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refactor: remove exact nested css duplicates

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leefer
2026-08-02 12:43:30 +08:00
parent b0c0e82f2d
commit 666a5041dd
5 changed files with 121 additions and 98 deletions
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tests/e2e/app-shell.spec.js
+16 -8
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@@ -1803,21 +1803,29 @@ test("heart breathing prepares once then contracts on each exhale", async ({ pag
await expect(page.locator(".heart-breath-ripple span").first()).toHaveCSS("transition-duration", "4s");
});
test("stylesheet layers do not repeat identical top-level rules", async ({ page }) => {
test("stylesheet layers do not repeat identical rules in the same cascade context", async ({ page }) => {
await mockApplication(page, session("admin", true));
await page.goto("/index.html");
const duplicates = await page.evaluate(() => {
const occurrences = new Map();
const visitRules = (rules, href, context = []) => {
for (const rule of Array.from(rules || [])) {
if (typeof rule.selectorText === "string" && rule.style) {
const key = `${context.join("\u0001")}\u0000${rule.selectorText}\u0000${rule.style.cssText}`;
const rows = occurrences.get(key) || [];
rows.push(href);
occurrences.set(key, rows);
continue;
}
if (!rule.cssRules) continue;
const condition = rule.conditionText || rule.media?.mediaText || rule.name || "";
visitRules(rule.cssRules, href, [...context, `${rule.type}:${condition}`]);
}
};
for (const sheet of Array.from(document.styleSheets)) {
const href = sheet.href ? new URL(sheet.href).pathname : "inline";
for (const rule of Array.from(sheet.cssRules || [])) {
if (typeof rule.selectorText !== "string" || !rule.style) continue;
const key = `${rule.selectorText}\u0000${rule.style.cssText}`;
const rows = occurrences.get(key) || [];
rows.push(href);
occurrences.set(key, rows);
}
visitRules(sheet.cssRules, href);
}
return Array.from(occurrences.entries())
.filter(([, paths]) => new Set(paths).size > 1)