Bug: sam init with nodejs + typescript generate code which can't run local start-api

[josser]

Description:

I'm trying to run sam local start-api with node+typescript code. And turns out even if I use code from generated hello-world example it can't run.

Steps to reproduce:

sam init

You can preselect a particular runtime or package type when using the sam init experience.
Call sam init --help to learn more.

Which template source would you like to use?
1 - AWS Quick Start Templates
2 - Custom Template Location
Choice: 1

Choose an AWS Quick Start application template
1 - Hello World Example
2 - Data processing
3 - Hello World Example with Powertools for AWS Lambda
4 - Multi-step workflow
5 - Scheduled task
6 - Standalone function
7 - Serverless API
8 - Infrastructure event management
9 - Lambda Response Streaming
10 - GraphQLApi Hello World Example
11 - Full Stack
12 - Lambda EFS example
13 - Serverless Connector Hello World Example
14 - Multi-step workflow with Connectors
15 - DynamoDB Example
16 - Machine Learning
Template: 1

Use the most popular runtime and package type? (python3.13 and zip) [y/N]:

Which runtime would you like to use?
1 - dotnet8
2 - dotnet6
3 - go (provided.al2)
4 - go (provided.al2023)
5 - graalvm.java11 (provided.al2)
6 - graalvm.java17 (provided.al2)
7 - java21
8 - java17
9 - java11
10 - java8.al2
11 - nodejs22.x
12 - nodejs20.x
13 - nodejs18.x
14 - python3.9
15 - python3.8
16 - python3.13
17 - python3.12
18 - python3.11
19 - python3.10
20 - ruby3.3
21 - ruby3.2
22 - rust (provided.al2)
23 - rust (provided.al2023)
Runtime: 13

What package type would you like to use?
1 - Zip
2 - Image
Package type: 1

Based on your selections, the only dependency manager available is npm.
We will proceed copying the template using npm.

Select your starter template
1 - Hello World Example
2 - Hello World Example TypeScript
Template: 2

Would you like to enable X-Ray tracing on the function(s) in your application? [y/N]:

Would you like to enable monitoring using CloudWatch Application Insights?
For more info, please view https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch-application-insights.html [y/N]:

Would you like to set Structured Logging in JSON format on your Lambda functions? [y/N]:

Project name [sam-app]:

-----------------------
Generating application:
-----------------------
Name: sam-app
Runtime: nodejs18.x
Architectures: x86_64
Dependency Manager: npm
Application Template: hello-world-typescript
Output Directory: .
Configuration file: sam-app/samconfig.toml

cd sam-app
~/Projects/sam-test/sam-app sam local start-api --port 5000

Observed result:

No current session found, using default AWS::AccountId
Initializing the lambda functions containers.
Local image is up-to-date
Using local image: public.ecr.aws/lambda/nodejs:18-rapid-x86_64.

Mounting /Users/josser/Projects/sam-test/sam-app/hello-world as /var/task:ro,delegated, inside runtime container
Containers Initialization is done.
Mounting HelloWorldFunction at http://127.0.0.1:5000/hello [GET]
You can now browse to the above endpoints to invoke your functions. You do not need to restart/reload SAM CLI while working on your functions, changes will be reflected instantly/automatically. If you
used sam build before running local commands, you will need to re-run sam build for the changes to be picked up. You only need to restart SAM CLI if you update your AWS SAM template
2025-01-23 13:35:55 WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.

• Running on http://127.0.0.1:5000
  2025-01-23 13:35:55 Press CTRL+C to quit
  Invoking app.lambdaHandler (nodejs18.x)
  Reuse the created warm container for Lambda function 'HelloWorldFunction'
  Lambda function 'HelloWorldFunction' is already running
  START RequestId: a0dd347c-b5a4-4199-8dea-3242f90e0e68 Version: $LATEST
  2025-01-23T11:36:01.126Z undefined ERROR Uncaught Exception {"errorType":"Runtime.ImportModuleError","errorMessage":"Error: Cannot find module 'app'\nRequire stack:\n- /var/runtime/index.mjs","stack":["Runtime.ImportModuleError: Error: Cannot find module 'app'","Require stack:","- /var/runtime/index.mjs"," at _loadUserApp (file:///var/runtime/index.mjs:1087:17)"," at async UserFunction.js.module.exports.load (file:///var/runtime/index.mjs:1119:21)"," at async start (file:///var/runtime/index.mjs:1282:23)"," at async file:///var/runtime/index.mjs:1288:1"]}
  23 Jan 2025 11:36:01,232 [ERROR] (rapid) Init failed error=Runtime exited with error: exit status 129 InvokeID=
  23 Jan 2025 11:36:01,248 [ERROR] (rapid) Invoke failed error=Runtime exited with error: exit status 129 InvokeID=a7cbd377-2a67-4651-9d8b-8837110f632a
  23 Jan 2025 11:36:01,249 [ERROR] (rapid) Invoke DONE failed: Sandbox.Failure

Expected result:

Hello world is executed

Additional environment details (Ex: Windows, Mac, Amazon Linux etc)

1. OS: MacOS 15.2
2. sam --version: SAM CLI, version 1.132.0
3. AWS region: paris

sam --info                                                                                                                      
{
  "version": "1.132.0",
  "system": {
    "python": "3.13.1",
    "os": "macOS-15.2-arm64-arm-64bit-Mach-O"
  },
  "additional_dependencies": {
    "docker_engine": "27.4.0",
    "aws_cdk": "Not available",
    "terraform": "Not available"
  },
  "available_beta_feature_env_vars": [
    "SAM_CLI_BETA_FEATURES",
    "SAM_CLI_BETA_BUILD_PERFORMANCE",
    "SAM_CLI_BETA_TERRAFORM_SUPPORT",
    "SAM_CLI_BETA_RUST_CARGO_LAMBDA"
  ]
}

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