f9433cfb63
Everything the flights landed since the first snapshot: all 11 interface languages complete, the gospel-resources campaign (audio Scripture pins for 2,121 languages, the Deaf-gap completion, 3,603 resource links verified), the shared poster wall with print-in-place, prayer-walk sharing, and the 34-gate build pipeline. Tree rebuilt from source; SRI consistent; hygiene clean.
290 lines
16 KiB
JavaScript
290 lines
16 KiB
JavaScript
#!/usr/bin/env node
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/**
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* check-synced-css-copies.mjs — when a component declares the same selector TWICE, both copies
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* must say the same thing.
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*
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* WHY A COMPONENT HAS TWO COPIES AT ALL (this is not duplication by accident). A shared component
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* renders in two different contexts:
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* - imported as a Vue child, where its scoped `<style>` block applies;
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* - mounted inside a custom element's shadow root, where scoped CSS does NOT reach it, so the
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* component injects the same rules with `useShadowStyles(\`…\`)`.
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* Both are load-bearing. The standing rule is that they stay identical — and nothing enforced it.
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*
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* THE DEFECT THIS CATCHES, found by running this audit by hand 2026-09-22:
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* `library/components/PeopleGroupDetail.vue` disagreed with itself on EIGHT colour properties, and
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* the shadow copy was DARK against a light `<style>` copy:
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* .detail-header background style="white" shadow="#16213e"
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* .stat-label color style="#666" shadow="#9ca3af"
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* .description-text color style="#555" shadow="#d1d5db"
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* The project rule is material LIGHT only, no dark mode. The literal is unconditional — no media
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* query, no theme check — so the component renders LIGHT when imported as a Vue child and DARK when
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* mounted in a shadow root. Six importers; the dark hex reached four shipped bundles.
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*
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* ★ WHY IT WAS INVISIBLE: it is a TWO-HOST bug. Whichever host you test, the component looks
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* correct there. This is the fourth two-host defect found this week (dropdown containing-block,
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* wheel scroll, grid affordances, and now CSS authoring) — the recurring shape of this codebase.
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*
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* WHAT IT ASSERTS. For every .vue file carrying BOTH a `<style>` block and a `useShadowStyles`
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* literal, every selector present in both must declare the same VALUE for every property present
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* in both. Compared as a property map, so `display: flex;` and `display:flex` are equal — the rule
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* is about meaning, not formatting, and a whitespace-sensitive check would drown real findings in
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* noise (measured: 20 "divergences" in one file, of which 8 were real).
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*
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* A property in only ONE copy is allowed: the two contexts legitimately need different rules (a
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* shadow copy often adds `:host` sizing a scoped block cannot express). Only a CONFLICT — both
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* copies naming the same property with different values — is a defect.
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*
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* SCOPE IS DERIVED, never listed: it walks library/ and plugin-designs/ for the pattern. A
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* hand-maintained file list is how check:template-literal silently missed 36 files (see its header
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* and AP-a-gate-that-is-right-about-the-rule-and-wrong-about-the-files).
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*
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* NEGATIVE-TESTED: changing one colour in either copy of a synced file fails by name.
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*/
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import { readFileSync, readdirSync, existsSync } from 'node:fs'
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import { resolve, dirname, join } from 'node:path'
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import { fileURLToPath } from 'node:url'
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const ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..')
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function vuesUnder(root) {
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const abs = join(ROOT, root)
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if (!existsSync(abs)) return []
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const out = []
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const walk = (d) => {
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for (const e of readdirSync(d, { withFileTypes: true })) {
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if (e.name === 'node_modules' || e.name.startsWith('.')) continue
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const p = join(d, e.name)
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if (e.isDirectory()) walk(p)
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else if (e.name.endsWith('.vue')) out.push(p)
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}
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}
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walk(abs)
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return out
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}
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const stripComments = (t) => t.replace(/\/\*[\s\S]*?\*\//g, '')
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// A rule body -> { property: value }. Formatting-insensitive on purpose.
