v0.5.0 - First public release

[alaa-eddine]

• Core Charting Engine

  • High-performance Candlestick (OHLCV) charts built on Apache ECharts.
  • Efficient incremental data updates for real-time trading applications.
  • Multi-pane layout system allowing stacked indicators with independent Y-axes.
  • Support for overlay indicators on the main price chart.
  • Integrated zoom and pan controls (DataZoom) with configurable positioning.

• Interactive Drawing System

  • A plugin architecture for extending chart functionality.
  • Line Tool: Draw trend lines, support/resistance, and rays.
  • Fibonacci Retracement: Interactive tool with customizable levels, ratios, and background shading.
  • Measure Tool: Quickly calculate price percentage changes and bar counts between two points.
  • Full drawing lifecycle management: selection, dragging, point adjustment, and deletion.

• Layout & User Interface

  • Dynamic pane controls: Collapse, Maximize, and Restore functionality for all chart areas.
  • Flexible "Databox" (Tooltip) system supporting Left Sidebar, Right Sidebar, or Floating modes.
  • Fullscreen support for an immersive trading experience.
  • Customizable theme options including colors (up/down/background), fonts, and spacing.

• Developer Experience

  • First-class TypeScript support with full type definitions.
  • Comprehensive Event API for tracking user interactions (clicks, hovers, zooms).
  • Modular internal architecture (LayoutManager, SeriesBuilder, GraphicBuilder).
  • Automated documentation workflows via GitHub Actions.