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Split PDF

\n \n {/* File Upload Area */}\n fileInputRef.current?.click()}\n >\n e.target.files?.[0] && handleFileSelect(e.target.files[0])}\n className=\"hidden\"\n />\n \n {file ? (\n

✅

{file.name}

\n {pdfInfo && (\n

\n {pdfInfo.pageCount} pages • {formatFileSize(pdfInfo.size)}\n

\n )}\n

\n ) : (\n

📄

Drop PDF file here or click to browse

Supports PDF files only

\n )}\n

\n\n {/* Page Range Input */}\n {pdfInfo && (\n

\n \n Page Ranges to Extract\n \n setPageRanges(e.target.value)}\n placeholder=\"e.g., 1-3,5,7-9\"\n className=\"w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500\"\n />\n

\n Examples: \"1-3\" (pages 1 to 3), \"1,3,5\" (pages 1, 3, and 5), \"1-3,5,7-9\" (pages 1-3, 5, and 7-9)\n

\n Total pages available: {pdfInfo.pageCount}\n

\n )}\n\n {/* Split Button */}\n \n {isProcessing ? (\n \n \n Processing...\n \n ) : (\n '✂️ Split PDF'\n )}\n \n \n );\n}","/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport React, { useState, useRef } from \"https://esm.sh/react@18.2.0?deps=react@18.2.0\";\nimport type { SplitRequest, ApiResponse, PdfInfo } from \"../../shared/types.ts\";\n\nexport default function PdfSplitter() {\n const [file, setFile] = useState(null);\n const [pdfInfo, setPdfInfo] = useState(null);\n const [pageRanges, setPageRanges] = useState('');\n const [isProcessing, setIsProcessing] = useState(false);\n const [dragOver, setDragOver] = useState(false);\n const fileInputRef = useRef(null);\n\n const handleFileSelect = async (selectedFile: File) => {\n if (selectedFile.type !== 'application/pdf') {\n alert('Please select a PDF file');\n return;\n }\n\n setFile(selectedFile);\n \n // Get PDF info using PDF-lib\n try {\n const arrayBuffer = await selectedFile.arrayBuffer();\n const { PDFDocument } = await import(\"https://esm.sh/pdf-lib@1.17.1\");\n const pdfDoc = await PDFDocument.load(arrayBuffer);\n \n setPdfInfo({\n pageCount: pdfDoc.getPageCount(),\n filename: selectedFile.name,\n size: selectedFile.size\n });\n \n // Set default page range to all pages\n setPageRanges(`1-${pdfDoc.getPageCount()}`);\n } catch (error) {\n console.error('Error reading PDF:', error);\n alert('Error reading PDF file');\n }\n };\n\n const handleDrop = (e: React.DragEvent) => {\n e.preventDefault();\n setDragOver(false);\n \n const files = Array.from(e.dataTransfer.files);\n if (files.length > 0) {\n handleFileSelect(files[0]);\n }\n };\n\n const handleDragOver = (e: React.DragEvent) => {\n e.preventDefault();\n setDragOver(true);\n };\n\n const handleDragLeave = (e: React.DragEvent) => {\n e.preventDefault();\n setDragOver(false);\n };\n\n const handleSplit = async () => {\n if (!file || !pageRanges.trim()) {\n alert('Please select a file and specify page ranges');\n return;\n }\n\n setIsProcessing(true);\n\n try {\n // Convert file to base64\n const arrayBuffer = await file.arrayBuffer();\n const base64 = btoa(String.fromCharCode(...new Uint8Array(arrayBuffer)));\n\n const request: SplitRequest = {\n file: base64,\n pages: pageRanges.trim(),\n filename: file.name\n };\n\n const response = await fetch('/api/split', {\n method: 'POST',\n headers: {\n 'Content-Type': 'application/json',\n },\n body: JSON.stringify(request),\n });\n\n const result: ApiResponse = await response.json();\n\n if (result.success && result.data && result.filename) {\n // Create download link\n const binaryString = atob(result.data);\n const bytes = new Uint8Array(binaryString.length);\n for (let i = 0; i < binaryString.length; i++) {\n bytes[i] = binaryString.charCodeAt(i);\n }\n \n const blob = new Blob([bytes], { type: 'application/pdf' });\n const url = URL.createObjectURL(blob);\n \n const a = document.createElement('a');\n a.href = url;\n a.download = result.filename;\n document.body.appendChild(a);\n a.click();\n document.body.removeChild(a);\n URL.revokeObjectURL(url);\n } else {\n alert(result.error || 'Failed to split PDF');\n }\n } catch (error) {\n console.error('Error splitting PDF:', error);\n alert('Error splitting PDF');\n } finally {\n setIsProcessing(false);\n }\n };\n\n const formatFileSize = (bytes: number) => {\n if (bytes === 0) return '0 Bytes';\n const k = 1024;\n const sizes = ['Bytes', 'KB', 'MB', 'GB'];\n const i = Math.floor(Math.log(bytes) / Math.log(k));\n return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];\n };\n\n return (\n

