Install fails on Node v12.22.6 using npm 6.14.15

[larsschwarz]

Here's the output of npm i mashnet

npm WARN saveError ENOENT: no such file or directory, open '/var/www/mshnet/package.json'
npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN notsup Unsupported engine for @mapbox/[email protected]: wanted: {"node":"10.18.1"} (current: {"node":"12.22.6","npm":"6.14.15"})
npm WARN notsup Not compatible with your version of node/npm: @mapbox/[email protected]
npm WARN enoent ENOENT: no such file or directory, open '/var/www/mshnet/package.json'
npm WARN mshnet No description
npm WARN mshnet No repository field.
npm WARN mshnet No README data
npm WARN mshnet No license field.