Transform images to base64 strings

image-to-base64.js

const fs    = require('fs');
const regex = /(\.|\/)(gif|jpe?g|png|txt)$/i;
const dir   = './';
const encoding = 'base64';

fs.readdir(dir, (err, files) => {
  if (err) return err;

  files.forEach((file) => {
    // Skip current file
    if (file === __filename.slice(__dirname.length + 1)) return;

    fs.readFile(`${dir}${file}`, {encoding}, (err, str) => {
      if (err) return err;

      const ext = regex.exec(file)[2];
      console.log('################################################################################');
      console.log(file);
      console.log(`data:image/${ext};base64,${str}`);
      console.log('################################################################################');
    });
  });
});