Merge branch 'master' of github.com:derbyjs/derby into racer-2

.github/workflows/docs-gh-pages.yml

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+# Based on https://github.com/actions/starter-workflows/blob/main/pages/jekyll.yml
+name: Build Jekyll site, Deploy to Pages when on default branch
+
+env:
+  DOCS_DIR: docs
+
+on:
+  # Run workflow on any branch push.
+  # Conditionals are used to only trigger deploy on the default branch.
+  push:
+    # Uncomment to only run on specific branch pushes.
+    # branches: ["master"]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment per branch, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow the deployments to complete.
+concurrency:
+  group: "pages-${{ github.ref }}"
+  cancel-in-progress: false
+
+jobs:
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42 # v1.161.0
+        with:
+          ruby-version: '3.2' # Not needed with a .ruby-version file
+          working-directory: ${{ env.DOCS_DIR }}
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+          # cache-version: 0 # Increment this number if the cache gets corrupted and you need to force-update cached gems
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v4
+      - name: Build with Jekyll
+        # Outputs to the './_site' directory by default
+        run: cd $DOCS_DIR && bundle install && bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
+        env:
+          JEKYLL_ENV: production
+      - name: Upload artifact
+        if: github.ref == 'refs/heads/master' # Only upload when on default branch
+        uses: actions/upload-pages-artifact@v3
+        with:
+          # Default path is './_site'.
+          path: "./${{ env.DOCS_DIR }}/_site"
+
+  # Deployment job
+  deploy:
+    if: github.ref == 'refs/heads/master' # Only deploy when on default branch
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

docs/.gitignore

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+_site
+.sass-cache
+.jekyll-cache
+.jekyll-metadata
+vendor

docs/404.html

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+---
+permalink: /404.html
+layout: default
+---
+
+<style type="text/css" media="screen">
+  .container {
+    margin: 10px auto;
+    max-width: 600px;
+    text-align: center;
+  }
+  h1 {
+    margin: 30px 0;
+    font-size: 4em;
+    line-height: 1;
+    letter-spacing: -1px;
+  }
+</style>
+
+<div class="container">
+  <h1>404</h1>
+
+  <p><strong>Page not found :(</strong></p>
+  <p>The requested page could not be found.</p>
+</div>

docs/Gemfile

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+source "https://rubygems.org"
+# Hello! This is where you manage which Jekyll version is used to run.
+# When you want to use a different version, change it below, save the
+# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
+#
+#     bundle exec jekyll serve
+#
+# This will help ensure the proper Jekyll version is running.
+# Happy Jekylling!
+gem "jekyll", "~> 4.3.2"
+
+# Theme
+gem "just-the-docs", "0.7.0"
+# gem "minima", "~> 2.5" # This is the default theme for new Jekyll sites.
+
+# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
+# uncomment the line below. To upgrade, run `bundle update github-pages`.
+# Latest GH Pages versions are here - https://pages.github.com/versions/
+# gem "github-pages", "~> 228", group: :jekyll_plugins
+# If you have any plugins, put them here!
+group :jekyll_plugins do
+  gem "jekyll-feed", "~> 0.12"
+  # gem "jekyll-remote-theme"
+end
+
+# Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
+# and associated library.
+platforms :mingw, :x64_mingw, :mswin, :jruby do
+  gem "tzinfo", ">= 1", "< 3"
+  gem "tzinfo-data"
+end
+
+# Performance-booster for watching directories on Windows
+gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
+
+# Lock `http_parser.rb` gem to `v0.6.x` on JRuby builds since newer versions of the gem
+# do not have a Java counterpart.
+gem "http_parser.rb", "~> 0.6.0", :platforms => [:jruby]
+
+# Lock jekyll-sass-converter to v2.
+# This lock can be removed when upgrading from Ruby 2.7 to Ruby 3.
+# https://github.com/jekyll/jekyll/pull/9225#issuecomment-1363894633
+gem "jekyll-sass-converter", "~> 2.0"

