Hack to read NPM modules from a Maven repository
npm install npmmvn
|3||downloads in the last week|
|7||downloads in the last month|
|Version||0.1.0 last updated 8 months ago|
|Keywords||npm, maven, package|
|Dependencies (7)||q, lodash, tar, temp, fstream, mkdirp, npm|
Hack to persist Node modules to a Maven repository, and then read them back
later. Our use-case is a Jenkins server that has no public internet access, but
that needs to run Grunt-based front-end builds. The common alternative of just
node_modules into source control wasn't acceptable, since we found
ourselves duplicating hundreds of megabytes of modules across many
To get started, add an extra entry to your
`npm install -g npmmvn`
This tool provides two commands:
You want to do this before you commit a change which requires new or updated NPM packages.
Recursively deploys every module found in
node_modules as a Maven artifact
node_modules, artifactId and version taken from each module's
package.json. Skips modules which already exist in the repository. Writes a
.npmmvn.json file which records this structure, and which should be committed
to source control.
You want to do this as part of your CI build (and also when you first check out
a repository, though I'd probably prefer to just do
npm install in that
npmmvn.json file and downloads and extracts every referenced
package which doesn't currently exist locally into the
directory. The result is the same nested dependency structure as the original.
npm rebuild to install .bin links etc.
We're currently pretty dumb about already-installed packages. We never remove or upgrade existing modules. So, restore into an empty
node_modulesto ensure correct behaviour.
We look at the installed contents of
node_modules- we don't check that they match
packages.jsonor that they are in any way clean. In particular, this will bite if you need native code modules to work on multiple platforms.
Npm rebuild scripts for some modules do their own downloads. Npmmvn currently doesn't help with that. The easiest option is to hack the module to download from somewhere accessible before deploying.
Copyright (c) 2013 Jamie Webb
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