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Paul BakausandClaude Opus 4.7
1f760aff61
Cursor Bugbot review on 8660d3a flagged a real corruption bug:
> Multi-line self-closing div breaks depth tracking in expandReplaceRange.
> The forward div-depth walk applies openRe / selfCloseRe / closeRe
> per-line. A multi-line `<div\n className="spacer"\n/>` causes openRe
> to match the opener line but selfCloseRe fails on both lines because
> `/<div\b[^>]*\/\s*>/` requires the full tag on one line. Depth is
> permanently over-counted by 1, so the walk overshoots.
Trace on the JSX-marker-inside-wrapper layout:
- Inside the wrapped element, a multi-line `<div … />` increments depth
at the `<div` line and never decrements.
- Forward walk's depth never returns to 0 → end stays at block.end (the
inner marker comment) → replace range stops there.
- Wrapper's outer `</div>` is left orphaned in the file after
accept/discard, breaking the JSX. Worse: an unrelated subsequent
`<div className="next-card">…</div>` sibling gets its `</div>`
mis-counted as the wrapper close, and the depth walk corrupts further.
Fix: rewrite the forward walk on JOINED text instead of per-line. A
single regex `/<div\b[^>]*?(\/?)>|<\/div\s*>/g` spans newlines (because
`[^>]` matches `\n`), so it correctly identifies multi-line opens,
closes, AND self-closes. Convert the match offset back to a file line
index to set `end`. Walk-back logic for the wrapper opener is
unchanged.
Test coverage:
- New `expandReplaceRange handles multi-line self-closing <div />` test
in live-accept.test.mjs constructs the exact Bugbot scenario: a
multi-line `<div\n className="spacer"\n/>` inside the picked
element AND an unrelated `<div className="next-card">After</div>`
sibling right after. Asserts the discard removes ALL impeccable
markers / wrapper attrs, preserves the next-card sibling intact, and
the multi-line `<div />` survives inside the restored content.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
361 lines
18 KiB
JavaScript
361 lines
18 KiB
JavaScript
/**
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* Tests for live-accept.mjs — the deterministic accept/discard helper.
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* Run with: node --test tests/live-accept.test.mjs
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*/
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import { describe, it, beforeEach, afterEach } from 'node:test';
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import assert from 'node:assert/strict';
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import { mkdtempSync, writeFileSync, readFileSync, rmSync } from 'node:fs';
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import { dirname, join, resolve } from 'node:path';
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import { tmpdir } from 'node:os';
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import { fileURLToPath } from 'node:url';
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import { execFileSync, execSync } from 'node:child_process';
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const ACCEPT = resolve(__dirname, '..', 'source/skills/impeccable/scripts/live-accept.mjs');
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function runAccept(cwd, args) {
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try {
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const out = execFileSync('node', [ACCEPT, ...args], {
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cwd,
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encoding: 'utf-8',
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stdio: ['ignore', 'pipe', 'pipe'],
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});
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return JSON.parse(out.trim());
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} catch (err) {
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const body = err.stdout?.toString().trim() || err.stderr?.toString().trim() || '';
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return JSON.parse(body || '{}');
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}
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}
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describe('live-accept — style-element edge cases', () => {
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let tmp;
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beforeEach(() => { tmp = mkdtempSync(join(tmpdir(), 'impeccable-accept-test-')); });
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afterEach(() => { rmSync(tmp, { recursive: true, force: true }); });
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// Historical bug: extractVariant flipped into "inStyle" mode on <style and
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// scanned for </style> line-by-line. JSX self-closing <style ... /> has no
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// separate closer, so it got stuck forever and missed data-impeccable-variant
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// divs that came after.
