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feat: add SVG export option to canvas export modal

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Adds an SVG format choice below the Ultra quality option in the
export modal. PNG quality options still drive raster export; the
new SVG button exports a scalable vector via html-to-image toSvg.

Closes #211

ha-relevant: yes
This commit is contained in:
Pouzor
2026-06-28 23:52:28 +02:00
parent 23673eb0ca
commit 313feb8ceb
4 changed files with 103 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
frontend/src/components/modals/ExportModal.tsx
+23 -5
View File
@@ -2,7 +2,7 @@ import { useState } from 'react'
import { Download, Loader2 } from 'lucide-react'
import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogFooter } from '@/components/ui/dialog'
import { Button } from '@/components/ui/button'
import { exportToPng, EXPORT_QUALITY_OPTIONS, type ExportQuality } from '@/utils/export'
import { exportToPng, exportToSvg, EXPORT_QUALITY_OPTIONS, type ExportQuality, type ExportFormat } from '@/utils/export'
interface ExportModalProps {
open: boolean
@@ -12,6 +12,7 @@ interface ExportModalProps {
export function ExportModal({ open, onClose, getElement }: ExportModalProps) {
const [quality, setQuality] = useState<ExportQuality>('high')
const [format, setFormat] = useState<ExportFormat>('png')
const [exporting, setExporting] = useState(false)
const handleExport = async () => {
@@ -19,7 +20,11 @@ export function ExportModal({ open, onClose, getElement }: ExportModalProps) {
if (!el) return
setExporting(true)
try {
await exportToPng(el, quality)
if (format === 'svg') {
await exportToSvg(el)
} else {
await exportToPng(el, quality)
}
onClose()
} finally {
setExporting(false)
@@ -30,7 +35,7 @@ export function ExportModal({ open, onClose, getElement }: ExportModalProps) {
<Dialog open={open} onOpenChange={(v) => !v && onClose()}>
<DialogContent className="bg-[#161b22] border-border max-w-sm">
<DialogHeader>
<DialogTitle className="text-foreground">Export as PNG</DialogTitle>
<DialogTitle className="text-foreground">Export Canvas</DialogTitle>
</DialogHeader>
<div className="space-y-2 py-2">
@@ -38,10 +43,10 @@ export function ExportModal({ open, onClose, getElement }: ExportModalProps) {
<button
key={opt.value}
type="button"
onClick={() => setQuality(opt.value)}
onClick={() => { setFormat('png'); setQuality(opt.value) }}
className={[
'w-full flex items-center justify-between px-3 py-2.5 rounded-md border text-sm transition-colors',
quality === opt.value
format === 'png' && quality === opt.value
? 'border-[#00d4ff] bg-[#00d4ff10] text-foreground'
: 'border-border bg-[#0d1117] text-muted-foreground hover:border-muted-foreground',
].join(' ')}
@@ -50,6 +55,19 @@ export function ExportModal({ open, onClose, getElement }: ExportModalProps) {
<span className="text-xs opacity-70">{opt.hint}</span>
</button>
))}
<button
type="button"
onClick={() => setFormat('svg')}
className={[
'w-full flex items-center justify-between px-3 py-2.5 rounded-md border text-sm transition-colors',
format === 'svg'
? 'border-[#00d4ff] bg-[#00d4ff10] text-foreground'
: 'border-border bg-[#0d1117] text-muted-foreground hover:border-muted-foreground',
].join(' ')}
>
<span className="font-medium">SVG</span>
<span className="text-xs opacity-70">vector — scalable, small file</span>
</button>
</div>
<DialogFooter className="gap-2">
frontend/src/components/modals/__tests__/ExportModal.test.tsx
+26 -1
View File
@@ -3,8 +3,10 @@ import { render, screen, fireEvent, waitFor } from '@testing-library/react'
import { ExportModal } from '../ExportModal'
const mockExportToPng = vi.fn()
const mockExportToSvg = vi.fn()
vi.mock('@/utils/export', () => ({
exportToPng: (...args: unknown[]) => mockExportToPng(...args),
exportToSvg: (...args: unknown[]) => mockExportToSvg(...args),
EXPORT_QUALITY_OPTIONS: [
{ value: 'standard', label: 'Standard', pixelRatio: 1, hint: '1× — small file' },
{ value: 'high', label: 'High', pixelRatio: 2, hint: '2× — recommended' },
@@ -20,6 +22,7 @@ describe('ExportModal', () => {
beforeEach(() => {
vi.clearAllMocks()
mockExportToPng.mockResolvedValue(undefined)
mockExportToSvg.mockResolvedValue(undefined)
})
it('renders all three quality options', () => {
@@ -49,6 +52,28 @@ describe('ExportModal', () => {
await waitFor(() => expect(mockExportToPng).toHaveBeenCalledWith(el, 'standard'))
})
it('renders an SVG option under the quality options', () => {
render(<ExportModal open onClose={onClose} getElement={getElement} />)
expect(screen.getByText('SVG')).toBeInTheDocument()
})
it('selects SVG and calls exportToSvg on Download click', async () => {
render(<ExportModal open onClose={onClose} getElement={getElement} />)
fireEvent.click(screen.getByText('SVG').closest('button')!)
expect(screen.getByText('SVG').closest('button')!.className).toContain('border-[#00d4ff]')
fireEvent.click(screen.getByRole('button', { name: /download/i }))
await waitFor(() => expect(mockExportToSvg).toHaveBeenCalledWith(el))
expect(mockExportToPng).not.toHaveBeenCalled()
})
it('switches back to PNG when a quality option is clicked after SVG', () => {
render(<ExportModal open onClose={onClose} getElement={getElement} />)
fireEvent.click(screen.getByText('SVG').closest('button')!)
fireEvent.click(screen.getByText('Ultra').closest('button')!)
expect(screen.getByText('Ultra').closest('button')!.className).toContain('border-[#00d4ff]')
expect(screen.getByText('SVG').closest('button')!.className).not.toContain('border-[#00d4ff]')
})
it('closes after successful export', async () => {
render(<ExportModal open onClose={onClose} getElement={getElement} />)
fireEvent.click(screen.getByRole('button', { name: /download/i }))
@@ -69,6 +94,6 @@ describe('ExportModal', () => {
it('does not render when closed', () => {
render(<ExportModal open={false} onClose={onClose} getElement={getElement} />)
expect(screen.queryByText('Export as PNG')).not.toBeInTheDocument()
expect(screen.queryByText('Export Canvas')).not.toBeInTheDocument()
})
})