31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
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import { describe, expect, it } from 'vitest'
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import {
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formatDatePartsForDisplay,
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formatDateValueForDisplay,
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normalizeDateDisplayFormat,
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} from './dateDisplay'
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describe('dateDisplay', () => {
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it('normalizes supported date display formats', () => {
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expect(normalizeDateDisplayFormat(' ISO ')).toBe('iso')
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expect(normalizeDateDisplayFormat('friendly')).toBe('friendly')
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expect(normalizeDateDisplayFormat('long')).toBeNull()
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expect(normalizeDateDisplayFormat(null)).toBeNull()
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})
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it('formats date parts in every supported display style', () => {
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const parts = { year: 2026, month: 5, day: 11 }
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expect(formatDatePartsForDisplay(parts, 'us')).toBe('5/11/2026')
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expect(formatDatePartsForDisplay(parts, 'european')).toBe('11/5/2026')
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expect(formatDatePartsForDisplay(parts, 'friendly')).toBe('May 11, 2026')
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expect(formatDatePartsForDisplay(parts, 'iso')).toBe('2026-05-11')
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})
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it('formats ISO and slash date values without changing non-dates', () => {
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expect(formatDateValueForDisplay('2026-05-11', 'european')).toBe('11/5/2026')
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expect(formatDateValueForDisplay('05/11/2026', 'friendly')).toBe('May 11, 2026')
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expect(formatDateValueForDisplay('next Monday', 'iso')).toBe('next Monday')
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})
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})
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