forked from sheetjs/sheetjs
55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
|
|
/* eslint-env node */
|
|
/* global Promise */
|
|
const XLSX = require('xlsx');
|
|
const assert = require('assert');
|
|
const MongoClient = require('mongodb').MongoClient;
|
|
|
|
const url = 'mongodb://localhost:27017/sheetjs';
|
|
const db_name = 'sheetjs';
|
|
|
|
/* make new workbook object from CSV */
|
|
const wb = XLSX.read('a,b,c\n1,2,3', {type:"binary", raw:true});
|
|
|
|
let P = Promise.resolve("sheetjs");
|
|
|
|
/* Connect to mongodb server and initialize collection */
|
|
P = P.then(async () => {
|
|
const client = await MongoClient.connect(url,{ useUnifiedTopology: true });
|
|
const db = client.db(db_name);
|
|
try { await db.collection('wb').drop(); } catch(e) {}
|
|
const coll = db.collection('wb');
|
|
return [client, coll];
|
|
});
|
|
|
|
/* Insert entire workbook object as a document */
|
|
P = P.then(async ([client, coll]) => {
|
|
const res = await coll.insertOne(wb);
|
|
assert.equal(res.insertedCount, 1);
|
|
return [client, coll];
|
|
});
|
|
|
|
/* Change cell A1 of Sheet1 to "J" and change A2 to 5 */
|
|
P = P.then(async ([client, coll]) => {
|
|
const res = await coll.updateOne({}, { $set: {
|
|
"Sheets.Sheet1.A1": {"t": "s", "v": "J"},
|
|
"Sheets.Sheet1.A2": {"t": "n", "v": 5},
|
|
}});
|
|
assert.equal(res.matchedCount, 1);
|
|
assert.equal(res.modifiedCount, 1);
|
|
return [client, coll];
|
|
});
|
|
|
|
/* Write to file */
|
|
P = P.then(async ([client, coll]) => {
|
|
const res = await coll.find({}).toArray();
|
|
const wb = res[0];
|
|
XLSX.writeFile(wb, "mongo.xlsx");
|
|
const ws = XLSX.readFile("mongo.xlsx").Sheets.Sheet1;
|
|
console.log(XLSX.utils.sheet_to_csv(ws));
|
|
return [client, coll];
|
|
});
|
|
|
|
/* Close connection */
|
|
P.then(async ([client]) => { client.close(); });
|