Consolidate stdout and stderr into single output

action.yml

@@ -32,10 +32,8 @@ inputs:
     description: Set to "true" if root is required for running your playbook
     required: false
 outputs:
-  stdout:
-    description: The captured output of stdout from the Ansible Playbook run
-  stderr:
-    description: The captured output of stderr from the Ansible Playbook run
+  output:
+    description: The captured output of both stdout and stderr from the Ansible Playbook run
 runs:
   using: node12
   main: main.js

main.js

@@ -81,21 +81,19 @@ async function main() {
 
         process.env.ANSIBLE_FORCE_COLOR = "True"
 
-        let stdout = ''
-        let stderr = ''
+        let output = ''
         const execOptions = {}
         execOptions.listeners = {
           stdout: function(data) {
-            stdout += data.toString()
+            output += data.toString()
           },
           stderr: function(data) {
-            stderr += data.toString()
+            output += data.toString()
           }
         }
 
         await exec.exec("ansible-playbook", cmd, execOptions)
-        core.setOutput('stdout', stdout)
-        core.setOutput('stderr', stderr)
+        core.setOutput('output', output)
     } catch (error) {
         core.setFailed(error.message)
     }