Commit f1c6bca h

Pat Ambrosio · 26-08-25 13:02

feat: page nav as left sidebar with responsive layout and footer restyle

Changes: 2 files +108 -10

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commit f1c6bca5132bab6c77576afbb2095b7ea5dbd43e
Author: Pat Ambrosio <cp.ambrosio@gmail.com>
Date:   Tue Aug 25 13:02:05 2026 +0800

    feat: page nav as left sidebar with responsive layout and footer restyle
    
    Move page-declared nav from stacked layout inside .contents to a left
    sidebar (16em wide) positioned absolutely beside the body. Pages without
    nav render at full width via CSS :has() selector.
    
    On narrow viewports (<736px), the sidebar stacks above the body and
    displays at full width.
    
    Restyle template-baked footer nav to be left-aligned with body-width
    (max-width: 60ch, margin-left: 6.82em). Replace centred layout with
    left-aligned links displayed as blocks. Add subtle ASCII separator
    ("---") via CSS ::before, subtly colored with var(--text-muted).
    
    The back arrow remains in the heading row with the title. Page body
    no longer shares left edge with post body—that trade is deliberate.
    
    Add 18 regression tests covering:
    - Nav sidebar positioning and document structure
    - Nav exclusion from .contents
    - Pages without nav using full width via CSS
    - Footer left alignment and body-width matching
    - Footer separator rendering
    - CSS variable completeness in all theme blocks
    
    Regressions: 242 -> 260 (18 new, all passing)
    
    Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
    Claude-Session: https://claude.ai/code/session_01WnSAstgnDYdKPwLGv1YZE5

diff --git a/share/jenny/layout/page.sh b/share/jenny/layout/page.sh
index 27e0584..ed8ac4d 100755
--- a/share/jenny/layout/page.sh
+++ b/share/jenny/layout/page.sh
@@ -42,6 +42,10 @@ page_nav() {
   printf '</nav>\n'
 }
 
+page_has_nav() {
+  [ -n "${PAGE_NAV:-}" ]
+}
+
 crumbs() {
   [ -n "${PAGE_CRUMBS:-}" ] || return 0
   local total seen href label
@@ -300,15 +304,25 @@ cat << _EOF_
            same offset explicitly or it falls back to the left margin and
            stops lining up with the title above it. */
         /* A nav is an ordered list of names and places; what it means is
-           left to this template. Rendered as a simple stack above the body. */
-        .page-nav { margin: 0 0 2.5em; padding-bottom: 1.5em;
-                    border-bottom: 2px solid var(--border-lighter); font-size: .9em; }
+           left to this template. Rendered as a left sidebar beside the body. */
+        .page-nav { position: absolute; width: 16em; margin: 0; padding: 0;
+                    font-size: .9em; }
         .page-nav .nav-item { display: block; text-decoration: none;
                               color: var(--link-nav); margin-bottom: .35em; }
         .page-nav .nav-item:hover { color: var(--link-nav-hover); }
 
+        .page-wrapper { position: relative; }
+
         .contents { display: inline-block; max-width: 60ch; vertical-align: top;
                     width: 100%; margin-left: 6.82em; }
+        .page-wrapper:has(.page-nav) .contents { margin-left: calc(6.82em + 16em + 2em); }
+        .page-wrapper:not(:has(.page-nav)) .contents { margin-left: 6.82em; }
+
+        @media (max-width: 735px) {
+          .page-nav { position: static; width: 100%; margin-bottom: 2em; }
+          .contents { margin-left: 6.82em; }
+          .page-wrapper:has(.page-nav) .contents { margin-left: 6.82em; }
+        }
         .contents :first-child { margin-top: 0; }
         h1, h2, h3, h4, h5, h6 { font-size: 1em; font-weight: normal; text-transform: uppercase; margin: 2em 0 1em; }
         ol, ul { padding-left: 1em; }
@@ -361,13 +375,14 @@ cat << _EOF_
         /* Footer nav is a template-baked nav -- presentation, on every page,
            declared by the theme rather than by any page. Uses the theme
            variables so it follows dark mode like everything else; it was
-           written against the light palette before dark mode landed. */
+           written against the light palette before dark mode landed.
+           Now left-aligned, body-width, with an ASCII separator. */
         footer.site-footer { margin-top: 3em; padding-top: 2em; font-size: .85em;
-                             border-top: 1px solid var(--border-light);
-                             text-align: center; }
-        footer.site-footer .footer-link { display: inline-block; margin: 0 1em;
-                                          text-decoration: none;
-                                          color: var(--text-muted); }
+                             text-align: left; max-width: 60ch; margin-left: 6.82em; }
+        footer.site-footer::before { content: "---"; display: block; color: var(--text-muted);
+                                     margin-bottom: 1em; }
+        footer.site-footer .footer-link { display: block; text-decoration: none;
+                                          color: var(--text-muted); margin-bottom: .5em; }
         footer.site-footer .footer-link:hover { color: var(--link-nav-hover); }
       </style>
       <script>
@@ -408,11 +423,13 @@ cat << _EOF_
       <header><a href="$URL_PREFIX/"$([ -z "${PAGE_CRUMBS:-}" ] && echo ' class="current"')>$(html_escape "${BLOG_TITLE:-}")</a>$(crumbs)</header>
       <article>
       <div class="heading heading-page"><a href="$URL_PREFIX/" class="home" aria-label="Back to the index">&#x2190;&#xFE0E;</a><h1 class="title">$(html_escape "${POST_TITLE:-}")</h1></div>
-        <div class="contents">
+        <div class="page-wrapper">
         $(page_nav)
+        <div class="contents">
         $(echo "${POST_CONTENTS:-}")
         <div class="tags">$(for i in $TAGS; do echo "<a href=\"../tag/$i/\">$(html_escape "$i")</a>"; done;)</div>
         </div>
+        </div>
       </article>
       $(render_footer_nav)
     </body>
diff --git a/test/regressions.sh b/test/regressions.sh
index 879cc01..8961503 100755
--- a/test/regressions.sh
+++ b/test/regressions.sh
@@ -1271,4 +1271,85 @@ printf '# Section\nLink\t/link\n' > "$tn/navs/site-footer.tsv"
 run_jenny "$tn"
 assert_eq "$(grep -c 'class="footer-link"' "$tn/.dist/test.html")" "1"
 
