I have tried uninstalling and installing from scratch but still get the same error.
when running the command npm install -g ionic@latest
I get the following error
test-MacBook-Air:cryptocal test$ sudo npm install -g ionic@latest
/usr/local/bin/ionic → /usr/local/lib/node_modules/ionic/bin/ionic
fsevents@1.1.2 install /usr/local/lib/node_modules/ionic/node_modules/fsevents
node install
node-pre-gyp ERR! Tried to download(undefined): https://fsevents-binaries.s3-us-west-2.amazonaws.com/v1.1.2/fse-v1.1.2-node-v51-darwin-x64.tar.gz
node-pre-gyp ERR! Pre-built binaries not found for fsevents@1.1.2 and node@7.9.0 (node-v51 ABI) (falling back to source compile with node-gyp)
gyp ERR! clean error
gyp ERR! stack Error: EACCES: permission denied, rmdir ‘build’
gyp ERR! System Darwin 16.5.0
gyp ERR! command “/usr/local/bin/node” “/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js” “clean”
gyp ERR! cwd /usr/local/lib/node_modules/ionic/node_modules/fsevents
gyp ERR! node -v v7.9.0
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
node-pre-gyp ERR! build error
node-pre-gyp ERR! stack Error: Failed to execute ‘/usr/local/bin/node /usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js clean’ (1)
node-pre-gyp ERR! stack at ChildProcess. (/usr/local/lib/node_modules/ionic/node_modules/fsevents/node_modules/node-pre-gyp/lib/util/compile.js:83:29)
node-pre-gyp ERR! stack at emitTwo (events.js:106:13)
node-pre-gyp ERR! stack at ChildProcess.emit (events.js:194:7)
node-pre-gyp ERR! stack at maybeClose (internal/child_process.js:899:16)
node-pre-gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)
node-pre-gyp ERR! System Darwin 16.5.0
node-pre-gyp ERR! command “/usr/local/bin/node” “/usr/local/lib/node_modules/ionic/node_modules/fsevents/node_modules/.bin/node-pre-gyp” “install” “–fallback-to-build”
node-pre-gyp ERR! cwd /usr/local/lib/node_modules/ionic/node_modules/fsevents
node-pre-gyp ERR! node -v v7.9.0
node-pre-gyp ERR! node-pre-gyp -v v0.6.36
node-pre-gyp ERR! not ok
Failed to execute ‘/usr/local/bin/node /usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js clean’ (1)
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.2 (node_modules/ionic/node_modules/fsevents):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.2 install: node install
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1