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subhasmitalmg-react-spreadsheet-import

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React spreadsheet import for xlsx and csv files with column matching and validation steps

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const readFileAsync = (file) => { return new Promise((resolve, reject) => { const reader = new FileReader(); reader.onload = () => { resolve(reader.result); }; reader.onerror = reject; reader.readAsArrayBuffer(file); }); }; export { readFileAsync };