npm ERR! Unexpected end of JSON input while parsing near

npm安装module时报错

C:\Users\80022319\Desktop\node\openfaas>npm install express -g
npm ERR! Unexpected end of JSON input while parsing near '...t":"^1.1.0","mkdirp":'

npm ERR! A complete log of this run can be found in:
npm ERR!     D:\software\dev\node\node_cache\_logs\2020-12-29T05_51_48_634Z-debug.log

解决

1. npm cache clean --force

   C:\Users\80022319\Desktop\node\openfaas>npm cache clean --force
   npm WARN using --force I sure hope you know what you are doing.
   

2. npm cache verify

   C:\Users\80022319\Desktop\node\openfaas>npm cache verify
   Cache verified and compressed (D:\software\dev\node\node_cache\_cacache):
   Content verified: 63 (801482 bytes)
   Index entries: 91
   Finished in 0.272s
   

3. npm install

   C:\Users\80022319\Desktop\node\openfaas>npm install
   npm WARN deprecated undefined@0.1.0: this package has been deprecated
   npm WARN saveError ENOENT: no such file or directory, open 'C:\Users\80022319\Desktop\node\package.json'
   npm notice created a lockfile as package-lock.json. You should commit this file.
   npm WARN enoent ENOENT: no such file or directory, open 'C:\Users\80022319\Desktop\node\package.json'
   npm WARN node No description
   npm WARN node No repository field.
   npm WARN node No README data
   npm WARN node No license field.
   
   removed 2 packages in 11.817s
   found 0 vulnerabilities
   

4. npm install -g express

   C:\Users\80022319\Desktop\node\openfaas>npm install -g express
   + express@4.17.1
   added 50 packages from 37 contributors in 136.893s