fzf.js

   1 const child = require("child_process")
   2
   3 module.exports.fzf = (options, binary = "fzf") => {
   4         let res, rej
   5         const prom = new Promise((rs, rj) => [res, rej] = [rs, rj])
   6
   7         const proc = child.spawn(binary)
   8         options.forEach(opt => proc.stdin.write(opt + "\n"))
   9
  10         let data = ""
  11         proc.stdout.on("data", chunk => {
  12                 data += chunk
  13         })
  14         proc.stderr.pipe(process.stderr)
  15
  16         proc.on("close", code => {
  17                 if (code == 0)
  18                         res(data.trim())
  19                 else
  20                         rej(code)
  21         })
  22
  23         return prom
  24 }
  25
  26 module.exports.doujin = doujins => module.exports.fzf(doujins.sort(), __dirname + "/fzf-previews")
  27         .then(doujin => child.spawn("firefox", [`file://${process.cwd()}/${doujin}/index.html`]))