East UI
UI component library for the East language
East UI provides typed UI component definitions for the East language. Components return data structures describing UI layouts rather than rendering directly, enabling portability across different rendering environments.
Packages
| Package | Description | npm |
|---|---|---|
| @elaraai/east-ui | Core UI component definitions | |
| @elaraai/east-ui-components | React rendering with Chakra UI | |
| east-ui-preview | VSCode extension for live preview | Marketplace |
Features
- Layout - Box, Stack, Grid, Splitter, Separator
- Typography - Text, Code, Heading, Link, Highlight, Mark, List, CodeBlock
- Buttons - Button, IconButton with variants
- Forms - Input, Select, Checkbox, Switch, Slider, Textarea, TagsInput, FileUpload
- Collections - Table, DataList, TreeView
- Charts - Area, Bar, Line, Pie, Radar, Scatter, Sparkline, BarList, BarSegment
- Display - Badge, Tag, Avatar, Stat, Icon
- Feedback - Alert, Progress
- Disclosure - Accordion, Tabs, Carousel
- Overlays - Dialog, Drawer, Popover, Tooltip, Menu, HoverCard, ToggleTip, ActionBar
Quick Start
npm install @elaraai/east-ui @elaraai/eastimport { East } from "@elaraai/east";
import { Stack, Text, Button, UIComponentType } from "@elaraai/east-ui";
const MyComponent = East.function([], UIComponentType, () => {
return Stack.Root([
Text.Root("Hello, World!", { fontSize: "xl", fontWeight: "bold" }),
Button.Root("Click Me", { variant: "solid", colorPalette: "blue" }),
], { gap: "4" });
});Development
# Install dependencies
npm install
# Build all packages
npm run build
# Run tests
npm test
# Run linter
npm run lintClaude Code plugin
The East ecosystem also ships a Claude Code plugin — East language skills, example search, and preemptive diagnostics for East code — installed separately from the elaraai marketplace:
# Inside Claude Code
/plugin marketplace add elaraai/east-workspace
/plugin install east@elaraai
# From a terminal
claude plugin marketplace add elaraai/east-workspace
claude plugin install east@elaraaiLicense
Dual-licensed:
- Open Source: AGPL-3.0 - Free for open source use
- Commercial: Available for proprietary use - contact support@elara.ai
Ecosystem
East: Statically typed, expression-based language with serializable IR. Run portable logic across TypeScript, Python, C, and other runtimes.
- @elaraai/east: Core language SDK with type system, expressions, and reference JS compiler
East Node: Node.js platform functions for I/O, databases, and system operations.
- @elaraai/east-node-std: Console, FileSystem, Fetch, Crypto, Time, Path, Random
- @elaraai/east-node-io: SQLite, PostgreSQL, MySQL, MongoDB, Redis, S3, FTP, SFTP, XLSX, XML, compression
- @elaraai/east-node-cli: CLI for running East IR programs in Node.js
East C: C11 native runtime for executing East IR. Distributed via npm (launcher + per-platform optional dependencies) and as tarballs on each GitHub Release.
- @elaraai/east-c-cli: npm launcher — installs the matching native binary as an optional dependency
east-c: Core runtime — type system, IR interpreter, builtins, serialization (Beast2, JSON, CSV, East text)east-c-std: Console, FileSystem, Fetch, Crypto, Time, Path, Randomeast-c-cli: CLI for running East IR programs natively
East Python: Python runtime, standard platform, I/O, and data-science platform functions. Published to PyPI.
- east-py: Core Python runtime — type system, IR compiler, 212+ builtins, Cython-accelerated hot paths
- east-py-std: Console, FileSystem, Fetch, Crypto, Time, Path, Random
- east-py-io: SQLite, PostgreSQL, MySQL, MongoDB, Redis, S3, FTP, SFTP, XLSX, XML, compression
- east-py-cli: CLI for running East IR programs in Python
- east-py-datascience (PyPI) + @elaraai/east-py-datascience (npm): Optimization (MADS, Optuna, ALNS, GoogleOR), ML (XGBoost, LightGBM, NGBoost, PyTorch, Lightning, GP), Bayesian inference (PyMC), explainability (SHAP), conformal prediction (MAPIE)
East UI: Typed UI component definitions and React renderer, plus VS Code preview.
- @elaraai/east-ui: 50+ typed UI components for layouts, forms, charts, tables, dialogs
- @elaraai/east-ui-components: React renderer with Chakra UI v3 styling
- @elaraai/e3-ui: e3 + UI bridge — Data bindings,
e3.ui()task, manifest - @elaraai/e3-ui-components: React Query hooks and preview components for the e3 API
- east-ui-preview: VS Code extension for live East UI component preview
e3 — East Execution Engine: Durable execution engine for running East pipelines at scale. Git-like content-addressable storage, automatic memoization, reactive dataflow, real-time monitoring.
- @elaraai/e3: SDK for authoring e3 packages with typed tasks and pipelines
- @elaraai/e3-core: Object store, dataflow orchestrator, execution state
- @elaraai/e3-types: Shared type definitions for e3 packages
- @elaraai/e3-cli:
e3 repo,e3 package,e3 workspace,e3 start,e3 watch,e3 logscommands - @elaraai/e3-api-client: HTTP client for remote e3 repositories
- @elaraai/e3-api-server: REST API server for e3 repositories
- @elaraai/e3-api-tests: Shared API compliance test suites
Links
- Live Showcase: https://elaraai.github.io/east-ui/
- Website: https://elaraai.com/
- East Repository: https://github.com/elaraai/east-workspace/tree/main/libs/east
- Issues: https://github.com/elaraai/east-workspace/issues
- Email: support@elara.ai
About Elara
East is developed by Elara AI Pty Ltd, an AI-powered platform that creates economic digital twins of businesses that optimize performance. Elara combines business objectives, decisions and data to help organizations make data-driven decisions across operations, purchasing, sales and customer engagement, and project and investment planning. East powers the computational layer of Elara solutions, enabling the expression of complex business logic and data in a simple, type-safe and portable language.
Developed by Elara AI Pty Ltd.
Developed by Elara AI Pty Ltd - Powering the computational layer of AI-driven business optimization.