write mermaid diagram to output

Author: maxim-lobanov

.github/workflows/manual.yml

@@ -36,4 +36,7 @@ jobs:
         github-token: '${{ secrets.GITHUB_TOKEN }}'
         include-legend: '${{ github.event.inputs.include-legend }}'
         include-finish-node: '${{ github.event.inputs.include-finish-node }}'
-        dry-run: '${{ github.event.inputs.dry-run }}'
+        dry-run: '${{ github.event.inputs.dry-run }}'
+    
+    - run: |
+        '${{ steps.build-issue-dependencies-graph.mermaid-diagram }}' > $GITHUB_OUTPUT

action.yml

@@ -23,6 +23,9 @@ inputs:
     description: 'Set this option to not update root issue with updated mermaid diagram and only print new diagram to output'
     required: false
     default: 'false'
+outputs:
+  mermaid-diagram:
+    description: 'Rendered markdown with mermaid diagram'
 runs:
   using: 'node16'
   main: 'dist/index.js'

dist/index.js

@@ -281,6 +281,7 @@ const run = async () => {
         const graph = graphBuilder.getGraph();
         const renderedContent = mermaidRender.render(graph);
         core.info("Rendering dependency graph into mermaid...");
+        core.setOutput("mermaid-diagram", renderedContent);
         core.startGroup("Mermaid diagram");
         core.info(renderedContent);
         core.endGroup();

src/main.ts

@@ -32,10 +32,11 @@ const run = async (): Promise<void> => {
         const renderedContent = mermaidRender.render(graph);
 
         core.info("Rendering dependency graph into mermaid...");
+        core.setOutput("mermaid-diagram", renderedContent);
         core.startGroup("Mermaid diagram");
         core.info(renderedContent);
         core.endGroup();
-
+        
         core.info("Preparing updated root issue content...");
         const updatedIssueContent = issueContentParser.replaceIssueContent(
             rootIssue,