Read a file buffer from .zip file buffer data in NodeJS

Question

I call an API which returns a buffer data of a .zip file. I want to read files' buffer data which resides inside the .zip file using its buffer data without saving the .zip file. Is it possible?

Does this answer your question? Node.js read a file in a zip without unzipping it — async
– async, Commented Jun 20, 2022 at 8:44
The two answers rely on a saved .zip files in the system but in my case its working .zip file buffer data. It means that there is no .zip file path only buffer data to work with. — T.H.Naseri
– T.H.Naseri, Commented Jun 20, 2022 at 8:53

async · Accepted Answer · 2022-06-20 16:17:13Z

2

Try the zlib library (its a core node.js library - docs: https://nodejs.org/api/zlib.html#zlib), with this example I took from the documentation

const {unzip } = require('node:zlib');


const buffer = Buffer.from('eJzT0yMAAGTvBe8=', 'base64');
unzip(buffer, (err, buffer) => {
  if (err) {
    console.error('An error occurred:', err);
    process.exitCode = 1;
  }
  console.log(buffer.toString());
});

answered Jun 20, 2022 at 16:17

async

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1 Comment

T.H.Naseri Over a year ago

Thanks for the answer. Can we get the buffers of each file included in zip file after unzipping it? If yes, how?

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