fix: use cdk annotations for logs and errors

src/NodeJsFunctionBundleAnalyzerAspect.ts

@@ -1,9 +1,9 @@
-import { IAspect } from 'aws-cdk-lib';
+import { Annotations, IAspect } from 'aws-cdk-lib';
 import { CfnFunction } from 'aws-cdk-lib/aws-lambda';
 import { NodejsFunction } from 'aws-cdk-lib/aws-lambda-nodejs';
 import { IConstruct } from 'constructs';
 import { Metadata, TemplateType, visualizer } from 'esbuild-visualizer';
-import { promises as fs } from 'fs';
+import { existsSync, promises as fs } from 'fs';
 import open from 'open';
 import { tmpdir } from 'os';
 import { dirname, join } from 'path';
@@ -43,36 +43,35 @@ class NodeJsFunctionBundleAnalyzerAspect implements IAspect {
     }
     const template = node.node.tryGetContext('template') as TemplateType | undefined;
 
-    if (template !== undefined && !['sunburst', 'treemap', 'network'].includes(template)) {
-      throw new Error(
-        `🤯 Analyze failed: template ${template} is not supported. Should be one of 'sunburst', 'treemap', 'network'`,
-      );
-    }
-
     if (isNodejsFunction(node, this.customFunctionConstructName)) {
       if (!node.toString().includes(functionToAnalyze)) {
         return;
       }
 
-      console.log(`\n⏳ Analyzing function ${functionToAnalyze}`);
+      if (template !== undefined && !['sunburst', 'treemap', 'network'].includes(template)) {
+        Annotations.of(node).addError(
+          `🤯 Analyze failed: template ${template} is not supported. Should be one of 'sunburst', 'treemap', 'network'`,
+        );
+
+        return;
+      }
+
+      Annotations.of(node).addInfo('⏳ Analyzing function');
 
       const assetPath = (node.node.defaultChild as CfnFunction).cfnOptions.metadata?.[
         'aws:asset:path'
       ] as string;
       const metafilePath = join('cdk.out', assetPath, 'index.meta.json');
 
-      let textContent: string;
-      try {
-        textContent = await fs.readFile(metafilePath, {
-          encoding: 'utf-8',
-        });
-      } catch (e) {
-        console.error(
-          `\n🤯 Analyze failed: metafile ${metafilePath} not found. Did you set metafile: true in the bundling options of the ${functionToAnalyze} NodejsFunction construct?\n`,
+      const metafileExists = existsSync(metafilePath);
+      if (!metafileExists) {
+        Annotations.of(node).addError(
+          `🤯 Analyze failed: metafile ${metafilePath} not found. Make sure metafile: true is specified in the bundling options?`,
         );
 
-        throw new Error('Analyze failed');
+        return;
       }
+      const textContent = await fs.readFile(metafilePath, { encoding: 'utf-8' });
 
       const jsonContent = JSON.parse(textContent) as Metadata;