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const propsOf = (body) => {
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const o = {}
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for (const decl of stripComments(body).split(';')) {
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const i = decl.indexOf(':')
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if (i < 0) continue
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const k = decl.slice(0, i).trim()
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if (!k || k.startsWith('-')) continue
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// Normalise COMMA SPACING too, not just run-length. A minified shadow copy writes
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// `color .15s,border-color .15s` where the <style> block writes `color .15s, border-color .15s`
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// — identical meaning, and reporting it buries the real findings. First run of this gate
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// produced 5 conflicts for doxa-simple-map of which 2 were pure comma spacing; a gate whose
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// output is 40% noise is one people learn to skim.
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o[k] = decl.slice(i + 1).trim().replace(/\s+/g, ' ').replace(/\s*,\s*/g, ',')
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}
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return o
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}
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// Class-selector rules only. Pseudo-element and media-query variants are distinct rules and would
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// produce false "divergences" if folded together — an early hand-check reported 12 copies / 5
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// distinct for .vtl-nav purely because ::-webkit-scrollbar variants were swept in.
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// ★ MERGE every rule for a selector; do NOT let the last one win.
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// A selector is routinely declared more than once — a base rule plus media-query overrides. The
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// first version of this gate assigned `m[sel] = props`, so only the LAST declaration survived and
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// every property that appeared solely in the base rule became invisible.
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//
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// MEASURED: .stl-titlebar in SemanticTreeLegend.vue has TWO rules in each copy — a base rule
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// carrying `gap: 6px` and a media-query rule carrying only `border-color`. Injecting `gap: 99px`
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// into the shadow copy produced NO finding, because both maps had already discarded the base rule.
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// A gate silently blind to base rules would have passed this file forever.
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//
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// Merging is the honest model here: the question is "do the two copies ever disagree about this
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// property", and a property declared in a base rule is just as real as one in an override. Later
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// declarations win within a copy, matching CSS cascade order, so a value genuinely overridden in
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// both copies still compares equal.
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// ★ THE KEY IS THE FULL SELECTOR, NOT ITS LAST CLASS (fixed 2026-09-23).
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// The pattern was /(^|[}\s;])(\.[a-z][\w-]*)\s*\{/ keyed on that one class, so ANY rule whose
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// selector ended in a class was filed under that class regardless of what qualified it. A
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// CONDITIONAL rule therefore merged into its own UNCONDITIONAL base rule, with two consequences:
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//
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// FALSE POSITIVES — the merged pair was reported as the file disagreeing with itself. All 13 of
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// the gate's false findings were this: .dark-mode .detail-header folded into .detail-header,
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// .dsm-dark .dsm-error into .dsm-error, :host(:fullscreen) .dsm-root into .dsm-root. In each case
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// both copies were identical and the code correct — a dark override, and a position that is right
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// precisely WHEN FULLSCREEN.
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//
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// MASKED REAL CONFLICTS — merging is last-write-wins within a copy, so a later conditional rule
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// OVERWRITES the base value. MEASURED: poisoning .dsm-root inset 0 -> 7px in the shadow copy
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// produced NO finding, because :host(:fullscreen) .dsm-root{inset:0} was merged in afterwards and
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// restored it. A property can be shared, genuinely divergent, and invisible.
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//
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// So the 13 false findings and the missed real one are ONE defect, not two.
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//
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// ★ WHY THIS MATTERED MORE THAN A NOISY GATE: findings that are all false do not stay ignored.
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// Someone eventually "fixes" correct code to satisfy them — here that would mean deleting a
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// dark-mode override or breaking fullscreen. It is also why this gate is not in build:unlocked: it
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// could not be switched on without going red.
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//
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// The MERGE behaviour is unchanged and still correct: two rules with the SAME full selector (a base
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// plus a media-query override) still merge, which is what the .stl-titlebar case proved. Only the
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// identity of a selector is corrected. Whitespace is normalised so `.a .b` and `.a .b` compare
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// equal across two hand-maintained copies.
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const rulesOf = (css) => {
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const m = {}
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// ★ THE AT-RULE IS PART OF THE KEY. The header above already states that media-query variants are
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// distinct rules — but nothing implemented it, because the selector pattern stops at `@`. MEASURED:
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// PeopleGroupDetail.vue declares `.people-group-name{font-size:18px}` at the top level and
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// `font-size:16px` inside `@media (max-width:480px)`. Folded together they read as the file
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// disagreeing with itself at 18 vs 16, when in truth the shadow copy simply has no mobile rule —
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// and "a property in only ONE copy is allowed" is this gate's own stated contract. Prefixing the
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// key with the enclosing at-rule keeps a responsive override comparable only with its counterpart.
