JSON Array to CSV

component.ts

import { saveAs } from "file-saver";
import * as converter from "json-2-csv";

converter.json2csv(this.items, (err, csv) => {
            if (!err) {
                const blob = new Blob([csv], { type: "text/csv;charset=utf-8;" });
                saveAs(blob, "export.csv");
            } else {
                console.log("Error converting data to CSV.");
            }
        });
    }