score:1

function base64tobuffer(base4) {
  const str = atob(base64);
  const bin = [...str].map(char => char.charcodeat(0));
  const arr = new uint8array(bin);
  const { buffer } = arr;
  return buffer;
}

const base64 = '/9j/4aaqskzjrgabaqeayabgaad/4qborxhpzgaatu0akgaaaagabaeaaauaaaabaaaapgebaauaaaabaaaargeoaamaaaabaaiaaaexaaiaaaaraaaatgaaaaaaaabgaaaaaqaaagaaaaabcgfpbnqubmv0idqumi4xmgaa/9saqwbyt1zkvkdyzf1kgxlyikv/uqudnav/+v/p/////////////////////////////////////////////////////9saqwf5gygrlqv/urr//////////////////////////////////////////////////////////////////////////8aaeqgaiqagaweiaairaqmraf/eab8aaaefaqebaqebaaaaaaaaaaabagmebqyhcakkc//ealuqaaibawmcbamfbqqeaaabfqecawaeequsitfbbhnryqcicrqygzghccncscevuthwjdnicoijchyxgbkajsynkckqndu2nzg5okneruzhselku1rvvldywvpjzgvmz2hpann0dxz3ehl6g4sfhoeiiyqsk5svlpeymzqio6slpqeoqaqys7s1tre4ubrcw8tfxsfiycrs09tv1tfy2drh4upk5ebn6onq8flz9px29/j5+v/eab8baambaqebaqebaqeaaaaaaaabagmebqyhcakkc//ealuraaibagqeawqhbqqeaaecdwabagmrbauhmqysqvehyxetijkbcbrckagxwqkjm1lwfwjy0qowjdthjfexgbkajicokso1njc4otpdrevgr0hjslnuvvzxwflay2rlzmdoawpzdhv2d3h5eokdhiwgh4ijipktljwwl5izmqkjpkwmp6ipqrkztlw2t7i5usldxmxgx8jjytlt1nxw19jz2ulj5oxm5+jp6vlz9px29/j5+v/aaawdaqaceqmrad8afkt5i459qaopxcr2ps3zb8zzwo/rsrhm6jp0/waaaglqom4dvresxbix/ku44vuoyfb/aapa3zbsyxww/kaagdaf/iq8e4qubwcmmdmg+tkyk3xqohqmzrim89rxnp5uapo1xjoomsfsouok/watnn2fooxydppu8yx+dskir06nqaahvhn/qzrrqaq/6svjrrqb/9k=';
const buffer = base64tobuffer(base64);
const file = new file([buffer], 'tiger.jpg', { type: 'image/jpeg' });

console.log(file);


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