From 90a0ae1eb9a684edcfc6951cabb48b32dd0d33e9 Mon Sep 17 00:00:00 2001
From: Spencer <spalger@users.noreply.github.com>
Date: Tue, 9 May 2017 14:11:02 -0700
Subject: [PATCH] add a `castToArray` option to paramAsBody spec (#541)

(cherry picked from commit 35b342550ef7bfcb08069743d513633ba5b6f12b)
---
 scripts/generate/overrides.js | 10 ++++++++++
 src/lib/client_action.js      |  6 +++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/scripts/generate/overrides.js b/scripts/generate/overrides.js
index ee406a062..fd8aa9c52 100644
--- a/scripts/generate/overrides.js
+++ b/scripts/generate/overrides.js
@@ -289,5 +289,15 @@ function (spec) {
     examples: {
       scroll: 'scroll_<5.0.asciidoc'
     }
+  },
+  {
+    version: '>=5.3,<5.5',
+    paramAsBody: {
+      clearScroll: {
+        param: 'scrollId',
+        body: 'scroll_id',
+        castToArray: true,
+      }
+    }
   }
 ];
diff --git a/src/lib/client_action.js b/src/lib/client_action.js
index 3b602f67b..a8d6d26d1 100644
--- a/src/lib/client_action.js
+++ b/src/lib/client_action.js
@@ -257,7 +257,11 @@ function exec(transport, spec, params, cb) {
   if (!params.body && spec.paramAsBody) {
     if (typeof spec.paramAsBody === 'object') {
       params.body = {};
-      params.body[spec.paramAsBody.body] = params[spec.paramAsBody.param];
+      if (spec.paramAsBody.castToArray) {
+        params.body[spec.paramAsBody.body] = [].concat(params[spec.paramAsBody.param]);
+      } else {
+        params.body[spec.paramAsBody.body] = params[spec.paramAsBody.param];
+      }
       delete params[spec.paramAsBody.param];
     } else {
       params.body = params[spec.paramAsBody];