Nodejs reponse download file

Edit: Thanks to Augusto Roman for pointing out that cb should be passed to file. Speaking of handling errors, it's even better listening to request errors too. I'd even validate by checking response code. Here it's considered success only for response code, but other codes might be good. Despite the relative simplicity of this code, I would advise to use the request module as it handles many more protocols hello HTTPS! Otherwise, immediate uses of the file may fail very rarely!

Without scheduling the cb callback via close, you may get a race between accessing the file and the file actually being ready. Maybe node. Don't make file when you get an error, and prefere to use timeout to close your request after X secondes. From my answer to "What's the difference between.

Modern version ES6, Promise, Node I decided do not use 3rd party libraries due to it can be easy done with standard Node. Kudo to Andrey Tkachenko for his gist which I modified. I saw answers using the http , https , and request modules. I'd like to add one using yet another native NodeJS module that supports either the http or https protocol:.

The following was the test I wrote to try it out, which worked as intended:. It's typed, it's safer. Here's yet another way to handle it without 3rd party dependency and also searching for redirects:. You can try using res. I've found this approach to be the most helpful especially when it comes to pdfs and random other files. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How to download a file with Node. Ask Question. Asked 9 years, 3 months ago. Active 2 months ago. Viewed k times. How do I download a file with Node. Improve this question. Joseph is making an incorrect assertion that all node processes are server processes — lededje.

It is prefectly doable. Add a comment. Active Oldest Votes. Improve this answer. Michelle Tilley Michelle Tilley k 39 39 gold badges silver badges bronze badges. I got the following console output when I ran this script: node. Does this code close the file properly when the script ends or would it lose data? This depends upon the req url type if you are requesting https you must use https otherwise it will throw error. EthanKeiley why do you say that it isn't closed properly?

By default createWriteStream will set autoClose to true and readable. Each time you execute the script, pass the required url and path arguments from the command-line. The example below will download the image from the first argument as save it as image.

Sometimes, you may need to download multiple files and save them into your system. The download package allows you to download multiple images and save them under a folder as shown below:. The code above saves both default. Check out download NPM page for more information. Example 2.

Conclusion 4. References Was this post helpful? Was this post helpful? Let us know if you liked the post. Yes No Tags: file-download , nodejs.

Java Developer Zone. JavaDeveloperZone is a group of innovative software developers. Feel free to ask any questions and suggestions. Always have space for improvement! Related Posts: — Node. Download Excel file instead: Node. Open command prompt, change current directory to the root folder of our project. In the src folder, we create a separate config folder for configuration with db. First five parameters are for MySQL connection. Now look at the download function: — First we use Sequelize Model findAll method to return all Tutorials stored in the tutorials table.

When a client sends request for an endpoint using HTTP request GET excel file , we need to determine how the server will response by setting up the routes.