PromptVaultExtract a pure core from effect-heavy code
For engineers separating business decisions from I/O without changing observable behavior.
Works with
- Cursor
- GitHub Copilot
The prompt290 words · 4 blanks
What you fill in
- Code to refactor
[code_context]ExampleOrder submission service, its repository adapter, and existing tests - Effect boundary
[effect_boundary]Examplepayment authorization and order persistence - Implementation language
[implementation_language]ExampleTypeScript - Compatibility policy
[compatibility_policy]ExampleNo public signature or schema changes
How to use it
- 1Open it in PromptVault. Find it in Coding, or search for “Extract a pure core from effect-heavy code”.
- 2Fill in the 4 blanks. code to refactor, effect boundary, implementation language and compatibility policy — the only things the prompt cannot know.
- 3Copy and paste it into Cursor. It also works with GitHub Copilot.
About this prompt
“Extract a pure core from effect-heavy code” is a intermediate coding prompt. For engineers separating business decisions from I/O without changing observable behavior. It is 290 words long and written to get a usable answer on the first message, in Cursor and GitHub Copilot or any other chat assistant. Good for: refactoring, architecture, testing, code review and deep dive. Like every prompt in PromptVault, it was written and edited in-house, and it works offline once the app is installed.
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