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0e0e768 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | import type { Page } from '@playwright/test';
let _depth = 0;
export function rbEnter(): void { _depth += 1; }
export function rbBack(): void { _depth = Math.max(0, _depth - 1); }
export function rbResetDepth(): number { _depth = 0; return _depth; }
/** Snapshot visible, meaningful elements as a set of "role|name" strings.
* The web analog of RecreationBench rb_showing(root). Bounded + discriminating:
* only landmarks, headings, links, buttons, [role], and dialogs. */
export async function rbShowing(page: Page): Promise<Set<string>> {
const items: string[] = await page.evaluate(() => {
const SEL = 'h1,h2,h3,h4,h5,h6,a[href],button,[role],nav,main,header,footer,aside,dialog,[aria-modal="true"]';
const out: string[] = [];
const seen = new Set<string>();
const nodes = Array.from(document.querySelectorAll(SEL)).slice(0, 4000);
for (const el of nodes) {
const r = (el as HTMLElement).getBoundingClientRect();
const s = getComputedStyle(el as HTMLElement);
const visible = r.width > 0 && r.height > 0 &&
s.visibility !== 'hidden' && s.display !== 'none' &&
parseFloat(s.opacity || '1') > 0.01;
if (!visible) continue;
const role = el.getAttribute('role') || el.tagName.toLowerCase();
const name = (el.getAttribute('aria-label') || (el as HTMLElement).innerText || el.textContent || '')
.replace(/\s+/g, ' ').trim().slice(0, 80);
const key = `${role}|${name}`;
if (!seen.has(key)) { seen.add(key); out.push(key); }
}
return out;
});
return new Set(items);
}
/** True-jump verdict: target's discriminating element newly APPEARED and
* (if source given) source's element DISAPPEARED. Verbatim port of rb_reach. */
export function rbReach(
before: Iterable<string>, after: Iterable<string>,
target: string, source?: string,
): boolean {
const b = new Set(before), a = new Set(after);
const t = target.toLowerCase();
const appeared = [...a].some(k => !b.has(k) && k.toLowerCase().includes(t));
if (source === undefined) return appeared;
const sName = source.toLowerCase();
const srcBefore = [...b].some(k => k.toLowerCase().includes(sName));
const srcAfter = [...a].some(k => k.toLowerCase().includes(sName));
return appeared && srcBefore && !srcAfter;
}
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