How to upload Files in NodeJS (single & multiple with other checks)

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In this video you will learn how to #upload #files to a #nodejs #express application

Topics covers:
1. Single file upload
2. Multi file upload
3. Limiting file-size to be uploaded
4. Supporting mimetypes
5. Using temporary path, instead of memory
6. Creating directories dynamically

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You are the best teacher ever. You not only showed how to upload files but cleared many of my misconceptions. Thanks a lot

billypentester

Thanks a lot for explaining each and every line with their uses. I was really stuck in adding this functionality but your video helped me. Big thanks !

JavedShaikh-hnbg

Very Detailed and Crisp Video ... Thank you for this video.

arunkutz

Thank you.
🙏🙏🙏
Your explanation was as usual awesome

saikumar-ehdf

This is very clean and clear..thank you

naveenpisher

Just wanna say u r awesome 🤗 please continue to give ur contribution like this only

sidharthbhunia

A nice rundown of everything, thanks for sharing! Do you have a video on how to handle post-processing of the uploaded graphics (such as cropping, resizing to a square)?

aram

Thanks a million!

Summary of the error handling in case of multiple files upload:

- We can use try...catch for synchronous code only.
but since the file.mv() function is async function, then it will return a promise, and this promise if rejected, it should be caught inside the forEach(async (file) => {

}) itself.

So that's why we decided to store all returned promises of file.mv() inside an array called promises[ ], then execute them outside the forEach() context.

await Promise.all(promises); //execute the stored promises.

This makes the code cleaner and ensures that any expected error while uploading the files will be caught.

Am I right?

faris.abuali

Sir, can we make video player app like MxPlayer. Show video folder by folder in recyclerView.

rupeshmandal

Sir I have a doubt does it can handle multiple large files
Please this work that could help me in my career also

-C-ARBHARADWAJ

@yours truly
Thank you very much 🙏
How to handle big file upload like 100MB or more in Nodejs .
Do we need to use Websocket or any other strategy or any other package ??
Please can you help in this ?

kamleshshete

for single file upload, i am getting undefined in req.files although i had already used fileupload() with route.Please suggest something to get req.files object

reyansh_vlogg