Split PDF

\n \n {/* File Upload Area */}\n fileInputRef.current?.click()}\n >\n e.target.files?.[0] && handleFileSelect(e.target.files[0])}\n className=\"hidden\"\n />\n \n {file ? (\n

✅

{file.name}

\n {pdfInfo && (\n

\n {pdfInfo.pageCount} pages • {formatFileSize(pdfInfo.size)}\n

\n )}\n

\n ) : (\n

📄

Drop PDF file here or click to browse

Supports PDF files only

\n )}\n

\n\n {/* Page Range Input */}\n {pdfInfo && (\n

\n \n Page Ranges to Extract\n \n setPageRanges(e.target.value)}\n placeholder=\"e.g., 1-3,5,7-9\"\n className=\"input-3d w-full px-4 py-3 rounded-lg text-white placeholder-gray-400 focus:outline-none transition-all\"\n />\n

\n Examples: \"1-3\" (pages 1 to 3), \"1,3,5\" (pages 1, 3, and 5), \"1-3,5,7-9\" (pages 1-3, 5, and 7-9)\n

\n Total pages available: {pdfInfo.pageCount}\n

\n )}\n\n {/* Split Button */}\n \n {isProcessing ? (\n \n \n Processing...\n \n ) : (\n '✂️ Split PDF'\n )}\n \n \n );\n}","createdAt",["D",1748552915943],"branchVersion","branchId","1bf079a4-3ccf-11f0-ad26-9e149126039e","id","1bf02940-3ccf-11f0-ad26-9e149126039e","pdf",["D",1748552067308],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","imageUrl","60ec6c90-380e-11f0-8bf7-1b413b1612ec","pinnedFileId","514bf560-3ccf-11f0-bfcc-9e149126039e","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",0,"orgId","c7253a6b-3efb-483b-ae6d-b395c8bc455a","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_97":96,"_104":100},"org",{"_97":96,"_98":-5,"_99":100,"_18":55,"_101":102,"_103":25},"branch",{"_13":86,"_32":87,"_44":43,"_88":45,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":46,"_95":96},"isOwned",15,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","pro989","handle","displayName","avatar","https://img.clerk.com/eyJ0eXBlIjoiZGVmYXVsdCIsImlpZCI6Imluc18yTm10cGhQUklwU0tqZHNiOHNnNGd2ZjJURFUiLCJyaWQiOiJ1c2VyXzJ4Vmk3dkhhVFNlYXJHUzJsaThJbnZPTkxXRCJ9","tier","free","canRestrictVals","profileImageUrl","branchName","","adoptOrgId",{"_44":45,"_32":46,"_39":253,"_48":-5,"_49":25,"_50":51,"_52":51,"_53":-5,"_54":-5,"_18":55,"_56":57,"_58":59,"_60":59,"_61":-5,"_62":63,"_64":65,"_66":-5,"_67":-5,"_68":-5,"_69":-5,"_70":71,"_72":71,"_73":74,"_75":74,"_76":74,"_77":71,"_78":71,"_79":254,"_81":255,"_83":256,"_85":25},"tree",[170,172,179,181],"files",[170,171,172,173,174,175,176,177,178,179,180,181],"counts",{"_160":63,"_161":135,"_162":63,"_163":164,"_165":166},"contents",[127,128,129,130],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_44":154,"_32":155,"_30":156,"_134":-5,"_42":43,"_41":157,"_136":59,"_39":158,"_13":63,"_34":146,"_36":-5,"_24":25,"_139":-5,"_27":159},{"_44":148,"_32":149,"_30":150,"_134":-5,"_42":43,"_41":151,"_136":59,"_39":152,"_13":63,"_34":146,"_36":-5,"_24":25,"_139":-5,"_27":153},{"_44":141,"_32":142,"_30":143,"_134":-5,"_42":43,"_41":144,"_136":59,"_39":145,"_13":63,"_34":146,"_36":-5,"_24":25,"_139":-5,"_27":147},{"_44":131,"_32":132,"_30":133,"_134":-5,"_42":43,"_41":135,"_136":59,"_39":137,"_13":63,"_34":20,"_36":138,"_24":25,"_139":-5,"_27":140},"3ac217a2-3ccf-11f0-9a5e-9e149126039e","README.md","3ac21856-3ccf-11f0-9a5e-9e149126039e","parentId",1,"latest",["D",1748552119012],"# PDF