add diagnostics on import error

Author: Ankcorn

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+
+## [0.1.19] 2023-08-06
+
+- Improve diagnostics on import error
 ## [0.1.18] 2023-07-24
 
 - Improved robustness of callback support

ManualInstrumentation ManualInstrumentation.mdManualInstrumentation renamed to ManualInstrumentation.md

@@ -11,8 +11,13 @@ if (!stage) {
 }
 
 function deployToRegion(region: string) {
-    const result = execSync(`npm run deploy -- --stage ${stage} --region ${region}`)
-    console.log(result.toString())
+    try {
+        const result = execSync(`npm run deploy -- --stage ${stage} --region ${region}`)
+        console.log(result.toString())
+    } catch(error) {
+        console.log(error)
+    }
+   
 }
 
 async function addLayerToChangeLog() {

multi-region-deploy.ts

@@ -1,16 +1,6 @@
 {
     "regions": [
-        "eu-west-2",
-        "eu-west-1",
-        "us-east-1",
-        "us-east-2",
-        "us-west-2",
-        "eu-central-1",
-        "ap-south-1",
-        "ap-southeast-1",
-        "ap-southeast-2",
-        "ap-northeast-1",
-        "ca-central-1"
+        "us-west-1"
     ],
     "output": "md"
 }

multiRegion.json

@@ -1,6 +1,6 @@
 {
   "name": "@baselime/lambda-node-opentelemetry",
-  "version": "0.1.18",
+  "version": "0.1.19",
   "description": "OpenTelemetry auto tracer for Node.JS based AWS Lambda functions",
   "keywords": [
     "nodejs",

package.json

@@ -4,6 +4,7 @@ async function _tryImport(path:string) {
     try {
         return await import(path);
     } catch(err) {
+        console.error(err)
         return false;
     }
 }
@@ -12,6 +13,7 @@ function _tryRequire(path: string) {
     try {
         return require(path);
     } catch(err) {
+        console.error(err)
         return false;
     }
 }
@@ -24,7 +26,7 @@ export async function load(taskRoot: string, originalHandler: string) {
     const functionName = pathDetails.ext.slice(1);
 
     const functionPath = path.resolve(taskRoot, pathDetails.dir, pathDetails.name);
-
+    
     const lambda = await _tryImport(functionPath + '.js') || await _tryImport(functionPath + '.mjs')
 
     if (!lambda) {

src/loader.ts

@@ -11,4 +11,13 @@ describe('load()', () => {
         expect(handler).toBeInstanceOf(Function);
 
     })
+
+    it('should load with no path', async () => {
+        const taskRoot = path.resolve(__dirname, 'data');
+        const originalHandler = 'index.main';
+
+        const handler = await load(taskRoot, originalHandler);
+        expect(handler).toBeInstanceOf(Function);
+      
+    })
 });