.layout == 'page' %}
+        {% include refactor-content.html content=content %}
+      {% else %}
+        {{ content }}
+      {% endif %}
+    {% endcapture %}
+
+    {% if page.layout == 'page' or page.collection == 'tabs'%}
+      {% assign title = site.data.locales[lang].tabs[tab_key] | default: page.title %}
       <h1 class="dynamic-title">
-        {% if page.collection == 'tabs' %}
-          {%- capture tab_key -%}{{ page.url | split: '/' }}{%- endcapture -%}
-          {{- site.data.locales[lang].tabs[tab_key] | default: page.title -}}
-        {% else %}
-          {{- page.title -}}
-        {% endif %}
+        {{ title }}
       </h1>
       <div class="post-content">
-        {{ content }}
+        {{ _content }}
       </div>
     {% else %}
-      {{ content }}
+      {{ _content }}
     {% endif %}
-    </div> <!-- #page -->
-  </div><!-- .col-12 -->
 
-  {% include panel.html %}
+    </div>
+  </div> <!-- #core-wrapper -->
+
+  <!-- pannel -->
+  <div id="panel-wrapper" class="col-xl-3 pl-2 text-muted">
+
+    <div class="access">
+      {% include update-list.html %}
+      {% include trending-tags.html %}
+    </div>
+
+    {% for _include in layout.pannel_includes %}
+      {% assign _include_path = _include | append: '.html' %}
+      {% include {{ _include_path }} %}
+    {% endfor %}
+  </div>
 
 </div>
 
-{% if site.disqus.comments and page.comments %}
+<!-- tail -->
+{% if layout.tail_includes %}
 <div class="row">
-  <div class="col-12 col-lg-11 col-xl-8">
-    <div class="pl-1 pr-1 pl-sm-2 pr-sm-2 pl-md-4 pr-md-4">
-
-    {% include disqus.html %}
-
-    </div> <!-- .pl-1 pr-1 -->
-  </div> <!-- .col-12 -->
-</div> <!-- .row -->
+  <div id="tail-wrapper" class="col-12 col-lg-11 col-xl-9 pl-3 pr-3 pr-xl-4">
+    {% for _include in layout.tail_includes %}
+      {% assign _include_path = _include | append: '.html' %}
+      {% include {{ _include_path }} %}
+    {% endfor %}
+  </div>
+</div>
 {% endif %}

_layouts/post.html

@@ -1,143 +1,152 @@
 ---
-layout: default
-# The posts' layout
+layout: page
+refactor: true
+pannel_includes:
+  - toc
+tail_includes:
+  - related-posts
+  - post-nav
+  - comments
 ---
 
 {% include lang.html %}
 
-<div class="row">
+<h1 data-toc-skip>{{ page.title }}</h1>
 
-  <div id="post-wrapper" class="col-12 col-lg-11 col-xl-8">
+<div class="post-meta text-muted">
+    <!-- published date -->
+    <span>
+      {{ site.data.locales[lang].post.posted }}
+      {% include datetime.html date=page.date tooltip=true %}
+    </span>
 
-    <div class="post pl-1 pr-1 pl-sm-2 pr-sm-2 pl-md-4 pr-md-4">
-
-      <h1 data-toc-skip>{{ page.title }}</h1>
-
-      <div class="post-meta text-muted d-flex flex-column">
-        <!-- Published date and author -->
-        <div>
-          <span class="semi-bold">
-            {{ page.author | default: site.social.name }}
-          </span>
-          {% capture _preposition %}{{ site.data.locales[lang].post.published }}{% endcapture %}
-          {% include timeago.html date=page.date tooltip=true preposition=_preposition %}
-        </div>
-
-        <div>
-          <!-- lastmod -->
-          {% if page.last_modified_at %}
-          <span>
-            {{ site.data.locales[lang].post.updated }}
-            {% include timeago.html date=page.last_modified_at class="lastmod" tooltip=true %}
-          </span>
-          {% endif %}
-
-          <!-- read time -->
-          {% include read-time.html content=content prompt=true %}
-
-          <!-- page views -->
-          {% if site.google_analytics.pv.proxy_endpoint or site.google_analytics.pv.cache_path %}
-          <span id="pv" class="pageviews">
-            <i class="fas fa-spinner fa-spin fa-fw"></i>
-          </span>
-          {{ site.data.locales[lang].post.pageview_measure }}
-          {% endif %}
-
-        </div>
-
-      </div> <!-- .post-meta -->
-
-      <div class="post-content">
-
-        {% if page.image.src %}
-          <img src="{{ page.image.src }}"
-            class="preview-img"
-            alt="{{ page.image.alt | default: "Preview Image" }}"
-            {% if page.image.width %}width="{{ page.image.width }}"{% endif %}
-            {% if page.image.height %}height="{{ page.image.height }}"{% endif %}>
-        {% endif %}
-
-        {{ content }}
-
-      </div>
-
-      <div class="post-tail-wrapper text-muted">
-
-        <!-- categories -->
-        {% if page.categories.size > 0 %}
-
-        <div class="post-meta mb-3">
-          <i class="far fa-folder-open fa-fw mr-1"></i>
-          {% for category in page.categories %}
-            <a href='{{ site.baseurl }}/categories/{{ category | slugify | url_encode }}/'>{{ category }}</a>
-            {%- unless forloop.last -%}, {%- endunless -%}
-          {% endfor %}
-        </div>
-        {% endif %}
-
-        <!-- tags -->
-        {% if page.tags.size > 0 %}
-        <div class="post-tags">
-          <i class="fa fa-tags fa-fw mr-1"></i>
-          {% for tag in page.tags %}
-          <a href="{{ site.baseurl }}/tags/{{ tag | slugify | url_encode }}/"
-            class="post-tag no-text-decoration" >
-            {{- tag -}}
-          </a>
-          {% endfor %}
-          </div>
-        {% endif %}
-
-        <div class="post-tail-bottom
-          d-flex justify-content-between align-items-center mt-3 pt-5 pb-2">
-          <div class="license-wrapper">
-          {% if site.data.locales[lang].copyright.license.template %}
-            {% capture _replacement %}
-            <a href="{{ site.data.locales[lang].copyright.license.link }}">
-              {{ site.data.locales[lang].copyright.license.name }}
-            </a>
-            {% endcapture %}
-            {{ site.data.locales[lang].copyright.license.template | replace: ':LICENSE_NAME', _replacement }}
-          {% endif %}
-          </div>
-
-          {% include post-sharing.html %}
-
-        </div><!-- .post-tail-bottom -->
-
-      </div><!-- div.post-tail -->
-
-    </div> <!-- .post -->
-
-
-  </div> <!-- #post-wrapper -->
-
-  {% assign enable_toc = false %}
-
-  {% if site.toc and page.toc %}
-    {% if content contains '<h2' or content contains '<h3' %}
-      {% assign enable_toc = true %}
+    <!-- lastmod date -->
+    {% if page.last_modified_at %}
+    <span>
+      {{ site.data.locales[lang].post.updated }}
+      {% include datetime.html date=page.last_modified_at tooltip=true %}
+    </span>
     {% endif %}
+
+  {% if page.image.path %}
+    {% capture bg %}
+      {% unless page.image.no_bg %}{{ 'bg' }}{% endunless %}
+    {% endcapture %}
+
+    <div class="mt-3 mb-3">
+      <img src="{{ page.image.path }}" class="preview-img {{ bg | strip }}"
+        alt="{{ page.image.alt | default: "Preview Image" }}"
+
+      {% if page.image.width %}
+        width="{{ page.image.width }}"
+      {% elsif page.image.w %}
+        width="{{ page.image.w }}"
+      {% endif %}
+
+      {% if page.image.height %}
+        height="{{ page.image.height }}"
+      {% elsif page.image.h %}
+        height="{{ page.image.h }}"
+      {% endif %}>
+
+      {% if page.image.alt %}
+        <figcaption class="pt-2 pb-2">{{ page.image.alt }}</figcaption>
+      {% endif %}
+
+    </div>
   {% endif %}
 