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it('finds the accepted variant after a JSX self-closing <style /> block', () => {
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const html = `<body>
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<!-- impeccable-variants-start SELFC -->
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<div data-impeccable-variants="SELFC" data-impeccable-variant-count="3" style="display: contents">
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<div data-impeccable-variant="original">
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<p class="hook">original text</p>
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</div>
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<style data-impeccable-css="SELFC" dangerouslySetInnerHTML={{ __html: '@scope ([data-impeccable-variant="1"]) { .hook { color: red; } }' }} />
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<div data-impeccable-variant="1">
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<p class="hook">variant one</p>
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</div>
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<div data-impeccable-variant="2" style="display: none">
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<p class="hook">variant two</p>
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</div>
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<div data-impeccable-variant="3" style="display: none">
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<p class="hook">variant three</p>
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</div>
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</div>
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<!-- impeccable-variants-end SELFC -->
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</body>`;
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writeFileSync(join(tmp, 'page.html'), html);
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const result = runAccept(tmp, ['--id', 'SELFC', '--variant', '2']);
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assert.equal(result.handled, true, `accept should succeed: ${JSON.stringify(result)}`);
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const after = readFileSync(join(tmp, 'page.html'), 'utf-8');
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// Self-closing style has no extractable CSS body, so there's nothing to carbonize —
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// no carbonize block, no data-impeccable-variant wrapper (it would serve no purpose).
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assert.ok(!after.includes('impeccable-carbonize-start'), 'no carbonize block (self-closing style has no body)');
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assert.ok(!after.includes('impeccable-variants-start'), 'variant markers removed');
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assert.ok(after.includes('variant two'), 'variant 2 content kept');
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assert.ok(!after.includes('variant three'), 'other variant content dropped');
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assert.ok(!after.includes('variant one'), 'other variant content dropped');
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assert.ok(!after.includes('original text'), 'original content dropped');
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});
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// Variant: same-line <style>…</style> block should also be treated as a
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// single skipped unit; the line has both open and close tags.
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it('finds the accepted variant after a single-line <style>…</style> block', () => {
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const html = `<body>
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<!-- impeccable-variants-start ONELINE -->
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<div data-impeccable-variants="ONELINE" data-impeccable-variant-count="3" style="display: contents">
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<div data-impeccable-variant="original"><p class="hook">original</p></div>
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<style data-impeccable-css="ONELINE">@scope ([data-impeccable-variant="1"]) { .hook { color: red; } }</style>
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<div data-impeccable-variant="1"><p class="hook">variant one</p></div>
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<div data-impeccable-variant="2" style="display: none"><p class="hook">variant two</p></div>
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<div data-impeccable-variant="3" style="display: none"><p class="hook">variant three</p></div>
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</div>
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<!-- impeccable-variants-end ONELINE -->
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</body>`;
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writeFileSync(join(tmp, 'page.html'), html);
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const result = runAccept(tmp, ['--id', 'ONELINE', '--variant', '3']);
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assert.equal(result.handled, true, `accept should succeed: ${JSON.stringify(result)}`);
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const after = readFileSync(join(tmp, 'page.html'), 'utf-8');
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assert.ok(after.includes('data-impeccable-variant="3"'), 'accepted wrapper for variant 3 present');
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assert.ok(after.includes('variant three'), 'variant 3 content kept');
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assert.ok(!after.includes('variant two'), 'other variant content dropped');
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});
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// Baseline: the standard multi-line <style>...</style> case must keep working.
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it('finds the accepted variant after a multi-line <style>…</style> block (regression baseline)', () => {
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const html = `<body>
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<!-- impeccable-variants-start MULTI -->
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<div data-impeccable-variants="MULTI" data-impeccable-variant-count="3" style="display: contents">
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<div data-impeccable-variant="original"><p class="hook">original</p></div>
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<style data-impeccable-css="MULTI">
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@scope ([data-impeccable-variant="1"]) { .hook { color: red; } }
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@scope ([data-impeccable-variant="2"]) { .hook { color: green; } }
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</style>
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<div data-impeccable-variant="1"><p class="hook">variant one</p></div>
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<div data-impeccable-variant="2" style="display: none"><p class="hook">variant two</p></div>
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</div>
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<!-- impeccable-variants-end MULTI -->
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</body>`;
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writeFileSync(join(tmp, 'page.html'), html);
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const result = runAccept(tmp, ['--id', 'MULTI', '--variant', '1']);
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assert.equal(result.handled, true, `accept should succeed: ${JSON.stringify(result)}`);
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const after = readFileSync(join(tmp, 'page.html'), 'utf-8');
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assert.ok(after.includes('data-impeccable-variant="1"'), 'accepted wrapper for variant 1 present');
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assert.ok(after.includes('variant one'), 'variant 1 content kept');
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});
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// Regression: the agent writes JSX <style>{`…`}</style> and live-accept's
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// extractCss used to capture the `{` … `` ` ``}` template-literal punctuation
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// as CSS content. handleAccept then re-wrapped with another `{` …
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// `` ` ``}`, producing nested template literals (`<style>{`{`@scope…`}`}`)
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// that oxc rejects with "Expected `}` but found `@`". extractCss must
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// strip the JSX wrap regardless of where the agent placed it.
