Easily print current package version in node.js

Question

Easily print current package version in node.js

I have a node.js project to run on browser, so I have a Makefile with a few tasks that bundle everything in a single file (with browserify) and then minify it (uglify-js). I decided to use a Makefile instead of Grunt or others because it's simple and solve my problem.

The generated files are mylib.js and mylib.min.js, but I want something like mylib.1.0.1.js, where the version comes from my package.json.

I need a npm command to tell me what version is described inside package.json, but I didn't found any on the docs. Anyone knows how to get it?

javascript
node.js
npm

Answer 1

node -e 'console.log(require("./package").version)'

or

npm --loglevel error list mylib | head -1 | cut -d " " -f 1 | cut -d @ -f 2

Answer 2

If you want to grab the version of a dependency, the command:

npm list | grep 'mylib' | awk '{print $2}' | cut -d @ -f 2

will return the string "1.0.1"

EDIT based on Peter's answer, it seems that this would do also:

node -e 'console.log(require("./package.json").dependencies.mylib)'