Function preformatBody

docs/app/js/sanddance-app.js:109298–109304

(rows, columns)

        return rows;
    }
    function preformatBody(rows, columns) {
        return rows.map(function(row) {
            return columns.map(function(column) {
                return formatValue(row[column]);
            }).join(delimiter);
        });
    }
    function format(rows, columns) {
        if (columns == null) columns = inferColumns(rows);
        return [