npm i -s csv-parser
...
const csv = require('csv-parser');
const fs = require('fs');
fs.createReadStream('data.csv')
.pipe(csv())
.on('data', (row) => {
console.log(row);
})
.on('end', () => {
console.log('CSV file successfully processed');
});const fs = require('fs')
const csv = require('csv-parser')
const randomWords = require('random-words')
const users = [];
function generateUsername(firstname, surname) {
return `${firstname[0]}-${surname}`.toLowerCase();
}
fs.createReadStream('input.csv')
.pipe(csv())
.on('data', function (row) {
const username = generateUsername(row.Firstname, row.Surname);
const password = randomWords(3).join("-");
const user = {
username,
firstname: row.Firstname,
surname: row.Surname,
roles: row.Roles,
password
}
users.push(user)
})
.on('end', function () {
console.table(users)
// TODO: SAVE users data to another file
})
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<link href="https://unpkg.com/tabulator-tables/dist/css/tabulator.min.css" rel="stylesheet">
<title>Create CSV</title>
</head>
<body>
<div class="container py-4">
<h1>Create CSV</h1>
<h2>Add Columns</h2>
<input type="text" name="column" id="columnName" class="form-control" placeholder="Column Name" />
<button class="btn btn-primary mt-1" id="addColumn">Add</button>
<h2 class="mt-3">Column Data</h2>
<button class="btn btn-primary mb-3" id="addRow">Add Row</button>
<div id="csvTable"></div>
<button class="btn btn-primary mt-3" id="submitForm">Create CSV</button>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"
integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
<script type="text/javascript" src="https://unpkg.com/tabulator-tables/dist/js/tabulator.min.js"></script>
<script>
const columnNameInput = document.getElementById('columnName');
const addColumnButton = document.getElementById('addColumn');
const addRowButton = document.getElementById('addRow');
const submitFormButton = document.getElementById('submitForm');
const table = new Tabulator("#csvTable", {
height:"300px",
data: [], //assign data to table
movableColumns: true,
addRowPos: "bottom",
});
addColumnButton.addEventListener('click', () => {
const name = columnNameInput.value ? columnNameInput.value.trim() : '';
if (!name) {
alert("Please add a name");
return;
}
table.addColumn({title: name, field: name.toLowerCase(), editableTitle: true, editor: true});
columnNameInput.value = '';
});
addRowButton.addEventListener('click', () => {
table.addRow({});
});
submitFormButton.addEventListener('click', () => {
const data = table.getData();
fetch('/create', {
method: 'POST',
body: JSON.stringify({
data
}),
headers: {
'Content-Type': 'application/json'
}
})
.then((response) => response.blob())
.then((blob) => {
const fileURL = URL.createObjectURL(blob)
const a = document.createElement('a')
a.href = fileURL
a.download = "file.csv"
a.click()
})
.catch((e) => {
console.error(e)
alert(e.message)
})
})
</script>
</body>
</html>$ npm i -s csv-parser
$ npm i -s csv-parse