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it('carbonize does not double-wrap when the variants block uses JSX template literals on their own lines', () => {
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const tsx = `export default function App() {\n` +
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` return (\n` +
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` <main>\n` +
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` <>\n` +
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` {/* impeccable-variants-start TPL */}\n` +
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` <div data-impeccable-variants="TPL" data-impeccable-variant-count="2" style={{ display: 'contents' }}>\n` +
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` <div data-impeccable-variant="original"><p className="hook">orig</p></div>\n` +
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` <style data-impeccable-css="TPL">\n` +
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" {`\n" +
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` @scope ([data-impeccable-variant="1"]) { .hook { color: red; } }\n` +
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` @scope ([data-impeccable-variant="2"]) { .hook { color: green; } }\n` +
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" `}\n" +
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` </style>\n` +
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` <div data-impeccable-variant="1"><p className="hook">variant one</p></div>\n` +
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` <div data-impeccable-variant="2" style={{ display: 'none' }}><p className="hook">variant two</p></div>\n` +
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` </div>\n` +
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` {/* impeccable-variants-end TPL */}\n` +
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` </>\n` +
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` </main>\n` +
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` );\n` +
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`}\n`;
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writeFileSync(join(tmp, 'App.tsx'), tsx);
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const result = runAccept(tmp, ['--id', 'TPL', '--variant', '1']);
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assert.equal(result.handled, true, `accept should succeed: ${JSON.stringify(result)}`);
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const after = readFileSync(join(tmp, 'App.tsx'), 'utf-8');
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// Exactly one `{` opener after the carbonized <style ...> tag — not two.
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const carbonStyleMatch = after.match(/<style data-impeccable-css="TPL">([\s\S]*?)<\/style>/);
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assert.ok(carbonStyleMatch, 'carbonize <style> block present');
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const inner = carbonStyleMatch[1];
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// Inner must open with one `{` ... and end with one ` `` ... — no nesting.
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const openCount = (inner.match(/\{`/g) || []).length;
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const closeCount = (inner.match(/`\}/g) || []).length;
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assert.equal(openCount, 1, `expected exactly one {\` opener, got ${openCount}`);
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assert.equal(closeCount, 1, `expected exactly one \`} closer, got ${closeCount}`);
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// CSS content survived intact.
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assert.ok(inner.includes('@scope ([data-impeccable-variant="1"])'), 'variant-1 scope kept');
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});
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// Same shape, but the agent put `{`` and ``\`}` attached to first/last CSS
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// lines instead of on dedicated lines. Tests the inline-strip branch.
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it('carbonize does not double-wrap when JSX template-literal punctuation hugs the CSS lines', () => {
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const tsx = `export default function App() {\n` +
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` return (\n` +
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` <main>\n` +
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` <>\n` +
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` {/* impeccable-variants-start INLINE */}\n` +
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` <div data-impeccable-variants="INLINE" data-impeccable-variant-count="2" style={{ display: 'contents' }}>\n` +
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` <div data-impeccable-variant="original"><p className="hook">orig</p></div>\n` +
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` <style data-impeccable-css="INLINE">\n` +
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" {`@scope ([data-impeccable-variant=\"1\"]) { .hook { color: red; } }\n" +
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" @scope ([data-impeccable-variant=\"2\"]) { .hook { color: green; } }`}\n" +
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` </style>\n` +
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` <div data-impeccable-variant="1"><p className="hook">variant one</p></div>\n` +
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` <div data-impeccable-variant="2" style={{ display: 'none' }}><p className="hook">variant two</p></div>\n` +
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` </div>\n` +
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` {/* impeccable-variants-end INLINE */}\n` +
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` </>\n` +
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` </main>\n` +
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` );\n` +
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`}\n`;
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writeFileSync(join(tmp, 'App.tsx'), tsx);
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const result = runAccept(tmp, ['--id', 'INLINE', '--variant', '1']);
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assert.equal(result.handled, true, `accept should succeed: ${JSON.stringify(result)}`);
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const after = readFileSync(join(tmp, 'App.tsx'), 'utf-8');
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const inner = after.match(/<style data-impeccable-css="INLINE">([\s\S]*?)<\/style>/)[1];
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const openCount = (inner.match(/\{`/g) || []).length;
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const closeCount = (inner.match(/`\}/g) || []).length;
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assert.equal(openCount, 1, `expected one {\` opener, got ${openCount}`);
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assert.equal(closeCount, 1, `expected one \`} closer, got ${closeCount}`);
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assert.ok(inner.includes('@scope ([data-impeccable-variant="1"])'), 'variant-1 scope kept');
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});
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// Cursor Bugbot regression (PR #118 review): the JSX wrapper places
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// marker comments INSIDE the outer <div>, so block.start sits 2 spaces
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// deeper than the original element. Using block.start as the deindent
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// base on JSX accept/discard pushes every restored line 2 spaces too far
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// right. The fix anchors the indent on `replaceRange.start` (the outer
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// wrapper line), which is at the original element's indent level for
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// both HTML and JSX.
