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pj
142ea80f60
The existing parity harness hand-authors the facts on both sides, so it proves that given identical facts both hosts select identical candidates, and says nothing about the two code paths that derive those facts from a real page. Four divergences lived in that blind spot and it passed throughout. This drives one real page and compares clickable, enabled, editable, scrollable and positiveBounds element by element, plus the element sets themselves, which is what catches a host that omits html or includes head. Reverting any of the four fixes makes it fail naming the element and the fact. Claude-Session: https://claude.ai/code/session_01A5KmftdEJ49A9z5mF5ESrX
42 lines
1.4 KiB
TypeScript
42 lines
1.4 KiB
TypeScript
/// <reference lib="dom" />
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// The V8 host's fact producer, read back element by element.
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//
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// internal/driver/chrome/fact_parity_test.go bundles this probe into a live page
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// and compares what it returns against the hierarchy dump the goja host reads
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// off the SAME page. Both sides derive their facts here, in production code:
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// collectTargets is the shipped walk, and targetElements is the shipped
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// enumeration domain, so the id at index i names the element facts[i] describes.
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// The dump carries that id as `resource-id`, which is what the Go side joins on.
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import { __testing__ } from "../src/web-runtime.ts";
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const { collectTargets, targetElements } = __testing__;
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function domFacts(): unknown[] {
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const elements = targetElements();
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const facts = collectTargets();
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if (elements.length !== facts.length) {
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throw new Error(
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`collectTargets reported ${facts.length} targets over ${elements.length} elements`,
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);
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}
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return elements.map((element, index) => {
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const target = facts[index]!;
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return {
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id: element.id,
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tag: element.tagName.toLowerCase(),
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clickable: target.clickable,
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enabled: target.enabled,
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editable: target.editable,
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scrollable: target.scrollable,
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width: target.width ?? 0,
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height: target.height ?? 0,
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};
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});
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}
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type FactsGlobal = { __sanderlingDomFacts__: () => unknown[] };
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(globalThis as unknown as FactsGlobal).__sanderlingDomFacts__ = domFacts;
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