From da8cdbfb06cebb2270619d45d76cc7fa3b5843e7 Mon Sep 17 00:00:00 2001
From: Ryan Garant <ryantgarant@gmail.com>
Date: Sun, 29 Sep 2019 20:39:42 -0700
Subject: [PATCH] fix(pull-request): only add body when updating PR when body
 is truthy

Resolves bug report #678:
Error: Error closing PR
Error: Can't close pull request 1319.
HttpError: 'body' cannot be null
    at main (/usr/lib/node_modules/gh/lib/cmds/pull-request.js:164:23)
    at processTicksAndRejections (internal/process/task_queues.js:85:5)
---
 .vscode/launch.json      | 12 +-----------
 src/cmds/pull-request.ts |  2 +-
 2 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/.vscode/launch.json b/.vscode/launch.json
index af8f25a8..3c8383e6 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -9,17 +9,7 @@
             "type": "node",
             "request": "launch",
             "runtimeArgs": ["-r", "ts-node/register"],
-            "args": [
-                "${workspaceFolder}/src/debug.ts",
-                "is",
-                "--new",
-                "--title",
-                "Add Ramda as a npm dependency to being refactoring towards functional style",
-                "--message",
-                "Ramda is the top functional programming lib for JS",
-                "--repo",
-                "node-gh"
-            ],
+            "args": ["${workspaceFolder}/src/debug.ts", "pr", "109", "-C"],
             // "args": ["${workspaceFolder}/src/debug.ts", "ji", "LWM-117", "--status"],
             "console": "integratedTerminal"
         },
diff --git a/src/cmds/pull-request.ts b/src/cmds/pull-request.ts
index 165e9c37..cae006c3 100755
--- a/src/cmds/pull-request.ts
+++ b/src/cmds/pull-request.ts
@@ -858,10 +858,10 @@ function updatePullRequest_(options, title, opt_body, state) {
     const payload = {
         state,
         title,
-        body: opt_body,
         pull_number: options.number,
         repo: options.repo,
         owner: options.user,
+        ...(opt_body ? { body: opt_body } : {}),
     }
 
     return options.GitHub.pulls.update(payload)