MermaidCli generation fallbacks

CHANGELOG.md

@@ -6,6 +6,7 @@ Note: Can be used with `sfdx plugins:install sfdx-hardis@beta` and docker image
 
 - Visual flow management, using MermaidJs
   - [hardis:doc:project2markdown](https://sfdx-hardis.cloudity.com/hardis/doc/project2markdown/): Add a markdown file for each Flow
+    - If unable to run mermaid-cli, store markdown with mermaidJs diagram content anyway (can happen from Monitoning Backup Command)
   - [hardis:doc:flow2markdown](https://sfdx-hardis.cloudity.com/hardis/doc/flow2markdown/): Generate the markdown documentation of a single flow (available from VsCode extension)
   - [hardis:project:generate:flow-git-diff](https://sfdx-hardis.cloudity.com/hardis/project/generate/flow-git-diff/): Generate the visual git diff for a single flow (available from VsCode extension)
   - [hardis:project:deploy:smart](https://sfdx-hardis.cloudity.com/hardis/project/deploy/smart/): Add visual git diff for flows updated by a Pull Request

src/commands/hardis/doc/project2markdown.ts

@@ -138,6 +138,7 @@ Run \`npm install @mermaid-js/mermaid-cli --global\`
     const packageDirs = this.project?.getPackageDirectories();
     const flowFiles = await listFlowFiles(packageDirs);
     const flowErrors: string[] = [];
+    const flowWarnings: string[] = [];
     const flowDescriptions: any[] = [];
     for (const flowFile of flowFiles) {
       uxLog(this, c.grey(`Generating markdown for Flow ${flowFile}...`));
@@ -160,11 +161,14 @@ Run \`npm install @mermaid-js/mermaid-cli --global\`
       }
       const gen2res = await generateMarkdownFileWithMermaid(outputFlowMdFile);
       if (!gen2res) {
-        flowErrors.push(flowFile);
+        flowWarnings.push(flowFile);
         continue;
       }
     }
-    uxLog(this, c.green(`Successfully generated ${flowFiles.length - flowErrors.length} Flows documentation`));
+    uxLog(this, c.green(`Successfully generated ${flowFiles.length - flowWarnings.length - flowErrors.length} Flows documentation`));
+    if (flowErrors.length > 0) {
+      uxLog(this, c.yellow(`Partially generated documentation (Markdown with mermaidJs but without SVG) for ${flowWarnings.length} Flows: ${flowWarnings.join(", ")}`));
+    }
     if (flowErrors.length > 0) {
       uxLog(this, c.yellow(`Error generating documentation for ${flowErrors.length} Flows: ${flowErrors.join(", ")}`));
     }