This application turns numbered pictures in a `frames` folder into the `project` folder as hashed files, and creates the corresponding JSON to insert into the project.

application.js

const fs = require('fs');
const path = require('path');
const crypto = require('crypto');

const compare = (a, b) => parseInt(a.replace(/\D/g, ''), 10) - parseInt(b.replace(/\D/g, ''), 10);

const data = fs.readdirSync('./frames')
  .sort(compare)
  .map((file, index) => {
    const hash = crypto.createHash('md5').update(fs.readFileSync(`./frames/${file}`)).digest('hex');
    const extension = path.extname(file).replace('.', '');
    fs.copyFileSync(`./frames/${file}`, `./project/${hash}.${extension}`)
    return {
      assetId: hash,
      name: `image${index}`,
      bitmapResolution: 2,
      md5ext: `${hash}.${extension}`,
      dataFormat: extension,
      rotationCenterX: 640,
      rotationCenterY: 360
    };
  });

fs.writeFileSync('files.json', JSON.stringify(data, null, 2));