Split & Merge Tool\n\nA web-based tool for splitting and merging PDF files built on Val Town.\n\n## Features\n\n- **Split PDF**: Extract specific pages or page ranges from a PDF\n- **Merge PDFs**: Combine multiple PDF files into one\n- **Preview**: View PDF pages before processing\n- **Download**: Get processed PDFs instantly\n\n## Project Structure\n\n```\n├── backend/\n│ ├── index.ts # Main Hono server with API routes\n│ └── README.md # Backend documentation\n├── frontend/\n│ ├── components/\n│ │ ├── App.tsx # Main React application\n│ │ ├── PdfSplitter.tsx # PDF splitting component\n│ │ ├── PdfMerger.tsx # PDF merging component\n│ │ └── PdfViewer.tsx # PDF preview component\n│ ├── index.html # Main HTML template\n│ ├── index.tsx # Frontend entry point\n│ └── style.css # Custom styles\n├── shared/\n│ └── types.ts # Shared TypeScript types\n└── README.md # This file\n```\n\n## API Endpoints\n\n- `GET /` - Serve the main application\n- `POST /api/split` - Split a PDF file\n- `POST /api/merge` - Merge multiple PDF files\n- `GET /frontend/*` - Serve frontend assets\n- `GET /shared/*` - Serve shared assets\n\n## Usage\n\n1. Visit the application URL\n2. Choose between Split or Merge mode\n3. Upload your PDF file(s)\n4. Configure split ranges or merge order\n5. Download the processed PDF\n\n## Technology Stack\n\n- **Backend**: Hono (TypeScript)\n- **Frontend**: React 18.2.0 with TypeScript\n- **PDF Processing**: PDF-lib library\n- **Styling**: TailwindCSS\n- **Storage**: Client-side file handling (no server storage)","label",[132],"3de9008a-3ccf-11f0-ac45-9e149126039e","shared","5fdcc53d-2e72-460f-96c7-a6242d5172e5",2,["D",1748552124295],"directory",[142],"565cd6c8-3ccf-11f0-9526-9e149126039e","frontend","7e2b6146-c9bc-4a73-a112-d087fe88644f",4,["D",1748552165324],[149],"514c0604-3ccf-11f0-bfcc-9e149126039e","backend","e65c4410-c56d-4760-b917-995716232a21",3,["D",1748552156824],[155],"pulls","branches","forks","envVars",{"_167":63,"_169":63},"connections",{"_167":63,"_168":63},"count","unfilledCount","emptyCount",{"_44":154,"_32":155,"_30":156,"_134":-5,"_42":43,"_41":157,"_136":59,"_39":250,"_13":63,"_34":146,"_36":-5,"_24":25,"_139":-5,"_183":251,"_27":252},{"_44":242,"_32":243,"_30":57,"_134":156,"_42":43,"_41":244,"_136":59,"_39":245,"_13":135,"_34":246,"_36":247,"_24":25,"_139":-5,"_183":248,"_27":249},{"_44":148,"_32":149,"_30":150,"_134":-5,"_42":43,"_41":151,"_136":59,"_39":239,"_13":