Can't install generator-mocha using node

Getting a long list of errors while installing yoeman's generator-mocha I don't know why its behaving like this. I tried uninstalling it, and npm uninstall works apparently fine, but still getting error while installation.

npm ERR! Error: ENOENT, lstat '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/file-utils/node_modules/minimatch/minimatch.js'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/file-utils/node_modules/minimatch/minimatch.js
npm ERR! fstream_path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/file-utils/node_modules/minimatch/minimatch.js
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:284:26
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR! Error: ENOENT, lstat '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/entities/maps/entities.json'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/entities/maps/entities.json
npm ERR! fstream_path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/entities/maps/entities.json
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:284:26
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR! Failed to parse json
npm ERR! Unexpected end of input
npm ERR! File: /Users/mac/.npm/is-bzip2/1.0.0/package/package.json
npm ERR! Failed to parse package.json data.
npm ERR! package.json must be actual JSON, not just JavaScript.
npm ERR! 
npm ERR! This is not a bug in npm.
npm ERR! Tell the package author to fix their package.json file. JSON.parse

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! file /Users/mac/.npm/is-bzip2/1.0.0/package/package.json
npm ERR! code EJSONPARSE
^CUTs-MacBook-Pro:front-end mac$ sudo npm uninstall generator-mocha
npm WARN uninstall not installed in /Users/mac/Documents/front-end/node_modules: "generator-mocha"
UTs-MacBook-Pro:front-end mac$ sudo npm uninstall -g generator-mocha
UTs-MacBook-Pro:front-end mac$ sudo npm install -g generator-mocha
npm ERR! Error: ENOENT, chown '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/glob/node_modules/graceful-fs/polyfills.js'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/glob/node_modules/graceful-fs/polyfills.js
npm ERR! fstream_path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/glob/node_modules/graceful-fs/polyfills.js
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! fstream_finish_call chown
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:305:19
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/graceful-fs/polyfills.js:133:7
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR! error rolling back Error: ENOTEMPTY, rmdir '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/htmlparser2/test'
npm ERR! error rolling back  yeoman-generator@0.17.6 { [Error: ENOTEMPTY, rmdir '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/htmlparser2/test']
npm ERR! error rolling back   errno: 53,
npm ERR! error rolling back   code: 'ENOTEMPTY',
npm ERR! error rolling back   path: '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/htmlparser2/test' }
npm ERR! EEXIST, mkdir '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/request/node_modules/hawk/lib'
File exists: /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/request/node_modules/hawk/lib
Move it away, and try again. 

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/request/node_modules/hawk/lib
npm ERR! fstream_path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/request/node_modules/hawk/lib/server.js
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code EEXIST
npm ERR! errno 47
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:171:23
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/mkdirp/index.js:37:53
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR! Error: ENOENT, lstat '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/inquirer/node_modules/rx/dist/rx.compat.js'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/inquirer/node_modules/rx/dist/rx.compat.js
npm ERR! fstream_path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/inquirer/node_modules/rx/dist/rx.compat.js
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:284:26
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR! Error: ENOENT, lstat '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/CSSselect/test/nwmatcher/index.js'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/CSSselect/test/nwmatcher/index.js
npm ERR! fstream_path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/CSSselect/test/nwmatcher/index.js
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:284:26
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR! Error: ENOENT, lstat '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/glob/node_modules/minimatch/minimatch.js'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/glob/node_modules/minimatch/minimatch.js
npm ERR! fstream_path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/glob/node_modules/minimatch/minimatch.js
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:284:26
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR! error rolling back Error: ENOTEMPTY, rmdir '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/file-utils/node_modules/glob/test'
npm ERR! error rolling back  generator-mocha@0.1.5 { [Error: ENOTEMPTY, rmdir '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/file-utils/node_modules/glob/test']
npm ERR! error rolling back   errno: 53,
npm ERR! error rolling back   code: 'ENOTEMPTY',
npm ERR! error rolling back   path: '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/file-utils/node_modules/glob/test' }
npm ERR! Failed to parse json
npm ERR! Unexpected end of input
npm ERR! File: /Users/mac/.npm/is-bzip2/1.0.0/package/package.json
npm ERR! Failed to parse package.json data.
npm ERR! package.json must be actual JSON, not just JavaScript.
npm ERR! 
npm ERR! This is not a bug in npm.
npm ERR! Tell the package author to fix their package.json file. JSON.parse

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! file /Users/mac/.npm/is-bzip2/1.0.0/package/package.json
npm ERR! code EJSONPARSE
npm ERR! Error: ENOENT, open '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/htmlparser2/test/Documents/RDF_Example.xml'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/cheerio/node_modules/htmlparser2/test/Documents/RDF_Example.xml
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! Error: ENOENT, lstat '/usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/request/node_modules/tough-cookie/lib/pubsuffix.js'
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Darwin 14.0.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "generator-mocha"
npm ERR! cwd /Users/mac/Documents/front-end
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.14
npm ERR! path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/request/node_modules/tough-cookie/lib/pubsuffix.js
npm ERR! fstream_path /usr/local/lib/node_modules/generator-mocha/node_modules/yeoman-generator/node_modules/request/node_modules/tough-cookie/lib/pubsuffix.js
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack /usr/local/lib/node_modules/npm/node_modules/fstream/lib/writer.js:284:26
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/mac/Documents/front-end/npm-debug.log
npm ERR! not ok code 0