raspi-io: Install failiure

I am trying into npm install raspi-io but getting the following error warnings when I run sudo npm install raspi-io --save

Raspberry Pi: Jessie Node: 4.2.1 NPM: 3.5.1

raspi-gpio@2.1.0 install /var/www/html/raspberry-js/node_modules/raspi-gpio node-gyp rebuild

gyp WARN EACCES user “root” does not have permission to access the dev dir “/root/.node-gyp/4.2.1” gyp WARN EACCES attempting to reinstall using temporary dev dir “/var/www/html/raspberry-js/node_modules/raspi-gpio/.node-gyp” make: Entering directory ‘/var/www/html/raspberry-js/node_modules/raspi-gpio/build’ CXX(target) Release/obj.target/addon/src/addon.o CXX(target) Release/obj.target/addon/src/init.o …/src/init.cc:27:22: fatal error: wiringPi.h: No such file or directory #include <wiringPi.h> ^ compilation terminated. addon.target.mk:91: recipe for target ‘Release/obj.target/addon/src/init.o’ failed make: *** [Release/obj.target/addon/src/init.o] Error 1 make: Leaving directory ‘/var/www/html/raspberry-js/node_modules/raspi-gpio/build’ gyp ERR! build error gyp ERR! stack Error: make failed with exit code: 2 gyp ERR! stack at ChildProcess.onExit (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:276:23) gyp ERR! stack at emitTwo (events.js:87:13) gyp ERR! stack at ChildProcess.emit (events.js:172:7) gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:200:12) gyp ERR! System Linux 4.1.13+ gyp ERR! command “/usr/local/bin/node” “/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js” “rebuild” gyp ERR! cwd /var/www/html/raspberry-js/node_modules/raspi-gpio gyp ERR! node -v v4.2.1 gyp ERR! node-gyp -v v3.2.0 gyp ERR! not ok npm WARN raspberry-js@1.0.0 No description npm WARN raspberry-js@1.0.0 No repository field. npm ERR! Linux 4.1.13+ npm ERR! argv “/usr/local/bin/node” “/usr/local/bin/npm” “install” “raspi-io” “–save” npm ERR! node v4.2.1 npm ERR! npm v3.5.1 npm ERR! code ELIFECYCLE

npm ERR! raspi-gpio@2.1.0 install: node-gyp rebuild npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the raspi-gpio@2.1.0 install script ‘node-gyp rebuild’. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the raspi-gpio package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! node-gyp rebuild npm ERR! You can get information on how to open an issue for this project with: npm ERR! npm bugs raspi-gpio npm ERR! Or if that isn’t available, you can get their info via: npm ERR! npm owner ls raspi-gpio npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request: npm ERR! /var/www/html/raspberry-js/npm-debug.log