-  {% include panel.html toc=enable_toc %}
+  <div class="d-flex justify-content-between">
+    <!-- author -->
+    <span>
+      {% capture author_name %}{{ site.data.authors[page.author].name | default: site.social.name }}{% endcapture %}
+      {% assign author_link = nil %}
 
-</div> <!-- .row -->
+      {% if page.author %}
+        {% assign author_link = site.data.authors[page.author].url %}
+      {% elsif author_name == site.social.name %}
+        {% assign author_link = site.social.links[0] %}
+      {% endif %}
 
-<div class="row">
-  <div class="col-12 col-lg-11 col-xl-8">
-    <div id="post-extend-wrapper" class="pl-1 pr-1 pl-sm-2 pr-sm-2 pl-md-4 pr-md-4">
+      {{ site.data.locales[lang].post.written_by }}
 
-    {% include related-posts.html %}
+      <em>
+        {% if author_link %}
+          <a href="{{ author_link }}">{{ author_name }}</a>
+        {% else %}
+        {{ author_name }}
+        {% endif %}
+      </em>
+    </span>
 
-    {% include post-nav.html %}
+    <div>
+      <!-- page views -->
+      {% if site.google_analytics.pv.proxy_endpoint or site.google_analytics.pv.cache_path %}
+      <span>
+        <em id="pv" class="pageviews">
+          <i class="fas fa-spinner fa-spin fa-fw"></i>
+        </em>
+        {{ site.data.locales[lang].post.pageview_measure }}
+      </span>
+      {% endif %}
 
-    {% if site.disqus.comments and page.comments %}
-      {% include disqus.html %}
-    {% endif %}
+      <!-- read time -->
+      {% include read-time.html content=content prompt=true %}
+    </div>
 
-    </div> <!-- #post-extend-wrapper -->
+  </div> <!-- .d-flex -->
 
-  </div> <!-- .col-* -->
+</div> <!-- .post-meta -->
 
-</div> <!-- .row -->
+<div class="post-content">
+  {{ content }}
+</div>
+
+<div class="post-tail-wrapper text-muted">
+
+  <!-- categories -->
+  {% if page.categories.size > 0 %}
+  <div class="post-meta mb-3">
+    <i class="far fa-folder-open fa-fw mr-1"></i>
+    {% for category in page.categories %}
+      <a href='{{ site.baseurl }}/categories/{{ category | slugify | url_encode }}/'>{{ category }}</a>
+      {%- unless forloop.last -%}, {%- endunless -%}
+    {% endfor %}
+  </div>
+  {% endif %}
+
+  <!-- tags -->
+  {% if page.tags.size > 0 %}
+  <div class="post-tags">
+    <i class="fa fa-tags fa-fw mr-1"></i>
+      {% for tag in page.tags %}
+      <a href="{{ site.baseurl }}/tags/{{ tag | slugify | url_encode }}/"
+          class="post-tag no-text-decoration" >
+        {{- tag -}}
+      </a>
+      {% endfor %}
+  </div>
+  {% endif %}
+
+  <div class="post-tail-bottom
+    d-flex justify-content-between align-items-center mt-3 pt-5 pb-2">
+    <div class="license-wrapper">
+
+      {% if site.data.locales[lang].copyright.license.template %}
+
+        {% capture _replacement %}
+        <a href="{{ site.data.locales[lang].copyright.license.link }}">
+          {{ site.data.locales[lang].copyright.license.name }}
+        </a>
+        {% endcapture %}
+
+        {{ site.data.locales[lang].copyright.license.template | replace: ':LICENSE_NAME', _replacement }}
+
+      {% endif %}
+    </div>
+
+    {% include post-sharing.html %}
+
+  </div><!-- .post-tail-bottom -->
+
+</div><!-- div.post-tail-wrapper -->

_layouts/tag.html

@@ -12,13 +12,11 @@ layout: page
     <span class="lead text-muted pl-2">{{ page.posts | size }}</span>
   </h1>
   <ul class="post-content pl-0">
-    {% assign post_df = site.data.locales[lang].date_format.post.long %}
-
     {% for post in page.posts %}
     <li class="d-flex justify-content-between pl-md-3 pr-md-3">
       <a href="{{ post.url | relative_url }}">{{ post.title }}</a>
       <span class="dash flex-grow-1"></span>
-      <span class="text-muted small">{{ post.date | date: post_df }}</span>
+      {% include datetime.html date=post.date wrap='span' class='text-muted small' %}
     </li>
     {% endfor %}
   </ul>

_layouts/tags.html

@@ -14,7 +14,9 @@ layout: page
 
   {% for t in sorted_tags %}
     <div>
-      <a class="tag" href="{{ site.baseurl }}/tags/{{ t | slugify | url_encode }}/">{{ t }}<span class="text-muted">{{ site.tags[t].size }}</span></a>
+      <a class="tag" href="{{ t | slugify | url_encode | prepend: '/tags/' | append: '/' | relative_url }}">
+        {{ t }}<span class="text-muted">{{ site.tags[t].size }}</span>
+      </a>
     </div>
   {% endfor %}
 

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

@@ -1,15 +1,16 @@
 ---
 title: Text and Typography
-author: Cotes Chung
+author: cotes
 date: 2019-08-08 11:33:00 +0800
 categories: [Blogging, Demo]
 tags: [typography]
 math: true
 mermaid: true
 image:
-  src: /commons/devices-mockup.png
+  path: /commons/devices-mockup.png
   width: 800
   height: 500
+  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.
@@ -52,8 +53,8 @@ Fluttering and dancing in the breeze.
 ### Unordered list
 
 - Chapter
-	- Section
-      - Paragraph
+  - Section
+    - Paragraph
 
 ### Task list
 
@@ -72,10 +73,23 @@ Sun
 Moon
 : the natural satellite of the earth, visible by reflected light from the sun
 
-
 ## Block Quote
 
-> This line to shows the Block Quote.
+> This line shows the _block quote_.
+
+## Prompts
+
+> An example showing the `tip` type prompt.
+{: .prompt-tip }
+
+> An example showing the `info` type prompt.
+{: .prompt-info }
+
+> An example showing the `warning` type prompt.
+{: .prompt-warning }
+
+> An example showing the `danger` type prompt.
+{: .prompt-danger }
 
 ## Tables
 
@@ -89,12 +103,10 @@ Moon
 
 <http://127.0.0.1:4000>
 
-
 ## Footnote
 
 Click the hook will locate the footnote[^footnote], and here is another footnote[^fn-nth-2].
 
-
 ## Images
 
 - Default (with caption)
@@ -141,7 +153,6 @@ _shadow effect (visible in light mode)_
   cherry :active, c, after b a, 1d
 ```
 
-
 ## Mathematics
 
 The mathematics powered by [**MathJax**](https://www.mathjax.org/):
@@ -152,11 +163,13 @@ When $a \ne 0$, there are two solutions to $ax^2 + bx + c = 0$ and they are
 
 $$ x = {-b \pm \sqrt{b^2-4ac} \over 2a} $$
 
-
 ## Inline code
 
 This is an example of `Inline Code`.
 
+## Filepath
+
+Here is the `/path/to/the/file.extend`{: .filepath}.
 
 ## Code block
 

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

@@ -1,15 +1,17 @@
 ---
 title: Writing a New Post
-author: Cotes Chung
+author: cotes
 date: 2019-08-08 14:10:00 +0800
 categories: [Blogging, Tutorial]
 tags: [writing]
 render_with_liquid: false
 ---
 
+This post will guide you how to write a post on _Chirpy_ theme. Even if you have previous experience with Jekyll, this article is worth reading, because many features require specific variables to be set.
+
 ## Naming and Path
 
-Create a new file named `YYYY-MM-DD-TITLE.EXTENSION` and put it in the `_posts/` of the root directory. Please note that the `EXTENSION` must be one of `md` and `markdown`.
+Create a new file named `YYYY-MM-DD-TITLE.EXTENSION`{: .filepath} and put it in the `_posts`{: .filepath} of the root directory. Please note that the `EXTENSION`{: .filepath} must be one of `md`{: .filepath} and `markdown`{: .filepath}. If you want to save time of creating files, please consider using the plugin [`Jekyll-Compose`](https://github.com/jekyll/jekyll-compose) to accomplish this.
 
 ## Front Matter
 
@@ -24,24 +26,52 @@ tags: [TAG]     # TAG names should always be lowercase
 ---
 ```
 