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it('discard restores JSX content at the original indent (no 2-space drift from marker-inside layout)', () => {
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// Run the real wrap CLI so we exercise the JSX-marker-inside-wrapper
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// layout end to end, not a hand-rolled approximation.
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const tsx = `export default function App() {
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return (
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<main>
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<aside className="card">
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<h1 className="hero-title">Hero</h1>
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</aside>
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</main>
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);
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}`;
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writeFileSync(join(tmp, 'App.tsx'), tsx);
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execSync(
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`node source/skills/impeccable/scripts/live-wrap.mjs --id INDENTDISC --count 3 --classes "card" --tag "aside" --file "${join(tmp, 'App.tsx')}"`,
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{ cwd: process.cwd(), encoding: 'utf-8' }
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);
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runAccept(tmp, ['--id', 'INDENTDISC', '--discard']);
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const after = readFileSync(join(tmp, 'App.tsx'), 'utf-8');
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// The aside opener should land at exactly 6 spaces — same as the
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// original — and the <h1> child at 8 (preserved relative depth).
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// The earlier 6/6/6 collapse was caused by `originalLines.map(l =>
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// indent + ' ' + l.trimStart())` in live-wrap stripping ALL
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// leading whitespace before reindenting; the fix strips only the
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// COMMON minimum so the relative structure is preserved.
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assert.match(after, /^ <aside className="card">$/m,
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`<aside> opener must be at 6-space indent (was 8 before outer-indent fix), got:\n${after}`);
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assert.match(after, /^ <h1 className="hero-title">Hero<\/h1>$/m,
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`<h1> child must be at 8-space indent — relative depth preserved through wrap+discard. Got:\n${after}`);
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assert.match(after, /^ <\/aside>$/m,
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`</aside> closer must be back at 6-space indent. Got:\n${after}`);
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});
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it('expandReplaceRange handles multi-line self-closing <div /> inside the wrapped element', () => {
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// Cursor Bugbot regression: per-line depth tracking in
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// `expandReplaceRange` couldn't see across line boundaries, so a
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// multi-line self-closing JSX `<div\n className="spacer"\n/>` got
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// counted as +1 with no compensating -1. The wrapper's outer </div>
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// never matched the depth-zero condition; replace-range stopped at
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// block.end (the marker comment), leaving the wrapper's outer </div>
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// orphaned in the file after accept/discard — and worse, an
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// unrelated <div className="next-card"> right after the wrapper got
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// its own </div> mis-counted as the wrapper close.
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const tsx = `export default function App() {
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return (
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<main>
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<aside className="card">
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<h1>Hi</h1>
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<div
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className="spacer"
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/>
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<p>Body</p>
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</aside>
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<div className="next-card">After</div>
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</main>
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);
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}`;
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writeFileSync(join(tmp, 'App.tsx'), tsx);
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execSync(
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`node source/skills/impeccable/scripts/live-wrap.mjs --id MULTILINESC --count 3 --classes "card" --tag "aside" --file "${join(tmp, 'App.tsx')}"`,
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{ cwd: process.cwd(), encoding: 'utf-8' }
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);
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const result = runAccept(tmp, ['--id', 'MULTILINESC', '--discard']);
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assert.equal(result.handled, true, `discard should succeed: ${JSON.stringify(result)}`);
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const after = readFileSync(join(tmp, 'App.tsx'), 'utf-8');
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// The wrapper scaffold must be fully gone — no orphan </div> from
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// the outer wrapper, and no impeccable markers/data attributes.
