How to use the @fast-csv/format.writeToString function in @fast-csv/format
To help you get started, we’ve selected a few @fast-csv/format examples, based on popular ways it is used in public projects.
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C2FO / fast-csv / examples / formatting-js / examples / write_to_string_no_headers.example.js View on Github 
const csv = require('@fast-csv/format');
const data = [
{ a: 'a1', b: 'b1' },
{ a: 'a2', b: 'b2' },
];
csv.writeToString(data, { headers: false })
.then(formattedCsv => {
console.log(formattedCsv);
process.exit();
})
.catch(err => {
console.error(err.stack);
process.exit(1);
});
// Output:
// a1,b1
// a2,b2const csv = require('@fast-csv/format');
const rows = [
['a', 'b'],
['a1', 'b1'],
['a2', 'b2'],
];
csv.writeToString(rows).then(data => console.log(data));
// Output:
// a,b
// a1,b1
// a2,b2const csv = require('@fast-csv/format');
const data = [
{ a: 'a1', b: 'b1' },
{ a: 'a2', b: 'b2' },
];
const transform = row => ({
A: row.a,
B: row.b,
});
csv.writeToString(data, { headers: true, transform })
.then(formattedCsv => console.log(formattedCsv))
.catch(err => console.error(err.stack));
// Output:
// A,B
// a1,b1
// a2,b2
