MaxInterview - multer

showing results for - "multer"

27 Aug 2018

1// Installation
2// npm install --save multer
3
4// Usage
5var express = require('express')
6var multer  = require('multer')
7var upload = multer({ dest: 'uploads/' })
8 
9var app = express()
10 
11app.post('/profile', upload.single('avatar'), function (req, res, next) {
12  // req.file is the `avatar` file
13  // req.body will hold the text fields, if there were any
14})
15 
16app.post('/photos/upload', upload.array('photos', 12), function (req, res, next) {
17  // req.files is array of `photos` files
18  // req.body will contain the text fields, if there were any
19})
20 
21var cpUpload = upload.fields([{ name: 'avatar', maxCount: 1 }, { name: 'gallery', maxCount: 8 }])
22app.post('/cool-profile', cpUpload, function (req, res, next) {
23  // req.files is an object (String -> Array) where fieldname is the key, and the value is array of files
24  //
25  // e.g.
26  //  req.files['avatar'][0] -> File
27  //  req.files['gallery'] -> Array
28  //
29  // req.body will contain the text fields, if there were any
30})

source

Pedro

24 Apr 2018

1import multer from 'multer'
2import path from 'path'
3
4const storage = multer.diskStorage({
5  destination(req, file, cb) {
6    cb(null, 'uploads/')
7  },
8  filename(req, file, cb) {
9    cb(
10      null,
11      `${file.fieldname}-${Date.now()}${path.extname(file.originalname)}`
12    )
13  },
14})
15
16function checkFileType(file, cb) {
17  const filetypes = /jpg|jpeg|png/ // Choose Types you want...
18  const extname = filetypes.test(path.extname(file.originalname).toLowerCase())
19  const mimetype = filetypes.test(file.mimetype)
20
21  if (extname && mimetype) {
22    return cb(null, true)
23  } else {
24    cb('Images only!') // custom this message to fit your needs
25  }
26}
27
28const upload = multer({
29  storage,
30  fileFilter: function (req, file, cb) {
31    checkFileType(file, cb)
32  },
33})
34
35app.post('/', upload.single('image'), (req, res) => {
36  res.send(`/${req.file.path}`)
37})
38

source

Antonio

17 Jul 2016

1$ npm install --save multer
2
3var express = require("express");
4var multer = require('multer');
5var upload = multer({dest:'uploads/'});

source

Milan

20 May 2017

1const multer = require('multer')
2const { resolve } = require('path')
3const { existsSync, unlink } = require('fs')
4
5const diskStorage = multer.diskStorage({
6	destination: (req, file, done) => {
7		if (!file) return done(new Error('Upload file error'), null)
8
9		const fileExits = existsSync(resolve(process.cwd(), `src/images/${file.originalname}`))
10		if (!fileExits) return done(null, resolve(process.cwd(), 'src/images'))
11
12		unlink(resolve(process.cwd(), `src/images/${file.originalname}`), (error) => {
13			if (error) return done(error)
14			return done(null, resolve(process.cwd(), 'src/images'))
15		})
16	},
17	filename: (req, file, done) => {
18		if (file) {
19			const extFile = file.originalname.replace('.', '')
20			const extPattern = /(jpg|jpeg|png|gif|svg)/gi.test(extFile)
21			if (!extPattern) return done(new TypeError('File format is not valid'), null)
22			req.photo = file.originalname
23			return done(null, file.originalname)
24		}
25	}
26})
27
28const fileUpload = multer({ storage: diskStorage, limits: 1000000 })
29
30module.exports = { fileUpload }

Violette

16 May 2017

1var express = require('express')var app = express()var multer  = require('multer')var upload = multer() app.post('/profile', upload.none(), function (req, res, next) {  // req.body contains the text fields})

Matías

19 Jul 2017

1var 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})

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