prophecy-engine

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.