63,"_34":146,"_36":-5,"_24":25,"_139":-5,"_183":240,"_27":241},{"_44":234,"_32":217,"_30":213,"_134":150,"_42":43,"_41":235,"_136":59,"_39":236,"_13":63,"_34":146,"_36":-5,"_24":25,"_139":-5,"_183":237,"_27":238},{"_44":226,"_32":227,"_30":228,"_134":213,"_42":43,"_41":229,"_136":59,"_39":230,"_13":144,"_34":35,"_36":231,"_24":25,"_139":-5,"_183":232,"_27":233},{"_44":218,"_32":219,"_30":220,"_134":213,"_42":43,"_41":221,"_136":25,"_39":222,"_13":63,"_34":35,"_36":223,"_24":25,"_139":-5,"_183":224,"_27":225},{"_44":212,"_32":33,"_30":31,"_134":213,"_42":43,"_41":14,"_136":59,"_39":214,"_13":135,"_34":35,"_36":38,"_24":25,"_139":-5,"_183":215,"_27":216},{"_44":204,"_32":205,"_30":206,"_134":150,"_42":43,"_41":207,"_136":59,"_39":208,"_13":144,"_34":20,"_36":209,"_24":25,"_139":-5,"_183":210,"_27":211},{"_44":196,"_32":197,"_30":198,"_134":150,"_42":43,"_41":199,"_136":59,"_39":200,"_13":63,"_34":35,"_36":201,"_24":25,"_139":-5,"_183":202,"_27":203},{"_44":141,"_32":142,"_30":143,"_134":-5,"_42":43,"_41":144,"_136":59,"_39":193,"_13":63,"_34":146,"_36":-5,"_24":25,"_139":-5,"_183":194,"_27":195},{"_44":186,"_32":187,"_30":188,"_134":143,"_42":43,"_41":144,"_136":59,"_39":189,"_13":63,"_34":35,"_36":190,"_24":25,"_139":-5,"_183":191,"_27":192},{"_44":131,"_32":132,"_30":133,"_134":-5,"_42":43,"_41":135,"_136":59,"_39":182,"_13":63,"_34":20,"_36":138,"_24":25,"_139":-5,"_183":184,"_27":185},["D",1748552119012],"children",[],[132],"3de8fb08-3ccf-11f0-ac45-9e149126039e","types.ts","3de8fb9e-3ccf-11f0-ac45-9e149126039e",["D",1748552124295],"// Shared types for PDF operations\n\nexport interface SplitRequest {\n file: string; // base64 encoded PDF\n pages: string; // e.g., \"1-3,5,7-9\"\n filename: string;\n}\n\nexport interface MergeRequest {\n files: Array<{\n data: string; // base64 encoded PDF\n filename: string;\n }>;\n outputFilename: string;\n}\n\nexport interface ApiResponse {\n success: boolean;\n data?: string; // base64 encoded result PDF\n filename?: string;\n error?: string;\n}\n\nexport interface PdfInfo {\n pageCount: number;\n filename: string;\n size: number;\n}",[],[142,187],["D",1748552124295],[180],[142],"59d6d736-3ccf-11f0-8a00-9e149126039e","index.tsx","59d6d7fe-3ccf-11f0-8a00-9e149126039e",5,["D",1748552171158],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport React from \"https://esm.sh/react@18.2.0?deps=react@18.2.0\";\nimport { createRoot } from \"https://esm.sh/react-dom@18.2.0/client?deps=react@18.2.0,react-dom@18.2.0\";\nimport App from \"./components/App.tsx\";\n\nconst root = createRoot(document.getElementById(\"root\")!);\nroot.render();",[],[149,197],"f90dbf58-3cd0-11f0-b374-9e149126039e","index.html","565cd0f6-3ccf-11f0-9526-9e149126039e",12,["D",1748552867765],"\n\n\n \n \n PDF Split & Merge Tool\n \n \n 📄\">\n \n\n\n

