This is how you can find the path of the script file running on Node.js

Node.js tips in 5 minutes or less pt. 5

I have found that when writing Node.js scripts or applications, there are some cases that I find, that it is necessary to find the absolute path of the current running script.

Node.js scripts or even applications are essentially just a JavaScript file that is positioned somewhere in the hard drive. Even if the script has multiple files, at a time, any statement is being run from within a single JavaScript file only.

This poses a problem, the absolute path is always changing depending on the path of the file whose script is currently being run.

Let’s imagine a scenario where there are two files. index.js with the code:

And inside lib/scripts.js :

Even though the scripts originate from the same file index.js , the current path is different.

Well, there are several cases.

When uploading files to the backend written in Node.js, you need to find the path to which you want your file(s) stored.

The line var newpath = 'C:/Users/Your Name/' + files.filetoupload.name; can be improved, as we will see in the later section.

When writing data or information to a file you may also find the need to have the absolute path that will augment with the file name in order to write the data.

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