diff options
Diffstat (limited to '_shared')
| -rw-r--r-- | _shared/components.css | 160 | ||||
| -rw-r--r-- | _shared/docs.css | 202 | ||||
| -rw-r--r-- | _shared/docs.js | 85 |
3 files changed, 447 insertions, 0 deletions
diff --git a/_shared/components.css b/_shared/components.css new file mode 100644 index 0000000..2b50d99 --- /dev/null +++ b/_shared/components.css @@ -0,0 +1,160 @@ +/* ============================================================ + panto docs — static component styles. + Extracted from the Pantograph design system's React components + (Badge, Tag, Terminal, CodeBlock, Callout) so the docs render + identically as plain HTML, with no JavaScript and no React. + These mirror the styles those components inject at runtime. + ============================================================ */ + +/* ---- Badge ----------------------------------------------------------- */ +.pg-badge { + display: inline-flex; align-items: center; gap: 5px; + font-family: var(--font-display); font-weight: var(--weight-semibold); + font-size: var(--text-2xs); letter-spacing: var(--tracking-label); + text-transform: uppercase; line-height: 1; white-space: nowrap; + padding: 4px 7px; border-radius: var(--radius-xs); + border: var(--border-thin) solid transparent; +} +.pg-badge__dot { width: 6px; height: 6px; border-radius: var(--radius-pill); background: currentColor; } +.pg-badge--neutral { color: var(--ink-2); background: var(--paper-2); border-color: var(--paper-3); } +.pg-badge--danger { color: var(--red-deep); background: var(--red-wash); border-color: var(--red-soft); } +.pg-badge--success { color: var(--green-deep); background: var(--green-wash); border-color: var(--green-soft); } +.pg-badge--ink { color: var(--paper-0); background: var(--ink-1); border-color: var(--ink-1); } +.pg-badge--outline { color: var(--ink-2); background: transparent; border-color: var(--border-default); } + +/* ---- Tag ------------------------------------------------------------- */ +.pg-tag { + display: inline-flex; align-items: center; gap: 6px; + font-family: var(--font-mono); font-weight: var(--weight-medium); + font-size: var(--text-xs); line-height: 1; white-space: nowrap; + color: var(--ink-1); background: var(--paper-0); + padding: 5px 9px; border-radius: var(--radius-pill); + border: var(--border-thin) solid var(--border-default); +} +.pg-tag__dot { width: 7px; height: 7px; border-radius: var(--radius-pill); flex: none; background: var(--ink-3); } + +/* ---- Callout (admonition) -------------------------------------------- */ +.pg-callout { + display: flex; gap: 12px; + padding: 13px 15px; + background: var(--paper-0); + border: var(--border-thin) solid var(--border-hairline); + border-left: var(--border-thick) solid var(--ink-3); + border-radius: var(--radius-sm); +} +.pg-callout__icon { flex: none; width: 18px; height: 18px; margin-top: 1px; color: var(--ink-3); } +.pg-callout__icon svg { width: 100%; height: 100%; } +.pg-callout__body { font: var(--weight-regular) var(--text-sm)/1.55 var(--font-sans); color: var(--ink-1); } +.pg-callout__title { + font: var(--weight-semibold) var(--text-2xs)/1 var(--font-display); + letter-spacing: var(--tracking-label); text-transform: uppercase; + margin: 0 0 5px; color: var(--ink-2); +} +.pg-callout__body p { margin: 0 0 var(--space-2); } +.pg-callout__body :last-child { margin-bottom: 0; } +.pg-callout--note { border-left-color: var(--ink-3); } +.pg-callout--tip { border-left-color: var(--green); background: var(--green-wash); } +.pg-callout--tip .pg-callout__icon, .pg-callout--tip .pg-callout__title { color: var(--green-deep); } +.pg-callout--warn { border-left-color: var(--brass); background: #F0E7D0; } +.pg-callout--warn .pg-callout__icon, .pg-callout--warn .pg-callout__title { color: #7A5E20; } +.pg-callout--danger { border-left-color: var(--red); background: var(--red-wash); } +.pg-callout--danger .pg-callout__icon, .pg-callout--danger .pg-callout__title { color: var(--red-deep); } + +/* ---- CodeBlock ------------------------------------------------------- */ +.pg-code { + background: var(--surface-code); + border: var(--border-thin) solid var(--border-default); + border-radius: var(--radius-md); + overflow: hidden; + font-family: var(--font-mono); +} +.pg-code__bar { + display: flex; align-items: center; gap: 10px; + padding: 8px 12px; background: var(--paper-2); + border-bottom: var(--border-thin) solid var(--border-hairline); +} +.pg-code__name { font: var(--weight-medium) var(--text-xs)/1 var(--font-mono); color: var(--ink-2); } +.pg-code__lang { + font: var(--weight-semibold) var(--text-2xs)/1 var(--font-display); + letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--ink-3); + margin-left: auto; padding-right: 4px; +} +.pg-code__copy { + display: inline-flex; align-items: center; gap: 5px; + font: var(--weight-medium) var(--text-2xs)/1 var(--font-display); + letter-spacing: 0.1em; text-transform: uppercase; + color: var(--ink-3); background: none; border: 0; cursor: pointer; + padding: 4px 6px; border-radius: var(--radius-xs); + transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out); +} +.pg-code__copy:hover { color: var(--ink-0); background: var(--paper-1); } +.pg-code__copy--done { color: var(--green-deep); } +.pg-code__copy svg { width: 13px; height: 13px; } +.pg-code__copy .pg-code__check { display: none; } +.pg-code__copy--done .pg-code__check { display: inline; } +.pg-code__copy--done .pg-code__copyglyph { display: none; } +.pg-code__scroll { overflow-x: auto; padding: 14px 16px; } +.pg-code pre { font-size: var(--text-sm); line-height: var(--leading-mono); color: var(--ink-1); margin: 0; } +.pg-code code { font-family: inherit; background: none; border: 0; padding: 0; color: inherit; } +/* token colors for hand-marked spans */ +.pg-code .tok-kw { color: var(--green-deep); } +.pg-code .tok-str { color: var(--red-deep); } +.pg-code .tok-com { color: var(--ink-4); font-style: italic; } +.pg-code .tok-fn { color: var(--ink-0); font-weight: 500; } +.pg-code .tok-num { color: var(--brass); } + +/* ---- Terminal -------------------------------------------------------- */ +.pg-term { + background: var(--ink-1); + border: var(--border-thin) solid var(--ink-0); + border-radius: var(--radius-md); + overflow: hidden; + box-shadow: var(--shadow-md); + font-family: var(--font-mono); +} +.pg-term__bar { + display: flex; align-items: center; gap: 8px; + padding: 9px 12px; background: #232B3B; + border-bottom: var(--border-thin) solid #2E3749; +} +.pg-term__dot { width: 9px; height: 9px; border-radius: var(--radius-pill); } +.pg-term__title { + margin-left: 6px; + font: var(--weight-semibold) var(--text-2xs)/1 var(--font-display); + letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--paper-4); +} +.pg-term__body { padding: 14px 16px; overflow-x: auto; font-size: var(--text-sm); line-height: 1.65; } +.pg-term__line { white-space: pre; color: var(--paper-2); } +.pg-term__line .pg-term__prompt { color: var(--green-soft); user-select: none; } +.pg-term__line .pg-term__panto { color: var(--red-soft); user-select: none; } +.pg-term__line--cmd { color: var(--paper-0); } +.pg-term__line--out { color: var(--paper-4); } +.pg-term__line--ok { color: var(--green-soft); } +.pg-term__line--err { color: var(--red-soft); } +.pg-term__line--com { color: #6E7689; font-style: italic; } +.pg-term__cursor { + display: inline-block; width: 8px; height: 1.05em; vertical-align: text-bottom; + background: var(--red); margin-left: 2px; + animation: pg-term-blink 1.1s steps(1) infinite; +} +@keyframes pg-term-blink { 50% { opacity: 0; } } +@media (prefers-reduced-motion: reduce) { .pg-term__cursor { animation: none; } } +/* panto TUI mock: welcome banner, user block, tool boxes, footer, input frame */ +.pg-term__line--accent { color: var(--red-soft); } +.pg-term__line--dim { color: #6E7689; } +.pg-term__user { + white-space: pre-wrap; color: var(--paper-0); + background: rgba(178,58,46,0.16); padding: 5px 10px; margin: 3px 0; +} +.pg-term__tool { margin: 3px 0; } +.pg-term__tool-head { white-space: pre; color: var(--paper-0); padding-left: 1ch; } +.pg-term__tool-body { + white-space: pre; color: var(--paper-4); + padding: 3px 0 0 calc(1ch + 8px); margin-left: 1ch; + border-left: 2px solid #2E3749; +} +.pg-term__add { color: var(--green-soft); } +.pg-term__del { color: var(--red-soft); } +.pg-term .pg-term__rule { border: 0; border-top: 1px solid #2E3749; margin: 7px 0; } +.pg-term code { background: none; border: 0; padding: 0; color: var(--green-soft); font: inherit; } +.pg-term__user code { color: inherit; } diff --git a/_shared/docs.css b/_shared/docs.css new file mode 100644 index 0000000..bfa1e44 --- /dev/null +++ b/_shared/docs.css @@ -0,0 +1,202 @@ +/* ============================================================ + panto docs — shared documentation chrome. + Built on the Pantograph design system tokens. Class prefix: pd- + ============================================================ */ + +body { margin: 0; background: var(--surface-page); } +html { scroll-behavior: smooth; } +@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } } + +.pd-app { min-height: 100vh; } + +/* ---- Header ---------------------------------------------------------- */ +.pd-header { + position: sticky; top: 0; z-index: 30; + display: flex; align-items: center; gap: var(--space-5); + height: 60px; padding: 0 var(--space-6); + background: color-mix(in srgb, var(--paper-1) 88%, transparent); + backdrop-filter: blur(8px); + border-bottom: var(--border-thin) solid var(--border-hairline); +} +.pd-header__left { display: flex; align-items: center; gap: var(--space-3); } +.pd-menu { display: none; background: none; border: 0; cursor: pointer; color: var(--ink-2); font-size: 20px; padding: 4px; } +.pd-brand { display: flex; align-items: center; gap: 9px; text-decoration: none; } +.pd-brand:hover { text-decoration: none; } +.pd-brand__word { font: 700 20px var(--font-display); letter-spacing: -0.01em; color: var(--ink-0); } +.pd-brand__div { color: var(--paper-4); font: 400 18px var(--font-display); } +.pd-brand__sub { font: 600 18px var(--font-display); color: var(--ink-3); } +.pd-nav { display: flex; gap: 2px; margin-left: var(--space-4); } +.pd-nav__link { + font: 500 var(--text-sm)/1 var(--font-sans); color: var(--ink-3); + padding: 8px 11px; border-radius: var(--radius-xs); text-decoration: none; + transition: color var(--dur-fast), background var(--dur-fast); +} +.pd-nav__link:hover { color: var(--ink-1); background: var(--paper-2); text-decoration: none; } +.pd-nav__link--active { color: var(--ink-0); font-weight: 600; } +.pd-header__right { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; } +.pd-ghlink { display: inline-flex; align-items: center; gap: 7px; font: 500 var(--text-sm) var(--font-mono); color: var(--ink-2); text-decoration: none; } +.pd-ghlink:hover { color: var(--ink-0); text-decoration: none; } +.pd-ghlink svg { font-size: 16px; } + +/* ---- Shell grid ------------------------------------------------------ */ +.pd-shell { + display: grid; + grid-template-columns: var(--sidebar-width) minmax(0, 1fr) 220px; + max-width: 1340px; margin: 0 auto; + align-items: start; +} +.pd-sidebar { + position: sticky; top: 60px; align-self: start; + height: calc(100vh - 60px); overflow: hidden; + border-right: var(--border-thin) solid var(--border-hairline); +} +.pd-sidebar__scroll { height: 100%; overflow-y: auto; padding: var(--space-5) var(--space-4) var(--space-8); } +.pd-navsec { margin-bottom: var(--space-5); } +.pd-navsec__title { + display: flex; align-items: center; gap: 7px; + font: 600 var(--text-2xs) var(--font-display); letter-spacing: var(--tracking-label); + text-transform: uppercase; color: var(--ink-4); margin: 0 0 var(--space-2); padding-left: 