feat: request option

Author: gr2m

lib/request.js

@@ -8,35 +8,19 @@ const getBuffer = require('./get-buffer-response')
 const HttpError = require('./http-error')
 
 function request (fetch, requestOptions) {
-  // https://fetch.spec.whatwg.org/#methods
-  requestOptions.method = requestOptions.method.toUpperCase()
-
-  // default content-type for JSON
-  if (requestOptions.body && !requestOptions.headers['content-type']) {
-    requestOptions.headers['content-type'] = 'application/json; charset=utf-8'
-  }
-
-  // GitHub expects "content-length: 0" header for PUT/PATCH requests without body
-  // fetch does not allow to set `content-length` header, but we can set body to an empty string
-  if (['PATCH', 'PUT'].indexOf(requestOptions.method) >= 0 && !requestOptions.body) {
-    requestOptions.body = ''
-  }
-
   if (isPlainObject(requestOptions.body) || Array.isArray(requestOptions.body)) {
     requestOptions.body = JSON.stringify(requestOptions.body)
   }
 
   let headers = {}
   let status
 
-  return fetch(requestOptions.url, {
+  return fetch(requestOptions.url, Object.assign({
     method: requestOptions.method,
     body: requestOptions.body,
     headers: requestOptions.headers,
-    redirect: requestOptions.redirect,
-    timeout: requestOptions.timeout,
-    agent: requestOptions.agent
-  })
+    redirect: requestOptions.redirect
+  }, requestOptions.request))
 
     .then(response => {
       status = response.status