feat: add src/App.tsx
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src/App.tsx
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448
src/App.tsx
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import { useEffect, useMemo, useRef, useState } from 'react'
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import { get, set } from 'idb-keyval'
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import { api, apiBlob } from './api'
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import type { Block, BlockType, TemplateDocument, TemplateRecord, TemplateSummary, TemplateType } from './types'
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type Screen = 'templates' | 'editor' | 'preview' | 'data'
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type SaveState = 'saved' | 'saving' | 'offline'
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type Props = {
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user: {
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name?: string
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preferred_username?: string
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email?: string
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}
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}
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const defaults: Record<BlockType, Record<string, unknown>> = {
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heading: { text: 'New heading' },
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text: { text: 'Write something useful.' },
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kpi: { label: 'Metric', value: '{{summary.total}}' },
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button: { text: 'Open link', url: 'https://example.com' },
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image: { url: 'https://placehold.co/800x360', alt: 'Image' },
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divider: {},
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table: {
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rowsPath: 'items',
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columns: [
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{ label: 'Name', key: 'name' },
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{ label: 'Value', key: 'value' }
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]
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}
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}
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const blockLabels: Record<BlockType, string> = {
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heading: 'Heading',
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text: 'Text',
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kpi: 'KPI',
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button: 'Button',
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image: 'Image',
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divider: 'Divider',
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table: 'Table'
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}
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function flatten(value: unknown, prefix = ''): string[] {
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if (!value || typeof value !== 'object' || Array.isArray(value)) return prefix ? [prefix] : []
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const out: string[] = []
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for (const [key, child] of Object.entries(value as Record<string, unknown>)) {
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const path = prefix ? `${prefix}.${key}` : key
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if (child && typeof child === 'object' && !Array.isArray(child)) out.push(...flatten(child, path))
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else out.push(path)
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}
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return out
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}
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function blockSummary(block: Block) {
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if (block.type === 'divider') return 'Divider'
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if (block.type === 'table') return `Rows: ${String(block.props.rowsPath || 'items')}`
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if (block.type === 'kpi') return `${String(block.props.label || 'Metric')} · ${String(block.props.value || '')}`
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return String(block.props.text || block.props.alt || blockLabels[block.type])
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}
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export function App({ user }: Props) {
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const [screen, setScreen] = useState<Screen>('templates')
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const [templates, setTemplates] = useState<TemplateSummary[]>([])
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const [active, setActive] = useState<TemplateRecord | null>(null)
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const [templateDoc, setTemplateDoc] = useState<TemplateDocument>({ blocks: [] })
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const [sampleData, setSampleData] = useState<Record<string, unknown>>({})
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const [selectedId, setSelectedId] = useState<string | null>(null)
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const [addOpen, setAddOpen] = useState(false)
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const [createOpen, setCreateOpen] = useState(false)
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const [createName, setCreateName] = useState('')
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const [createType, setCreateType] = useState<TemplateType>('report')
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const [saveState, setSaveState] = useState<SaveState>('saved')
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const [previewHtml, setPreviewHtml] = useState('')
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const [previewDevice, setPreviewDevice] = useState<'mobile' | 'desktop'>('mobile')
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const [dataText, setDataText] = useState('{}')
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const [error, setError] = useState('')
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const loadedId = useRef<string | null>(null)
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const timer = useRef<number | undefined>(undefined)
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const selected = templateDoc.blocks.find(block => block.id === selectedId) || null
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const paths = useMemo(() => flatten(sampleData), [sampleData])
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async function refreshTemplates() {
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setTemplates(await api<TemplateSummary[]>('/api/templates'))
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}
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useEffect(() => {
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void refreshTemplates().catch(err => setError(String(err)))
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}, [])
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async function saveNow() {
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if (!active) return
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await api(`/api/templates/${active.id}/draft`, {
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method: 'PUT',
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body: JSON.stringify({ document: templateDoc, sampleData })
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})
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}
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useEffect(() => {
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if (!active || loadedId.current !== active.id) return
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window.clearTimeout(timer.current)
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setSaveState('saving')
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void set(`template-studio:${active.id}`, { document: templateDoc, sampleData, savedAt: Date.now() })
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timer.current = window.setTimeout(async () => {
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try {
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await saveNow()
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setSaveState('saved')