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let guard = 0
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for (const blk of splitAtRules(stripComments(css))) {
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for (const r of blk.css.matchAll(/(?:^|[};])\s*([^{}@;]*?\.[a-z][^{}@;]*?)\s*\{([^}]*)\}/gim)) {
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const sel = r[1].trim().replace(/\s+/g, ' ')
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if (!sel) continue
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const key = blk.at ? blk.at + ' { ' + sel : sel
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m[key] = Object.assign(m[key] || {}, propsOf(r[2]))
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if (++guard > 20000) return m
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}
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}
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return m
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}
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// Split CSS into the top level plus one entry per at-rule block, each tagged with its condition.
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// Brace-matched rather than regex-matched: an at-rule body contains nested `{}` and a lazy pattern
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// would stop at the first inner brace.
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function splitAtRules(css) {
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const out = []
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let top = ''
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for (let i = 0; i < css.length; i++) {
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if (css[i] !== '@') { top += css[i]; continue }
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const head = css.slice(i, css.indexOf('{', i))
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if (!/^@(media|supports|container|layer)\b/i.test(head)) { top += css[i]; continue }
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let d = 0, j = css.indexOf('{', i)
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const start = j
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for (; j < css.length; j++) {
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if (css[j] === '{') d++
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else if (css[j] === '}' && --d === 0) break
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}
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out.push({ at: head.trim().replace(/\s+/g, ' '), css: css.slice(start + 1, j) })
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i = j
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}
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out.push({ at: '', css: top })
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return out
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}
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// ── SELF-TEST: prove this gate can still FAIL, on the regressions it exists for ────────────────
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// A gate whose findings all turned out to be false is one nobody trusts; a gate that stops finding
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// anything is worse. Each case poisons ONE property IN MEMORY (never on disk, so a crash cannot
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// leave the tree edited) and requires a finding naming that property.
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// `inset` is here deliberately: the previous implementation MISSED it, because
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// `:host(:fullscreen) .dsm-root{inset:0}` was merged into the base rule under a last-class key and
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// overwrote the poisoned value. It is the regression that proves the selector fix.
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if (process.argv.includes('--self-test')) {
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const SUBJECT = join(ROOT, 'plugin-designs/doxa-simple-map/doxa-simple-map.vue')
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const src = readFileSync(SUBJECT, 'utf8')
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const open_ = src.indexOf('useShadowStyles(`')
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const lit = open_ + 'useShadowStyles(`'.length
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const close = src.indexOf('`', lit)
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const compare = (shadowCss) => {
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const A = rulesOf([...src.matchAll(/^<style[^>]*>([\s\S]*?)^<\/style>/gm)].map((m) => m[1]).join('\n'))
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const B = rulesOf(shadowCss)
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const out = []
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for (const sel of Object.keys(A).filter((k) => k in B)) {
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for (const p of Object.keys(A[sel])) if (p in B[sel] && A[sel][p] !== B[sel][p]) out.push(p)
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}
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return out
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}
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const baseline = compare(src.slice(lit, close))
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if (baseline.length) {
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console.error('SYNCED-CSS SELF-TEST: FAIL — the subject already conflicts on ' + baseline.join(', ') +
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'; fix that first or the cases below cannot be read.')
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process.exit(1)
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}
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const cases = [
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['flex-direction', 'flex-direction:column', 'flex-direction:row-reverse'],
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['inset', 'inset:0', 'inset:7px'],
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['overflow', 'overflow:hidden', 'overflow:scroll'],
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]
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let bad = 0
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for (const [prop, from, to] of cases) {
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const shadow = src.slice(lit, close)
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const poisoned = shadow.replace(from, to)
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if (poisoned === shadow) { console.error(` ${prop}: POISON DID NOT APPLY — the case proves nothing.`); bad++; continue }
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const caught = compare(poisoned).includes(prop)
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console.log(` ${prop}: ${caught ? 'caught' : 'NOT CAUGHT'}`)
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if (!caught) bad++
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}
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if (bad) { console.error(`SYNCED-CSS SELF-TEST: FAIL — ${bad} case(s) not caught.`); process.exit(1) }
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console.log('SYNCED-CSS SELF-TEST: PASS — 3 regressions caught; tree untouched (poisoned in memory).')
