raise an error to specify the that the lock file needs to be regenera…

…ted due to dependency shrinkwrap object being empty

lib/install/inflate-shrinkwrap.js

@@ -7,6 +7,7 @@ const childPath = require('../utils/child-path.js')
 const createChild = require('./node.js').create
 let fetchPackageMetadata
 const inflateBundled = require('./inflate-bundled.js')
+const errorHandler = require('../utils/error-handler.js')
 const moduleName = require('../utils/module-name.js')
 const normalizePackageData = require('normalize-package-data')
 const npm = require('../npm.js')
@@ -52,6 +53,14 @@ function inflateShrinkwrap (topPath, tree, swdeps, opts) {
     const sw = swdeps[name]
     const dependencies = sw.dependencies || {}
     const requested = realizeShrinkwrapSpecifier(name, sw, topPath)
+
+    // if (Object.keys(sw).length === 0) {
+    //   let message = `Object for dependency "${name}" is empty.\n`
+    //   message += 'Something went wrong. Regenerate the package-lock.json with "npm install".\n'
+    //   message += 'If using a shrinkwrap, regenerate with "npm shrinkwrap".'
+    //   return errorHandler(message)
+    // }
+
     return inflatableChild(
       onDisk[name], name, topPath, tree, sw, requested, opts
     ).then((child) => {