347 lines
22 KiB
Vue
347 lines
22 KiB
Vue
<!--
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StackLayout.vue — a brand-neutral, shared SCROLL-STACK layout for grouping elements top-to-bottom.
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★ WHY THIS EXISTS (the second shared layout, alongside VerticalTabsLayout). VerticalTabsLayout shows
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ONE element at a time (tabs, fixed-viewport panes). StackLayout does the OPPOSITE: it renders ALL of
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its elements STACKED VERTICALLY, each at its NATURAL height, so the whole thing grows the page and the
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HOST page scrolls through them — exactly how a normal host page flows.
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Use it to GROUP two (or more) elements on top of each other and embed the group on a page you scroll.
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★ SAME NESTED-ELEMENT CONTRACT as VerticalTabsLayout (so a shell composes other element-plugins). Pass
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:sections="[{ key, title?, sub?, element, src?, attrs? }]". For each section:
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element : a custom-element tag to render, e.g. "research-dashboard-map"
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src? : a bundle URL to inject (once, deduped) if `element` isn't registered yet
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attrs? : a map of attributes/props set on the element BEFORE it mounts ("props in advance")
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title? : an optional section heading rendered above the element (omit for a bare stack)
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A section can INSTEAD carry no `element` and use the #section-<key> slot (or the default slot) for
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host-rendered content — `element` is an ALTERNATIVE, not a replacement.
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★ EAGER, NOT LAZY (the deliberate difference from tabs). Because the whole point is to scroll through
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everything, every section's element mounts on FIRST RENDER (not on activation). If you only want the
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visible ones to load, that's the tabs layout's job; a scroll-stack shows all.
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★ THE LAYOUT OWNS THE SCROLL — the elements do NOT. This is the agent's scroll-page contract: a
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plugin dropped in a section only needs ROOM to display at full height; it never needs its own
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scrollbar. The root is `display:flow-root` with NO fixed height and NO `position:absolute; inset:0`
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— so it takes its content's natural height and the PARENT PAGE scrolls through everything. Each
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nested element is given `display:block; width:100%` and whatever height IT wants (a 900px dashboard
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makes the page 900px taller). Because many of our plugins ship their own `position:absolute; inset:0`
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/ `height:100%` (they were authored to fill a fixed-viewport tab pane), the host pane is defensive:
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it is `position:relative` and DEMOTES an absolutely/fixed-positioned direct child back to
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`position:static` so it lays out in the flow instead of collapsing the section to 0px. For such a
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self-sizing element that still can't measure its own height in flow, pass :min-section-height (or a
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section's own `minHeight`) to reserve room. Optionally cap a section with :max-section-height to give
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a genuinely tall element an inner scroll instead of an endless page (default: no cap = pure page
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scroll — a normal host page's flow).
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★ EMBEDDING A LAYOUT INSIDE A LAYOUT (scroll-page in the cap-5 main). The cap-5 SPA's shell is
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VerticalTabsLayout (sidebar + a FIXED-VIEWPORT content frame whose pane is `position:absolute;
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inset:0`). A raw StackLayout dropped straight into that pane would be clipped by the inset overlay,
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so the page can't grow. The proven layout-inside-a-layout path is therefore the IFRAME LEAF: a tab
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is registered `mode:'iframe'` and its leaf page renders THIS layout at document root, where the
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document itself owns the scroll. dashboard-plus-grid does exactly this (a cap-5 tab whose leaf is a
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StackLayout) — scroll-page inside the vertical-tabs main, proven end to end.
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★ SHADOW-DOM SAFE. Like VerticalTabsLayout, this is typically imported as a CHILD of a customElement
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root, so its <style> would be dropped from the shadow root. It injects its critical CSS via
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useShadowStyles() at setup(). Keep STL_SHADOW_CSS and the <style> mirror in sync.
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Slots: #brand / #meta (an optional top bar — omitted entirely if neither is used) · #section-<key>
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(host content for a section without `element`) · #default (a trailing host area at the bottom).
