18 lines
464 B
TypeScript
18 lines
464 B
TypeScript
import { expect, test } from "bun:test";
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import { signal } from "../src/index.ts";
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test("signal skips equal writes and supports safe unsubscribe during notification", () => {
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const count = signal(0);
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const seen: number[] = [];
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let off = () => {};
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off = count.subscribe((value) => {
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seen.push(value);
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off();
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});
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count.set(0);
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count.update((value) => value + 1);
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count.set(2);
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expect(seen).toEqual([1]);
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expect(count.get()).toBe(2);
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});
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