59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
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/* eslint-env node */
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const XLSX = require('xlsx');
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const assert = require('assert');
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const Firebase = require('firebase-admin');
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const config = {
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credential: {
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getAccessToken: () => ({
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expires_in: 0,
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access_token: '',
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}),
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},
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databaseURL: 'ws://localhost:5555'
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};
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/* make new workbook object from CSV */
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const wb = XLSX.read('a,b,c\n1,2,3', {type:"binary", raw:true});
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let P = Promise.resolve("sheetjs");
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/* Connect to Firebase server and initialize collection */
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P = P.then(async () => {
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Firebase.initializeApp(config);
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const database = Firebase.database();
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await database.ref('foo').set(null);
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return [database];
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});
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/* Insert entire workbook object into `foo` ref */
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P = P.then(async ([database]) => {
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await database.ref('foo').set(wb);
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return [database];
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});
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/* Change cell A1 of Sheet1 to "J" and change A2 to 5 */
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P = P.then(async ([database]) => {
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database.ref('foo').update({
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"Sheets/Sheet1/A1": {"t": "s", "v": "J"},
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"Sheets/Sheet1/A2": {"t": "n", "v": 5},
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});
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return [database];
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});
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/* Write to file */
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P = P.then(async ([database]) => {
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const val = await database.ref('foo').once('value');
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const wb = await val.val();
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XLSX.writeFile(wb, "firebase.xlsx");
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const ws = XLSX.readFile("firebase.xlsx").Sheets.Sheet1;
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const csv = XLSX.utils.sheet_to_csv(ws);
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assert.equal(csv, "J,b,c\n5,2,3\n");
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console.log(csv);
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return [database];
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});
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/* Close connection */
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P = P.then(async ([database]) => { database.app.delete(); });
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