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-->
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<template>
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<div class="stl">
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<header class="stl-top" v-if="$slots.brand || $slots.meta || title">
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<span class="stl-brand"><slot name="brand" /></span>
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<b class="stl-title" v-if="title">{{ title }}</b>
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<span class="stl-meta"><slot name="meta" /></span>
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</header>
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<div class="stl-stack">
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<section
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v-for="sec in sections" :key="sec.key" class="stl-sec"
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:class="{ 'stl-sec-fill': hasDefiniteHeight(sec) }"
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:style="sectionStyle(sec)">
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<div class="stl-sec-head" v-if="sec.title">
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<b class="stl-sec-title">{{ sec.title }}</b>
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<span class="stl-sec-sub" v-if="sec.sub">{{ sec.sub }}</span>
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</div>
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<!-- element-bearing section → a host pane the element is mounted into imperatively. -->
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<div v-if="sec.element" class="stl-host" :ref="el => registerHost(sec.key, el)"></div>
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<!-- otherwise → host-rendered content via a per-section slot. -->
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<div v-else class="stl-slot"><slot :name="'section-' + sec.key" /></div>
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</section>
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<div class="stl-tail"><slot /></div>
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</div>
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</div>
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</template>
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<script>
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import { defineComponent } from 'vue'
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import { useShadowStyles } from '@map/composables/useShadowStyles.js'
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import { bundleTreeRoot } from '@map/utils/embedBase.js'
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// Inject a bundle script exactly once per URL (deduped across all layout instances). Same helper the
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// tabs layout + the SPA use — resolves after the IIFE's customElements.define has run.
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const _stlLoaded = {}
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// ★ ANCHOR A SIBLING-BUNDLE src TO THE TREE ROOT, NOT TO A GUESSED DEPTH.
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// THE BUG (the agent-reported 2026-09-23, verbatim console text):
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// Could not load <doxa-research-map> from ../../doxa-research-map/doxa-research-map.js
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// A composite declares its children as `src: '../../<bundle>/<bundle>.js'`. That literal is correct
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// from a ONE-deep leaf and wrong from a TWO-deep one, and the generator emits both:
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// /doxa-maps/research-map-plus-grid/research-map-plus-grid/index.html ../../ -> /doxa-maps/ 200
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// /doxa-maps/research-map-plus-grid/research-map-plus-grid/default/index.html ../../ -> /doxa-maps/research-map-plus-grid/ 404
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// MEASURED live: both leaves serve 200, the child script 404s only from the deeper one. So a
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// hardcoded relative path encodes an ASSUMPTION ABOUT THE HOST'S DEPTH that the host does not
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// control and cannot see — the classic relative-path failure, and the reason it survived: the
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// shallow leaf (which every gate happened to exercise) is genuinely fine.
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// THE FIX: find the tree root from the document's own URL — everything up to and including the
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// /doxa-maps/ segment — and rebuild the path from there. Depth-independent by construction rather
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// than tuned, so adding a third leaf depth later cannot reintroduce this.
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// Anything already absolute, protocol-relative or root-relative is passed through untouched; if no
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// /doxa-maps/ segment is found (a foreign mount) the original string is returned, so this can only
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// ever fix a path, never break one that was already working.
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// eslint-disable-next-line no-undef
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const TREE_SEGMENT = (typeof __DOXA_TREE_NAME__ !== 'undefined' ? __DOXA_TREE_NAME__ : 'doxa-maps').replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
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function resolveBundleSrc(url) {
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if (!url || /^(https?:)?\/\//.test(url) || url.startsWith('/')) return url
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const bare = url.replace(/^(\.\.\/)+/, '').replace(/^\.\//, '')
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// (1) The document is somewhere inside the tree — anchor on its own /<tree>/ segment. The name is
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// baked in at build time (vite define __DOXA_TREE_NAME__, from the build config), never a literal:
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// a hardcoded '/doxa-maps/' here broke every composite's nested bundles on a renamed tree.
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const m = new RegExp('^(.*/' + TREE_SEGMENT + '/)').exec(window.location.pathname)
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if (m) return m[1] + bare
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// (2) THE DOCUMENT IS NOT INSIDE THE TREE AT ALL, so there is no segment to anchor on.
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// the agent-reported 2026-09-23: <plugin-studio> mounts at the SERVER ROOT (/index.html) in both
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// trees, and from there this function's only anchor was missing, so it returned the literal
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// '../../doxa-research-map/doxa-research-map.js' unchanged. The browser resolved that against
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// '/' — where '../' cannot climb — and requested /doxa-research-map/doxa-research-map.js:
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// 404, and StackLayout's .catch() reported "Could not load <doxa-research-map>".
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// MEASURED on the built tree: the SAME composite opened at its own leaf renders perfectly, which
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// is why this survived — every gate and every screenshot used a leaf URL, and the studio is the
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// one host that is not one.
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// The answer is the tree root the BUNDLE ITSELF was served from. bundleTreeRoot() reads this
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// bundle's own script URL (rollup rewrites import.meta.url to document.currentScript.src in the
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// IIFE build), so it is a FACT about where the code came from rather than a guess about where the
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// page is — which is the lesson stack-demo.vue already wrote down after this same defect appeared
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// for the third time: "resolve at RUNTIME from something that knows which tree is serving."
