Capture output of stdout and stderr to Actions (#30)

* Capture output of stdout and stderr to Actions

* Remove type descriptors

Whoops! This isn't typescript

* Remove semicolons

* Rename cmd to args

* Separate command from arguments to exec

* Revert "Rename cmd to args"

This reverts commit 98591e5513.

* Append stdout and stderr to string, then log

* Consolidate stdout and stderr into single output

* Move base command back to cmd variable

* Embed execOptions as parameter to exec

action.yml

@@ -31,6 +31,9 @@ inputs:
   sudo:
     description: Set to "true" if root is required for running your playbook
     required: false
+outputs:
+  output:
+    description: The captured output of both stdout and stderr from the Ansible Playbook run
 runs:
   using: node12
   main: main.js

main.js

@@ -81,7 +81,18 @@ async function main() {
 
         process.env.ANSIBLE_FORCE_COLOR = "True"
 
-        await exec.exec(cmd.join(' '))
+        let output = ""
+        await exec.exec(cmd.join(' '), null, {
+          listeners: {
+            stdout: function(data) {
+              output += data.toString()
+            },
+            stderr: function(data) {
+              output += data.toString()
+            }
+          }
+        })
+        core.setOutput("output", output)
     } catch (error) {
         core.setFailed(error.message)
     }