Bring sanity to npm 2's shrinkwrap. Makes "npm shrinkwrap" deterministic. Similar but simpler than Uber's npm-shrinkwrap. From https://github.com/metabase/metabase/blob/master/bin/clean-shrinkwrap

clean-shrinkwrap.js

#!/usr/bin/env node

var fs = require('fs');

function clean(module) {

    // remove module.from
    delete module.from;

    // remove module.resolved unless it points to a git repo
    if (module.resolved && module.resolved.indexOf("https://registry.npmjs.org/") === 0) {
        delete module.resolved;
    }

    // sort module.dependencies keys, and recursively clean them
    if (module.dependencies) {
        module.dependencies = Object.keys(module.dependencies).sort().reduce(function(deps, name) {
            deps[name] = clean(module.dependencies[name]);
            return deps;
        }, {});
    }

    return module;
}

var path = require('path').join(__dirname, '..', 'npm-shrinkwrap.json');

fs.writeFileSync(path, JSON.stringify(clean(JSON.parse(fs.readFileSync(path))), null, 2) + "\n");

package.json

{
  ...
  "scripts": {
    "shrinkwrap": "npm prune && npm shrinkwrap --dev && ./bin/clean-shrinkwrap.js"
  }
}