docs/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    addressable (2.8.6)
+      public_suffix (>= 2.0.2, < 6.0)
+    colorator (1.1.0)
+    concurrent-ruby (1.2.2)
+    em-websocket (0.5.3)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0)
+    eventmachine (1.2.7)
+    ffi (1.16.3)
+    forwardable-extended (2.6.0)
+    http_parser.rb (0.8.0)
+    i18n (1.14.1)
+      concurrent-ruby (~> 1.0)
+    jekyll (4.3.2)
+      addressable (~> 2.4)
+      colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 1.0)
+      jekyll-sass-converter (>= 2.0, < 4.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 2.3, >= 2.3.1)
+      kramdown-parser-gfm (~> 1.0)
+      liquid (~> 4.0)
+      mercenary (>= 0.3.6, < 0.5)
+      pathutil (~> 0.9)
+      rouge (>= 3.0, < 5.0)
+      safe_yaml (~> 1.0)
+      terminal-table (>= 1.8, < 4.0)
+      webrick (~> 1.7)
+    jekyll-feed (0.17.0)
+      jekyll (>= 3.7, < 5.0)
+    jekyll-include-cache (0.2.1)
+      jekyll (>= 3.7, < 5.0)
+    jekyll-sass-converter (2.2.0)
+      sassc (> 2.0.1, < 3.0)
+    jekyll-seo-tag (2.8.0)
+      jekyll (>= 3.8, < 5.0)
+    jekyll-watch (2.2.1)
+      listen (~> 3.0)
+    just-the-docs (0.7.0)
+      jekyll (>= 3.8.5)
+      jekyll-include-cache
+      jekyll-seo-tag (>= 2.0)
+      rake (>= 12.3.1)
+    kramdown (2.4.0)
+      rexml
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
+    liquid (4.0.4)
+    listen (3.8.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    mercenary (0.4.0)
+    pathutil (0.16.2)
+      forwardable-extended (~> 2.6)
+    public_suffix (5.0.4)
+    rake (13.1.0)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rexml (3.2.6)
+    rouge (4.2.0)
+    safe_yaml (1.0.5)
+    sassc (2.4.0)
+      ffi (~> 1.9)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
+    unicode-display_width (2.5.0)
+    webrick (1.8.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  http_parser.rb (~> 0.6.0)
+  jekyll (~> 4.3.2)
+  jekyll-feed (~> 0.12)
+  jekyll-sass-converter (~> 2.0)
+  just-the-docs (= 0.7.0)
+  tzinfo (>= 1, < 3)
+  tzinfo-data
+  wdm (~> 0.1.1)
+
+BUNDLED WITH
+   2.1.4

docs/README.md

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+These docs are built with Jekyll and served on GitHub Pages.
+
+# Locally building and viewing docs
+
+Jekyll has a dev server, which will auto-build the docs upon any changes to the source Markdown files. Only changes to `_config.yml` require a dev server restart.
+
+## With local Ruby
+
+Setup:
+
+```
+cd derby-docs && bundle install
+```
+
+Run the dev server:
+
+```
+bundle exec jekyll serve
+```
+
+The site is viewable at `http://localhost:4000/`.
+
+## With Ruby in Docker container
+
+One-time container creation:
+
+```
+docker run --name derby-docs-ruby -v "$(pwd)/docs:/derby-docs" -p 127.0.0.1:4000:4000 ruby:2.7 bash -c 'cd derby-docs && bundle install && bundle exec jekyll serve -H 0.0.0.0 -P 4000 --trace'
+```
+
+The site is viewable at `http://localhost:4000/`.
+
+Explanation of flags:
+* `-v` - Set up a Docker bind mount, mapping the host's `$PWD/docs` directory to a container directory `/derby-docs`.
+* `-p` - Map the host's local port 4000 to the container's port 4000, to allow the dev server inside the container to serve requests issued against the host.
+* `-H 0.0.0.0 -P 4000` - Have the dev server listen to connections from outside the container. This won't allow connections from outside the host.
+
+Subsequently, to run the dev server:
+
+```
+docker start -i derby-docs-ruby
+```
+
+To recreate the container with a different command or setup, run `docker rm derby-docs-ruby` to delete the container first.

