Files
TREK/client/src/components/Packing/usePackingExport.test.ts
T
Maurice 5c312a8497 feat(packing): print, PDF and Markdown/CSV export of packing lists
The packing list bar gets an export menu next to the import button, both
now icon only. The menu prints the open view as a TREK styled page (trip,
dates, packed count, one card per category, bags), which the browser can
also save as a PDF, and downloads it as a Markdown checklist or as a CSV
in the exact format the import reads, bags included, so a list works as a
personal template without admin rights.

The import now also reads Markdown checklists: headings become
categories, "- [x]" marks an item packed, a "3x" prefix sets the
quantity and a "(200 g)" suffix the weight. The phone action sheet
offers the same exports through the shared usePackingExport hook.

The help center gets an export guide with new pictures, the import guide
and the wiki page describe the Markdown format, in all 27 languages.

Addresses discussions #1420 and #875.
2026-09-25 11:31:23 +02:00

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// FE-PACKEXPORTHOOK-001 to FE-PACKEXPORTHOOK-009
import { createElement, type ReactNode } from 'react'
import { act, renderHook, waitFor } from '@testing-library/react'
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import type { PackingItem } from '../../types'
import { TranslationProvider } from '../../i18n/TranslationContext'
import { useAddonStore } from '../../store/addonStore'
import { useTripStore } from '../../store/tripStore'
import { isEffectivelyOffline } from '../../sync/networkMode'
import { downloadBlob } from '../../utils/fileDownload'
import { packingApi } from '../../api/client'
import { appFontFaces, tripDateRange, usePackingExport } from './usePackingExport'
import { PACKING_PLACEHOLDER_NAME } from './packingListPanel.constants'
vi.mock('../../api/client', () => ({ packingApi: { listBags: vi.fn() } }))
vi.mock('../../utils/fileDownload', () => ({ downloadBlob: vi.fn() }))
vi.mock('../../sync/networkMode', async (importOriginal) => ({
...(await importOriginal<typeof import('../../sync/networkMode')>()),
isEffectivelyOffline: vi.fn(() => false),
}))
let nextId = 1
const item = (over: Partial<PackingItem>): PackingItem => ({
id: nextId++, trip_id: 7, name: 'Item', checked: 0, category: 'Clothing', sort_order: 0,
weight_grams: null, bag_id: null, quantity: 1, is_private: 0, ...over,
})
const ITEMS = [
item({ name: 'Socks', quantity: 7, weight_grams: 40, bag_id: 1 }),
item({ name: PACKING_PLACEHOLDER_NAME, category: 'Empty list' }),
item({ name: 'Diary', category: 'Personal', is_private: 1 }),
]
const wrapper = ({ children }: { children: ReactNode }) => createElement(TranslationProvider, null, children)
/** What the last download wrote, as text, with its file name. */
async function lastDownload(): Promise<{ name: string; text: string; type: string }> {
const calls = vi.mocked(downloadBlob).mock.calls
const [blob, name] = calls[calls.length - 1] as [Blob, string]
return { name, text: await blob.text(), type: blob.type }
}
beforeEach(() => {
useTripStore.setState({ trip: { id: 7, title: 'Lisbon & Porto', start_date: '2026-10-09', end_date: '2026-10-16' } as never, packingItems: ITEMS })
useAddonStore.setState({ bagTracking: true })
vi.mocked(isEffectivelyOffline).mockReturnValue(false)
vi.mocked(packingApi.listBags).mockResolvedValue({ bags: [{ id: 1, name: 'Suitcase', color: '#f97316' }] })
})
afterEach(() => {
vi.clearAllMocks()
useTripStore.setState({ trip: null as never, packingItems: [] })
useAddonStore.setState({ bagTracking: false })
})
describe('usePackingExport', () => {
it('FE-PACKEXPORTHOOK-001: exports the Shared view without private items or category placeholders', async () => {
const { result } = renderHook(() => usePackingExport(7, 'common'), { wrapper })
expect(result.current.hasItems).toBe(true)
act(() => result.current.exportMarkdown())
const file = await lastDownload()
expect(file.name).toBe('packing-list-lisbon-porto.md')
expect(file.type).toBe('text/markdown;charset=utf-8')
expect(file.text).toContain('# Packing List: Lisbon & Porto (Shared)')
expect(file.text).toContain('- [ ] 7 × Socks (40 g)')
expect(file.text).not.toContain('Diary')
expect(file.text).not.toContain(PACKING_PLACEHOLDER_NAME)
expect(file.text).not.toContain('Empty list')
})
it('FE-PACKEXPORTHOOK-002: exports My list with only the private items', async () => {
const { result } = renderHook(() => usePackingExport(7, 'personal'), { wrapper })