-> **Note**: The posts' ***layout*** has been set to `post` by default, so there is no need to add the variable ***layout*** in the Front Matter block.
+> The posts' _layout_ has been set to `post` by default, so there is no need to add the variable _layout_ in the Front Matter block.
+{: .prompt-tip }
 
-### Timezone of date
+### Timezone of Date
 
-In order to accurately record the release date of a post, you should not only set up the `timezone` of `_config.yml` but also provide the post's timezone in variable `date` of its Front Matter block. Format: `+/-TTTT`, e.g. `+0800`.
+In order to accurately record the release date of a post, you should not only set up the `timezone` of `_config.yml`{: .filepath} but also provide the post's timezone in variable `date` of its Front Matter block. Format: `+/-TTTT`, e.g. `+0800`.
 
 ### Categories and Tags
 
 The `categories` of each post are designed to contain up to two elements, and the number of elements in `tags` can be zero to infinity. For instance:
 
 ```yaml
+---
 categories: [Animal, Insect]
 tags: [bee]
+---
 ```
 
+### Author Information
+
+The author information of the post usually does not need to be filled in the _Front Matter_ , they will be obtained from variables `social.name` and the first entry of `social.links` of the configuration file by default. But you can also override it as follows:
+
+Add author information in `_data/authors.yml` (If your website doesn't have this file, don't hesitate to create one.)
+
+```yaml
+<author_id>:
+  name: <full name>
+  twitter: <twitter_of_author>
+  url: <homepage_of_author>
+```
+{: file="_data/authors.yml" }
+
+And then set up the custom author in the post's YAML block:
+
+```yaml
+---
+author: <author_id>
+---
+```
+
+> Another 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 }
+
 ## 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` 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/):
+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/):
 
 ```yaml
 ---
@@ -51,7 +81,9 @@ toc: false
 
 ## Comments
 
-Similar to TOC, the [Disqus](https://disqus.com/) comments are loaded by default in each post, and the global switch is defined by variable `comments` in file `_config.yml` . If you want to close the comment for a specific post, add the following to the **Front Matter** of the post:
+The global switch of comments is defined by variable `comments.active` in the file `_config.yml`{: .filepath}. After selecting a comment system for this variable, comments will be turned on for all posts.
+
+If you want to close the comment for a specific post, add the following to the **Front Matter** of the post:
 
 ```yaml
 ---
@@ -83,24 +115,7 @@ Then you can use it like other markdown languages: surround the graph code with
 
 ## Images
 
-### Preview image
-
-If you want to add an image to the top of the post contents, specify the attribute `src`, `width`, `height`, and `alt` for the image:
-
-```yaml
----
-image:
-  src: /path/to/image/file
-  width: 1000   # in pixels
-  height: 400   # in pixels
-  alt: image alternative text
----
-```
-
-Except for `alt`, all other options are necessary, especially the `width` and `height`, which are related to user experience and web page loading performance. Later section ["Image size"](#image-size) will also mention this.
-
-
-### Image caption
+### Caption
 
 Add italics to the next line of an image，then it will become the caption and appear at the bottom of the image:
 
@@ -110,7 +125,7 @@ _Image Caption_
 ```
 {: .nolineno}
 
-### Image size
+### Size
 
 In order to prevent the page content layout from shifting when the image is loaded, we should set the width and height for each image:
 
@@ -119,9 +134,19 @@ In order to prevent the page content layout from shifting when the image is load
 ```
 {: .nolineno}
 
-### Image position
+Starting from _Chirpy v5.0.0_, `height` and `width` support abbreviations (`height` → `h`, `width` → `w`). The following example has the same effect as the above:
 
-By default, the image is centered, but you can specify the position by using one of the classes `normal`, `left`, and `right`. For example:
+```markdown
+![Desktop View](/assets/img/sample/mockup.png){: w="700" h="400" }
+```
+{: .nolineno}
+
+### Position
+
+By default, the image is centered, but you can specify the position by using one of the classes `normal`, `left`, and `right`.
+
+> Once the position is specified, the image caption should not be added.
+{: .prompt-warning }
 
 - **Normal position**
 
@@ -146,9 +171,7 @@ By default, the image is centered, but you can specify the position by using one
   ```
   {: .nolineno}
 
-> **Limitation**: Once the position of the image is specified, the image caption should not be added.
-
-### Image shadow
+### Shadow
 
 The screenshots of the program window can be considered to show the shadow effect, and the shadow will be visible in the `light` mode:
 
@@ -159,7 +182,7 @@ 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` file:
+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:
 
 ```yaml
 img_cdn: https://cdn.com
@@ -182,6 +205,49 @@ The parsing result will automatically add the CDN prefix `https://cdn.com` befor
 ```
 {: .nolineno}
 
+### Image Path
+
+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:
+
+```yml
+---
+img_path: /img/path/
+---
+```
+{: .nolineno }
+
+And then, the image source of Markdown can write the file name directly:
+
+```md
+![The flower](flower.png)
+```
+{: .nolineno }
+
+The output will be:
+
+```html
+<img src="/img/path/flower.png" alt="The flower">
+```
+{: .nolineno }
+
+### Preview Image
+
+If you want to add an image to the top of the post contents, specify the attribute `path`, `width`, `height`, and `alt` for the image:
+
+```yaml
+---
+image:
+  path: /path/to/image/file
+  width: 1000   # in pixels
+  height: 400   # in pixels
+  alt: image alternative text
+---
+```
+
+Except for `alt`, all other options are necessary, especially the `width` and `height`, which are related to user experience and web page loading performance. The above section "[Size](#size)" also mentions this.
+
+Starting from _Chirpy v5.0.0_, the attributes `height` and `width` can be abbreviated: `height` → `h`, `width` → `w`. In addition, 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.
+
 ## Pinned Posts
 
 You can pin one or more posts to the top of the home page, and the fixed posts are sorted in reverse order according to their release date. Enable by:
@@ -192,15 +258,43 @@ pin: true
 ---
 ```
 
-## Code Block
+## Prompts
+
+There are several types of prompts: `tip`, `info`, `warning`, and `danger`. They can be generated by adding the class `prompt-{type}` to the blockquote. For example, define a prompt of type `info` as follows:
+
+```md
+> Example line for prompt.
+{: .prompt-info }
+```
+{: .nolineno }
+
+## Syntax
+
+### Inline Code
+
+```md
+`inline code part`
+```
+{: .nolineno }
+
+### Filepath Hightlight
+
+```md
+`/path/to/a/file.extend`{: .filepath}
+```
+{: .nolineno }
+
+### Code Block
 
 Markdown symbols ```` ``` ```` can easily create a code block as follows:
 
+````md
 ```
 This is a plaintext code snippet.
 ```
+````
 
-### Specifying Language
+#### Specifying Language
 
 Using ```` ```{language} ```` you will get a code block with syntax highlight:
 
@@ -210,22 +304,23 @@ key: value
 ```
 ````
 
-> **Limitation**: The Jekyll style `highlight` tag is not compatible with this theme.
+> The Jekyll tag `{% highlight %}` is not compatible with this theme.
+{: .prompt-danger }
 
