Is there an option in npm (or other tool) to print all used licenses? I have a project and I want to make sure I don't use a library which is under a license I can't use.
EDIT: Found out that many developers don't include the license in the package.json, so I had to find out manually using "npm docs package-name"
cd {project}/node_modules
ls | sed 's/$/\/package.json/' | xargs grep '"license[s]*"' -A 3
Could use some improvement, but it works (at least on osx, should work on linux, no idea about windows). You should see something like:
grunt/package.json: "licenses": [
grunt/package.json- {
grunt/package.json- "type": "MIT",
grunt/package.json- "url": "http://github.com/gruntjs/grunt/blob/master/LICENSE-MIT"
--
grunt-contrib-concat/package.json: "licenses": [
grunt-contrib-concat/package.json- {
grunt-contrib-concat/package.json- "type": "MIT",
grunt-contrib-concat/package.json- "url": "https://github.com/gruntjs/grunt-contrib-concat/blob/master/LICENSE-MIT"
--
Update:
If you wish to see the name of all modules, even those nested inside other modules, the following works (cred to @robertklep, slightly modified to still work when inside the node_modules directory):
find * -name package.json | xargs grep '"license[s]*"' -A 3