csv-dump.mjs


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export default class {
    constructor(rows) {
        this.rows = rows;
    }

    download() {
        // XXX: should escape various things, but the quick-n-dirty
        // calls.
        const data = 'sequence 1,sequence 2,identity\r\n' + this.rows.map(row => row.join(',')).join('\r\n');
        const file = new Blob([data], { type: 'text/csv' })
        let a = document.createElement('a');
        const url = URL.createObjectURL(file);
        a.href = url;
        a.download = 'filename.csv';
        document.body.appendChild(a);
        a.click();
        setTimeout(_ => {
            document.body.removeChild(a);
            URL.revokeObjectURL(url);
        }, 0);
    }
}