18 lines
689 B
TypeScript
18 lines
689 B
TypeScript
 
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import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { deafenCatchUpText } from './deafenCatchUp';
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const name = (u: string) => u.slice(1, u.indexOf(':'));
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test('no change → nothing; joins and leaves are listed, capped at 3 + N more', () => {
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assert.equal(deafenCatchUpText(new Set(['@a:x']), new Set(['@a:x']), name), null);
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assert.equal(
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deafenCatchUpText(new Set(['@a:x', '@c:x']), new Set(['@a:x', '@b:x']), name),
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'While you were deafened: b joined · c left',
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);
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assert.equal(
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deafenCatchUpText(new Set(), new Set(['@a:x', '@b:x', '@c:x', '@d:x', '@e:x']), name),
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'While you were deafened: a, b, c and 2 more joined',
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);
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});
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