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assert.ok(!after.includes('data-impeccable-variants'),
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`outer wrapper div must be fully removed; got:\n${after}`);
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assert.ok(!after.includes('data-impeccable-variant'),
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`original-div wrapper must be fully removed; got:\n${after}`);
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assert.ok(!after.includes('impeccable-variants-start'),
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`start marker must be removed; got:\n${after}`);
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// The unrelated <div className="next-card">After</div> sibling
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// must survive intact — Bugbot's worst-case scenario was the depth
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// walk eating its </div> as the wrapper close.
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assert.ok(after.includes('<div className="next-card">After</div>'),
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`unrelated next-card sibling must be preserved; got:\n${after}`);
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// The multi-line self-closing div inside the original element must
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// survive too.
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assert.match(after, /<div\s*\n\s*className="spacer"\s*\n\s*\/>/m,
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`multi-line self-closing <div /> inside original must survive; got:\n${after}`);
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});
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it('accept (no carbonize, raw HTML) restores at the original indent on JSX', () => {
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// Manually craft a wrapped file in the JSX-marker-inside layout — this
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// mirrors what wrap produces, but lets us exercise accept's indent
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// logic without a full live cycle.
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const tsx = `export default function App() {
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return (
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<main>
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<div data-impeccable-variants="INDENTACC" data-impeccable-variant-count="3" style={{ display: "contents" }}>
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{/* impeccable-variants-start INDENTACC */}
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{/* Original */}
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<div data-impeccable-variant="original">
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<aside className="card">
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<h1 className="hero-title">Hero</h1>
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</aside>
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</div>
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{/* Variants: insert below this line */}
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<div data-impeccable-variant="1"><aside className="card variant-one"><h1 className="hero-title">Hero</h1></aside></div>
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{/* impeccable-variants-end INDENTACC */}
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</div>
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</main>
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);
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}`;
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writeFileSync(join(tmp, 'App.tsx'), tsx);
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runAccept(tmp, ['--id', 'INDENTACC', '--variant', '1']);
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const after = readFileSync(join(tmp, 'App.tsx'), 'utf-8');
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// The accepted aside (variant-one) should land at 6-space indent, the
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// same place the wrapper <div> sat — not 2 spaces deeper.
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assert.match(after, /^ <aside className="card variant-one">/m,
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`accepted <aside> must land at 6-space indent (the wrapper's level), got:\n${after}`);
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});
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// Discard must restore the original element after a self-closing <style />,
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// proving extractOriginal also survives the style pattern.
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it('discard restores the original element after a JSX self-closing <style />', () => {
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const html = `<body>
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<!-- impeccable-variants-start DISC -->
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<div data-impeccable-variants="DISC" data-impeccable-variant-count="2" style="display: contents">
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<div data-impeccable-variant="original"><p class="hook">ORIGINAL CONTENT</p></div>
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<style data-impeccable-css="DISC" dangerouslySetInnerHTML={{ __html: '@scope ([data-impeccable-variant="1"]) { .hook { color: red; } }' }} />
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<div data-impeccable-variant="1"><p class="hook">variant one</p></div>
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<div data-impeccable-variant="2" style="display: none"><p class="hook">variant two</p></div>
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</div>
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<!-- impeccable-variants-end DISC -->
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</body>`;
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writeFileSync(join(tmp, 'page.html'), html);
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const result = runAccept(tmp, ['--id', 'DISC', '--discard']);
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assert.equal(result.handled, true, `discard should succeed: ${JSON.stringify(result)}`);
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const after = readFileSync(join(tmp, 'page.html'), 'utf-8');
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assert.ok(after.includes('ORIGINAL CONTENT'), 'original restored');
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assert.ok(!after.includes('impeccable-variants-start'), 'wrapper markers gone');
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assert.ok(!after.includes('variant one'), 'variants dropped');
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});
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});
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