> decode@1.0.0 start /root/Desktop/decode
> node decoder.js

/root/Desktop/decode/decoder.js:5
    return base64.decode(message);
                         ^

ReferenceError: message is not defined
    at decodeMessage (/root/Desktop/decode/decoder.js:5:19)
    at Object.<anonymous> (/root/Desktop/decode/decoder.js:28:26)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
    at Function.Module._load (internal/modules/cjs/loader.js:530:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:742:12)
    at startup (internal/bootstrap/node.js:283:19)
    at bootstrapNodeJSCore (internal/bootstrap/node.js:743:3)
npm ERR! code ELIFECYCLE
...