解决npm install时报错无法安装chromedriver的问题

最近使用vue开发了一个前端项目，开发好后准备部署到服务器上。从git仓库拉下项目代码后，运行npm install安装项目所依赖的模块时却报错了，错误信息如下：

> chromedriver@2.41.0 install /app/developer/git-repository/back_admin_front/node_modules/chromedriver
> node install.js

/app/developer/git-repository/back_admin_front/node_modules/chromedriver/chromedriver is not writable: EACCES: permission denied, mkdir '/app/developer/git-repository/back_admin_front/node_modules/chromedriver/chromedriver'
Downloading https://chromedriver.storage.googleapis.com/2.41/chromedriver_linux64.zip
Saving to /tmp/chromedriver/chromedriver_linux64.zip
Received 781K...
Received 1575K...
Received 2359K...
Received 3143K...
Received 3852K total.
Extracting zip contents
Copying to target path /app/developer/git-repository/back_admin_front/node_modules/chromedriver/lib/chromedriver
ChromeDriver installation failed { Error: EACCES: permission denied, mkdir '/app/developer/git-repository/back_admin_front/node_modules/chromedriver/lib/chromedriver'
    at Object.fs.mkdirSync (fs.js:885:18)
    at /app/developer/git-repository/back_admin_front/node_modules/chromedriver/install.js:230:10
    at <anonymous>
  errno: -13,
  code: 'EACCES',
  syscall: 'mkdir',
  path: '/app/developer/git-repository/back_admin_front/node_modules/chromedriver/lib/chromedriver' }
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! chromedriver@2.41.0 install: `node install.js`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the chromedriver@2.41.0 install 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!     /root/.npm/_logs/2018-10-10T02_21_34_357Z-debug.log

解决办法，先安装以下模块：

npm install --ignore-scripts