-### Line Number
+#### Line Number
 
-By default, all languages except `plaintext`, `console`, and `terminal` will display line numbers. When you want to hide the line number of the code block, you can append `{: .nolineno}` at the next line:
+By default, all languages except `plaintext`, `console`, and `terminal` will display line numbers. When you want to hide the line number of a code block, add the class `nolineno` to it:
 
 ````markdown
 ```shell
 echo 'No more line numbers!'
 ```
-{: .nolineno}
+{: .nolineno }
 ````
 
-### Specifying the Filename
+#### Specifying the Filename
 
-You may have noticed that the code language will be displayed on the left side of the header of the code block. If you want to replace it with the file name, you can add the attribute `file` to achieve this:
+You may have noticed that the code language will be displayed at the top of the code block. If you want to replace it with the file name, you can add the attribute `file` to achieve this:
 
 ````markdown
 ```shell
@@ -234,7 +329,7 @@ You may have noticed that the code language will be displayed on the left side o
 {: file="path/to/file" }
 ````
 
-### Liquid Codes
+#### Liquid Codes
 
 If you want to display the **Liquid** snippet, surround the liquid code with `{% raw %}` and `{% endraw %}`:
 
@@ -253,4 +348,3 @@ Or adding `render_with_liquid: false` (Requires Jekyll 4.0 or higher) to the pos
 ## 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

@@ -1,6 +1,6 @@
 ---
 title: Getting Started
-author: Cotes Chung
+author: cotes
 date: 2019-08-09 20:55:00 +0800
 categories: [Blogging, Tutorial]
 tags: [getting started]
@@ -9,7 +9,7 @@ pin: true
 
 ## Prerequisites
 
-Follow the instructions in the [Jekyll Docs](https://jekyllrb.com/docs/installation/) to complete the installation of `Ruby`, `RubyGems`, `Jekyll`, and `Bundler`.
+Follow the instructions in the [Jekyll Docs](https://jekyllrb.com/docs/installation/) to complete the installation of `Ruby`, `RubyGems`, `Jekyll`, and `Bundler`. In addition, [Git](https://git-scm.com/) is also required to be installed.
 
 ## Installation
 
@@ -34,18 +34,18 @@ And then execute:
 $ bash tools/init.sh
 ```
 
-> **Note**: If you don't want to deploy your site on GitHub Pages, append option `--no-gh` at the end of the above command.
+> If you don't want to deploy your site on GitHub Pages, append option `--no-gh` at the end of the above command.
+{: .prompt-info }
 
 The above command will:
 
 1. Removes some files or directories from your repository:
-    - `.travis.yml`
-    - files under `_posts`
-    - folder `docs`
+    - `.travis.yml`{: .filepath}
+    - files under `_posts`{: .filepath}
 
-2. If the option `--no-gh` is provided, the directory `.github` will be deleted. Otherwise, set up the GitHub Action workflow by removing the extension `.hook` of `.github/workflows/pages-deploy.yml.hook`, and then remove the other files and directories in the folder `.github`.
+2. If the option `--no-gh` is provided, the directory `.github`{: .filepath} will be deleted. Otherwise, set up the GitHub Action workflow by removing the extension `.hook`{: .filepath} of `.github/workflows/pages-deploy.yml.hook`{: .filepath}, and then remove the other files and directories in the folder `.github`{: .filepath}.
 
-3. Removes item `Gemfile.lock` from `.gitignore`.
+3. Removes item `Gemfile.lock` from `.gitignore`{: .filepath}.
 
 4. Creates a new commit to save the changes automatically.
 
@@ -61,7 +61,7 @@ $ bundle
 
 ### Configuration
 
-Update the variables of `_config.yml` as needed. Some of them are typical options:
+Update the variables of `_config.yml`{: .filepath} as needed. Some of them are typical options:
 
 - `url`
 - `avatar`
@@ -70,9 +70,15 @@ Update the variables of `_config.yml` as needed. Some of them are typical option
 
 ### Customing Stylesheet
 
-If you need to customize the stylesheet, copy the theme's `assets/css/style.scss` to the same path on your Jekyll site, and then add the custom style at the end of the style file.
+If you need to customize the stylesheet, copy the theme's `assets/css/style.scss`{: .filepath} to the same path on your Jekyll site, and then add the custom style at the end of the style file.
 
-Starting from [`v4.1.0`][chirpy-4.1.0], if you want to overwrite the SASS variables defined in `_sass/addon/variables.scss`, create a new file `_sass/variables-hook.scss` and assign new values to the target variable in it.
+Starting from [`v4.1.0`][chirpy-4.1.0], if you want to overwrite the SASS variables defined in `_sass/addon/variables.scss`{: .filepath}, create a new file `_sass/variables-hook.scss`{: .filepath} and assign new values to the target variable in it.
+
+### Customing Static Assets
+
+Static assets configuration was introduced in version `5.1.0`. The CDN of the static assets is defined by file `_data/assets/cross_origin.yml`{: .filepath }, and you can replace some of them according to the network conditions in the region where your website is published.
+
+Also, if you'd like to self-host the static assets, please refer to the [_chirpy-static-assets_](https://github.com/cotes2020/chirpy-static-assets#readme).
 
 ### Running Local Server
 
@@ -93,23 +99,23 @@ $ docker run -it --rm \
 
 After a while, the local service will be published at _<http://127.0.0.1:4000>_.
 
-### Deployment
+## Deployment
 
-Before the deployment begins, check out the file `_config.yml` and make sure the `url` is configured correctly. Furthermore, if you prefer the [**project site**](https://help.github.com/en/github/working-with-github-pages/about-github-pages#types-of-github-pages-sites) and don't use a custom domain, or you want to visit your website with a base URL on a web server other than **GitHub Pages**, remember to change the `baseurl` to your project name that starts with a slash, e.g, `/project-name`.
+Before the deployment begins, check out the file `_config.yml`{: .filepath} and make sure the `url` is configured correctly. Furthermore, if you prefer the [**project site**](https://help.github.com/en/github/working-with-github-pages/about-github-pages#types-of-github-pages-sites) and don't use a custom domain, or you want to visit your website with a base URL on a web server other than **GitHub Pages**, remember to change the `baseurl` to your project name that starts with a slash, e.g, `/project-name`.
 
 Now you can choose ONE of the following methods to deploy your Jekyll site.
 
-#### Deploy by Using Github Actions
+### Deploy by Using Github Actions
 
 For security reasons, GitHub Pages build runs on `safe` mode, which restricts us from using plugins to generate additional page files. Therefore, we can use **GitHub Actions** to build the site, store the built site files on a new branch, and use that branch as the source of the GitHub Pages service.
 
 Quickly check the files needed for GitHub Actions build:
 
-- Ensure your Jekyll site has the file `.github/workflows/pages-deploy.yml`. Otherwise, create a new one and fill in the contents of the [sample file][workflow], and the value of the `on.push.branches` should be the same as your repo's default branch name.
+- Ensure your Jekyll site has the file `.github/workflows/pages-deploy.yml`{: .filepath}. Otherwise, create a new one and fill in the contents of the [sample file][workflow], and the value of the `on.push.branches` should be the same as your repo's default branch name.
 
-- Ensure your Jekyll site has file `tools/deploy.sh`. Otherwise, copy it from here to your Jekyll site.
+- Ensure your Jekyll site has file `tools/deploy.sh`{: .filepath}. Otherwise, copy it from here to your Jekyll site.
 
