docs.sheetjs.com/docz/static/mongodb/SheetJSMongoCRUD.mjs

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2023-08-20 20:39:35 +00:00
import { writeFile, set_fs, utils } from 'xlsx';
import * as fs from 'fs'; set_fs(fs);
import { MongoClient } from 'mongodb';
const url = 'mongodb://localhost:27017/sheetjs';
const db_name = 'sheetjs';
/* Connect to mongodb server */
const client = await MongoClient.connect(url, { useUnifiedTopology: true });
/* Sample data table */
const db = client.db(db_name);
try { await db.collection('pres').drop(); } catch(e) {}
const pres = db.collection('pres');
await pres.insertMany([
{ name: "Barack Obama", idx: 44 },
{ name: "Donald Trump", idx: 45 },
{ name: "Joseph Biden", idx: 46 }
], {ordered: true});
/* Create worksheet from collection */
const aoo = await pres.find({}, {projection:{_id:0}}).toArray();
const ws = utils.json_to_sheet(aoo);
/* Export to XLSX */
const wb = utils.book_new();
utils.book_append_sheet(wb, ws, "Presidents");
writeFile(wb, "SheetJSMongoCRUD.xlsx");
/* Close connection */
client.close();