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process.exit(0)
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}
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const files = [...vuesUnder('library'), ...vuesUnder('plugin-designs')]
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const offenders = []
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let pairs = 0
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let sharedTotal = 0
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for (const f of files) {
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const src = readFileSync(f, 'utf8')
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const i = src.indexOf('useShadowStyles(`')
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if (i < 0 || !/<style/.test(src)) continue
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const end = src.indexOf('`', i + 'useShadowStyles(`'.length)
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if (end < 0) continue
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// Slice AFTER the opening backtick. Slicing from `i` leaves the text `useShadowStyles(\`` at
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// the head of the CSS, which a full-selector regex absorbs into the FIRST rule's selector —
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// measured: `.dsm-root` was captured as `useShadowStyles(\` .dsm-root` and so never existed as
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// a key, silently dropping the first rule of every literal.
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const shadowCss = src.slice(i + 'useShadowStyles(`'.length, end)
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// ★ TAKE <style> BLOCKS FROM THE TOP LEVEL ONLY — an SFC block starts at column 0.
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// A loose /<style[^>]*>/ matches the word inside a JS comment too. SemanticTreeLegend.vue has
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// `// CSS — verbatim from PPLR's <style scoped>, injected into shadow root.` 43 characters BEFORE
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// useShadowStyles(, so the regex opened a "style block" there and ran to the next real </style>,
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// SWALLOWING THE WHOLE SHADOW LITERAL into the <style> text. Both maps then read the same bytes,
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// so the two copies could never disagree and no injected conflict was ever detected — a gate that
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// structurally could not fail on its largest file (51 shared selectors).
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// Anchoring to line start also excludes the literal itself, which is what makes the comparison
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// a comparison rather than a tautology.
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const styleCss = [...src.matchAll(/^<style[^>]*>([\s\S]*?)^<\/style>/gm)].map((m) => m[1]).join('\n')
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const A = rulesOf(styleCss)
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const B = rulesOf(shadowCss)
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const shared = Object.keys(A).filter((k) => k in B)
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if (!shared.length) continue
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pairs++
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sharedTotal += shared.length
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const conflicts = []
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for (const sel of shared) {
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for (const p of Object.keys(A[sel])) {
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if (p in B[sel] && A[sel][p] !== B[sel][p]) {
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conflicts.push({ sel, p, a: A[sel][p], b: B[sel][p] })
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}
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}
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}
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if (conflicts.length) offenders.push({ file: f.replace(ROOT + '/', ''), conflicts })
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}
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if (offenders.length) {
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console.error(`SYNCED-CSS: FAIL — ${offenders.length} file(s) disagree with themselves.\n`)
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for (const o of offenders) {
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console.error(` ${o.file} — ${o.conflicts.length} conflicting propert(ies):`)
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for (const c of o.conflicts.slice(0, 10)) {
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console.error(` ${c.sel} { ${c.p} } <style>="${c.a}" shadow="${c.b}"`)
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}
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if (o.conflicts.length > 10) console.error(` …and ${o.conflicts.length - 10} more`)
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console.error('')
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}
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console.error(' The two copies exist because the component renders BOTH as an imported Vue child')
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console.error(' (scoped <style> applies) and inside a shadow root (only the injected literal')
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console.error(' reaches it). They are meant to be identical. A conflict means the component looks')
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console.error(' correct in whichever host you tested and wrong in the other — which is exactly')
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console.error(' how a dark-mode shadow copy shipped in four bundles under a light-only rule.')
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process.exit(1)
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}
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console.log(`SYNCED-CSS: PASS — ${pairs} file(s) carry both a <style> block and a shadow literal;`)
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console.log(` ${sharedTotal} shared selector(s) agree on every property declared in both.`)
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console.log(' A property present in only one copy is allowed — the two contexts legitimately need')
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console.log(' different rules. Only a CONFLICT, where both name the same property differently, is')
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console.log(' a defect. Compared as property maps, so formatting differences are not reported.')
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