10px; +} +.pd-navsec__title svg { font-size: 13px; } +.pd-navsec--current .pd-navsec__title { color: var(--red-deep); } +.pd-navsec__list { list-style: none; margin: 0; padding: 0; } +.pd-navsec__link { + display: block; font: 400 var(--text-sm)/1.2 var(--font-sans); color: var(--ink-2); + text-decoration: none; padding: 7px 10px; border-radius: var(--radius-xs); + border-left: 2px solid transparent; transition: color var(--dur-fast), background var(--dur-fast), border-color var(--dur-fast); +} +.pd-navsec__link:hover { color: var(--ink-0); background: var(--paper-2); text-decoration: none; } +.pd-navsec__link--active { + color: var(--red-deep); font-weight: 600; background: var(--paper-0); + border-left-color: var(--red); +} +.pd-navsec__link code { background: none; border: 0; padding: 0; color: inherit; font-size: 0.92em; } + +/* ---- Main ------------------------------------------------------------ */ +.pd-main { padding: var(--space-6) var(--space-7) var(--space-9); min-width: 0; } +.pd-doc { max-width: 800px; } +.pd-eyebrow { display: block; margin-bottom: var(--space-2); } +.pd-doc__h1 { font: 700 var(--text-3xl) var(--font-display); color: var(--ink-0); letter-spacing: -0.01em; margin: 0 0 var(--space-4); } +.pd-doc__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-bottom: var(--space-5); } +.pd-lead { font: 400 var(--text-md)/1.6 var(--font-serif); color: var(--ink-1); margin: 0 0 var(--space-6); max-width: 66ch; } + +.pd-h2 { + font: 600 var(--text-xl) var(--font-sans); color: var(--ink-0); + margin: var(--space-8) 0 var(--space-4); padding-bottom: var(--space-2); + border-bottom: var(--border-thin) solid var(--border-hairline); + scroll-margin-top: 76px; +} +.pd-h3 { font: 600 var(--text-lg) var(--font-sans); color: var(--ink-0); margin: var(--space-6) 0 var(--space-3); scroll-margin-top: 76px; } +.pd-body { font: 400 var(--text-base)/1.65 var(--font-sans); color: var(--ink-1); max-width: 66ch; } +.pd-body + .pd-body { margin-top: var(--space-4); } +.pd-doc a { text-decoration-thickness: 1px; } +.pd-doc > .pg-callout, .pd-doc .pd-callout { margin: var(--space-5) 0; } +.pd-doc .pg-code, .pd-doc .pg-term { margin: var(--space-4) 0; max-width: 800px; } +.pd-section { margin-bottom: var(--space-2); } + +/* ---- Command signature header --------------------------------------- */ +.pd-cmd { + display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-3); + margin: var(--space-6) 0 var(--space-2); scroll-margin-top: 76px; +} +.pd-cmd__sig { + font: 600 var(--text-md) var(--font-mono); color: var(--ink-0); + background: var(--surface-code); border: var(--border-thin) solid var(--border-default); + border-radius: var(--radius-sm); padding: 5px 10px; +} +.pd-cmd__sig .opt { color: var(--ink-3); } +.pd-cmd__note { font: 400 var(--text-sm) var(--font-sans); color: var(--ink-3); } + +/* ---- Option / parameter list ---------------------------------------- */ +.pd-opts { display: flex; flex-direction: column; gap: 0; margin: var(--space-4) 0; border-top: var(--border-thin) solid var(--border-hairline); } +.pd-opt { + display: grid; grid-template-columns: minmax(160px, 240px) 1fr; gap: var(--space-4); + padding: var(--space-4) var(--space-2); border-bottom: var(--border-thin) solid var(--border-hairline); +} +.pd-opt__key { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; } +.pd-opt__name { font: 500 var(--text-sm) var(--font-mono); color: var(--ink-0); } +.pd-opt__type { font: 400 var(--text-xs) var(--font-mono); color: var(--green-deep); } +.pd-opt__desc { font: 400 var(--text-sm)/1.6 var(--font-sans); color: var(--ink-1); } +.pd-opt__desc code { font-size: 0.9em; } +.pd-opt__desc p { margin: 0 0 var(--space-2); } +.pd-opt__desc p:last-child { margin: 0; } +@media (max-width: 640px) { .pd-opt { grid-template-columns: 1fr; gap: var(--space-2); } } + +/* ---- Table ----------------------------------------------------------- */ +.pd-table-wrap { border: