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How to send array of buffer data in aws-lambda payload?

I am working on functionality, where i needs to send array of buffer containing imageData In object along with some other fields,

SAMPLE INPUT :

payload = { input:'buffer', data:ARRAY_OF_BUFFER, output:'buffer' }

I tried using JSON.stringify(payload) but it’s not working, might be the issue with buffer, i am not sure it’s converting back buffer properly or not.

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Answer

A way to deal with this just pass payload as JSON.stringify(payload) what JSON.stringify is doing with buffer data is it’s converting buffer data like this

{ 
  type: 'Buffer',
  data: [ 72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100 ] 
}

so you can convert back into in it’s original form by just doing this

Buffer.from(data);

you will get the original buffer back.

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