This function takes an array of objects as input and returns a CSV string. The keys of the first object in the input array are assumed to be the header row. If any object in the array has extra properties than others, the CSV will adjust accordingly. The updated function checks each cell value for commas, quotes, or newlines and wraps it in doub…

ConvertArrayOfObjectsToCSV.js

function convertArrayOfObjectsToCSV(data) {
    const arrayCopy = [...data];
    const header = Object.keys(arrayCopy[0]);
    const csv = [
        header.join(','),
        ...arrayCopy.map((row) => {
            return header.map((fieldName) => {
                let cellValue = row[fieldName] !== undefined ? row[fieldName] : '';
                if (typeof cellValue === 'string') {
                    cellValue = cellValue.replace(/"/g, '""');
                    if (cellValue.search(/("|,|\n)/g) >= 0) {
                        cellValue = `"${cellValue}"`;
                    }
                }
                return cellValue;
            }).join(',');
        }),
    ].join('\n');
    return csv;
}