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// It returns null in dev ESM and for any layout that is not <name>/<name>.js, so it never guesses.
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const root = bundleTreeRoot()
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if (root) return String(root).replace(/\/+$/, '') + '/' + bare
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// (3) Nothing knowable — return the original untouched. Together with (1) coming first, this
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// keeps every path that worked before byte-identical: this function can still only ever fix a
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// path, never break one.
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return url
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}
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function injectScriptOnce(rawUrl) {
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const url = resolveBundleSrc(rawUrl)
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if (!url) return Promise.resolve()
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if (_stlLoaded[url]) return _stlLoaded[url]
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_stlLoaded[url] = new Promise((ok, fail) => {
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const s = document.createElement('script')
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s.src = url
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// ★ A DEV ENTRY IS AN ES MODULE, AND A CLASSIC <script> LIES ABOUT LOADING IT.
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// Pointing a classic script at /plugin-designs/<bundle>/index.js fires onload SUCCESSFULLY and
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// only THEN throws "Cannot use import statement outside a module", asynchronously. So this
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// promise resolved, waitForDefine() below timed out, the tag never registered, and the section
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// rendered empty — with NO failed request and NO console error at the injection site. onload is
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// structurally incapable of detecting this.
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// MEASURED on stack-demo's dev leaf 2026-09-22: 0 failed requests, and yet
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// customElements.get('research-dashboard-map') === false with 0 rows rendered.
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// Same rule as plugin-studio.vue:255, which hit this first. It belongs HERE because StackLayout
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// is the SHARED layout — dashboard-plus-grid and research-map-plus-grid inject through this same
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// function, so one fix covers all three consumers instead of becoming a fourth private copy.
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if (/^\/plugin-designs\//.test(url) || /\/index\.js(\?|$)/.test(url)) s.type = 'module'
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s.onload = () => ok()
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s.onerror = () => { delete _stlLoaded[url]; fail(new Error('failed to load ' + url)) }
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document.head.appendChild(s)
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})
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return _stlLoaded[url]
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}
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function waitForDefine(tag, timeoutMs = 5000) {
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if (typeof customElements === 'undefined') return Promise.resolve()
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if (customElements.get(tag)) return Promise.resolve()
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if (customElements.whenDefined) {
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return Promise.race([
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customElements.whenDefined(tag),
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new Promise((_, r) => setTimeout(() => r(new Error('timeout waiting for <' + tag + '>')), timeoutMs))
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])
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}
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return Promise.resolve()
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}
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// Mirror of the <style> block for the shadow root (kept comment/interp-free for the strip plugin).
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const STL_SHADOW_CSS = `
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.stl { display:flow-root; width:100%; min-height:100%; background:#f3f3f1; color:#3b463d; font-family:'Public Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif; -webkit-font-smoothing:antialiased; --stl-accent:#92b195; --stl-border:#d1d4cd; --stl-elevated:#ffffff; --stl-muted:#6d766e; }
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.stl-top { display:flex; align-items:center; gap:10px; padding:11px 16px; border-bottom:1px solid var(--stl-border); background:#ffffff; position:sticky; top:0; z-index:5; }
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.stl-brand { display:inline-flex; align-items:center; }
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.stl-brand:empty { display:none; }
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.stl-title { font-size:15px; font-weight:600; letter-spacing:-0.01em; color:#3b463d; }
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.stl-meta { color:var(--stl-muted); font-size:12px; margin-left:auto; display:inline-flex; align-items:center; gap:8px; }
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.stl-stack { display:flex; flex-direction:column; }
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.stl-sec { display:flex; flex-direction:column; min-width:0; border-bottom:1px solid var(--stl-border); }
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.stl-sec:last-child { border-bottom:0; }
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.stl-sec-head { padding:12px 16px 8px; display:flex; align-items:baseline; gap:10px; }
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.stl-sec-title { font-size:13px; font-weight:600; letter-spacing:.02em; color:#3b463d; }
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.stl-sec-sub { font-size:12px; color:var(--stl-muted); }
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.stl-host { display:block; width:100%; min-width:0; position:relative; }
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.stl-host > * { display:block; width:100%; }
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.stl-host > *[style*="absolute"], .stl-host > *[style*="fixed"] { position:static !important; inset:auto !important; }
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.stl-slot { display:block; width:100%; }
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.stl-tail:empty { display:none; }
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.stl-sec-fill { position:relative; overflow:hidden; }
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.stl-sec-fill > .stl-host, .stl-sec-fill > .stl-slot { position:absolute; inset:0; overflow:hidden; }
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.stl-sec-fill > .stl-host > *, .stl-sec-fill > .stl-slot > * { height:100%; }
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.stl, .stl * { scrollbar-width:thin; scrollbar-color:#c4c8c0 transparent; }
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.stl ::-webkit-scrollbar { width:8px; height:8px; }
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.stl ::-webkit-scrollbar-track { background:transparent; }
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.stl ::-webkit-scrollbar-thumb { background:#c4c8c0; border-radius:8px; }
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.stl ::-webkit-scrollbar-thumb:hover { background:#9aa197; }
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.stl ::-webkit-scrollbar-corner { background:transparent; }
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`
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export default defineComponent({
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name: 'StackLayout',
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props: {
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// [{ key, title?, sub?, element?, src?, attrs? }] — rendered top-to-bottom, all eager.