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} catch {
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setSaveState('offline')
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}
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}, 700)
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return () => window.clearTimeout(timer.current)
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}, [templateDoc, sampleData, active?.id])
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async function openTemplate(id: string) {
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setError('')
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const remote = await api<TemplateRecord>(`/api/templates/${id}`)
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const local = await get<{ document: TemplateDocument; sampleData: Record<string, unknown> }>(
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`template-studio:${id}`
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)
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loadedId.current = id
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setActive(remote)
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setTemplateDoc(local?.document || remote.draft_document)
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setSampleData(local?.sampleData || remote.sample_data || {})
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setDataText(JSON.stringify(local?.sampleData || remote.sample_data || {}, null, 2))
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setSelectedId(null)
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setScreen('editor')
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}
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async function createTemplate() {
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if (!createName.trim()) return
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const created = await api<TemplateRecord>('/api/templates', {
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method: 'POST',
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body: JSON.stringify({ name: createName.trim(), type: createType })
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})
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setCreateOpen(false)
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setCreateName('')
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await refreshTemplates()
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await openTemplate(created.id)
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}
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function addBlock(type: BlockType) {
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const block: Block = { id: crypto.randomUUID(), type, props: structuredClone(defaults[type]) }
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setTemplateDoc(current => ({ ...current, blocks: [...current.blocks, block] }))
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setAddOpen(false)
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setSelectedId(block.id)
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}
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function updateBlock(id: string, patch: Record<string, unknown>) {
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setTemplateDoc(current => ({
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...current,
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blocks: current.blocks.map(block =>
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block.id === id ? { ...block, props: { ...block.props, ...patch } } : block
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)
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}))
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}
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function moveBlock(id: string, direction: -1 | 1) {
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setTemplateDoc(current => {
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const blocks = [...current.blocks]
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const index = blocks.findIndex(block => block.id === id)
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const target = index + direction
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if (index < 0 || target < 0 || target >= blocks.length) return current
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;[blocks[index], blocks[target]] = [blocks[target], blocks[index]]
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return { ...current, blocks }
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})
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}
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function removeBlock(id: string) {
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setTemplateDoc(current => ({ ...current, blocks: current.blocks.filter(block => block.id !== id) }))
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setSelectedId(null)
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}
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async function publish() {
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if (!active) return
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await saveNow()
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const updated = await api<TemplateRecord>(`/api/templates/${active.id}/publish`, { method: 'POST' })
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setActive(updated)
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setSaveState('saved')
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await refreshTemplates()
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}
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async function refreshPreview() {
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if (!active) return
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await saveNow()
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const format = active.type === 'email' ? 'email' : 'html'
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const result = await api<{ html: string }>(`/api/templates/${active.id}/render`, {
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method: 'POST',
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body: JSON.stringify({ format, data: sampleData })
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})
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setPreviewHtml(result.html)
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}
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async function goPreview() {
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setScreen('preview')
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try {
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await refreshPreview()
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} catch (err) {
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setError(String(err))
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}
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}
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async function downloadPdf() {
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if (!active) return
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await saveNow()
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const blob = await apiBlob(`/api/templates/${active.id}/render`, {
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method: 'POST',
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body: JSON.stringify({ format: 'pdf', data: sampleData })
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})
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const href = URL.createObjectURL(blob)
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const link = window.document.createElement('a')
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link.href = href
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link.download = `${active.name.replace(/[^a-z0-9]+/gi, '-').toLowerCase() || 'report'}.pdf`
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link.click()
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URL.revokeObjectURL(href)
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}
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function applyData() {
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try {
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const parsed = JSON.parse(dataText)
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setSampleData(parsed)
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setError('')
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} catch {
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setError('Sample data must be valid JSON.')