-- Furthermore, if you have committed `Gemfile.lock` to the repo, and your runtime system is not Linux, don't forget to update the platform list in the lock file:
+- Furthermore, if you have committed `Gemfile.lock`{: .filepath} to the repo, and your runtime system is not Linux, don't forget to update the platform list in the lock file:
 
   ```console
   $ bundle lock --add-platform x86_64-linux
@@ -123,11 +129,11 @@ Now publish your Jekyll site by:
 
 2. Browse to your repository on GitHub. Select the tab _Settings_, then click _Pages_ in the left navigation bar, and then in the section **Source** of _GitHub Pages_, select the `/(root)` directory of branch `gh-pages` as the [publishing source][pages-src]. Remember to click <kbd>Save</kbd> before leaving.
 
-    ![gh-pages-sources](/posts/20190809/gh-pages-sources.png){: width="850" height="153" }
+    ![gh-pages-sources](/posts/20190809/gh-pages-sources.png){: width="1580" height="250" }
 
 3. Visit your website at the address indicated by GitHub.
 
-#### Manually Build and Deploy
+### Manually Build and Deploy
 
 On self-hosted servers, you cannot enjoy the convenience of **GitHub Actions**. Therefore, you should build the site on your local machine and then upload the site files to the server.
 
@@ -147,29 +153,29 @@ $ docker run -it --rm \
     jekyll build
 ```
 
-Unless you specified the output path, the generated site files will be placed in folder `_site` of the project's root directory. Now you should upload those files to the target server.
+Unless you specified the output path, the generated site files will be placed in folder `_site`{: .filepath} of the project's root directory. Now you should upload those files to the target server.
 
-### Upgrading
+## Upgrading
 
 It depends on how you use the theme:
 
-- If you are using the theme gem (there will be `gem "jekyll-theme-chirpy"` in the `Gemfile`), editing the `Gemfile` and update the version number of the theme gem, for example:
+- If you are using the theme gem (there will be `gem "jekyll-theme-chirpy"` in the `Gemfile`{: .filepath}), editing the `Gemfile`{: .filepath} and update the version number of the theme gem, for example:
 
-    ```diff
+  ```diff
   - gem "jekyll-theme-chirpy", "~> 3.2", ">= 3.2.1"
   + gem "jekyll-theme-chirpy", "~> 3.3", ">= 3.3.0"
-    ```
-    {: .nolineno file="Gemfile" }
+  ```
+  {: .nolineno file="Gemfile" }
 
-    And then execute the following command:
+  And then execute the following command:
 
-    ```console
+  ```console
   $ bundle update jekyll-theme-chirpy
-    ```
+  ```
 
-    As the version upgrades, the critical files (for details, see the [Startup Template][starter]) and configuration options will change. Please refer to the [Upgrade Guide](https://github.com/cotes2020/jekyll-theme-chirpy/wiki/Upgrade-Guide) to keep your repo's files in sync with the latest version of the theme.
+  As the version upgrades, the critical files (for details, see the [Startup Template][starter]) and configuration options will change. Please refer to the [Upgrade Guide](https://github.com/cotes2020/jekyll-theme-chirpy/wiki/Upgrade-Guide) to keep your repo's files in sync with the latest version of the theme.
 
-- If you forked from the source project (there will be `gemspec` in the `Gemfile` of your site), then merge the [latest upstream tags][latest-tag] into your Jekyll site to complete the upgrade.
+- If you forked from the source project (there will be `gemspec` in the `Gemfile`{: .filepath} of your site), then merge the [latest upstream tags][latest-tag] into your Jekyll site to complete the upgrade.
 The merge is likely to conflict with your local modifications. Please be patient and careful to resolve these conflicts.
 
 [starter]: https://github.com/cotes2020/chirpy-starter

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

@@ -1,12 +1,12 @@
 ---
 title: Customize the Favicon
-author: Cotes Chung
+author: cotes
 date: 2019-08-11 00:34:00 +0800
 categories: [Blogging, Tutorial]
 tags: [favicon]
 ---
 
-The [favicons](https://www.favicon-generator.org/about/) of [**Chirpy**](https://github.com/cotes2020/jekyll-theme-chirpy/) are placed in the directory `assets/img/favicons/`. You may want to replace them with your own. The following sections will guide you to create and replace the default favicons.
+The [favicons](https://www.favicon-generator.org/about/) of [**Chirpy**](https://github.com/cotes2020/jekyll-theme-chirpy/) are placed in the directory `assets/img/favicons/`{: .filepath}. You may want to replace them with your own. The following sections will guide you to create and replace the default favicons.
 
 ## Generate the favicon
 
@@ -18,10 +18,10 @@ In the next step, the webpage will show all usage scenarios. You can keep the de
 
 Download the generated package, unzip and delete the following two from the extracted files:
 
-- `browserconfig.xml`
-- `site.webmanifest`
+- `browserconfig.xml`{: .filepath}
+- `site.webmanifest`{: .filepath}
 
-Now, copy the remaining image files (`PNG` and `ICO`) to cover the original files in the folder `assets/img/favicons/` of your Jekyll site. If your Jekyll site doesn't have this directory yet, just create one.
+And then copy the remaining image files (`.PNG`{: .filepath} and `.ICO`{: .filepath}) to cover the original files in the directory `assets/img/favicons/`{: .filepath} of your Jekyll site. If your Jekyll site doesn't have this directory yet, just create one.
 
 The following table will help you understand the changes to the favicon files:
 
@@ -29,9 +29,8 @@ The following table will help you understand the changes to the favicon files:
 |---------------------|:---------------------------------:|:-----------:|
 | `*.PNG`             | ✓                                 | ✗           |
 | `*.ICO`             | ✓                                 | ✗           |
-| `browserconfig.xml` | ✗                                 | ✓           |
-| `site.webmanifest`  | ✗                                 | ✓           |
 
-> Note: ✓ means keep, ✗ means delete.
+>  ✓ means keep, ✗ means delete.
+{: .prompt-info }
 
 The next time you build the site, the favicon will be replaced with a customized edition.

_posts/2021-01-03-enable-google-pv.md

@@ -1,6 +1,6 @@
 ---
 title: Enable Google Page Views
-author: Dinesh Prasanth Moluguwan Krishnamoorthy
+author: sille_bille
 date: 2021-01-03 18:32:00 -0500
 categories: [Blogging, Tutorial]
 tags: [google analytics, pageviews]
@@ -35,7 +35,7 @@ It should look like this:
 
 ![google-analytics-data-stream](/posts/20210103/01-google-analytics-data-stream.png){: width="1086" height="542"}
 
