chore(npm): clean up clean-shrinkwrap script

Author: alfaproject

tools/npm/clean-shrinkwrap.js

@@ -14,29 +14,30 @@
  * See: https://github.com/npm/npm/issues/3581
  */
 
-var _ = require('lodash');
-var sorted = require('sorted-object');
-var fs = require('fs');
-var path = require('path');
+const fs = require('fs');
+const path = require('path');
 
 
-function cleanModule(moduleRecord, name) {
+function cleanModule(moduleRecord) {
   // 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); });
+  if (moduleRecord.dependencies) {
+    Object.keys(moduleRecord.dependencies)
+        .forEach((name) => cleanModule(moduleRecord.dependencies[name]));
+  }
 }
 
 
 // console.log('Reading npm-shrinkwrap.json');
-var shrinkwrap = require('../../npm-shrinkwrap.json');
+const shrinkwrap = require('../../npm-shrinkwrap.json');
 
 // console.log('Cleaning shrinkwrap object');
-cleanModule(shrinkwrap, shrinkwrap.name);
+cleanModule(shrinkwrap);
 
-var cleanShrinkwrapPath = path.join(__dirname, '..', '..', 'npm-shrinkwrap.clean.json');
+const cleanShrinkwrapPath = path.join(__dirname, '..', '..', 'npm-shrinkwrap.clean.json');
 console.log('writing npm-shrinkwrap.clean.json');
-fs.writeFileSync(cleanShrinkwrapPath, JSON.stringify(sorted(shrinkwrap), null, 2) + '\n');
+fs.writeFileSync(cleanShrinkwrapPath, JSON.stringify(shrinkwrap, null, 2) + '\n');