Error message when running npm install elastos-wallet-js

[anthonymo]

c:\ewjs>npm install elastos-wallet-js
npm WARN saveError ENOENT: no such file or directory, open 'c:\ewjs\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:\ewjs\package.json'
npm WARN ewjs No description
npm WARN ewjs No repository field.
npm WARN ewjs No README data
npm WARN ewjs No license field.

[ariaInKitchen]

c:\ewjs>npm install elastos-wallet-js
npm WARN saveError ENOENT: no such file or directory, open 'c:\ewjs\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:\ewjs\package.json'
npm WARN ewjs No description
npm WARN ewjs No repository field.
npm WARN ewjs No README data
npm WARN ewjs No license field.

please clone this repo, cd to the directory, then run npm install elastos-wallet-js in termail