\n \n\n",[],[149,205],"15c6a470-3cd1-11f0-af85-9e149126039e","de4f7791-6c65-4820-8388-8155d41361c2",["D",1748552915943],[],[149,217,33],"components","8a86d688-3ccf-11f0-a1b6-9e149126039e","PdfMerger.tsx","8a86d746-3ccf-11f0-a1b6-9e149126039e",8,["D",1748552252843],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport React, { useState, useRef } from \"https://esm.sh/react@18.2.0?deps=react@18.2.0\";\nimport type { MergeRequest, ApiResponse, PdfInfo } from \"../../shared/types.ts\";\n\ninterface FileWithInfo {\n file: File;\n info: PdfInfo;\n}\n\nexport default function PdfMerger() {\n const [files, setFiles] = useState([]);\n const [outputFilename, setOutputFilename] = useState('merged.pdf');\n const [isProcessing, setIsProcessing] = useState(false);\n const [dragOver, setDragOver] = useState(false);\n const fileInputRef = useRef(null);\n\n const handleFilesSelect = async (selectedFiles: FileList) => {\n const pdfFiles = Array.from(selectedFiles).filter(file => file.type === 'application/pdf');\n \n if (pdfFiles.length === 0) {\n alert('Please select PDF files only');\n return;\n }\n\n const newFilesWithInfo: FileWithInfo[] = [];\n\n for (const file of pdfFiles) {\n try {\n const arrayBuffer = await file.arrayBuffer();\n const { PDFDocument } = await import(\"https://esm.sh/pdf-lib@1.17.1\");\n const pdfDoc = await PDFDocument.load(arrayBuffer);\n \n newFilesWithInfo.push({\n file,\n info: {\n pageCount: pdfDoc.getPageCount(),\n filename: file.name,\n size: file.size\n }\n });\n } catch (error) {\n console.error(`Error reading PDF ${file.name}:`, error);\n alert(`Error reading PDF file: ${file.name}`);\n }\n }\n\n setFiles(prev => [...prev, ...newFilesWithInfo]);\n };\n\n const handleDrop = (e: React.DragEvent) => {\n e.preventDefault();\n setDragOver(false);\n \n const droppedFiles = e.dataTransfer.files;\n if (droppedFiles.length > 0) {\n handleFilesSelect(droppedFiles);\n }\n };\n\n const handleDragOver = (e: React.DragEvent) => {\n e.preventDefault();\n setDragOver(true);\n };\n\n const handleDragLeave = (e: React.DragEvent) => {\n e.preventDefault();\n setDragOver(false);\n };\n\n const removeFile = (index: number) => {\n setFiles(prev => prev.filter((_, i) => i !== index));\n };\n\n const moveFile = (fromIndex: number, toIndex: number) => {\n if (toIndex < 0 || toIndex >= files.length) return;\n \n setFiles(prev => {\n const newFiles = [...prev];\n const [movedFile] = newFiles.splice(fromIndex, 1);\n newFiles.splice(toIndex, 0, movedFile);\n return newFiles;\n });\n };\n\n const handleMerge = async () => {\n if (files.length < 2) {\n alert('Please select at least 2 PDF files to merge');\n return;\n }\n\n setIsProcessing(true);\n\n try {\n const filesData = await Promise.all(\n files.map(async ({ file }) => {\n const arrayBuffer = await file.arrayBuffer();\n const base64 = btoa(String.fromCharCode(...new Uint8Array(arrayBuffer)));\n return {\n data: base64,\n filename: file.name\n };\n })\n );\n\n const request: MergeRequest = {\n files: filesData,\n outputFilename: outputFilename || 'merged.pdf'\n };\n\n const response = await fetch('/api/merge', {\n method: 'POST',\n headers: {\n 'Content-Type': 'application/json',\n },\n body: JSON.stringify(request),\n });\n\n const result: ApiResponse = await response.json();\n\n if (result.success && result.data && result.filename) {\n // Create download link\n const binaryString = atob(result.data);\n const bytes = new Uint8Array(binaryString.length);\n for (let i = 0; i < binaryString.length; i++) {\n bytes[i] = binaryString.charCodeAt(i);\n }\n \n const blob = new Blob([bytes], { type: 'application/pdf' });\n const url = URL.createObjectURL(blob);\n \n const a = document.createElement('a');\n a.href = url;\n a.download = result.filename;\n document.body.appendChild(a);\n a.click();\n document.body.removeChild(a);\n URL.revokeObjectURL(url);\n } else {\n alert(result.error || 'Failed to merge PDFs');\n }\n } catch (error) {\n console.error('Error merging PDFs:', error);\n alert('Error merging PDFs');\n } finally {\n setIsProcessing(false);\n }\n };\n\n const formatFileSize = (bytes: number) => {\n if (bytes === 0) return '0 Bytes';\n const k = 1024;\n const sizes = ['Bytes', 'KB', 'MB', 'GB'];\n const i = Math.floor(Math.log(bytes) / Math.log(k));\n return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];\n };\n\n const totalPages = files.reduce((sum, { info }) => sum + info.pageCount, 0);\n\n return (\n

