info.js

   1 const fs = require("fs").promises
   2
   3 module.exports.doujins = shortNames => fs.readdir(".", {encoding: "utf8", withFileTypes: true})
   4         .then(doujins => doujins
   5                 .map(dirent => fs.readFile(`${dirent.name}/metadata.json`)
   6                         .then(data => JSON.parse(data.toString()))
   7                         .then(data => [dirent.name, data])
   8                         .catch(_ => [])))
   9         .then(promises => Promise.all(promises))
  10         .then(doujins => doujins
  11                 .filter(([title, data]) => title && data)
  12                 .filter(([title, data]) => (title == data.title) == !shortNames))
  13         .then(doujins => Object.fromEntries(doujins))
  14
  15 module.exports.tags = _ => {
  16         const tags = {"*": []}
  17
  18         return module.exports.doujins()
  19                 .then(doujins => Object.values(doujins))
  20                 .then(doujins => doujins
  21                         .forEach(doujin => {
  22                                 tags["*"].push(doujin.title)
  23
  24                                 doujin.tag && doujin.tag.forEach(tag => {
  25                                         tags[tag] = tags[tag] || []
  26                                         tags[tag].push(doujin.title)
  27                                 })
  28                         }))
  29                 .then(_ => tags)
  30 }