-Now, click on the new data stream and grab the **Measurement ID**. It should look something like `G-V6XXXXXXXX`. Copy this to your `_config.yml` file
+Now, click on the new data stream and grab the **Measurement ID**. It should look something like `G-V6XXXXXXXX`. Copy this to your `_config.yml`{: .filepath} file:
 
 ```yaml
 google_analytics:
@@ -113,15 +113,16 @@ There is a detailed [tutorial](https://developers.google.com/analytics/solutions
 
 1. Clone the **Google Analytics superProxy** project on Github: <https://github.com/googleanalytics/google-analytics-super-proxy> to your local.
 
-2. Remove the first 2 lines in the [`src/app.yaml`](https://github.com/googleanalytics/google-analytics-super-proxy/blob/master/src/app.yaml#L1-L2) file:
-  ```diff
-- application: your-project-id
-- version: 1
-  ```
+2.  Remove the first 2 lines in the [`src/app.yaml`{: .filepath}](https://github.com/googleanalytics/google-analytics-super-proxy/blob/master/src/app.yaml#L1-L2) file:
 
-3. In `src/config.py`, add the `OAUTH_CLIENT_ID` and `OAUTH_CLIENT_SECRET` that you gathered from your App Engine Dashboard.
+    ```diff
+    - application: your-project-id
+    - version: 1
+    ```
 
-4. Enter any random key for `XSRF_KEY`, your `config.py` should look similar to this
+3. In `src/config.py`{: .filepath}, add the `OAUTH_CLIENT_ID` and `OAUTH_CLIENT_SECRET` that you gathered from your App Engine Dashboard.
+
+4.  Enter any random key for `XSRF_KEY`, your `config.py`{: .filepath} should look similar to this
 
     ```python
     #!/usr/bin/python2.7
@@ -143,9 +144,11 @@ There is a detailed [tutorial](https://developers.google.com/analytics/solutions
     ```
     {: file="src/config.py"}
 
-    **Tip:** You can configure a custom domain instead of `https://PROJECT_ID.REGION_ID.r.appspot.com`. But, for the sake of keeping it simple, we will be using the Google provided default URL.
+    > You can configure a custom domain instead of `https://PROJECT_ID.REGION_ID.r.appspot.com`.
+    > But, for the sake of keeping it simple, we will be using the Google provided default URL.
+    {: .prompt-info }
 
-5. From inside the src/ directory, deploy the app
+5.  From inside the `src/`{: .filepath} directory, deploy the app
 
     ```console
     [root@bc96abf71ef8 src]# gcloud app deploy
@@ -202,9 +205,9 @@ In order to reduce the returned results and reduce the network bandwidth, we add
 
 - **filters**: fill in `ga:pagePath=~^/posts/.*/$;ga:pagePath!@=`.
 
-    Among them, `;` means using _logical AND_ to concatenate two rules.
+  Among them, `;` means using _logical AND_ to concatenate two rules.
 
-    If the `site.baseurl` is specified, change the first filtering rule to `ga:pagePath=~^/BASE_URL/posts/.*/$`, where `BASE_URL` is the value of `site.baseurl`.
+  If the `site.baseurl` is specified, change the first filtering rule to `ga:pagePath=~^/BASE_URL/posts/.*/$`, where `BASE_URL` is the value of `site.baseurl`.
 
 After <kbd>Run Query</kbd>, copy the generated contents of **API Query URI** at the bottom of the page and fill in the **Encoded URI for the query** of SuperProxy on GAE.
 
@@ -212,14 +215,13 @@ After the query is saved on GAE, a **Public Endpoint** (public access address) w
 
 ![superproxy-query](/posts/20210103/04-superproxy-query.png){: width="1100" height="126"}
 
-
 ## Configure Chirpy to Display Page View
 
 Once all the hard part is done, it is very easy to enable the Page View on Chirpy theme. Your superProxy dashboard should look something like below and you can grab the required values.
 
 ![superproxy-dashboard](/posts/20210103/05-superproxy-dashboard.png){: width="1210" height="694"}
 
-Update the `_config.yml` file of [**Chirpy**][chirpy-homepage] project with the values from your dashboard, to look similar to the following:
+Update the `_config.yml`{: .filepath} file of [**Chirpy**][chirpy-homepage] project with the values from your dashboard, to look similar to the following:
 
 ```yaml
 google_analytics:

_sass/addon/module.scss

@@ -10,6 +10,39 @@
   font-family: 'Lato', 'Microsoft Yahei', sans-serif;
 }
 
+%section {
+  #core-wrapper & {
+    margin-top: 2.5rem;
+    margin-bottom: 1.25rem;
+
+    &:focus {
+      outline: none; /* avoid outline in Safari */
+    }
+  }
+}
+
+%anchor {
+  .anchor {
+    font-size: 80%;
+  }
+
+  @media (hover: hover) {
+    .anchor {
+      visibility: hidden;
+      opacity: 0;
+      transition: opacity 0.25s ease-in, visibility 0s ease-in 0.25s;
+    }
+
+    &:hover {
+      .anchor {
+        visibility: visible;
+        opacity: 1;
+        transition: opacity 0.25s ease-in, visibility 0s ease-in 0s;
+      }
+    }
+  }
+}
+
 %tag-hover {
   background: var(--tag-hover);
   transition: background 0.35s ease-in-out;
@@ -39,30 +72,31 @@
   transition: color 0.35s ease-in-out;
 }
 
+%no-cursor {
+  user-select: none;
+}
+
 %no-bottom-border {
   border-bottom: none;
 }
 
-%section {
-  #post-wrapper & {
-    line-height: 1.2;
-    margin-bottom: 1rem;
-  }
-}
-
-%anchor {
-  padding-top: 3.5rem;
-  margin-top: -2.5rem;
-}
-
 %cursor-pointer {
   cursor: pointer;
 }
 
-/* ---------- scss mixin --------- */
+%normal-font-style {
+  font-style: normal;
+}
 
-@mixin no-text-decoration {
-  text-decoration: none;
+%img-caption {
+  + em {
+    display: block;
+    text-align: center;
+    font-style: normal;
+    font-size: 80%;
+    padding: 0;
+    color: #6d6c6c;
+  }
 }
 
 %sidebar-links {
@@ -70,6 +104,12 @@
   user-select: none;
 }
 
+/* ---------- scss mixin --------- */
+
+@mixin no-text-decoration {
+  text-decoration: none;
+}
+
 @mixin ml-mr($value) {
   margin-left: $value;
   margin-right: $value;
@@ -84,28 +124,12 @@
   opacity: 0.6;
 }
 
-@mixin semi-bold {
-  font-weight: 600;
-}
-
 @mixin label($font-size: 1rem, $font-weight: 600, $color: var(--label-color)) {
   color: $color;
   font-size: $font-size;
   font-weight: $font-weight;
 }
 
-@mixin panel-label {
-  @include label(inherit);
-
-  display: block;
-  line-height: 1.2;
-  padding-top: 0.5rem;
-  padding-bottom: 0.5rem;
-  margin-top: 0;
-  margin-bottom: 0;
-  letter-spacing: -0.02em;
-}
-
 @mixin align-center {
   position: relative;
   left: 50%;
@@ -113,3 +137,15 @@
   -ms-transform: translateX(-50%);
   transform: translateX(-50%);
 }
+
+@mixin prompt($type, $fw-icon, $icon-weight: 900) {
+  &.prompt-#{$type} {
+    background-color: var(--prompt-#{$type}-bg);
+
+    &::before {
+      content: $fw-icon;
+      color: var(--prompt-#{$type}-icon-color);
+      font-weight: $icon-weight;
+    }
+  }
+}

_sass/addon/syntax.scss

@@ -5,23 +5,27 @@
 @import "colors/light-syntax";
 @import "colors/dark-syntax";
 
-html:not([mode]),
-html[mode=light] {
-  @include light-syntax;
-}
+html {
+  @media (prefers-color-scheme: light) {
+    &:not([data-mode]),
+    &[data-mode=light] {
+      @include light-syntax;
+    }
 
-html[mode=dark] {
-  @include dark-syntax;
-}
-
-@media (prefers-color-scheme: dark) {
-  html:not([mode]),
-  html[mode=dark] {
-    @include dark-syntax;
+    &[data-mode=dark] {
+      @include dark-syntax;
+    }
   }
 
-  html[mode=light] {
-    @include light-syntax;
+  @media (prefers-color-scheme: dark) {
+    &:not([data-mode]),
+    &[data-mode=dark] {
+      @include dark-syntax;
+    }
+
+    &[data-mode=light] {
+      @include light-syntax;
+    }
   }
 }
 
@@ -38,13 +42,8 @@ $code-radius: 6px;
 }
 
 %code-snippet-padding {
-  padding: 1.2rem;
-}
-
-div > pre {
-  @extend %code-snippet-bg;
-  @extend %code-snippet-radius;
-  @extend %code-snippet-padding;
+  padding-left: 1rem;
+  padding-right: 1.5rem;
 }
 
 .highlighter-rouge {
@@ -65,6 +64,8 @@ div > pre {
   }
 
   overflow: auto;
+  padding-top: 0.5rem;
+  padding-bottom: 1rem;
 
   pre {
     margin-bottom: 0;
@@ -74,19 +75,12 @@ div > pre {
   }
 
   table {
-    padding: 0;
-    border: 0;
     td pre {
       overflow: visible;  /* Fixed iOS safari overflow-x */
       word-break: normal; /* Fixed iOS safari linenos code break */
     }
   }
 
-  td {
-    padding: 0;
-    border: 0;
-  }
-
   .lineno {
     padding-right: 0.5rem;
     min-width: 2.2rem;
@@ -105,7 +99,7 @@ div > pre {
     user-select: none;
   }
 
