Fix TypeError: t.body is null

[garronej]

Hi! 👋

Firstly, thanks for your work on this project! 🙂

Today I used patch-package to patch stream-http@3.2.0 for the project I'm working on.

Problem started to arise with empty response body with latest version of Firefox (I think).

Here is the diff that solved my problem:

diff --git a/node_modules/stream-http/lib/response.js b/node_modules/stream-http/lib/response.js
index 91d1900..aeab6b3 100644
--- a/node_modules/stream-http/lib/response.js
+++ b/node_modules/stream-http/lib/response.js
@@ -75,6 +75,12 @@ var IncomingMessage = exports.IncomingMessage = function (xhr, response, mode, r
                return
            } catch (e) {} // pipeTo method isn't defined. Can't find a better way to feature test this
        }
+
+       if (!response.body) {
+           resetTimers(true);
+           self.push(null)
+           return
+       }
        // fallback for when writableStream or pipeTo aren't available
        var reader = response.body.getReader()
        function read () {

Update of: https://github.com/jhiesey/stream-http/pull/110

This issue body was partially generated by patch-package.