docs/_config.yml

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+# Welcome to Jekyll!
+#
+# This config file is meant for settings that affect your whole blog, values
+# which you are expected to set up once and rarely edit after that. If you find
+# yourself editing this file very often, consider using Jekyll's data files
+# feature for the data you need to update frequently.
+#
+# For technical reasons, this file is *NOT* reloaded automatically when you use
+# 'bundle exec jekyll serve'. If you change this file, please restart the server process.
+#
+# If you need help with YAML syntax, here are some quick references for you:
+# https://learn-the-web.algonquindesign.ca/topics/markdown-yaml-cheat-sheet/#yaml
+# https://learnxinyminutes.com/docs/yaml/
+#
+# Site settings
+# These are used to personalize your new site. If you look in the HTML files,
+# you will see them accessed via {{ site.title }}, {{ site.email }}, and so on.
+# You can create any custom variable you would like, and they will be accessible
+# in the templates via {{ site.myvariable }}.
+title: DerbyJS Docs
+baseurl: "/derby" # the subpath of your site, e.g. /blog
+url: "" # the base hostname & protocol for your site, e.g. http://example.com
+repository: derbyjs/derby
+
+aux_links:
+  "DerbyJS on GitHub":
+    - "//github.com/derbyjs/derby"
+
+# Footer "Edit this page on GitHub" link text
+gh_edit_link: true # show or hide edit this page link
+gh_edit_link_text: "Edit this page on GitHub"
+gh_edit_repository: "https://github.com/derbyjs/derby" # the github URL for your repo
+gh_edit_branch: "master" # the branch that your docs is served from
+gh_edit_source: "docs" # the source that your files originate from
+gh_edit_view_mode: "tree" # "tree" or "edit" if you want the user to jump into the editor immediately
+
+# Build settings
+markdown: kramdown
+# remote_theme: just-the-docs/just-the-docs
+theme: just-the-docs
+permalink: /:path/:name
+
+# Front matter defaults
+defaults:
+  -
+    scope:
+      path: "" # an empty string here means all files in the project
+      type: "pages"
+    values:
+      render_with_liquid: false
+  -
+    scope:
+      path: "assets" # an empty string here means all files in the project
+    values:
+      render_with_liquid: true
+
+# Exclude from processing.
+# The following items will not be processed, by default.
+# Any item listed under the `exclude:` key here will be automatically added to
+# the internal "default list".
+#
+# Excluded items can be processed by explicitly listing the directories or
+# their entries' file path in the `include:` list.
+#
+# exclude:
+#   - .sass-cache/
+#   - .jekyll-cache/
+#   - gemfiles/
+#   - Gemfile
+#   - Gemfile.lock
+#   - node_modules/
+#   - vendor/bundle/
+#   - vendor/cache/
+#   - vendor/gems/
+#   - vendor/ruby/

docs/_sass/custom.scss

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+/**
+ * Add call-out support: https://github.com/pmarsceill/just-the-docs/issues/171#issuecomment-538794741
+ */
+ $callouts: (
+  info: ($blue-300, rgba($blue-000, .2), 'Note'),
+  warn: ($yellow-300, rgba($yellow-000, .2), 'Note'),
+  danger: ($red-300, rgba($red-000, .2), 'Note')
+);
+
+@each $class, $props in $callouts {
+  .#{$class} {
+    background: nth($props, 2);
+    border-left: $border-radius solid nth($props, 1);
+    border-radius: $border-radius;
+    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12), 0 3px 10px rgba(0, 0, 0, 0.08);
+    padding: .8rem;
+
+    &::before {
+      color: nth($props, 1);
+      content: nth($props, 3);
+      display: block;
+      font-weight: bold;
+      font-size: .75em;
+      padding-bottom: .125rem;
+    }
+
+    br {
+      content: '';
+      display: block;
+      margin-top: .5rem;
+    }
+  }
+}
+
+.label-grey {
+  background: rgba($grey-dk-000, 1);
+}