multer-zip

Promise based multer file upload zipping utility

Example

1const path = require("path");
2
3const express = require("express");
4const zipper = require("multer-zip").default;
5const multer = require("multer");
6const upload = multer(/* ... multer opts ... */);
7const app = express();
8
9// ... app definitions
10
11app.post("/", upload.array("documents", 5), (req, res) => {
12	const { files } = req;
13	const dest = path.join(__dirname, "uploads");
14	const zipname = `files_${Math.random()}.zip`;
15	const filenamer = ({ originalname }) => `${new Date().getTime()}_${originalname}`;
16	zipper({ files, dest, zipname, filenamer })
17		.then(() => {
18			console.log("successfully zipped files");
19		})
20		.catch(error => {
21			console.log(error);
22		});
23
24	res.send("zipping...");
25});
26
27app.post("/streamable", upload.array("documents", 5), (req, res) => {
28	const { files } = req;
29	const filenamer = ({ originalname }) => `${new Date().getTime()}_${originalname}`;
30	zipper({ files, dest: res, filenamer })
31		.then(() => {
32			console.log("successfully zipped files");
33		})
34		.catch(error => {
35			console.log(error);
36		});
37});
38
39const PORT = process.env.PORT || 3000;
40app.listen(PORT => console.log(`listening on port ${PORT}`));

Options

Key	Description	Note
files	Multer files array	*Must contain buffers
dest	Destination of zipped files or stream.Writable
zipname	Name of zipped files
filenamer	Optional function to change name of file