Exif-sticker

var stickerExif = 0 // to prevent stickers with the same name
const webp = require('webp-converter');
const Exif = require('/path/to/exif.js'); //https://gist.github.com/JoseHM8A/14a09d7afa34e63eb2c57492d59c2ddd
const exif = new Exif()

stickerExif++
const packname = 'Pack Name'
const autor = 'Author'
exif.create(packname, autor, `stc_${author}${stickerExif}`)
const encryptMedia = isQuotedImage ? await quotedMsg.downloadMedia() : await msg.downloadMedia()
webp.buffer2webpbuffer(Buffer.from(encryptMedia.data, 'base64'), 'jpg', '-q 100')
.then((res) => {
  sharp(res)
  .resize(512, 512, {
      fit: 'contain',
      background: { r: 0, g: 0, b: 0, alpha: 0 },
  })
  .toFile(`./temp/stage_${author}${stickerExif}.webp`, async(err) => {
      if (err) return console.error(err)
      await exec(`webpmux -set exif ./temp/stc_${author}${stickerExif}.exif ./temp/stage_${author}${stickerExif}.webp -o ./temp/${author}${stickerExif}.webp`, { log: true })
      if (fs.existsSync(`./temp/${author}${stickerExif}.webp`)) {
          const data = fs.readFileSync(`./temp/${author}${stickerExif}.webp`)
          const base64exif = new MessageMedia('image/webp', data.toString('base64'))
          await msg.reply(base64exif, null, { sendMediaAsSticker: true })
          fs.unlink(`./temp/${author}${stickerExif}.webp`)
      }
  })
})
.catch(async(err) => {
  console.error(err)
  //msg.reply(error)
})