jason.woltje
b9ea9304fd
Unclaimed files left in the canonical checkout. Inventory: canonical-cleanup-inventory.md (commit-as-evidence groups). detect-secrets scan clean on 2026-11-02: hits are sha256 pins, git object ids, test sentinels already in tracked tests and unit-file lines.
25 lines
1.3 KiB
JavaScript
25 lines
1.3 KiB
JavaScript
// Times one render() of one line. Args: shape variant size.
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// ITEM, ATX, FENCE: marker + run of size KiB + tail (u2028, u2029 or letter).
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// RULE: '-' x size MiB (variant dash) or '- ' x size/2 MiB (variant dashspace).
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import { readFileSync } from 'node:fs';
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import { runInNewContext } from 'node:vm';
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const [shape, variant, size] = process.argv.slice(2);
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const src = readFileSync(process.env.MDP, 'utf8');
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const window = {}; runInNewContext(src, { window });
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class N { constructor(t) { this.c = []; } appendChild(x) { this.c.push(x); return x; } setAttribute() {} set textContent(v) {} get lastChild() { return this.c.at(-1); } }
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const doc = { createElement: t => new N(t), createTextNode: t => ({ t }), createDocumentFragment: () => new N('#f') };
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let line;
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if (shape === 'RULE') {
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const n = Number(size) * 1024 * 1024;
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line = variant === 'dash' ? '-'.repeat(n) : '- '.repeat(n / 2);
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} else {
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const n = Number(size) * 1024;
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const tail = { u2028: '
', u2029: '
', letter: 'x' }[variant];
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line = { ITEM: '-' + ' '.repeat(n), ATX: '#' + ' '.repeat(n), FENCE: '`'.repeat(n) }[shape] + tail;
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}
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const meter = {};
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const t0 = performance.now();
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window.MosaicMarkdown.render(line, doc, meter);
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const ms = performance.now() - t0;
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console.log(`${shape} ${variant} ${size} len=${line.length} ms=${ms.toFixed(1)} work=${meter.work} budget=${meter.budget}`);
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