Alignment attributes — JsonUI

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Data binding basics
What is JsonUI?

Why spec-first
One Layout JSON per screen
ViewModel-owned state
Data binding as contract
Hot reload everywhere
Responsive design
Screen composition
Screen identity and navigation assertion
Data models from OpenAPI (DTO + Domain)
Implementation contract check
DB schema check (docs/db ⇔ live DB)

The anatomy of a screen spec
Six ways to split a spec
Separating the layout file
Parent + sub specs
Component specs
Custom types
Collection cell classes
Validation + drift detection

Writing your first spec
API data models (cookbook)
Verifying implementation against docs
Referencing the API canon
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Unit contracts
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Writing screen tests
Mocking APIs in tests
Adding a new language
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Attribute reference
Component reference
JSON Schema
MCP tool API
CLI command reference
jui.config.json
Test tooling reference
Generated code

SwiftJsonUI
KotlinJsonUI
ReactJsonUI

jsonui-cli
jsonui-mcp-server
jsonui-doc
jsonui-test-runner
Agents for Claude / Codex
jsonui-helper (VS Code)

Drawn from the specs, checked against the flow tests

Attribute category · Reference

Attributes›alignment

alignment

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