multer

// Installation
// npm install --save multer

// Usage
var express = require('express')
var multer  = require('multer')
var upload = multer({ dest: 'uploads/' })
 
var app = express()
 
app.post('/profile', upload.single('avatar'), function (req, res, next) {
  // req.file is the `avatar` file
  // req.body will hold the text fields, if there were any
})
 
app.post('/photos/upload', upload.array('photos', 12), function (req, res, next) {
  // req.files is array of `photos` files
  // req.body will contain the text fields, if there were any
})
 
var cpUpload = upload.fields([{ name: 'avatar', maxCount: 1 }, { name: 'gallery', maxCount: 8 }])
app.post('/cool-profile', cpUpload, function (req, res, next) {
  // req.files is an object (String -> Array) where fieldname is the key, and the value is array of files
  //
  // e.g.
  //  req.files['avatar'][0] -> File
  //  req.files['gallery'] -> Array
  //
  // req.body will contain the text fields, if there were any
})

View another examples Add Own solution

Lu castillo 80 points

                                    var multer = require('multer');
var upload = multer({dest:'uploads/'});

Thank you! 8

Smartcaveman 95 points

                                    var&nbsp;express&nbsp;=&nbsp;require('express')var&nbsp;app&nbsp;=&nbsp;express()var&nbsp;multer&nbsp;&nbsp;=&nbsp;require('multer')var&nbsp;upload&nbsp;=&nbsp;multer()&nbsp;app.post('/profile',&nbsp;upload.none(),&nbsp;function&nbsp;(req,&nbsp;res,&nbsp;next)&nbsp;{&nbsp;&nbsp;//&nbsp;req.body&nbsp;contains&nbsp;the&nbsp;text&nbsp;fields})

Thank you! 2

5 (2 Votes)

Ben Burns 105 points

                                    var&nbsp;express&nbsp;=&nbsp;require('express')var&nbsp;multer&nbsp;&nbsp;=&nbsp;require('multer')var&nbsp;upload&nbsp;=&nbsp;multer({&nbsp;dest:&nbsp;'uploads/'&nbsp;})&nbsp;var&nbsp;app&nbsp;=&nbsp;express()&nbsp;app.post('/profile',&nbsp;upload.single('avatar'),&nbsp;function&nbsp;(req,&nbsp;res,&nbsp;next)&nbsp;{&nbsp;&nbsp;//&nbsp;req.file&nbsp;is&nbsp;the&nbsp;`avatar`&nbsp;file&nbsp;&nbsp;//&nbsp;req.body&nbsp;will&nbsp;hold&nbsp;the&nbsp;text&nbsp;fields,&nbsp;if&nbsp;there&nbsp;were&nbsp;any})&nbsp;app.post('/photos/upload',&nbsp;upload.array('photos',&nbsp;12),&nbsp;function&nbsp;(req,&nbsp;res,&nbsp;next)&nbsp;{&nbsp;&nbsp;//&nbsp;req.files&nbsp;is&nbsp;array&nbsp;of&nbsp;`photos`&nbsp;files&nbsp;&nbsp;//&nbsp;req.body&nbsp;will&nbsp;contain&nbsp;the&nbsp;text&nbsp;fields,&nbsp;if&nbsp;there&nbsp;were&nbsp;any})&nbsp;var&nbsp;cpUpload&nbsp;=&nbsp;upload.fields([{&nbsp;name:&nbsp;'avatar',&nbsp;maxCount:&nbsp;1&nbsp;},&nbsp;{&nbsp;name:&nbsp;'gallery',&nbsp;maxCount:&nbsp;8&nbsp;}])app.post('/cool-profile',&nbsp;cpUpload,&nbsp;function&nbsp;(req,&nbsp;res,&nbsp;next)&nbsp;{&nbsp;&nbsp;//&nbsp;req.files&nbsp;is&nbsp;an&nbsp;object&nbsp;(String&nbsp;-&gt;&nbsp;Array)&nbsp;where&nbsp;fieldname&nbsp;is&nbsp;the&nbsp;key,&nbsp;and&nbsp;the&nbsp;value&nbsp;is&nbsp;array&nbsp;of&nbsp;files&nbsp;&nbsp;//&nbsp;&nbsp;//&nbsp;e.g.&nbsp;&nbsp;//&nbsp;&nbsp;req.files['avatar'][0]&nbsp;-&gt;&nbsp;File&nbsp;&nbsp;//&nbsp;&nbsp;req.files['gallery']&nbsp;-&gt;&nbsp;Array&nbsp;&nbsp;//&nbsp;&nbsp;//&nbsp;req.body&nbsp;will&nbsp;contain&nbsp;the&nbsp;text&nbsp;fields,&nbsp;if&nbsp;there&nbsp;were&nbsp;any})

Thank you! 2

5 (2 Votes)

4.11

Soumee 80 points

                                    const multer = require('multer')
const { resolve } = require('path')
const { existsSync, unlink } = require('fs')

const diskStorage = multer.diskStorage({
	destination: (req, file, done) =&gt; {
		if (!file) return done(new Error('Upload file error'), null)

		const fileExits = existsSync(resolve(process.cwd(), `src/images/${file.originalname}`))
		if (!fileExits) return done(null, resolve(process.cwd(), 'src/images'))

		unlink(resolve(process.cwd(), `src/images/${file.originalname}`), (error) =&gt; {
			if (error) return done(error)
			return done(null, resolve(process.cwd(), 'src/images'))
		})
	},
	filename: (req, file, done) =&gt; {
		if (file) {
			const extFile = file.originalname.replace('.', '')
			const extPattern = /(jpg|jpeg|png|gif|svg)/gi.test(extFile)
			if (!extPattern) return done(new TypeError('File format is not valid'), null)
			req.photo = file.originalname
			return done(null, file.originalname)
		}
	}
})

const fileUpload = multer({ storage: diskStorage, limits: 1000000 })

module.exports = { fileUpload }

Thank you! 9

4.11 (9 Votes)

Olotto Muf Dyvar 110 points

                                    $ npm install --save multer

var express = require(&quot;express&quot;);
var multer = require('multer');
var upload = multer({dest:'uploads/'});

Thank you! 4

3 (4 Votes)

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