Merge PDFs

\n \n {/* File Upload Area */}\n fileInputRef.current?.click()}\n >\n e.target.files && handleFilesSelect(e.target.files)}\n className=\"hidden\"\n />\n \n

📄

Drop PDF files here or click to browse

Select multiple PDF files to merge

\n\n {/* File List */}\n {files.length > 0 && (\n

\n Files to Merge ({files.length} files, {totalPages} total pages)\n

\n {files.map(({ file, info }, index) => (\n

\n {index + 1}.\n

{info.filename}

\n {info.pageCount} pages • {formatFileSize(info.size)}\n

\n moveFile(index, index - 1)}\n disabled={index === 0}\n className=\"p-1 text-gray-400 hover:text-gray-600 disabled:opacity-30\"\n title=\"Move up\"\n >\n ⬆️\n \n moveFile(index, index + 1)}\n disabled={index === files.length - 1}\n className=\"p-1 text-gray-400 hover:text-gray-600 disabled:opacity-30\"\n title=\"Move down\"\n >\n ⬇️\n \n removeFile(index)}\n className=\"p-1 text-red-400 hover:text-red-600\"\n title=\"Remove\"\n >\n 🗑️\n \n

\n ))}\n

\n )}\n\n {/* Output Filename */}\n {files.length > 0 && (\n

\n \n Output Filename\n \n setOutputFilename(e.target.value)}\n placeholder=\"merged.pdf\"\n className=\"w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500\"\n />\n

\n )}\n\n {/* Merge Button */}\n \n {isProcessing ? (\n \n \n Processing...\n \n ) : (\n '🔗 Merge PDFs'\n )}\n \n\n {files.length === 1 && (\n

