Writes [object Object] to csv file using fast-csv

Question

I´m using fast-csv to export some data from a DB to a CSV file.

When I use the code from the example in the docs :

        var csvStream = csv.createWriteStream({headers:true}),
        writableStream = fs.createWriteStream('./csv/list.csv');

        writableStream.on('finish', function(){
            console.log('DONE!');
        });

        csvStream.pipe(writableStream);
        csvStream.write(
            [
                {
                    a: "a1",
                    b: "b1",
                    c: "c1"
                }
            ]
        );
        csvStream.end();

        res.send('export done!')

my csv file have one entry [object Object]

robertklep · Accepted Answer · 2016-05-26 10:20:39Z

2

It looks like csvStream.write() will only accept object arguments:

csvStream.write({
  a: "a1",
  b: "b1",
  c: "c1"
});

If you want to write arrays, you should use csv.write() or csv.writeToStream() (documented here, search for "Writing data" as I can't link to it directly).

answered May 26, 2016 at 10:20

robertklep

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