TypeError: Cannot read property 'length' of null

[LavrovArtem]

node/lib/zlib.js

Line 493 in 2ba93f6

return (buffers.length === 1 ? buffers[0] : Buffer.concat(buffers, nread));

const zlib = require('zlib');

const arr= new Int8Array([0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x03, 0x02, 0x00, 0x00, 0x00, 0xff, 0xff, 0x03, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
console.log(zlib.gunzipSync(arr))

zlib.js:488
  return (buffers.length === 1 ? buffers[0] : Buffer.concat(buffers, nread));
                  ^

TypeError: Cannot read property 'length' of null
    at processChunkSync (zlib.js:488:19)
    at zlibBufferSync (zlib.js:119:12)
    at Object.gunzipSync (zlib.js:646:14)
    at Object.<anonymous> (D:\tests\2017\11\test-zlib.js:7:18)
    at Module._compile (module.js:641:30)
    at Object.Module._extensions..js (module.js:652:10)
    at Module.load (module.js:560:32)
    at tryModuleLoad (module.js:503:12)
    at Function.Module._load (module.js:495:3)
    at Function.Module.runMain (module.js:682:10)

• Version: v9.0.0
• Platform: Windows 8.1 64-bit

It works fine on 6, 7 and 8 node versions.

[addaleax]

I’m closing this as a duplicate of #17041, it’s going to be fixed with the next 9.x release.

Thanks for the report, though!

[ikishanoza]

Updating to latest version of node solves the issue for me. Cheers

[jpasiliao]

Im having this kind of erron when using this code sudo npm install

any one can share solution?

node version 10.16.0
npm version 6.9.0

thanks in advance