TanStack
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TanStack Router is a type-safe, data-driven React router with built-in caching, prefetching, and nested layouts, while TanStack Start extends it into a full-stack SSR framework.
AI repository intelligence
FR-AI / ANALYSISWhy it is worth attention
It ships as an MIT-licensed, TypeScript-ready React library that turns a JSON rule document into an editable AND/OR builder, a runtime evaluator, a Mermaid/workflow graph, and a debugger, all through a data-driven schema.
Who it is for
- React developers building configurable policy or approval UIs
- Product teams embedding no-code rule editors in their apps
- Developers who need rules to be portable via Mermaid or workflow graphs
- Teams wanting client- or server-side JSON rule evaluation
Use cases
- Let users visually author expense approval rules with nested conditions and actions
- Evaluate rules against fact objects to determine branch and triggered actions
- Export rules as Mermaid diagrams or workflow graphs for documentation and interchange
- Step through rule evaluation in debug playback to trace pass/fail per node
Strengths
- TypeScript-ready and MIT-licensed with React 18+ support
- Data-driven custom schema for fields, operators, and actions
- Round-trip conversion between rule documents, workflow graphs, and Mermaid
- Includes a debug player, theming options, and a headless debug plan builder
Considerations
- Requires React 18+ and importing rulebuilder/styles.css
- Mermaid round-trip relies on embedded metadata comments, so arbitrary external Mermaid may not map back cleanly
- The builder is focused on the WHEN/THEN rule shape rather than general-purpose workflow editing
README quick start
Quick start (in your app)
Description
React basd rule builder
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