Folder Structure for https://github.com/jthegedus/firebase-gcp-examples/tree/master/firebase-cloud_functions-compiled_code example

jthegedus|firebase-gcp-examples|firebase-cloud_functions-compiled_code|folder_structure

+- dist/           # compiled code
|  |
|  +- index.js     # CF entrypoint, defined by pkg.json "main" field
|  +- index.js.map # maps compiled to raw source in ../src/
+- node_modules/   # ignored by firebase-tools on upload
+- src/            # raw source code to compile
|  |
|  +- index.<ext>  # entrypoint to compile
+- <config file>   # config file depending on the tool
+- .firebaserc     # firebase project identification config
+- firebase.json   # folder to deploy (this folder)
+- package.json    # deps, entrypoint (main field) & npm scripts