+suite "page nav sidebar layout"
+
+it "a page with nav renders the nav as a sidebar, not inside .contents"
+nav_sb="$TMPROOT/navsidebar"
+make_blog_min "$nav_sb" 2 10
+mkdir -p "$nav_sb/pages" "$nav_sb/navs"
+printf 'Item\t/item\n' > "$nav_sb/navs/side.tsv"
+printf 'Nav: side\n\n# Title\n\nBody.\n' > "$nav_sb/pages/test.md"
+run_jenny_split "$nav_sb"
+
+it "the nav is wrapped in a .page-wrapper container"
+assert_file_contains "$nav_sb/.dist/test.html" '<div class="page-wrapper">'
+
+it "the nav is outside of .contents, directly in .page-wrapper"
+# Extract page-wrapper block and verify nav comes before contents
+wrapper=$(sed -n '/<div class="page-wrapper">/,/<\/div>/p' "$nav_sb/.dist/test.html")
+# Count lines of nav block - it should appear first
+if printf '%s' "$wrapper" | head -10 | grep -q '<nav class="page-nav"'; then
+  pass "nav element appears early in page-wrapper"
+else
+  fail "nav element should appear near start of page-wrapper"
+fi
+
+it "the nav is not nested inside .contents"
+assert_file_not_contains "$nav_sb/.dist/test.html" '<div class="contents">.*<nav'
+
+it "the page-nav has position: absolute for sidebar layout"
+assert_file_contains "$nav_sb/.dist/test.html" 'position: absolute'
+
+it "the page-nav width is 16em for the sidebar"
+assert_file_contains "$nav_sb/.dist/test.html" 'width: 16em'
+
+it "the page-nav is positioned relative to page-wrapper"
+assert_file_contains "$nav_sb/.dist/test.html" '.page-wrapper { position: relative'
+
+it "a page without nav still renders its body via .page-wrapper:not(:has(.page-nav)) CSS"
+printf '# Plain\n\nNo nav.\n' > "$nav_sb/pages/plain.md"
+run_jenny_split "$nav_sb"
+# Page without nav should have .page-wrapper:not(:has(.page-nav)) selector in CSS
+assert_file_contains "$nav_sb/.dist/plain.html" '.page-wrapper:not(:has(.page-nav))'
+
+it "the build is clean for nav sidebar"
+assert_eq "$stderr_output" ""
+
+suite "footer layout changes"
+
+it "the site footer is left-aligned, not centred"
+assert_file_contains "$nav_sb/.dist/test.html" 'text-align: left'
+
+it "the footer width matches the body content column (60ch)"
+assert_file_contains "$nav_sb/.dist/test.html" 'max-width: 60ch'
+
+it "the footer has left margin matching the body content left margin"
+assert_file_contains "$nav_sb/.dist/test.html" 'margin-left: 6.82em'
+
+it "the footer separator is specified via CSS content property"
+assert_file_contains "$nav_sb/.dist/test.html" 'content: "---"'
+
+it "the footer separator is rendered as a block element"
+assert_file_contains "$nav_sb/.dist/test.html" 'footer.site-footer::before { content: "---"; display: block'
+
+it "footer links display as blocks, not inline"
+assert_file_contains "$nav_sb/.dist/test.html" '.footer-link { display: block'
+
+it "footer links no longer have inline margins"
+assert_file_not_contains "$nav_sb/.dist/test.html" 'margin: 0 1em'
+
+it "the footer layout is clean on build"
+assert_eq "$stderr_output" ""
+
+suite "CSS variables completeness"
+
+it "all CSS variables used in page.sh are defined in all theme blocks"
+page_html=$(cat "$nav_sb/.dist/test.html")
+# Extract all var(--name) references
+vars_used=$(printf '%s' "$page_html" | grep -o 'var(--[^)]*)'  | sort -u)
+# Verify at least the key variables exist
+assert_file_contains "$nav_sb/.dist/test.html" '--text-muted'
+assert_file_contains "$nav_sb/.dist/test.html" '--link-nav'
+assert_file_contains "$nav_sb/.dist/test.html" '--bg-primary'
+
 summary