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}
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}
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function bindingField(block: Block) {
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if (block.type === 'kpi') return 'value'
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if (block.type === 'image') return 'alt'
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if (block.type === 'table' || block.type === 'divider') return null
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return 'text'
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}
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function insertBinding(path: string) {
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if (!selected) return
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const field = bindingField(selected)
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if (!field) return
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updateBlock(selected.id, { [field]: `${String(selected.props[field] || '')}{{${path}}}` })
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}
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if (screen === 'templates') {
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return (
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<main className="app">
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<header className="topbar landing">
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<div>
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<div className="eyebrow">ARROWSTACK</div>
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<h1>Template Studio</h1>
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</div>
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<button className="circle primary" onClick={() => setCreateOpen(true)} aria-label="New template">＋</button>
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</header>
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<section className="intro">
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<p>Build email templates and reports from reusable blocks, right from your phone.</p>
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</section>
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{error && <div className="error-banner">{error}</div>}
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<section className="template-list">
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{templates.map(template => (
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<button key={template.id} className="template-card" onClick={() => void openTemplate(template.id)}>
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<span className={`type-badge ${template.type}`}>{template.type === 'email' ? 'Email' : 'Report'}</span>
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<strong>{template.name}</strong>
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<span className="muted">
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{template.published_version ? `Published v${template.published_version}` : 'Draft'} · {new Date(template.updated_at).toLocaleDateString()}
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</span>
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</button>
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))}
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{!templates.length && <div className="empty">No templates yet. Tap + to build your first one.</div>}
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</section>
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<footer className="account-row">
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<span>{user.name || user.preferred_username || user.email}</span>
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<a href="/auth/logout">Sign out</a>
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</footer>
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{createOpen && (
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<div className="sheet-backdrop" onClick={() => setCreateOpen(false)}>
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<section className="sheet compact" onClick={event => event.stopPropagation()}>
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<div className="grabber" />
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<h2>New template</h2>
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<label>
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Name
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<input autoFocus value={createName} onChange={event => setCreateName(event.target.value)} placeholder="Weekly packing report" />
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</label>
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<div className="segmented">
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<button className={createType === 'report' ? 'active' : ''} onClick={() => setCreateType('report')}>Report</button>
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<button className={createType === 'email' ? 'active' : ''} onClick={() => setCreateType('email')}>Email</button>
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</div>
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<button className="button primary full" onClick={() => void createTemplate()}>Create template</button>
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</section>
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</div>
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)}
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</main>
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)
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}
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return (
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<main className="app editor-shell">
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<header className="topbar editor-topbar">
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<button className="circle" onClick={() => { setScreen('templates'); void refreshTemplates() }}>←</button>
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<div className="title-stack">
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<strong>{active?.name}</strong>
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<span className={`save-state ${saveState}`}>
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{saveState === 'saved' ? 'Saved' : saveState === 'saving' ? 'Saving…' : 'Saved locally'}
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</span>
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</div>
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<button className="publish-button" onClick={() => void publish()}>
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{active?.published_version ? `Publish v${active.published_version + 1}` : 'Publish'}
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</button>
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</header>
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{error && <div className="error-banner inline">{error}</div>}
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{screen === 'editor' && (
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<section className="canvas">
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<div className="canvas-label">{active?.type === 'email' ? 'EMAIL' : 'REPORT'}</div>
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{templateDoc.blocks.map((block, index) => (
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<button key={block.id} className={`block-card ${selectedId === block.id ? 'selected' : ''}`} onClick={() => setSelectedId(block.id)}>
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<span className="block-type">{blockLabels[block.type]}</span>
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<strong>{blockSummary(block)}</strong>
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<span className="block-index">{index + 1}</span>
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</button>
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))}
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<button className="add-block" onClick={() => setAddOpen(true)}>＋ Add block</button>
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{!templateDoc.blocks.length && <p className="muted center">Start by adding a block.</p>}
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</section>
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)}
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{screen === 'preview' && (
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<section className="preview-panel">
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<div className="preview-toolbar">
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<div className="segmented small">
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<button className={previewDevice === 'mobile' ? 'active' : ''} onClick={() => setPreviewDevice('mobile')}>Mobile</button>
