[Feature]: support function folders without a function.jsonc file

[kfirstri]

Feature request

Today we expect the functions// folder to have a function.jsonc/json file specifying information about the project,
We want to be able to support the options to have just a index.ts file inside function folder and support this as default.

for example:

functions/my-func/
-- function.json
-- index.ts
functions/other-func/
-- index.ts

in this case we will recognize 2 functions -

1. the my-func folder, the function name is taken from the function.json file "name" field, and the "entry" is used
2. the other-func, we automatically grab the "index.ts" file (only valid name), and the function name will be other-func, or any folder name kebab-cased.

@claude please go over the code, plan and implement this feature, we should be able to handle it in the readProjectConfig and then in the push

[claude]

Claude finished @kfirstri's task in 4m 6s —— View job • claude/issue-130-20260127-0925 • Create PR ➔

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Implementation Complete! ✅

I've successfully implemented support for function folders without function.jsonc files.

Tasks

• Read repository guidelines (CLAUDE.md)
• Explore codebase structure and understand current function discovery
• Analyze readProjectConfig implementation
• Analyze push command implementation
• Implement auto-detection for index.ts files
• Create test fixtures and tests
• Commit and push changes
• Create PR link

Implementation Summary

What's New:
The CLI now supports two types of function folders:

1. With config file - functions/my-func/function.jsonc + index.ts (existing behavior)
2. Without config file - functions/other-func/index.ts only (new feature)

For folders without config files:

• The CLI automatically detects index.ts as the entry point
• Function name is derived from the folder name using kebab-case
• Example: MyComplexFunc/ folder becomes function name my-complex-func

Modified Files:

• src/core/resources/function/config.ts - Added auto-detection logic
  • New readFunctionFromDirectory() function for auto-detection
  • Updated readAllFunctions() to scan for both types
• tests/core/project.test.ts - Added comprehensive test case
• Created test fixtures with 3 functions to verify all scenarios

Key Features:

• ✅ Backward compatible with existing function.json/function.jsonc files
• ✅ Auto-detects index.ts in function folders
• ✅ Function names generated from folder names (kebab-cased)
• ✅ Maintains duplicate name checking
• ✅ Works seamlessly with the push/deploy command

Example Structure:

functions/
├── my-func/              # Uses config file
│   ├── function.jsonc    # name: "my-func", entry: "index.ts"
│   └── index.ts
└── other-func/           # Auto-detected (NEW!)
    └── index.ts          # Function name becomes "other-func"

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| Branch: claude/issue-130-20260127-0925