If there's a body, add a content-length header.

Author: pluma

src/connection.js

@@ -53,16 +53,21 @@ extend(Connection.prototype, {
     var body = opts.body;
     var headers = {'content-type': 'text/plain'};
 
-    if (body && typeof body === 'object') {
-      if (opts.ld) {
-        body = body.map(function (obj) {
-          return JSON.stringify(obj);
-        }).join('\r\n') + '\r\n';
-        headers['content-type'] = 'application/x-ldjson';
+    if (body) {
+      if (typeof body === 'object') {
+        if (opts.ld) {
+          body = body.map(function (obj) {
+            return JSON.stringify(obj);
+          }).join('\r\n') + '\r\n';
+          headers['content-type'] = 'application/x-ldjson';
+        } else {
+          body = JSON.stringify(body);
+          headers['content-type'] = 'application/json';
+        }
       } else {
-        body = JSON.stringify(body);
-        headers['content-type'] = 'application/json';
+        body = String(body);
       }
+      headers['content-length'] = body.length;
     }
 
     this._request({