Prophecy is a JavaScript library for modelling budgets and account transaction data. It is used to power Ratio.
Budgeting features:
- Multi-currency support
- Transactions model actual or predicted/future account transactions
- Transactions can include arbitrary metadata defined by the user
- Categories define budgets like "$15/day for lunch" with a lot of flexibility
- Categories can include arbitrary metadata defined by the user
API features:
- Only one dependency, Immutable.js
- Fully immutable API.
- Can be used as a Redux state
- Includes a redux reducer and complete action API
- Redux actions can be "inverted" for powerful undo/redo functionality.
- Full test suite
- Easy serialization to/from JSON
Prophecy is available on NPM as prophecy-engine.