basin / files / src / model / puzzle.worker.ts

puzzle.worker.ts

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`b9acd697` 2026-07-01 Pavel Safronov	1	import { generatePuzzle } from './puzzle';
	2	import type { Config, Puzzle } from './puzzle';
	3
	4	export type WorkerRequest = { type: 'generate'; seq: number; config: Config };
	5	export type WorkerResponse =
	6	\| { type: 'progress'; seq: number; value: number }
	7	\| { type: 'done'; seq: number; puzzle: Puzzle };
	8
	9	self.addEventListener('message', (e: MessageEvent<WorkerRequest>) => {
	10	const { type, seq, config } = e.data;
	11	if (type !== 'generate') return;
	12
	13	const puzzle = generatePuzzle(config, (value) => {
	14	(self as unknown as Worker).postMessage({ type: 'progress', seq, value } satisfies WorkerResponse);
	15	});
	16
	17	(self as unknown as Worker).postMessage(
	18	{ type: 'done', seq, puzzle } satisfies WorkerResponse,
	19	[puzzle.hm.data.buffer, puzzle.target.buffer],
	20	);
	21	});