Code Deletion Log

Code Deletion Log

[2026-07-13] Refactor Session — Dead Code Cleanup

Duplicate Script Loading Fixed

  • _layouts/default.html — Removed duplicate MathJax + Mermaid script tags (both already loaded via _layouts/base.html). Eliminated redundant network requests on every page.

Duplicate CSS Removed

  • assets/css/custom-styles.css — Removed duplicate @import url() for Google Fonts (appeared twice in the same file).
  • assets/css/custom-styles.css — Removed duplicate #reading-progress { transition: ... } rule and merged into main rule.
  • assets/css/custom-styles.css — Removed duplicate .lightbox.active .lightbox-content img animation (same rule appeared in both animation section and lightbox section).

Unused CSS Declarations Removed

  • Callout variables: --callout-note-bg, --callout-note-border, --callout-tip-bg, --callout-tip-border, --callout-warn-bg, --callout-warn-border — CSS variables defined in :root and html.dark-mode but never referenced by any selector.
  • .post-thumbnail responsive rule — No .post-thumbnail exists anywhere in templates or HTML.
  • .post-share-bar in print media query — .post-share-bar was already removed previously; leftover reference cleared.

Unused CSS Selectors (already gone from earlier pass, verified clean)

  • share-btn, post-share-bar, post-share-label, callout, footnote-ref, footnotes-section, footnotes-list, series-banner, code-meta, line-numbers, line-numbers-rows, toc-collapsed, post-month-group — all confirmed absent from CSS file.

Unused JS Dead Code Removed

  • assets/js/custom-script.js — Removed CONFIG.NAVBAR_HEIGHT: 58 (unused constant).
  • assets/js/custom-script.js — Removed PostTableOfContents.allExpanded = false (unused property, never toggled).

Impact

  • Files modified: 3
    • _layouts/default.html (10 lines removed)
    • assets/css/custom-styles.css (329 lines removed: 1647 → 1318)
    • assets/js/custom-script.js (2 lines removed)
  • Lines of code removed: ~240 (net diff)
  • CSS bundle reduction: ~20% smaller

Build Verification

  • bundle exec jekyll build — PASS (no errors related to changes)

Safety

  • All changes verified via grep for remaining references to removed classes/selectors
  • No dynamic imports affected
  • No public API surface changed
  • Pre-existing _site/index.html conflict unrelated to this session

Notes

  • .search-hint in search.md (404 page) has CSS class in HTML but no corresponding CSS rule — minor, not breaking.
  • --table-radius, --table-border-strong, --table-cell-bg CSS variables kept for potential future use in table styling.

[2026-10-22] Minimalist Redesign — Effects & Controls Removal

Controls Removed (buttons/widgets)

  • assets/js/custom-script.js — Removed ScrollManager, ReadingProgress (reading progress bar), ScrollToTop (floating button), and ReadMode (read-mode toggle) modules. Removed SCROLL_TO_TOP_THRESHOLD from CONFIG.
  • _layouts/post.html — Removed the .read-mode-toggle button from the metadata bar.
  • assets/css/custom-styles.css — Removed all #reading-progress, #scroll-to-top, .read-mode-toggle, and html.read-mode rules.

Effects Removed

  • assets/css/custom-styles.css — Removed all transition/animation/@keyframes declarations (global * transition, lightbox zoom, modal fades); state changes are now instant.
  • assets/css/custom-styles.css — Removed animated gradient link underline; replaced with text-decoration: underline on hover.
  • assets/css/custom-styles.css — Removed --shadow-sm/--shadow-md/--shadow-lg variables and their uses; kept only --shadow-xl for the lightbox overlay. Removed pre inset shadow, table row hover, .lightbox-content img:hover scale, custom scrollbar styling, --table-row-hover.

Visual Restyle (typography per reference blogs)

  • --reading-font-size 15px root × 1.175rem → 16px root × 1.06rem; --reading-line-height 1.8 → 1.7; mobile 1.125rem → 1rem.
  • Removed letter-spacing/word-spacing on body; metadata bar no longer uppercase.
  • .post-toc-box flattened: no background/border card, hairline top border only.
  • .blog-tags links: plain gray text, no chip border/background.
  • Code copy-btn now invisible until pre:hover or focus.

Build Verification

  • bundle exec jekyll build --future — PASS (baseline and post-change).

Notes

  • fresh-badge text in metadata keeps inline text style (no dedicated CSS existed).
  • .copy-btn .copied no longer inverts to black background; single-weight feedback kept in both themes.

[2026-10-22] Simplification Pass — JS and CSS

JS: 713 → 356 lines

  • TocHighlight deleted — it toggled .active on TOC links but no CSS rule existed for it.
  • AutoNumbering deleted — kramdown already emits heading ids (verified in built HTML).
  • ReadingTime deleted — reading time and word count are now computed by Liquid in _layouts/post.html.
  • EnhancedSearch rewritten from 388 lines to ~110: simple substring filter with diacritic folding, same modal, same keyboard controls.
  • DarkMode collapsed to one preferred() / apply() pair; duplicate aria-label logic removed.
  • escapeHtml and normalize helpers are now shared by search and the /search/ page.

/search/ page: 247 → 57 lines

  • Inline 100-line JS replaced with a 40-line consumer of the shared window.SiteSearch API.
  • 150-line inline <style> block deleted; page styles moved to custom-styles.css (14 lines).
  • Removed stale blue accent rgba(63, 81, 181, …), hover transforms, and card borders from the page.

CSS: 1,164 → 1,123 lines

  • Deleted 12 unused variables (--palette-*, --accent-hover/light/subtle, --bg-secondary, --bg-elevated, --border-secondary, --border-focus, --radius-xl, --reading-font-size-sm, --table-radius, --table-cell-bg).
  • Removed duplicate declarations: --table-border-strong, --table-header-bg, contain in .lightbox, two .blog-post blocks.
  • Defined --table-header-bg in :root (it was referenced but undefined, so the header band only appeared in dark mode).
  • Removed redundant dark-mode table, post-preview, copy-button, and blockquote rules; variables now carry those values.
  • .copy-btn background uses --code-bg, so it needs no dark override.
  • Stale section list in the header comment replaced with the actual structure.

Verification

  • bundle exec jekyll build --future — PASS.
  • Rendered post shows 9 min read, 2,112 words, TOC markup, and search modal.
  • node --check assets/js/custom-script.js — PASS.

[2026-10-22] Body Font — Lora → Source Serif 4

  • _includes/head.html — Single Google Fonts request now loads Be Vietnam Pro, Source Serif 4 (italic + optical size), and JetBrains Mono.
  • Removed the invalid &subset=vietnamese parameter. The css2 API ignores it and already returns the Vietnamese unicode-range block.
  • _layouts/base.html — Removed the theme’s separate Lora request (one render-blocking font request less).
  • assets/css/custom-styles.css — --font-serif and the theme’s --body-font both point to Source Serif 4, with Lora as fallback.
  • Removed duplicate --radius-lg and --navbar-height declarations left over from the simplification pass.

Verification

  • bundle exec jekyll build --future — PASS.
  • Fonts URL returns HTTP 200 with all 3 families and 9 /* vietnamese */ blocks.
  • Built CSS: body uses var(--font-serif); custom-styles.css loads after beautifuljekyll.css.

  • Browser check in both themes still pending.

  • 2026-10-22 Layout/size/width matched to alexwang.ai /posts/associative-memory/: page frame 964/900, article 884px, body 16px base / article 20px 1.65, headings 30/23.4px, hairline tables/callouts, TOC details + fixed rail >=1360px.