forked from sheetjs/sheetjs
SheetJS
08bb7e6e60
- `writeFile` support chrome extension (fixes #1051 h/t @atkinsam) - demo refresh
90 lines
2.1 KiB
HTML
90 lines
2.1 KiB
HTML
<!DOCTYPE html>
|
|
<!-- xlsx.js (C) 2013-present SheetJS http://sheetjs.com -->
|
|
<!-- vim: set ts=2: -->
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
|
|
<title>SheetJS Firebase Dump Demo</title>
|
|
<style>
|
|
a { text-decoration: none }
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<pre>
|
|
<h3><a href="//sheetjs.com/">SheetJS</a> Firebase Dump Demo</h3>
|
|
<b>Example Code</b>
|
|
|
|
/* ... connect to firebase */
|
|
const database = firebase.database();
|
|
|
|
/* import workbook */
|
|
await database.ref('foo').set(workbook);
|
|
|
|
/* change cells */
|
|
database.ref('foo').update({
|
|
"Sheets/Sheet1/A1": {"t": "s", "v": "J"},
|
|
"Sheets/Sheet1/A2": {"t": "n", "v": 5},
|
|
});
|
|
|
|
/* export snapshot */
|
|
const val = await database.ref('foo').once('value').val();
|
|
XLSX.writeFile(wb, "firebase.xlsx");
|
|
|
|
</pre>
|
|
<script src="xlsx.full.min.js"></script>
|
|
<script src="https://www.gstatic.com/firebasejs/4.12.0/firebase.js"></script>
|
|
<script>
|
|
const Firebase = firebase;
|
|
const config = {
|
|
credential: {
|
|
getAccessToken: () => ({
|
|
expires_in: 0,
|
|
access_token: '',
|
|
}),
|
|
},
|
|
databaseURL: 'ws://localhost:5555'
|
|
};
|
|
|
|
/* make new workbook object from CSV */
|
|
const wb = XLSX.read('a,b,c\n1,2,3', {type:"binary"});
|
|
|
|
let P = Promise.resolve("sheetjs");
|
|
|
|
/* Connect to Firebase server and initialize collection */
|
|
P = P.then(async () => {
|
|
Firebase.initializeApp(config);
|
|
const database = Firebase.database();
|
|
await database.ref('foo').set(null);
|
|
return [database];
|
|
});
|
|
|
|
/* Insert entire workbook object into `foo` ref */
|
|
P = P.then(async ([database]) => {
|
|
await database.ref('foo').set(wb);
|
|
return [database];
|
|
});
|
|
|
|
/* Change cell A1 of Sheet1 to "J" and change A2 to 5 */
|
|
P = P.then(async ([database]) => {
|
|
database.ref('foo').update({
|
|
"Sheets/Sheet1/A1": {"t": "s", "v": "J"},
|
|
"Sheets/Sheet1/A2": {"t": "n", "v": 5},
|
|
});
|
|
return [database];
|
|
});
|
|
|
|
/* Write to file */
|
|
P = P.then(async ([database]) => {
|
|
const val = await database.ref('foo').once('value');
|
|
const wb = await val.val();
|
|
XLSX.writeFile(wb, "firebase.xlsx");
|
|
console.log(csv);
|
|
return [database];
|
|
});
|
|
|
|
/* Close connection */
|
|
P = P.then(async ([database]) => { database.app.delete(); });
|
|
|
|
</script>
|
|
</body>
|