doujinshi.js is a simple doujinshi metadata search module for nodejs. https://www.doujinshi.org/
npm install doujinshi
const doujinshi = require("doujinshi")
doujinshi("path_to_image")
.then(result => {
console.log(result)
})
"path_to_image" is
or
doujinshi page0001.jpg
doujinshi https://example.com/page0001.jpg