act(() => result.current.exportMarkdown())
const file = await lastDownload()
expect(file.text).toContain('(My list)')
expect(file.text).toContain('- [ ] Diary')
expect(file.text).not.toContain('Socks')
})
it('FE-PACKEXPORTHOOK-003: writes the bag names into the CSV', async () => {
const { result } = renderHook(() => usePackingExport(7, 'common'), { wrapper })
await act(() => result.current.exportCsv())
const file = await lastDownload()
expect(file.name).toBe('packing-list-lisbon-porto.csv')
expect(file.text).toBe('Clothing,7 × Socks,40,Suitcase,\n')
expect(packingApi.listBags).toHaveBeenCalledWith(7)
})
it('FE-PACKEXPORTHOOK-004: goes without bags offline, with bag tracking off, or when the bags cannot be read', async () => {
vi.mocked(isEffectivelyOffline).mockReturnValue(true)
const { result, rerender } = renderHook(() => usePackingExport(7, 'common'), { wrapper })
await act(() => result.current.exportCsv())
expect((await lastDownload()).text).toBe('Clothing,7 × Socks,40,,\n')
vi.mocked(isEffectivelyOffline).mockReturnValue(false)
act(() => useAddonStore.setState({ bagTracking: false }))
rerender()
await act(() => result.current.exportCsv())
expect((await lastDownload()).text).toBe('Clothing,7 × Socks,40,,\n')
expect(packingApi.listBags).not.toHaveBeenCalled()
act(() => useAddonStore.setState({ bagTracking: true }))
rerender()
vi.mocked(packingApi.listBags).mockRejectedValue(new Error('Network Error'))
await act(() => result.current.exportCsv())
expect((await lastDownload()).text).toBe('Clothing,7 × Socks,40,,\n')
})
it('FE-PACKEXPORTHOOK-005: opens the printable page with the trip, its dates and the list’s labels, and closes it', async () => {
const { result } = renderHook(() => usePackingExport(7, 'common'), { wrapper })
expect(result.current.printHtml).toBeNull()
expect(result.current.printTitle).toBe('Packing List: Lisbon & Porto')
await act(() => result.current.openPrint())
const html = result.current.printHtml ?? ''
expect(html).toContain('<h1>Lisbon &amp; Porto</h1>')
expect(html).toContain('Packing List · Shared')
expect(html).toContain('<span>Items</span>')
expect(html).toContain('<span>Packed</span>')
expect(html).toContain('<i style="background:#f97316"></i>Suitcase')
expect(html).toContain(`${window.location.origin}/logo-light.svg`)
expect(html).toMatch(/Oct\D+9\D+16, 2026/)
act(() => result.current.closePrint())
await waitFor(() => expect(result.current.printHtml).toBeNull())
})
it('FE-PACKEXPORTHOOK-006: has nothing to export for an empty view', () => {
act(() => useTripStore.setState({ packingItems: [item({ name: PACKING_PLACEHOLDER_NAME })] }))
const { result } = renderHook(() => usePackingExport(7, 'common'), { wrapper })
expect(result.current.hasItems).toBe(false)
})
})
describe('tripDateRange', () => {
it('FE-PACKEXPORTHOOK-007: formats one day, a range, or nothing, on the calendar day whatever the offset', () => {
expect(tripDateRange(null, null, 'en')).toBeNull()
expect(tripDateRange('2026-10-09', '2026-10-09', 'en')).toBe('Oct 9, 2026')
expect(tripDateRange('2026-10-09', null, 'de')).toBe('9. Okt. 2026')
expect(tripDateRange('2026-12-30', '2027-01-02', 'en')).toMatch(/Dec 30, 2026\D+Jan 2, 2027/)
})
})
describe('appFontFaces', () => {
it('FE-PACKEXPORTHOOK-008: copies the family’s @font-face rules with absolute urls and skips sheets it may not read', () => {
const fontFace = (cssText: string) => ({ type: CSSRule.FONT_FACE_RULE, cssText })
const doc = {
baseURI: 'https://trek.example/trips/7',
styleSheets: [
{
href: 'https://trek.example/assets/index.css',
cssRules: [
fontFace('@font-face { font-family: Poppins; src: url("./poppins-400.woff2") format("woff2"); }'),
fontFace('@font-face { font-family: Geist; src: url(/geist.woff2); }'),
{ type: CSSRule.STYLE_RULE, cssText: 'body { font-family: Poppins; }' },
],
},
{ href: null, cssRules: [fontFace("@font-face { font-family: 'Poppins'; src: url(/assets/poppins-700.woff2); }")] },
{ href: 'https://cdn.example/x.css', get cssRules(): never { throw new DOMException('blocked', 'SecurityError') } },
],
} as unknown as Document
const css = appFontFaces('Poppins', doc)
expect(css).toContain('url("https://trek.example/assets/poppins-400.woff2")')
expect(css).toContain('url(https://trek.example/assets/poppins-700.woff2)')
expect(css).not.toContain('Geist')
expect(css).not.toContain('body {')
})
it('FE-PACKEXPORTHOOK-009: reads the live document by default without throwing', () => {
expect(typeof appFontFaces('Poppins')).toBe('string')
})
})