Fix undefined exception by checking if artifact exists (#342)

* Fix undefined exception by checking if artifact exists

* Update main.js

* npm prepare

---------

Co-authored-by: Zennon Gosalvez <1798166+zgosalvez@users.noreply.github.com>

Author: DanielleHuisman

.github/workflows/ci.yml

@@ -24,6 +24,7 @@ jobs:
       uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
       with:
         ref: ${{ github.head_ref }} # https://github.com/stefanzweifel/git-auto-commit-action#checkout-the-correct-branch
+        repository: ${{ github.event.pull_request.head.repo.full_name }}
     - name: Get runs.using version
       id: get-runs-using-version
       uses: zgosalvez/github-actions-get-action-runs-using-version@0a8dcac2c28bdcbfcbdca07d46bae8eab7930dc2

action.yml

@@ -32,6 +32,8 @@ inputs:
 outputs:
   total-coverage:
       description: 'The total coverage from scanned files.'
+  artifact-id:
+      description: 'The GitHub artifact id for the generated HTML report.'
 
 runs:
   using: 'node24'

dist/main/index.js

@@ -46,6 +46,8 @@ async function run() {
 
       if (artifact) {
         body += `\n[Full coverage report](../actions/runs/${github.context.runId}/artifacts/${artifact.id})`;
+
+        core.setOutput('artifact-id', artifact.id);
       }
 
       updateComment ? await upsertComment(body, commentHeaderPrefix, octokit) : await createComment(body, octokit);
@@ -58,7 +60,6 @@ async function run() {
     }
 
     core.setOutput("total-coverage", totalCoverage);
-    core.setOutput('artifact-id', artifact.id);
 
     if (!isMinimumCoverageReached) {
       throw Error(errorMessage);