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sections: { type: Array, default: () => [] },
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// Optional top-bar title (omit for a bare stack with no header).
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title: { type: String, default: '' },
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// Optional per-section max height (e.g. '70vh') → that section gets an inner scroll instead of an
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// unbounded page. Default '' = no cap, pure page scroll (a normal host page's flow).
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maxSectionHeight: { type: String, default: '' },
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// Optional default MIN height for every section (e.g. '60vh') → reserves room for a self-sizing
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// element that ships its own fixed layout and can't measure its natural height in flow. A section
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// can override per-item with its own `minHeight`. Default '' = no floor (pure natural height).
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minSectionHeight: { type: String, default: '' }
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},
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setup() {
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useShadowStyles(STL_SHADOW_CSS, 'stack-layout')
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},
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data() {
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return { _hosts: {}, _mounted: {} }
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},
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mounted() {
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// Eager: mount every element-bearing section on first render (scroll-through shows all).
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for (const sec of (this.sections || [])) {
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if (sec.element) this.mountSection(sec)
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}
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},
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methods: {
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registerHost(key, el) { if (el) this._hosts[key] = el },
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// Per-section wrapper style: an optional inner-scroll cap (maxHeight) and/or a reserved floor
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// (minHeight, per-section override → layout default). Returns null when neither applies so a plain
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// section stays pure natural-height page-flow.
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sectionStyle(sec) {
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const s = {}
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const max = sec.maxHeight || this.maxSectionHeight
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const min = sec.minHeight || this.minSectionHeight
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// A definite-height section (min===max) is a fixed BAND: it must NOT get an inner section scroll —
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// the nested element (via .stl-sec-fill) fills it and owns any inner scroll, and the PAGE scrolls
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// past it. Only a cap-WITHOUT-a-matching-floor gets the maxHeight inner-scroll (`overflow:auto`).
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const definite = !!(max && min && max === min)
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if (max) { s.maxHeight = max; if (!definite) s.overflow = 'auto' }
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if (min) s.minHeight = min
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return Object.keys(s).length ? s : null
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},
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// A section is "definite-height" when it pins BOTH a floor and a cap to the SAME value (min===max):
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// its height is fixed, not natural. Such a section adds `.stl-sec-fill` so its host/slot + the nested
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// element stretch to fill it — the escape hatch for a fixed-viewport plugin (e.g. the research
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// dashboard) that ships `height:100%` and needs a definite parent height to resolve against, while
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// the OUTER page still grows below the section so page-scroll reaches the next section.
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hasDefiniteHeight(sec) {
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const max = sec.maxHeight || this.maxSectionHeight
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const min = sec.minHeight || this.minSectionHeight
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return !!(max && min && max === min)
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},
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mountSection(sec) {
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if (this._mounted[sec.key]) return
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this._mounted[sec.key] = true
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const host = this._hosts[sec.key]
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if (!host) return
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injectScriptOnce(sec.src)
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.then(() => waitForDefine(sec.element))
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.then(() => {
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if (!customElements.get(sec.element)) return
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const el = document.createElement(sec.element)
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const attrs = sec.attrs || {}
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for (const k in attrs) {
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const val = attrs[k]
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// props-in-advance: set as a property AND an attribute (custom elements read either).
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try { el[k] = val } catch { /* ignore */ }
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try { el.setAttribute(k, val == null ? '' : String(val)) } catch { /* ignore invalid attr name */ }
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}
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host.innerHTML = ''
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host.appendChild(el)
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})
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// ★ A FAILED SECTION MUST SAY SO (BUG-SIMPLE-RESEARCH-GREY-PANE, the agent reported 4x).
