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multipleof4andClaude Opus 5.5
71d4360c3c
stars.mjs renders dist/<owner>/<repo>.svg for each repo in repos.txt: a cumulative star chart with labelled breakouts, spikes and first star, ending in an isometric star. The hourly workflow commits only when the star count or UTC day changes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
25 lines
2.1 KiB
JavaScript
25 lines
2.1 KiB
JavaScript
// Synthetic star histories → preview/sim-<name>.png, to stress-test scaling and spike detection
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import { writeFileSync } from 'node:fs'
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import { execFileSync } from 'node:child_process'
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import { svg, markers } from '../stars.mjs'
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const DAY = 864e5, now = Date.parse('2026-10-28T12:00:00Z')
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let seed = 7; const rnd = () => (seed = seed * 16807 % 2147483647) / 2147483647
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const pois = l => { if (l > 30) return Math.max(0, Math.round(l + Math.sqrt(l) * (rnd() + rnd() + rnd() - 1.5) * 2)); let k = 0, p = 1, L = Math.exp(-l); while ((p *= rnd()) > L) k++; return k }
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const sim = (born, rate) => { const b = Date.parse(born), out = []; for (let d = 0; b + d * DAY < now; d++) for (let k = pois(rate(d, Math.floor((now - b) / DAY))); k--;) out.push(Math.min(now - 1, b + (d + rnd()) * DAY)); return { born: b, stars: out.sort((x, y) => x - y) } }
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const bump = (d, at, h, w = 2) => d >= at ? h * Math.exp(-(d - at) / w) : 0
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const S = {
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'old-steady-hn': ['acme/old-steady', sim('2022-11-01T09:00:00Z', d => bump(d, 3, 120, 3) + 2 + d / 200 + bump(d, 500, 500, 2))],
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'late-viral': ['acme/late-viral', sim('2024-09-10T09:00:00Z', (d, n) => .15 + bump(d, n - 5, 700, 1.5))],
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'many-bumps': ['acme/many-bumps', sim('2025-04-01T09:00:00Z', d => 1.5 + [40, 95, 160, 210, 260, 330, 400, 470, 520].reduce((s, a, i) => s + bump(d, a, 20 + i * 8, 1), 0))],
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'huge': ['acme/huge-framework', sim('2019-03-01T09:00:00Z', d => bump(d, 1, 3000, 4) + 40 + 30 * Math.sin(d / 180) + bump(d, 900, 4000, 3) + bump(d, 1700, 2500, 2))],
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'step-change': ['acme/step-change', sim('2024-06-01T09:00:00Z', d => d < 400 ? 1 : 15)],
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'one-star': ['acme/lonely', sim('2026-06-01T09:00:00Z', d => d == 30 ? 1 : 0)],
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'zero': ['acme/nothing-yet', { born: Date.parse('2026-10-20T09:00:00Z'), stars: [] }],
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}
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for (const [k, [repo, d]] of Object.entries(S)) {
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const f = `${import.meta.dirname}/.sim-${k}.svg`
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writeFileSync(f, svg({ repo, ...d }, now))
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execFileSync(`${import.meta.dirname}/render.sh`, [f, 'sim-' + k])
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console.log(k.padEnd(14), String(d.stars.length).padStart(7), markers(d, now).map(m => `${m.title} (${m.sub})`).join(" | "))
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}
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