Created
May 24, 2021 20:48
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Next.js get CSV and parse
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import fs from 'fs'; | |
import { IncomingForm } from 'formidable'; | |
import csvParser from 'csv-parser'; | |
export default async (req, res) => { | |
const data = await new Promise((resolve, reject) => { | |
const form = new IncomingForm() | |
form.parse(req, (err, fields, files) => { | |
if (err) return reject(err); | |
resolve({ fields, files }); | |
}); | |
}); | |
const csvArray = []; | |
await new Promise((resolve) => { | |
fs.createReadStream(data.files.csv.path, { | |
encoding: 'utf-8' | |
}) | |
.pipe(csvParser(',')) | |
.on('data', (csvrow) => { | |
csvArray.push(csvrow); | |
}) | |
.on('end',function() { | |
resolve(); | |
}); | |
}); | |
const document = { | |
...data.fields, | |
csv: csvArray | |
} | |
console.log(document); | |
res.status(200).json(document); | |
} | |
export const config = { | |
api: { bodyParser: false } | |
}; |
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export default function Upload() { | |
function submit(e) { | |
e.preventDefault(); | |
const data = new FormData(e.target); | |
fetch('/api/upload', { | |
method: 'POST', | |
body: data | |
}) | |
.then(res => console.log(res)) | |
.catch(err => console.log(err)); | |
} | |
return ( | |
<form onSubmit={ submit }> | |
<input type="name" name="name" value="Dio" required /> | |
<input type="file" name="csv" required /> | |
<button type="submit">Enviar</button> | |
</form> | |
); | |
} |
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