4a63149338
Formats ISO timestamps as `Nm ago` / `Nh ago` / `Nd ago`, falling back to an absolute locale date string for values older than 30 days. Used by the alert DataTable Age column. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
33 lines
1.0 KiB
TypeScript
33 lines
1.0 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { formatRelativeTime } from './time-utils';
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const NOW = new Date('2026-04-21T12:00:00Z');
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describe('formatRelativeTime', () => {
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it('returns "just now" for < 30s', () => {
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expect(formatRelativeTime('2026-04-21T11:59:50Z', NOW)).toBe('just now');
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});
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it('returns minutes for < 60m', () => {
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expect(formatRelativeTime('2026-04-21T11:57:00Z', NOW)).toBe('3m ago');
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});
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it('returns hours for < 24h', () => {
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expect(formatRelativeTime('2026-04-21T10:00:00Z', NOW)).toBe('2h ago');
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});
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it('returns days for < 30d', () => {
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expect(formatRelativeTime('2026-04-18T12:00:00Z', NOW)).toBe('3d ago');
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});
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it('returns locale date string for older than 30d', () => {
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const out = formatRelativeTime('2025-01-01T00:00:00Z', NOW);
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expect(out).not.toMatch(/ago$/);
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expect(out.length).toBeGreaterThan(0);
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});
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it('handles future timestamps by clamping to "just now"', () => {
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expect(formatRelativeTime('2026-04-21T12:00:30Z', NOW)).toBe('just now');
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});
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});
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