function MainComponent() { const [file, setFile] = React.useState(null); const [rowsPerFile, setRowsPerFile] = React.useState(''); const [isProcessing, setIsProcessing] = React.useState(false); const handleFileChange = (e)=>{ setFile(e.target.files[0]); }; const handleRowsChange = (e)=>{ setRowsPerFile(e.target.value); }; const processCSV = async ()=>{ if (!file || !rowsPerFile) return; setIsProcessing(true); const text = await file.text(); const rows = text.split('\n'); const header = rows[0]; const dataRows = rows.slice(1); const chunks = []; for(let i = 0; i < dataRows.length; i += parseInt(rowsPerFile)){ chunks.push([ header, ...dataRows.slice(i, i + parseInt(rowsPerFile)) ].join('\n')); } chunks.forEach((chunk, index)=>{ const blob = new Blob([ chunk ], { type: 'text/csv' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = `split_${index + 1}.csv`; a.click(); URL.revokeObjectURL(url); }); setIsProcessing(false); }; return /*#__PURE__*/ React.createElement("div", { className: "min-h-screen bg-gray-100 py-12 px-4 sm:px-6 lg:px-8", __source: { fileName: "", lineNumber: 43, columnNumber: 5 }, __self: this }, /*#__PURE__*/ React.createElement("div", { className: "max-w-md mx-auto bg-white rounded-xl shadow-md overflow-hidden md:max-w-2xl", __source: { fileName: "", lineNumber: 44, columnNumber: 7 }, __self: this }, /*#__PURE__*/ React.createElement("div", { className: "md:flex", __source: { fileName: "", lineNumber: 45, columnNumber: 9 }, __self: this }, /*#__PURE__*/ React.createElement("div", { className: "p-8", __source: { fileName: "", lineNumber: 46, columnNumber: 11 }, __self: this }, /*#__PURE__*/ React.createElement("div", { className: "uppercase tracking-wide text-sm text-indigo-500 font-semibold mb-4", __source: { fileName: "", lineNumber: 47, columnNumber: 13 }, __self: this }, "CSV File Splitter"), /*#__PURE__*/ React.createElement("div", { className: "mb-4", __source: { fileName: "", lineNumber: 50, columnNumber: 13 }, __self: this }, /*#__PURE__*/ React.createElement("label", { className: "block text-gray-700 text-sm font-bold mb-2", htmlFor: "file", __source: { fileName: "", lineNumber: 51, columnNumber: 15 }, __self: this }, "Select CSV file"), /*#__PURE__*/ React.createElement("input", { type: "file", id: "file", name: "file", accept: ".csv", onChange: handleFileChange, className: "shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline", __source: { fileName: "", lineNumber: 54, columnNumber: 15 }, __self: this })), /*#__PURE__*/ React.createElement("div", { className: "mb-6", __source: { fileName: "", lineNumber: 63, columnNumber: 13 }, __self: this }, /*#__PURE__*/ React.createElement("label", { className: "block text-gray-700 text-sm font-bold mb-2", htmlFor: "rows", __source: { fileName: "", lineNumber: 64, columnNumber: 15 }, __self: this }, "Rows per file"), /*#__PURE__*/ React.createElement("input", { type: "number", id: "rows", name: "rows", value: rowsPerFile, onChange: handleRowsChange, className: "shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline", placeholder: "Enter number of rows", __source: { fileName: "", lineNumber: 67, columnNumber: 15 }, __self: this })), /*#__PURE__*/ React.createElement("div", { className: "flex items-center justify-between", __source: { fileName: "", lineNumber: 77, columnNumber: 13 }, __self: this }, /*#__PURE__*/ React.createElement("button", { onClick: processCSV, disabled: !file || !rowsPerFile || isProcessing, className: "bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline disabled:opacity-50", __source: { fileName: "", lineNumber: 78, columnNumber: 15 }, __self: this }, isProcessing ? 'Processing...' : 'Split and Download')))))); }