\n Add at least one more PDF file to enable merging\n

\n )}\n \n );\n}",[],[149,217,219],"04d792dc-3cd1-11f0-861a-9e149126039e","App.tsx","612859ec-3ccf-11f0-b267-9e149126039e",13,["D",1748552887547],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport React, { useState } from \"https://esm.sh/react@18.2.0?deps=react@18.2.0\";\nimport PdfSplitter from \"./PdfSplitter.tsx\";\nimport PdfMerger from \"./PdfMerger.tsx\";\n\ntype Mode = 'split' | 'merge';\n\nexport default function App() {\n const [mode, setMode] = useState('split');\n\n return (\n

\n {/* Header */}\n

\n 📄 PDF Split & Merge Tool\n

\n Split PDFs into pages or merge multiple PDFs into one\n

\n\n {/* Mode Selector */}\n

\n setMode('split')}\n className={`px-8 py-4 rounded-lg font-medium transition-all ${\n mode === 'split'\n ? 'mode-button-active text-white'\n : 'mode-button-inactive text-gray-300 hover:text-white'\n }`}\n >\n ✂️ Split PDF\n \n setMode('merge')}\n className={`px-8 py-4 rounded-lg font-medium transition-all ${\n mode === 'merge'\n ? 'mode-button-active text-white'\n : 'mode-button-inactive text-gray-300 hover:text-white'\n }`}\n >\n 🔗 Merge PDFs\n \n

