chore(npm): add shrinkwrap to our project

tools/npm/clean-shrinkwrap.js

@@ -0,0 +1,38 @@
+#!/usr/bin/env node
+
+/**
+ * this script is just a temporary solution to deal with the issue of npm outputting the npm
+ * shrinkwrap file in an unstable manner.
+ *
+ * See: https://github.com/npm/npm/issues/3581
+ */
+
+var _ = require('lodash');
+var sorted = require('sorted-object');
+var fs = require('fs');
+var path = require('path');
+
+
+function cleanModule(moduleRecord, name) {
+
+  // keep `resolve` properties for git dependencies, delete otherwise
+  delete moduleRecord.from;
+  if (!(moduleRecord.resolved && moduleRecord.resolved.match(/^git(\+[a-z]+)?:\/\//))) {
+    delete moduleRecord.resolved;
+  }
+
+  _.forEach(moduleRecord.dependencies, function(mod, name) {
+    cleanModule(mod, name);
+  });
+}
+
+
+console.log('Reading npm-shrinkwrap.json');
+var shrinkwrap = require('../../npm-shrinkwrap.json');
+
+console.log('Cleaning shrinkwrap object');
+cleanModule(shrinkwrap, shrinkwrap.name);
+
+var cleanShrinkwrapPath = path.join(__dirname, '..', '..', 'npm-shrinkwrap.clean.json');
+console.log('Writing cleaned to', cleanShrinkwrapPath);
+fs.writeFileSync(cleanShrinkwrapPath, JSON.stringify(sorted(shrinkwrap), null, 2) + "\n");