var(--border-thin) solid var(--border-hairline); border-radius: var(--radius-md); overflow: hidden; margin: var(--space-4) 0; } +.pd-table { width: 100%; border-collapse: collapse; font: 400 var(--text-sm) var(--font-sans); } +.pd-table th { + text-align: left; font: 600 var(--text-2xs) var(--font-display); letter-spacing: var(--tracking-label); + text-transform: uppercase; color: var(--ink-3); background: var(--paper-2); + padding: 10px 14px; border-bottom: var(--border-thin) solid var(--border-hairline); +} +.pd-table td { padding: 11px 14px; border-bottom: var(--border-thin) solid var(--paper-2); color: var(--ink-1); vertical-align: top; } +.pd-table tr:last-child td { border-bottom: 0; } +.pd-table tr:nth-child(even) td { background: color-mix(in srgb, var(--paper-2) 40%, transparent); } +.pd-table td code { font-size: 0.9em; } +.pd-table .mono { font-family: var(--font-mono); } +.pd-table .t-type { font: 400 var(--text-xs) var(--font-mono); color: var(--green-deep); } +.pd-table .t-def { font: 400 var(--text-xs) var(--font-mono); color: var(--ink-3); } + +/* ---- Keycaps --------------------------------------------------------- */ +.pd-kbd { + display: inline-flex; align-items: center; gap: 4px; + font: 600 var(--text-xs) var(--font-mono); color: var(--ink-1); + background: var(--paper-0); border: var(--border-thin) solid var(--paper-4); + border-bottom-width: 2px; border-radius: var(--radius-sm); + padding: 3px 7px; white-space: nowrap; +} +.pd-keytable .pd-kbd { font-size: var(--text-sm); } + +/* ---- Inline tick rule ------------------------------------------------ */ +.pd-rule { margin: var(--space-7) 0; } + +/* ---- TOC ------------------------------------------------------------- */ +.pd-toc { position: sticky; top: 60px; padding: var(--space-6) var(--space-4); align-self: start; max-height: calc(100vh - 60px); overflow-y: auto; } +.pd-toc__title { font: 600 var(--text-2xs) var(--font-display); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--ink-4); margin: 0 0 var(--space-3); } +.pd-toc__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; } +.pd-toc__link { display: block; font: 400 var(--text-sm)/1.3 var(--font-sans); color: var(--ink-3); text-decoration: none; padding: 5px 10px; border-left: 2px solid var(--paper-3); transition: color var(--dur-fast), border-color var(--dur-fast); } +.pd-toc__link:hover { color: var(--ink-0); border-left-color: var(--ink-3); text-decoration: none; } +.pd-toc__link--active { color: var(--red-deep); border-left-color: var(--red); font-weight: 600; } + +/* ---- Prev / next footer --------------------------------------------- */ +.pd-prevnext { + display: flex; gap: var(--space-4); margin-top: var(--space-8); + padding-top: var(--space-5); border-top: var(--border-thin) solid var(--border-hairline); +} +.pd-pn { + flex: 1; display: flex; flex-direction: column; gap: 4px; text-decoration: none; + padding: var(--space-4); border: var(--border-thin) solid var(--border-hairline); + border-radius: var(--radius-md); background: var(--surface-card); box-shadow: var(--shadow-xs); + transition: box-shadow var(--dur-fast), border-color var(--dur-fast); +} +.pd-pn:hover { box-shadow: var(--shadow-sm); border-color: var(--border-default); text-decoration: none; } +.pd-pn--next { text-align: right; } +.pd-pn__dir { font: 600 var(--text-2xs) var(--font-display); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--ink-4); } +.pd-pn__title { font: 600 var(--text-base) var(--font-sans); color: var(--ink-0); } + +/* ---- Footnote / source line ----------------------------------------- */ +.pd-srcnote { font: 400 var(--text-xs)/1.6 var(--font-sans); color: var(--ink-3); margin-top: var(--space-6); } +.pd-srcnote code { font-size: 0.92em; } + +.pd-scrim { display: none; position: fixed; inset: 60px 0 0; z-index: 35; background: rgba(22,27,39,0.28); } + +/* ---- Responsive ------------------------------------------------------ */ +@media (max-width: 1120px) { + .pd-shell { grid-template-columns: var(--sidebar-width) minmax(0, 1fr); } + .pd-toc { display: none; } +} +@media (max-width: 860px) { + .pd-shell { grid-template-columns: minmax(0, 1fr); } + .pd-nav { display: none; } + .pd-menu { display: inline-flex; } + .pd-sidebar { + position: fixed; top: 60px; left: 0; z-index: 40; width: var(--sidebar-width); + background: var(--paper-1); transform: translateX(-105%); + transition: transform var(--dur-base) var(--ease-slide); + } + .pd-sidebar--open { transform: translateX(0); box-shadow: var(--shadow-lg); } + .pd-sidebar--open ~ .pd-scrim { display: block; } + .pd-main { padding: var(--space-5) var(--space-5) var(--space-8); } + .pd-prevnext { flex-direction: column; } +} diff --git a/_shared/docs.js b/_shared/docs.js new file mode 100644 index 0000000..7e07310 --- /dev/null +++ b/_shared/docs.js @@ -0,0 +1,85 @@ +/* panto docs — progressive enhancement only. + The site is fully functional with this file absent or JS disabled: + every nav item is a real link, all content is in the HTML. This adds + the mobile sidebar toggle, code copy buttons, and TOC scroll-spy. */ +(function () { + 'use strict'; + + /* ---- Mobile sidebar toggle ---------------------------------------- */ + var menuBtn = document.querySelector('[data-menu-toggle]'); + var sidebar = document.querySelector('.pd-sidebar'); + var scrim = document.querySelector('.pd-scrim'); + function closeMenu() { + if (sidebar) sidebar.classList.remove('pd-sidebar--open'); + } + if (menuBtn && sidebar) { + menuBtn.addEventListener('click', function () { + sidebar.classList.toggle('pd-sidebar--open'); + }); + } + if (scrim) scrim.addEventListener('click', closeMenu); + if (sidebar) { + sidebar.addEventListener('click', function (e) { + if (e.target.closest('a')) closeMenu(); + }); + } + + /* ---- Code copy buttons -------------------------------------------- */ + document.querySelectorAll('.pg-code__copy').forEach(function (btn) { + btn.addEventListener('click', function () { + var block = btn.closest('.pg-code'); + var pre = block && block.querySelector('pre'); + if (!pre) return; + var text = pre.innerText; + var done = function () { + btn.classList.add('pg-code__copy--done'); + var label = btn.querySelector('.pg-code__label'); + if (label) label.textContent = 'Copied'; + setTimeout(function () { + btn.classList.remove('pg-code__copy--done'); + if (label) label.textContent = 'Copy'; + }, 1400); + }; + if (navigator.clipboard) navigator.clipboard.writeText(text).then(done, done); + else done(); + }); + }); + + /* ---- Scroll-spy: highlight the active section in TOC + sidebar ---- */ + var tocLinks = Array.prototype.slice.call(document.querySelectorAll('.pd-toc__link')); + var sideLinks = Array.prototype.slice.call( + document.querySelectorAll('.pd-navsec--current .pd-navsec__link') + ); + if (!tocLinks.length || !('IntersectionObserver' in window)) return; + + var ids = tocLinks.map(function (a) { + var href = a.getAttribute('href') || ''; + return href.charAt(0) === '#' ? href.slice(1) : href.split('#')[1]; + }).filter(Boolean); + + function setActive(id) { + tocLinks.forEach(function (a) { + var h = a.getAttribute('href') || ''; + a.classList.toggle('pd-toc__link--active', h === '#' + id); + }); + sideLinks.forEach(function (a) { + var h = a.getAttribute('href') || ''; + a.classList.toggle('pd-navsec__link--active', h.split('#')[1] === id); + }); + } + + var visible = new Set(); + var obs = new IntersectionObserver(function (entries) { + entries.forEach(function (e) { + if (e.isIntersecting) visible.add(e.target.id); + else visible.delete(e.target.id); + }); + var first = ids.find(function (id) { return visible.has(id); }); + if (first) setActive(first); + }, { rootMargin: '-72px 0px -68% 0px', threshold: 0 }); + + ids.forEach(function (id) { + var el = document.getElementById(id); + if (el) obs.observe(el); + }); +})(); |