when-am-i / files / scripts / screenshot-calendar.mts

screenshot-calendar.mts

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`48a625b7` 2026-06-19 Pavel Safronov	1	// Screenshot one calendar data file across its eras, for inclusion in a
	2	// calendar PR (so reviewers can see geometry/era/conversion issues visually).
	3	//
`26a02b71` 2026-06-19 Pavel Safronov	4	// npm run screenshot:calendar -- src/data/calendars/massachusett.json
`48a625b7` 2026-06-19 Pavel Safronov	5	//
	6	// For each era it pins a point inside the region and a representative date in
	7	// that era, then captures the answer panel + shaded map. Output:
	8	// screenshots/calendars/<file>/
`73912a47` 2026-06-20 Pavel Safronov	9	//
	10	// To regenerate shots for every calendar at once, use `npm run screenshot:calendars`.
`48a625b7` 2026-06-19 Pavel Safronov	11
	12	import { chromium } from 'playwright';
	13	import path from 'node:path';
`73912a47` 2026-06-20 Pavel Safronov	14	import { startDevServer } from './lib/server.mts';
	15	import { screenshotCalendar } from './lib/calendar-shots.mts';
`48a625b7` 2026-06-19 Pavel Safronov	16
	17	async function run() {
	18	const fileArg = process.argv[2];
	19	if (!fileArg) {
	20	console.error('usage: npm run screenshot:calendar -- <path/to/calendar.json>');
	21	process.exit(1);
	22	}
	23
	24	const server = await startDevServer();
	25	try {
	26	const browser = await chromium.launch();
	27	const page = await browser.newPage({ viewport: { width: 1100, height: 920 }, deviceScaleFactor: 2 });
`73912a47` 2026-06-20 Pavel Safronov	28	await screenshotCalendar(page, fileArg);
`48a625b7` 2026-06-19 Pavel Safronov	29	await browser.close();
`73912a47` 2026-06-20 Pavel Safronov	30	console.log(`\n✨ Done — screenshots/calendars/${path.basename(fileArg, '.json')}/\n`);
`48a625b7` 2026-06-19 Pavel Safronov	31	} finally {
	32	server.stop();
	33	}
	34	}
	35
	36	run().catch((err) => {
	37	console.error(err);
	38	process.exit(1);
	39	});