-} //.highlight
+} /* .highlight */
 
 code {
   -webkit-hyphens: none;
@@ -120,25 +114,38 @@ code {
     background-color: var(--inline-code-bg);
   }
 
-  @at-root a > &.highlighter-rouge {
-    padding-bottom: 0; // show link's underlinke
+  &.filepath {
+    background-color: inherit;
+    color: var(--filepath-text-color);
+    font-weight: 600;
+    padding: 0;
+  }
+
+  a > &.highlighter-rouge {
+    padding-bottom: 0; /* show link's underlinke */
     color: inherit;
   }
 
-  @at-root a:hover > &.highlighter-rouge {
+  a:hover > &.highlighter-rouge {
     border-bottom: none;
   }
 
-  blockquote &.highlighter-rouge {
+  blockquote & {
     color: inherit;
   }
+
+  .highlight > & {
+    color: transparent;
+  }
 }
 
 td.rouge-code {
-  padding: 1.2rem 1.5rem 1.2rem 1rem;
+  @extend %code-snippet-padding;
 
-  // Prevent some browser extends from
-  // changing the URL string of code block.
+  /*
+    Prevent some browser extends from
+    changing the URL string of code block.
+  */
   a {
     color: inherit !important;
     border-bottom: none !important;
@@ -157,63 +164,82 @@ div {
     pre.lineno {
       display: none;
     }
+
     td.rouge-code {
-      @extend %code-snippet-padding;
+      padding-left: 1.5rem;
     }
   }
 }
 
 .code-header {
-  background: var(--code-header-bg);
+  @extend %no-cursor;
+
+  $code-header-height: 2.25rem;
+
   border-top-left-radius: $code-radius;
   border-top-right-radius: $code-radius;
   display: flex;
   justify-content: space-between;
   align-items: center;
-  line-height: 1.85rem;
+  height: $code-header-height;
 
-  // icons
-  i {
-    font-size: 1rem;
-    color: var(--lang-badge-muted-color);
+  &::before {
+    $dot-size: 0.75rem;
+    $dot-margin: 0.5rem;
 
-    &.small {
-      font-size: 70%;
-    }
+    content: "";
+    display: inline-block;
+    margin-left: 1rem;
+    width: $dot-size;
+    height: $dot-size;
+    border-radius: 50%;
+    background-color: var(--code-header-muted-color);
+    box-shadow:
+      ($dot-size + $dot-margin) 0 0 var(--code-header-muted-color),
+      ($dot-size + $dot-margin) * 2 0 0 var(--code-header-muted-color);
   }
 
-  // the label block
+  /* the label block */
   span {
-    padding-left: 0.35rem;
-
-    &::after {
-      content: attr(text-data);
-      font-size: 0.85rem;
-      font-weight: 600;
-      color: var(--lang-badge-color);
-    }
-
+    /* label icon */
     i {
-      margin: 0 0.5rem;
+      font-size: 1rem;
+      margin-right: 0.4rem;
+      color: var(--code-header-icon-color);
+
+      &.small {
+        font-size: 70%;
+      }
     }
 
     @at-root [file] #{&} > i {
       position: relative;
-      top: 1px; // center the file icon
-      margin-left: 0.25rem;
+      top: 1px; /* center the file icon */
     }
 
+    /* label text */
+    &::after {
+      content: attr(data-label-text);
+      font-size: 0.85rem;
+      font-weight: 600;
+      color: var(--code-header-text-color);
+    }
   }
 
-  // clipboard
+  /* clipboard */
   button {
-    border: 1px solid var(--code-header-bg);
+    @extend %cursor-pointer;
+
+    border: 1px solid transparent;
     border-radius: $code-radius;
+    height: $code-header-height;
+    width: $code-header-height;
     padding: 0;
-    width: 1.95rem;
     background-color: inherit;
 
-    @extend %cursor-pointer;
+    i {
+      color: var(--code-header-icon-color);
+    }
 
     &[timeout] {
       &:hover {

_sass/addon/variables.scss

@@ -4,30 +4,30 @@
 
 /* sidebar */
 
-$sidebar-width: 260px !default;        // the basic width
-$sidebar-width-small: 210px !default;  // screen width: >= 850px, <= 1199px (iPad landscape)
-$sidebar-width-large: 350px !default;  // screen width: >= 1650px
+$sidebar-width: 260px !default;        /* the basic width */
+$sidebar-width-small: 210px !default;  /* screen width: >= 850px, <= 1199px (iPad landscape) */
+$sidebar-width-large: 350px !default;  /* screen width: >= 1650px */
 
 /* tabs of sidebar */
 
-$tab-count: 5 !default;   // backward compatible (version <= 4.0.2)
+$tab-count: 5 !default;   /* backward compatible (version <= 4.0.2) */
 $tab-height: 3rem !default;
 $tab-cursor-height: 1.6rem !default;
 
-$cursor-width: 2px !default;    // the cursor width of the selected tab
+$cursor-width: 2px !default;    /* the cursor width of the selected tab */
 
 /* other framework sizes */
 
 $topbar-height: 3rem !default;
 
+$search-max-width: 210px !default;
+
 $footer-height: 5rem !default;
-$footer-height-mobile: 6rem !default;   // screen width: <= 576px
+$footer-height-mobile: 6rem !default;   /* screen width: <= 576px */
 
-$main-content-max-width: 1150px !default;
+$main-content-max-width: 1250px !default;
 
-$panel-max-width: 300px !default;
-
-$post-extend-min-height: 35rem !default;
+$bottom-min-height: 35rem !default;
 
 /* syntax highlight */
 

_sass/colors/dark-syntax.scss

@@ -74,15 +74,15 @@
   --highlighter-rouge-color: #de6b18;
   --highlight-lineno-color: #6c6c6d;
   --inline-code-bg: #272822;
-  --code-header-bg: #353535;
-  --lang-badge-color: #858586;
-  --lang-badge-muted-color: #6c6c6d;
+  --code-header-text-color: #6a6a6a;
+  --code-header-muted-color: rgb(60 60 60);
+  --code-header-icon-color: rgb(86 86 86);
   --clipboard-checked-color: #2bcc2b;
+  --filepath-text-color: #bdbdbd;
 
   .highlight {
     .gp { color: #818c96; }
   }
 
   pre { color: #bfbfbf; } /* override Bootstrap */
-  kbd { background-color: black; }
 }

_sass/colors/dark-typography.scss

@@ -8,8 +8,6 @@
   --mask-bg: rgb(68, 69, 70);
   --main-wrapper-bg: rgb(27, 27, 30);
   --main-border-color: rgb(44, 45, 45);
-  --scrollbar-track-bg: rgba(0, 0, 0, 0.3);
-  --scrollbar-thumb-bg: rgb(173 171 171 / 50%);
 
   /* Common color */
   --text-color: rgb(175, 176, 177);
@@ -67,6 +65,19 @@
   --card-bg: rgb(39, 40, 43);
   --card-border-color: rgb(53, 53, 60);
   --card-box-shadow: var(--main-wrapper-bg);
+  --preview-img-bg: radial-gradient(circle, rgb(22 22 24) 0%, rgb(32 32 32) 100%);
+  --kbd-wrap-color: #6a6a6a;
+  --kbd-text-color: #d3d3d3;
+  --kbd-bg-color: #242424;
+  --prompt-text-color: rgb(216 212 212 / 75%);
+  --prompt-tip-bg: rgba(77, 187, 95, 0.2);
+  --prompt-tip-icon-color: rgb(5 223 5 / 68%);
+  --prompt-info-bg: rgb(7 59 104 / 80%);
+  --prompt-info-icon-color: #0075d1;
+  --prompt-warning-bg: rgb(90 69 3 / 95%);
+  --prompt-warning-icon-color: rgb(255 165 0 / 80%);
+  --prompt-danger-bg: rgb(86 28 8 / 80%);
+  --prompt-danger-icon-color: #cd0202;
 