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// The rest of the stack still renders — that part was always right, and is why this catch
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// is per-section rather than around the whole loop. What was wrong is that it left the host
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// EMPTY and silent, so a composite whose children all failed rendered as a blank rectangle
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// with nothing in the console at this site. MEASURED under the dev server: <research-map-
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// plus-grid> mounted (count 1) with BOTH children 404 — 794px of pure grey and no message.
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// An empty band inside a working page is indistinguishable from a broken app, and it hid
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// this defect through four separate reports.
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//
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// The message is deliberately plain text in the host rather than a thrown error: throwing
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// here would abort the other sections, which is the one behaviour this catch exists to
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// prevent. Styling stays inline because the host is the consumer's node, not ours.
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.catch((e) => {
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const why = (e && e.message) || String(e)
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console.error('[StackLayout] section "' + sec.key + '" failed to mount <' +
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sec.element + '>' + (sec.src ? ' from ' + sec.src : '') + ': ' + why)
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try {
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host.innerHTML = ''
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const d = document.createElement('div')
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d.setAttribute('role', 'status')
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// overflow-wrap + break-word, because the payload is a URL: a long unbroken path
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// otherwise runs straight out of the card (measured — it overflowed the 1024px pane).
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// box-sizing + max-width:100% keep the card inside the host: the host can be narrower
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// than the message, and without these the margin is ADDED to a 100% width and the text
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// runs off the pane (measured — the URL escaped the 1024px pane twice before this).
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d.style.cssText = 'box-sizing:border-box;max-width:100%;' +
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'padding:16px;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;' +
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'color:#6d766e;background:#fff;border:1px solid #d1d4cd;border-radius:8px;margin:12px 0;' +
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'overflow-wrap:anywhere;word-break:break-word'
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d.textContent = 'Could not load <' + sec.element + '>' +
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(sec.src ? ' from ' + sec.src : '') + ' — ' + why
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host.appendChild(d)
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} catch { /* host detached mid-flight: nothing to report into */ }
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})
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}
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}
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})
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</script>
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<style>
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/* Mirror of STL_SHADOW_CSS for dev / light-DOM readability. Keep the two in sync.
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Brand-neutral default dark theme; consumers override via the --stl-* custom properties. */
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.stl { display:flow-root; width:100%; min-height:100%; background:#f3f3f1; color:#3b463d; font-family:'Public Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif; -webkit-font-smoothing:antialiased; --stl-accent:#92b195; --stl-border:#d1d4cd; --stl-elevated:#ffffff; --stl-muted:#6d766e; }
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.stl-top { display:flex; align-items:center; gap:10px; padding:11px 16px; border-bottom:1px solid var(--stl-border); background:#ffffff; position:sticky; top:0; z-index:5; }
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.stl-brand { display:inline-flex; align-items:center; }
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.stl-brand:empty { display:none; }
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.stl-title { font-size:15px; font-weight:600; letter-spacing:-0.01em; color:#3b463d; }
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.stl-meta { color:var(--stl-muted); font-size:12px; margin-left:auto; display:inline-flex; align-items:center; gap:8px; }
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.stl-stack { display:flex; flex-direction:column; }
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.stl-sec { display:flex; flex-direction:column; min-width:0; border-bottom:1px solid var(--stl-border); }
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.stl-sec:last-child { border-bottom:0; }
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.stl-sec-head { padding:12px 16px 8px; display:flex; align-items:baseline; gap:10px; }
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.stl-sec-title { font-size:13px; font-weight:600; letter-spacing:.02em; color:#3b463d; }
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.stl-sec-sub { font-size:12px; color:var(--stl-muted); }
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.stl-host { display:block; width:100%; min-width:0; position:relative; }
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.stl-host > * { display:block; width:100%; }
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.stl-host > *[style*="absolute"], .stl-host > *[style*="fixed"] { position:static !important; inset:auto !important; }
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.stl-slot { display:block; width:100%; }
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.stl-tail:empty { display:none; }
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.stl-sec-fill { position:relative; overflow:hidden; }
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.stl-sec-fill > .stl-host, .stl-sec-fill > .stl-slot { position:absolute; inset:0; overflow:hidden; }
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.stl-sec-fill > .stl-host > *, .stl-sec-fill > .stl-slot > * { height:100%; }
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.stl, .stl * { scrollbar-width:thin; scrollbar-color:#c4c8c0 transparent; }
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.stl ::-webkit-scrollbar { width:8px; height:8px; }
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.stl ::-webkit-scrollbar-track { background:transparent; }
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.stl ::-webkit-scrollbar-thumb { background:#c4c8c0; border-radius:8px; }
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.stl ::-webkit-scrollbar-thumb:hover { background:#9aa197; }
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.stl ::-webkit-scrollbar-corner { background:transparent; }
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</style>
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