Webpack fails to resolve bpmn-moddle dependency in Rails 6 application with bpmn-js

[snawar92]

Description

When trying to use bpmn-js in a Rails 6 application with webpack, the compilation fails due to an unresolved dependency bpmn-moddle

Ruby version:3.0.0
Rails version:6.1.7
Webpacker version:5.4.4
Node version:18

Steps to Reproduce

1. Create a new Rails application with webpack
2. Install bpmn-js via npm/yarn
3. Import BpmnJS in application.js
4. Run webpack compilation

Expected Behavior

Webpack should successfully compile the application with all bpmn-js dependencies resolved.

Actual Behavior

Webpack fails to compile due to missing bpmn-moddle dependency, despite it being a sub-dependency of bpmn-js.

Error Message

ModuleNotFoundError: Module not found: Error: Can't resolve 'bpmn-moddle' in '[path]/node_modules/bpmn-js/lib'

Attempted Solutions

• Verified that bpmn-moddle is present in node_modules
• Confirmed the setup works in a standard Node.js application

[snawar92]

@excid3 can you help me on above ?