我正在尝试安装node-sass，但是它一直无法安装。我已经尝试更新npm。
我输入了以下命令：sudo npm install -g node-sass
运行结果如下（从错误前一行开始）：
我输入了以下命令：sudo npm install -g node-sass
运行结果如下（从错误前一行开始）：
gyp verb build dir attempting to create "build" dir:
/Users/matt/node_modules/node-sass/build
gyp ERR! configure error
gyp ERR! stack Error: EACCES: permission denied, mkdir
'/Users/matt/node_modules/node-sass/build'
gyp ERR! System Darwin 17.7.0
gyp ERR! command "/usr/local/bin/node"
"/Users/matt/node_modules/node-gyp/bin/node-gyp.js" "rebuild" "-
-verbose" "--libsass_ext=" "--libsass_cflags=" "--
libsass_ldflags=" "--libsass_library="
gyp ERR! cwd /Users/matt/node_modules/node-sass
gyp ERR! node -v v8.11.1
gyp ERR! node-gyp -v v3.7.0
gyp ERR! not ok
Build failed with error code: 1
npm WARN enoent ENOENT: no such file or directory, open
'/Users/matt/package.json'
npm WARN ajv-keywords@3.2.0 requires a peer of ajv@^6.0.0 but
none is installed. You must install peer dependencies yourself.
npm WARN matt No description
npm WARN matt No repository field.
npm WARN matt No README data
npm WARN matt No license field.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@4.9.2 postinstall: `node scripts/build.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-sass@4.9.2 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/matt/.npm/_logs/2018-08-02T16_18_15_228Z-
debug.log