Adding ability to return headers without setting debug mode (#51)

* Update httpClient.js
* Update README.md
* Update action.yml

Co-authored-by: Nick Hills <nick.hills@valtech.com>

README.md

@@ -48,6 +48,7 @@ jobs:
 | Variable |  Description  |
 |---|---|
 `response` | Response as JSON String
+`headers` | Headers
 
 To display HTTP response data in the GitHub Actions log give the request an `id` and access its `outputs`. You can also access specific field from the response data using [fromJson()](https://docs.github.com/en/actions/learn-github-actions/expressions#fromjson) expression.
 
@@ -61,6 +62,7 @@ steps:
   - name: Show Response
     run: |
       echo ${{ steps.myRequest.outputs.response }}
+      echo ${{ steps.myRequest.outputs.headers }}
       echo ${{ fromJson(steps.myRequest.outputs.response).field_you_want_to_access }}
 ```
 

action.yml

@@ -53,6 +53,8 @@ inputs:
 outputs:
     response:
         description: 'HTTP Response Content'
+    headers:
+        description: 'HTTP Response Headers'
 runs:
     using: 'node16'
     main: 'dist/index.js'

dist/index.js

@@ -1968,6 +1968,8 @@ const request = async({ method, instanceConfig, data, files, file, actions, igno
     const response = await instance.request(requestData)
 
     actions.setOutput('response', JSON.stringify(response.data))
+    
+    actions.setOutput('headers', response.headers)
   } catch (error) {
     if ((typeof error === 'object') && (error.isAxiosError === true)) {
       const { name, message, code, response } = error

src/httpClient.js

@@ -68,6 +68,8 @@ const request = async({ method, instanceConfig, data, files, file, actions, igno
     const response = await instance.request(requestData)
 
     actions.setOutput('response', JSON.stringify(response.data))
+    
+    actions.setOutput('headers', response.headers)
   } catch (error) {
     if ((typeof error === 'object') && (error.isAxiosError === true)) {
       const { name, message, code, response } = error