pmndrs/leva

Features

• Interactive Control Panels - Provides a fully interactive control panel for real-time parameter tuning and application state monitoring.
• Plugin-Based Input Extensions - Ships a diverse collection of input widgets and a plugin system for creating custom data controls.
• Custom Debug Panels - Provides custom debug panels for testing value ranges and configurations during the development process.
• Dynamic UI Debuggers - Acts as a runtime utility for inspecting and modifying user interface parameters and application state in real time.
• Real-Time Application Prototyping - Enables rapid iteration of UI behaviors by linking live controls to internal application logic and state.
• Real-Time Variable Controllers - Implements a graphical interface for the real-time manipulation of application variables during development.
• Object State Syncing - Synchronizes interface values from external sources and reads current states to maintain consistency with application logic.
• Creative Coding Frameworks - Facilitates the management of complex numerical and color parameters typical in creative coding and interactive graphics.
• Plugin Extenders - Supports extending the core application functionality by loading custom input types and behaviors via a plugin system.
• Dynamic UI Generators - Dynamically generates the control interface based on a configuration object defining input types and constraints.
• Global State Stores - Uses a centralized data store to synchronize external application variables with the internal UI state.
• Custom Data Input Components - Provides a plugin system for developing specialized visual widgets to handle unique data types.
• Custom Component Extensions - Enables developers to integrate custom React components as specialized input widgets within the control panel.
• Custom Input Overrides - Provides the ability to replace default input components with custom plugin implementations for unique data types.
• Real-Time Data Editors - Provides a real-time data editor that allows users to modify application variables and see results immediately reflected.
• Type-Inferred Widget Mapping - Automatically maps data types to the most appropriate visual widget, such as sliders for numbers or checkboxes for booleans.
• Value Change Triggers - Triggers custom callbacks when values are modified or when users start and end editing interactions.
• State Lifecycle Callbacks - Triggers callbacks when a user starts and finishes interacting with a control to optimize performance for expensive operations.
• Interaction Lifecycle Interception - Allows optimization of expensive operations by tracking when a user starts and finishes interacting with a control.
• Controller-Initiated State Updates - Allows updating the control panel's state programmatically via getter and setter methods from external application logic.
• Reactive Input Schema Updates - Updates available controls and their schema automatically when external variables or application state change.
• Conditional Input Logic - Provides dynamic form behaviors that show or hide specific input fields based on the current state of other controls.
• Media and Color Inputs - Ships integrated color pickers with multiple format support and image upload fields that return data URLs.
• Numeric Inputs - Provides specialized numerical inputs including sliders and joystick controls for adjusting single values, ranges, and vectors.
• Multi-Store Panel Instances - Supports generating separate visual interfaces tied to distinct data stores to organize variables into different groups.
• Text Input Fields - Includes various text and choice inputs such as text areas, boolean toggles, and labeled dropdown menus.
• Input Change Observers - Allows executing custom logic on input changes to update targets imperatively without triggering full component rerenders.
• User Interface - React-first components GUI.

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