node-file-base64

node-file-base64 requires node v7.6.0 or higher for ES2015。

how to use?

npm install node-file-base64 --save-dev

const fileBase64 = require('node-file-base64');
// file to base64
fileBase64.fileToBase64('your file path')
  .then((res) => { 
    if (res.code === 1) {
       console.log(res.str);
     }
  })
  .catch((err) => {
    console.log(err);
  })


// base64 to file
  fileBase64.base64ToFile(base64Str, 'your file directory', 'your file name')
    .then((res) => {
      if (res.code === 1) {
        console.log('success');
      }
    })
    .catch((err) => {
      console.log(err);
    })

if you like it，please give a star，thank you。