My system is MAC. I am typing the following command:

sudo npm install -g aglio

The following problems arise:

npm WARN deprecated [email protected]: CoffeeScript on NPM has moved to "coffeescript" (no hyphen)
npm WARN deprecated [email protected]: Jade has been renamed to pug, please install the latest version of pug instead of jade
npm WARN deprecated [email protected]: Please update to at least constantinople 3.1.1
npm WARN deprecated [email protected]: Deprecated, use jstransformer
npm WARN deprecated [email protected]: This version is no longer maintained. Please upgrade to the latest version.
npm WARN deprecated [email protected]: This version is no longer maintained. Please upgrade to the latest version.
npm WARN deprecated [email protected]: This version is no longer maintained. Please upgrade to the latest version.
npm WARN deprecated [email protected]: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
/usr/local/bin/aglio -> /usr/local/lib/node_modules/aglio/bin/aglio.js

> [email protected] install /usr/local/lib/node_modules/aglio/node_modules/fsevents
> node install

node-pre-gyp WARN Using request for node-pre-gyp https download
node-pre-gyp WARN Pre-built binaries not installable for [email protected] and [email protected] (node-v57 ABI, unknown) (falling back to source compile with node-gyp)
node-pre-gyp WARN Hit error EACCES: permission denied, mkdir '/usr/local/lib/node_modules/aglio/node_modules/fsevents/lib'
gyp WARN EACCES user "root" does not have permission to access the dev dir "/Users/eric/.node-gyp/8.12.0"
gyp WARN EACCES attempting to reinstall using temporary dev dir "/usr/local/lib/node_modules/aglio/node_modules/fsevents/.node-gyp"
gyp WARN install got an error, rolling back install
gyp WARN install got an error, rolling back install
gyp ERR! configure error
gyp ERR! stack Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/aglio/node_modules/fsevents/.node-gyp'
gyp ERR! System Darwin 18.0.0
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "configure" "--fallback-to-build" "--module=/usr/local/lib/node_modules/aglio/node_modules/fsevents/lib/binding/Release/node-v57-darwin-x64/fse.node" "--module_name=fse" "--module_path=/usr/local/lib/node_modules/aglio/node_modules/fsevents/lib/binding/Release/node-v57-darwin-x64" "--napi_version=3" "--node_abi_napi=napi"
gyp ERR! cwd /usr/local/lib/node_modules/aglio/node_modules/fsevents
gyp ERR! node -v v8.12.0
gyp ERR! node-gyp -v v3.8.0
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 configure --fallback-to-build --module=/usr/local/lib/node_modules/aglio/node_modules/fsevents/lib/binding/Release/node-v57-darwin-x64/fse.node --module_name=fse --module_path=/usr/local/lib/node_modules/aglio/node_modules/fsevents/lib/binding/Release/node-v57-darwin-x64 --napi_version=3 --node_abi_napi=napi' (1)
node-pre-gyp ERR! stack     at ChildProcess.<anonymous> (/usr/local/lib/node_modules/aglio/node_modules/fsevents/node_modules/node-pre-gyp/lib/util/compile.js:83:29)
node-pre-gyp ERR! stack     at emitTwo (events.js:126:13)
node-pre-gyp ERR! stack     at ChildProcess.emit (events.js:214:7)
node-pre-gyp ERR! stack     at maybeClose (internal/child_process.js:915:16)
node-pre-gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:209:5)
node-pre-gyp ERR! System Darwin 18.0.0
node-pre-gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/aglio/node_modules/fsevents/node_modules/node-pre-gyp/bin/node-pre-gyp" "install" "--fallback-to-build"
node-pre-gyp ERR! cwd /usr/local/lib/node_modules/aglio/node_modules/fsevents
node-pre-gyp ERR! node -v v8.12.0
node-pre-gyp ERR! node-pre-gyp -v v0.10.3
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 configure --fallback-to-build --module=/usr/local/lib/node_modules/aglio/node_modules/fsevents/lib/binding/Release/node-v57-darwin-x64/fse.node --module_name=fse --module_path=/usr/local/lib/node_modules/aglio/node_modules/fsevents/lib/binding/Release/node-v57-darwin-x64 --napi_version=3 --node_abi_napi=napi' (1)

> [email protected] install /usr/local/lib/node_modules/aglio/node_modules/protagonist
> node-gyp rebuild

gyp WARN EACCES user "root" does not have permission to access the dev dir "/Users/eric/.node-gyp/8.12.0"
gyp WARN EACCES attempting to reinstall using temporary dev dir "/usr/local/lib/node_modules/aglio/node_modules/protagonist/.node-gyp"
gyp WARN install got an error, rolling back install
gyp WARN install got an error, rolling back install
gyp ERR! configure error
gyp ERR! stack Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/aglio/node_modules/protagonist/.node-gyp'
gyp ERR! System Darwin 18.0.0
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 /usr/local/lib/node_modules/aglio/node_modules/protagonist
gyp ERR! node -v v8.12.0
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok

> [email protected] postinstall /usr/local/lib/node_modules/aglio/node_modules/aglio-theme-olio
> node scripts/setup-cache.js

fs.js:885
  return binding.mkdir(pathModule._makeLong(path),
                 ^

Error: EACCES: permission denied, mkdir './cache'
    at Object.fs.mkdirSync (fs.js:885:18)
    at Object.<anonymous> (/usr/local/lib/node_modules/aglio/node_modules/aglio-theme-olio/scripts/setup-cache.js:14:6)
    at Module._compile (module.js:653:30)
    at Object.Module._extensions..js (module.js:664:10)
    at Module.load (module.js:566:32)
    at tryModuleLoad (module.js:506:12)
    at Function.Module._load (module.js:498:3)
    at Function.Module.runMain (module.js:694:10)
    at startup (bootstrap_node.js:204:16)
    at bootstrap_node.js:625:3
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules/aglio/node_modules/fsevents):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] install: `node install`
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules/aglio/node_modules/protagonist):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] install: `node-gyp rebuild`
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] postinstall: `node scripts/setup-cache.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/eric/.npm/_logs/2019-02-14T00_47_21_128Z-debug.log

According to the research, the correct approach should be:

 sudo npm install -g aglio --unsafe-perm=true --allow-root

And then it’s normal.
reference
[1].Error: EACCES: permission denied, mkdir ‘/root/.nvm/versions/node/……. https://www.jianshu.com/p/6c67a456654b