Revert "Fix Issue 50: connection.js remove onlyJsonResponse"

This reverts commit 3c9ff5c384.

src/connection.js

@@ -89,8 +89,9 @@ export default class Connection {
      * @public
      * @param publicKey
      * @param spent
+     * @param onlyJsonResponse
      */
-    listOutputs(publicKey, spent) {
+    listOutputs(publicKey, spent, onlyJsonResponse = true) {
         const query = {
             public_key: publicKey
         }
@@ -101,7 +102,7 @@ export default class Connection {
         }
         return this._req(this.getApiUrls('outputs'), {
             query
-        })
+        }, onlyJsonResponse)
     }
 
     /**
@@ -158,6 +159,7 @@ export default class Connection {
 
     /**
      * @public
+     *
      * @param transaction
      */
     postTransaction(transaction) {
@@ -170,6 +172,7 @@ export default class Connection {
 
     /**
      * @public
+     *
      * @param search
      */
     searchAssets(search) {

src/request.js

@@ -12,7 +12,7 @@ const DEFAULT_REQUEST_CONFIG = {
  * Small wrapper around js-utility-belt's request that provides url resolving,
  * default settings, and response handling.
  */
-export default function request(url, config = {}) {
+export default function request(url, config = {}, onlyJsonResponse = true) {
     // Load default fetch configuration and remove any falsy query parameters
     const requestConfig = Object.assign({}, DEFAULT_REQUEST_CONFIG, config, {
         query: config.query && sanitize(config.query)
@@ -30,7 +30,7 @@ export default function request(url, config = {}) {
     }
 
     return baseRequest(apiUrl, requestConfig)
-        .then(res => (res.json()))
+        .then(res => (onlyJsonResponse ? res.json() : { json: res.json(), url: res.url }))
         .catch(err => {
             console.error(err)
             throw err