How to reinstall Node.js Required Modules with the new version of npm?

After installing the latest version of "node" and "npm" with "nvm", you can reinstall Node.js Required Modules to run Node.js client applications again the WYFA network.

1. Remove all files in "node_modules":

$ cp ~/hyperledger-binaries/fabric-samples/fabcar/javascript
$ sudo rm -rf node_modules

2. Re-run "npm install" command:

$ npm install 

... some errors ... 
...
npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN fabcar@1.0.0 No repository field.
added 504 packages from 1053 contributors in 151.931s
npm ERR! Callback called more than once.

$ ls -l     
-rw-rw-r--   1 fyicenter   1735 Feb 21 23:01 enrollAdmin.js
-rw-rw-r--   1 fyicenter   2041 Feb 21 23:01 invoke.js
drwxrwxr-x 261 fyicenter  12288 Apr 20 01:37 node_modules
-rw-rw-r--   1 fyicenter 153210 Apr 20 01:37 package-lock.json
-rw-rw-r--   1 fyicenter   1027 Feb 21 23:01 package.json
-rw-rw-r--   1 fyicenter   1923 Feb 21 23:01 query.js
-rw-rw-r--   1 fyicenter   2424 Feb 21 23:01 registerUser.js
drwxrwxr-x   2 fyicenter   4096 Feb 21 23:01 wallet

The Node.js environment is ready for you to run those JavaScript files now. Errors in the "npm install" output is not impacting our tutorials.

⇒ enrollAdmin.js - Enroll Admin to ca.example.com

⇐ Reinstall npm with Node Version Manager

⇑ WYFA (Writing Your First Application)

⇑⇑ Hyperledger Tutorials