My story:
pi@raspberrypi:~/pimatic-app $ sudo node_modules/pimatic/pimatic.js
module.js:327
throw err;
^
Error: Cannot find module 'fs.extra’
at Function.Module._resolveFilename (module.js:325:15)
at Function.Module._load (module.js:276:25)
at Module.require (module.js:353:17)
at require (internal/module.js:12:17)
at Object.<anonymous> (/home/pi/pimatic-app/node_modules/pimatic/coffee-cache.js:27:14)
at Module._compile (module.js:409:26)
at Object.Module._extensions…js (module.js:416:10)
at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Module.require (module.js:353:17)
pi@raspberrypi:~/pimatic-app $ sudo npm i -g fs-extra
fs-extra@6.0.1 /usr/local/lib/node_modules/fs-extra
├── universalify@0.1.2
├── jsonfile@4.0.0
└── graceful-fs@4.1.11
pi@raspberrypi:~/pimatic-app $ sudo node_modules/pimatic/pimatic.js
module.js:327
throw err;
^
Error: Cannot find module 'fs.extra’
at Function.Module._resolveFilename (module.js:325:15)
at Function.Module._load (module.js:276:25)
at Module.require (module.js:353:17)
at require (internal/module.js:12:17)
at Object.<anonymous> (/home/pi/pimatic-app/node_modules/pimatic/coffee-cache.js:27:14)
at Module._compile (module.js:409:26)
at Object.Module._extensions…js (module.js:416:10)
at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Module.require (module.js:353:17)
pi@raspberrypi:~/pimatic-app $