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chore: update cdp audit script

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Ku6epXBOCTuK
2026-08-31 12:31:07 +05:00
parent 80def1f380
commit 1907fb9106
1 changed files with 23 additions and 10 deletions
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web/scripts/audit-cdp.mjs
+23 -10
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@@ -483,13 +483,21 @@ function snapshotDocument({ PROPS, NOISE_TAGS, INHERITED }) {
// General shorthand -> longhands via the detached element (browser expands
// margin/padding/flex/gap/background/inset/etc. when read as inline style),
// as long as the value contains no var(). A shorthand carrying var() can't
// be expanded by the CSSOM (it returns empty longhands, and inline styles
// refuse to split it), so fall back to keeping the shorthand itself under
// its own name — enough for PROPS like border-radius to compare.
function expandShorthand(name, value) {
// as long as the value carries no var(). A shorthand with var() can't be
// split by the CSSOM (empty longhands, inline styles refuse to expand it),
// so resolve the vars against the element's computed style first — that
// yields concrete longhands (e.g. background -> background-color). The
// resolved shorthand is ALSO kept under its own name so shorthand props in
// PROPS (e.g. border-radius) remain comparable rather than only surfacing
// as individual longhands that PROPS doesn't track.
function expandShorthand(name, value, cs) {
if (name === "font") return expandFont(value);
_tmp.style.cssText = `${name}: ${value}`;
let attempt = value;
if (value.includes("var(") && cs) {
const resolved = resolveVars(value, cs);
if (!resolved.includes("var(")) attempt = resolved;
}
_tmp.style.cssText = `${name}: ${attempt}`;
const out = {};
for (let k = 0; k < _tmp.style.length; k++) {
const ln = _tmp.style.item(k);
@@ -497,13 +505,15 @@ function snapshotDocument({ PROPS, NOISE_TAGS, INHERITED }) {
if (v !== "") out[ln] = v;
}
_tmp.style.cssText = "";
if (!Object.keys(out).length && value.includes("var(")) out[name] = value;
// Always keep the shorthand itself (with the resolved value) alongside
// its longhands; extra keys just aren't diffed unless in PROPS.
out[name] = attempt;
return out;
}
// All declarations a stylesheet rule contributes, with shorthands expanded;
// explicit longhands win over expansion for the same property.
function declarationsOf(rule) {
function declarationsOf(rule, cs) {
const map = new Map();
const add = (name, value, important) => {
if (value === "" || map.has(name)) return;
@@ -530,7 +540,7 @@ function snapshotDocument({ PROPS, NOISE_TAGS, INHERITED }) {
// carrying var() was enumerated as EMPTY longhands, so it must be
// re-parsed here to survive (e.g. border-radius: var(--radius)).
if (map.has(name)) continue;
for (const [ln, v] of Object.entries(expandShorthand(name, value) || {}))
for (const [ln, v] of Object.entries(expandShorthand(name, value, cs) || {}))
add(ln, v, important);
}
return [...map.values()];
@@ -538,6 +548,9 @@ function snapshotDocument({ PROPS, NOISE_TAGS, INHERITED }) {
function matchedDeclarations(el, rules) {
const out = [];
// Computed style for resolving var()s inside a rule's shorthand values
// (custom props inherit, so per-element lookup is correct).
const comp = getComputedStyle(el);
for (const { rule, order, effective } of rules) {
const sel = effective ?? rule.selectorText;
if (!sel) continue;
@@ -555,7 +568,7 @@ function snapshotDocument({ PROPS, NOISE_TAGS, INHERITED }) {
}
if (!ok) continue;
const [a, b, c] = specCompound(cs);
for (const d of declarationsOf(rule))
for (const d of declarationsOf(rule, comp))
out.push({ ...d, a, b, c, order });
}
}