   /* tags */
   --tag-border: rgb(59, 79, 88);
@@ -84,12 +95,8 @@
   --timeline-color: rgb(63, 65, 68);
   --timeline-year-dot-color: var(--timeline-color);
 
-  /* Footer */
-  --footer-bg-color: var(--main-wrapper-bg);
-  --footer-link: rgb(171, 171, 171);
-
-  .post-content img {
-    filter: brightness(90%);
+  .post img[data-src] {
+    filter: brightness(95%);
   }
 
   hr {
@@ -116,11 +123,13 @@
     .card-header {
       background-color: var(--card-header-bg);
     }
+
     .list-group-item {
       border-left: none;
       border-right: none;
       padding-left: 2rem;
       border-color: var(--categories-border);
+
       &:last-child {
         border-bottom-color: var(--card-bg);
       }
@@ -128,13 +137,21 @@
   }
 
   #archives li:nth-child(odd) {
-    background-image: linear-gradient(
-      to left,
-      rgb(26, 26, 30),
-      rgb(39, 39, 45),
-      rgb(39, 39, 45),
-      rgb(39, 39, 45),
-      rgb(26, 26, 30));
+    background-image:
+      linear-gradient(
+        to left,
+        rgb(26, 26, 30),
+        rgb(39, 39, 45),
+        rgb(39, 39, 45),
+        rgb(39, 39, 45),
+        rgb(26, 26, 30)
+      );
   }
 
-} // dark-scheme
+  color-scheme: dark;
+
+  #disqus_thread {
+    color-scheme: none;
+  }
+
+} /* dark-scheme */

_sass/colors/light-syntax.scss

@@ -71,9 +71,14 @@
   --highlighter-rouge-color: #2f2f2f;
   --highlight-lineno-color: #c2c6cc;
   --inline-code-bg: #f3f3f3;
-  --code-header-bg: #eaeaea;
-  --lang-badge-color: rgb(128 128 128 / 87%);
-  --lang-badge-muted-color: rgb(128 128 128 / 36%);
+  --code-header-text-color: #a3a3b1;
+  --code-header-muted-color: #ebebeb;
+  --code-header-icon-color: #d1d1d1;
   --clipboard-checked-color: #43c743;
 
-} // light-syntax
+  [class^=prompt-] {
+    --inline-code-bg: #fbfafa;
+    --highlighter-rouge-color: rgb(82 82 82);
+  }
+
+} /* light-syntax */

_sass/colors/light-typography.scss

@@ -8,8 +8,6 @@
   --mask-bg: #c1c3c5;
   --main-wrapper-bg: white;
   --main-border-color: #f3f3f3;
-  --scrollbar-track-bg: rgba(0, 0, 0, 0.3);
-  --scrollbar-thumb-bg: rgba(0, 0, 0, 0.3);
 
   /* Common color */
   --text-color: #34343c;
@@ -66,6 +64,23 @@
   --tb-odd-bg: #fbfcfd;
   --tb-border-color: #eaeaea;
   --dash-color: silver;
+  --preview-img-bg: radial-gradient(circle, rgb(255 255 255) 0%, rgb(249 249 249) 100%);
+  --kbd-wrap-color: #bdbdbd;
+  --kbd-text-color: var(--text-color);
+  --kbd-bg-color: white;
+  --prompt-text-color: rgb(46 46 46 / 77%);
+  --prompt-tip-bg: rgb(123 247 144 / 20%);
+  --prompt-tip-icon-color: #03b303;
+  --prompt-info-bg: #e1f5fe;
+  --prompt-info-icon-color: #0070cb;
+  --prompt-warning-bg: rgb(255 243 205);
+  --prompt-warning-icon-color: #ef9c03;
+  --prompt-danger-bg: rgb(248 215 218 / 56%);
+  --prompt-danger-icon-color: #df3c30;
+
+  [class^=prompt-] {
+    --link-underline-color: rgb(219 216 216);
+  }
 
   /* Categories */
   --categories-hover-bg: var(--btn-border-color);
@@ -76,7 +91,4 @@
   --timeline-node-bg: #c2c6cc;
   --timeline-year-dot-color: #ffffff;
 
-  /* Footer */
-  --footer-bg-color: #ffffff;
-  --footer-link: #424242;
-} // light-scheme
+} /* light-scheme */

_sass/jekyll-theme-chirpy.scss

@@ -1,7 +1,7 @@
 /*!
  * The styles for Jekyll theme Chirpy
  *
- * Chirpy v4.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy)
+ * Chirpy v5.2.0 (https://github.com/cotes2020/jekyll-theme-chirpy)
  * © 2019 Cotes Chung
  * MIT Licensed
  */

_sass/layout/archives.scss

@@ -41,6 +41,7 @@
     &:not(:first-child) {
       position: relative;
       left: 4px;
+
       &::after {
         left: 67px;
       }
@@ -98,6 +99,7 @@
   .date {
     white-space: nowrap;
     display: inline-block;
+
     &.month {
       width: 1.4rem;
       text-align: center;
@@ -120,6 +122,7 @@
         z-index: 1;
       }
     }
+
     &.day {
       font-size: 85%;
       font-family: 'Lato', sans-serif;
@@ -127,7 +130,7 @@
       margin-right: -2px;
       width: 1.2rem;
       position: relative;
-      left: -.15rem;
+      left: -0.15rem;
     }
   } // #archives .date
 
@@ -136,6 +139,7 @@
 @media all and (max-width: 576px) {
   #archives {
     margin-top: -1rem;
+
     ul {
       letter-spacing: 0;
     }

_sass/layout/category-tag.scss

@@ -3,7 +3,7 @@
 */
 
 .dash {
-  margin: 0 .5rem .6rem .5rem;
+  margin: 0 0.5rem 0.6rem 0.5rem;
   border-bottom: 2px dotted var(--dash-color);
 }
 
@@ -60,8 +60,9 @@
   #page-tag {
     ul > li {
       &::before {
-        margin: 0 .5rem;
+        margin: 0 0.5rem;
       }
+
       > a {
         white-space: nowrap;
         overflow: hidden;

_sass/layout/home.scss

@@ -22,24 +22,29 @@
       border-radius: 50%;
       border: 1px solid var(--btn-paginator-border-color);
       background-color: var(--button-bg);
+
       &:hover {
         background-color: var(--btn-paginator-hover-color);
       }
     }
+
     &.active {
       .page-link {
         background-color: var(--btn-paginator-hover-color);
         color: var(--btn-text-color);
       }
     }
+
     &.disabled {
       cursor: not-allowed;
+
       .page-link {
         color: rgba(108, 117, 125, 0.57);
         border-color: var(--btn-paginator-border-color);
         background-color: var(--button-bg);
       }
     }
+
     &:first-child .page-link,
     &:last-child .page-link {
       border-radius: 50%;
@@ -69,9 +74,14 @@
     .post-meta {
       i {
         font-size: 0.73rem;
+
+        &:not(:first-child) {
+          margin-left: 1.2rem;
+        }
       }
-      span:not(:last-child) {
-        margin-right: 1.2rem;
+
+      em {
+        @extend %normal-font-style;
       }
     }
 
@@ -79,6 +89,7 @@
       margin-top: 0.6rem;
       margin-bottom: 0.6rem;
       color: var(--post-list-text-color);
+
       > p {
         /* Make preview shorter on the homepage */
         margin: 0;
@@ -96,13 +107,13 @@
         padding-left: 3px;
         color: var(--pin-color);
       }
+
       > span {
         display: none;
       }
     }
 
   } // .post-preview
-
 } // #post-list
 
 /* Hide SideBar and TOC */
@@ -122,9 +133,9 @@
 
 /* Sidebar is visible */
 @media all and (min-width: 831px) {
-
   #post-list {
     margin-top: 1.5rem;
+
     .post-preview .post-meta {
       .pin {
         background: var(--pin-bg);