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express multer example

Lionel Aguero 
var multer = require('multer')
var upload = multer().single('avatar')

app.post('/profile', function (req, res) {
  upload(req, res, function (err) {
    if (err instanceof multer.MulterError) {
      // A Multer error occurred when uploading.
    } else if (err) {
      // An unknown error occurred when uploading.
    }

    // Everything went fine.
  })
})
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4.1
11
Lionel Aguero 33605 points 

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

4.1 (10 Votes)
0
3.5
4
Phoenix Logan 186120 points 

                                    $ npm install --save multer file upload node

3.5 (4 Votes)
0
3.5
2
Phoenix Logan 186120 points 

                                    const multer = require('multer')
const { extname, resolve } = require('path')

const diskStorage = multer.diskStorage({
	destination: (req, file, done) => {
		if (!file) return done(new Error('Upload file error'), null)
		return done(null, resolve(process.cwd(), 'src/images'))
	},
	filename: (req, file, done) => {
		if (file) {
			const imagePattern = /(jpg|jpeg|png|gif|svg)/gi
			const mathExt = extname(file.originalname).replace('.', '')

			if (!imagePattern.test(mathExt)) {
				return new TypeError('File format is not valid')
			}

			req.file = file.originalname
			return done(null, file.originalname)
		}
	}
})

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

module.exports = { fileUpload }

3.5 (2 Votes)
0
0
0
A-312 69370 points 

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

const diskStorage = multer.diskStorage({
	destination: (req, file, done) => {
		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) => {
			if (error) return done(error)
			return done(null, resolve(process.cwd(), 'src/images'))
		})
	},
	filename: (req, file, done) => {
		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 }

0
0
4.38
8
Awgiedawgie 440220 points 

                                    $ npm install --save multer

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

4.38 (8 Votes)
0
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