\n\n {/* Main Content */}\n

\n {mode === 'split' ? : }\n

\n\n {/* Footer */}\n

\n );\n}",[],[149,217,227],"6128639c-3ccf-11f0-b267-9e149126039e",6,["D",1748552183436],[174,175,176],[149,217],["D",1748552165324],[173,177,178],[149],"8d0fd22e-3ccf-11f0-9805-9e149126039e","index.ts",9,["D",1748552257091],"http","import { Hono } from \"https://esm.sh/hono@3.11.7\";\nimport { PDFDocument } from \"https://esm.sh/pdf-lib@1.17.1\";\nimport { readFile, serveFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\nimport type { SplitRequest, MergeRequest, ApiResponse } from \"../shared/types.ts\";\n\nconst app = new Hono();\n\n// Unwrap Hono errors to see original error details\napp.onError((err, c) => {\n throw err;\n});\n\n// Serve frontend assets\napp.get(\"/frontend/*\", c => serveFile(c.req.path, import.meta.url));\napp.get(\"/shared/*\", c => serveFile(c.req.path, import.meta.url));\n\n// Serve main application\napp.get(\"/\", async c => {\n const html = await readFile(\"/frontend/index.html\", import.meta.url);\n return c.html(html);\n});\n\n// Helper function to parse page ranges\nfunction parsePageRanges(pagesStr: string, totalPages: number): number[] {\n const pages: number[] = [];\n const ranges = pagesStr.split(',').map(s => s.trim());\n \n for (const range of ranges) {\n if (range.includes('-')) {\n const [start, end] = range.split('-').map(s => parseInt(s.trim()));\n if (isNaN(start) || isNaN(end) || start < 1 || end > totalPages || start > end) {\n throw new Error(`Invalid page range: ${range}`);\n }\n for (let i = start; i <= end; i++) {\n if (!pages.includes(i)) pages.push(i);\n }\n } else {\n const page = parseInt(range);\n if (isNaN(page) || page < 1 || page > totalPages) {\n throw new Error(`Invalid page number: ${range}`);\n }\n if (!pages.includes(page)) pages.push(page);\n }\n }\n \n return pages.sort((a, b) => a - b);\n}\n\n// Split PDF endpoint\napp.post(\"/api/split\", async c => {\n try {\n const body: SplitRequest = await c.req.json();\n \n // Decode base64 PDF\n const pdfBytes = Uint8Array.from(atob(body.file), c => c.charCodeAt(0));\n \n // Load the PDF\n const pdfDoc = await PDFDocument.load(pdfBytes);\n const totalPages = pdfDoc.getPageCount();\n \n // Parse page ranges\n const pagesToExtract = parsePageRanges(body.pages, totalPages);\n \n // Create new PDF with selected pages\n const newPdfDoc = await PDFDocument.create();\n \n for (const pageNum of pagesToExtract) {\n const [copiedPage] = await newPdfDoc.copyPages(pdfDoc, [pageNum - 1]); // PDF-lib uses 0-based indexing\n newPdfDoc.addPage(copiedPage);\n }\n \n // Generate output filename\n const baseName = body.filename.replace(/\\.pdf$/i, '');\n const outputFilename = `${baseName}_split.pdf`;\n \n // Save the new PDF\n const newPdfBytes = await newPdfDoc.save();\n const base64Result = btoa(String.fromCharCode(...newPdfBytes));\n \n const response: ApiResponse = {\n success: true,\n data: base64Result,\n filename: outputFilename\n };\n \n return c.json(response);\n } catch (error) {\n const response: ApiResponse = {\n success: false,\n error: error instanceof Error ? error.message : 'Unknown error occurred'\n };\n return c.json(response, 400);\n }\n});\n\n// Merge PDF endpoint\napp.post(\"/api/merge\", async c => {\n try {\n const body: MergeRequest = await c.req.json();\n \n if (!body.files || body.files.length === 0) {\n throw new Error('No files provided for merging');\n }\n \n // Create new PDF document\n const mergedPdf = await PDFDocument.create();\n \n // Process each file\n for (const file of body.files) {\n // Decode base64 PDF\n const pdfBytes = Uint8Array.from(atob(file.data), c => c.charCodeAt(0));\n \n // Load the PDF\n const pdfDoc = await PDFDocument.load(pdfBytes);\n \n // Copy all pages from this PDF\n const pageIndices = Array.from({ length: pdfDoc.getPageCount() }, (_, i) => i);\n const copiedPages = await mergedPdf.copyPages(pdfDoc, pageIndices);\n \n // Add all copied pages\n copiedPages.forEach(page => mergedPdf.addPage(page));\n }\n \n // Save the merged PDF\n const mergedPdfBytes = await mergedPdf.save();\n const base64Result = btoa(String.fromCharCode(...mergedPdfBytes));\n \n const response: ApiResponse = {\n success: true,\n data: base64Result,\n filename: body.outputFilename || 'merged.pdf'\n };\n \n return c.json(response);\n } catch (error) {\n const response: ApiResponse = {\n success: false,\n error: error instanceof Error ? error.message : 'Unknown error occurred'\n };\n return c.json(response, 400);\n }\n});\n\n// Health check endpoint\napp.get(\"/api/health\", c => {\n return c.json({ status: \"ok\", timestamp: new Date().toISOString() });\n});\n\nexport default app.fetch;",[],[155,243],["D",1748552156824],[171],[155],["D",1748552067308],{"_97":96,"_104":100},{"_97":96,"_98":-5,"_99":100,"_18":55,"_101":102,"_103":25},{"_13":86,"_32":87,"_44":43,"_88":45,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":46,"_95":96},"ctx",{"_79":-5,"_124":290,"_291":292,"_293":294,"_295":25,"_296":25,"_297":25,"_298":59,"_299":-5,"_300":-7,"_301":-7,"_302":63,"_303":25,"_304":25,"_305":-5,"_306":25,"_307":25,"_308":25,"_309":-5},"ENV",{"_261":262,"_263":264,"_265":87,"_266":267,"_268":269,"_270":271,"_272":273,"_274":275,"_276":277,"_278":279,"_280":281,"_282":283,"_284":285,"_286":287,"_288":289},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","a3e067d4463eea85f6334f8e583e8516ae58c4f6","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v14