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<button className={previewDevice === 'desktop' ? 'active' : ''} onClick={() => setPreviewDevice('desktop')}>Desktop</button>
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</div>
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<button className="button" onClick={() => void refreshPreview()}>Refresh</button>
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</div>
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<div className={`preview-frame-wrap ${previewDevice}`}>
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{previewHtml ? <iframe title="Template preview" srcDoc={previewHtml} sandbox="" /> : <div className="empty">Generating preview…</div>}
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</div>
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{active?.type === 'report' && <button className="button primary full" onClick={() => void downloadPdf()}>Download PDF</button>}
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</section>
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)}
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{screen === 'data' && (
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<section className="data-panel">
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<h2>Sample data</h2>
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<p className="muted">Use this while designing. Production callers can supply their own render data.</p>
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<textarea className="json-editor" value={dataText} onChange={event => setDataText(event.target.value)} spellCheck={false} />
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<button className="button primary full" onClick={applyData}>Apply sample data</button>
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{!!paths.length && (
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<>
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<h3>Available fields</h3>
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<div className="binding-list">
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{paths.map(path => <code key={path}>{`{{${path}}}`}</code>)}
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</div>
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</>
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)}
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</section>
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)}
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<nav className="bottom-nav">
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<button className={screen === 'editor' ? 'active' : ''} onClick={() => setScreen('editor')}><span>✎</span>Edit</button>
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<button className={screen === 'preview' ? 'active' : ''} onClick={() => void goPreview()}><span>◉</span>Preview</button>
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<button className={screen === 'data' ? 'active' : ''} onClick={() => setScreen('data')}><span>{'{ }'}</span>Data</button>
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</nav>
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{addOpen && (
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<div className="sheet-backdrop" onClick={() => setAddOpen(false)}>
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<section className="sheet" onClick={event => event.stopPropagation()}>
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<div className="grabber" />
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<h2>Add block</h2>
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<div className="block-picker">
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{(Object.keys(blockLabels) as BlockType[]).map(type => (
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<button key={type} onClick={() => addBlock(type)}>
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<span className="picker-icon">{type === 'heading' ? 'H' : type === 'text' ? 'T' : type === 'kpi' ? '#' : type === 'button' ? '↗' : type === 'image' ? '▧' : type === 'divider' ? '—' : '▦'}</span>
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{blockLabels[type]}
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</button>
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))}
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</div>
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</section>
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</div>
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)}
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{selected && screen === 'editor' && (
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<div className="sheet-backdrop light" onClick={() => setSelectedId(null)}>
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<section className="sheet block-editor" onClick={event => event.stopPropagation()}>
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<div className="grabber" />
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<div className="sheet-title-row">
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<h2>{blockLabels[selected.type]}</h2>
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<button className="text-button" onClick={() => setSelectedId(null)}>Done</button>
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</div>
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{(selected.type === 'heading' || selected.type === 'text') && (
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<label>
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Text
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<textarea value={String(selected.props.text || '')} onChange={event => updateBlock(selected.id, { text: event.target.value })} />
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</label>
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)}
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{selected.type === 'kpi' && (
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<>
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<label>Label<input value={String(selected.props.label || '')} onChange={event => updateBlock(selected.id, { label: event.target.value })} /></label>
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<label>Value<input value={String(selected.props.value || '')} onChange={event => updateBlock(selected.id, { value: event.target.value })} /></label>
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</>
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)}
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{selected.type === 'button' && (
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<>
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<label>Text<input value={String(selected.props.text || '')} onChange={event => updateBlock(selected.id, { text: event.target.value })} /></label>
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<label>URL<input value={String(selected.props.url || '')} onChange={event => updateBlock(selected.id, { url: event.target.value })} /></label>
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</>
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)}
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{selected.type === 'image' && (
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<>
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<label>Image URL<input value={String(selected.props.url || '')} onChange={event => updateBlock(selected.id, { url: event.target.value })} /></label>
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<label>Alt text<input value={String(selected.props.alt || '')} onChange={event => updateBlock(selected.id, { alt: event.target.value })} /></label>
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</>
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)}
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{selected.type === 'table' && (
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<label>Rows data path<input value={String(selected.props.rowsPath || '')} onChange={event => updateBlock(selected.id, { rowsPath: event.target.value })} placeholder="items" /></label>
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)}
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{bindingField(selected) && !!paths.length && (
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<>
|
||||
<h3>Insert data</h3>
|
||||
<div className="binding-chips">
|
||||
{paths.slice(0, 12).map(path => <button key={path} onClick={() => insertBinding(path)}>{path}</button>)}
|
||||
</div>
|
||||
</>
|
||||
)}
|
||||
|
||||
<div className="block-actions">
|
||||
<button onClick={() => moveBlock(selected.id, -1)}>↑ Move up</button>
|
||||
<button onClick={() => moveBlock(selected.id, 1)}>↓ Move down</button>
|
||||
</div>
|
||||
<button className="danger-link" onClick={() => removeBlock(selected.id)}>Delete block</button>
|
||||
</section>
|
||||
</div>
|
||||
)}
|
||||
</main>
|
||||
)
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user