openui/open-ui

Features

• Standard UI Component Libraries - Provides a collection of universal interface element patterns based on open web standards.
• Browser Compatibility Layers - Adds compatibility layers and polyfill management to provide modern UI control functionality across different browsers.
• Named Event Dispatchers - Uses a centralized event system with namespaced identifiers to trigger specialized internal component behaviors.
• Web Accessibility Standards - Defines consistent behaviors and accessibility requirements for interface elements to ensure reliable assistive technology support.
• Design System - Establishes a shared language for component parts, states, and naming conventions to maintain visual and behavioral consistency.
• Custom Event Dispatchers - Dispatches a specialized event to a target element using a namespaced identifier to trigger custom behaviors.
• Accessibility State Synchronization - Implements automatic updates of accessibility attributes to ensure assistive technologies reflect the real-time state of interface elements.
• List Components - Displays a group of sequential items supporting bulleting, numbering, compound content, and basic selection.
• Drop-Down Menus - Builds a popover list of actions that anchors to an invoking button and handles focus shifts automatically.
• Declarative Action Associations - Executes built-in behaviors on a target element via a declarative association without requiring custom scripts.
• Interactive Menu Items - Creates interactive elements within menus to trigger actions, open submenus, or track checked states.
• Menu Bars - Defines a horizontal group of menu items that invoke commands or open submenus with built-in keyboard navigation.
• Modal Components - Renders a focused window or dialog box that users interact with to perform a specific task within an application.
• Overlay Visibility Controls - Controls the visibility of popovers and dialogs by linking a trigger element to the target overlay.
• Specification-Driven Component Mappings - Maps universal patterns and naming conventions to interface elements to ensure consistent behavior across different platforms.
• Standardized UI Control Patterns - Defines universal patterns and naming conventions for interface elements to create consistent web standards.
• UI Specifications - Provides detailed technical definitions and standards for universal UI components, behaviors, and accessibility requirements.
• Declarative Behavior Composition - Provides a system for linking triggers to target elements via attributes to execute component logic directly within markup.
• Extensible Control Polyfills - Provides polyfills that implement modern extensible UI control functionality in environments lacking native browser support.
• Feature Detection Polyfills - Provides fallback logic and runtime utilities to emulate modern UI control functionality in browsers lacking native support.
• Standardized Web Components - Provides reusable UI elements like comboboxes and modals built using semantic markup and universal accessibility standards.
• Web Accessibility Polyfills - Provides a compatibility layer that implements modern extensible UI control functionality and accessibility states.
• Web Standards - Drafts technical requirements and test suites to resolve browser gaps and improve native web language specifications.
• UI Component Test Suites - Utilizes standardized test suites to verify that UI components meet defined behavioral and accessibility requirements.
• Element Focus Controllers - Controls whether an element and its subtree are keyboard-focusable while retaining other forms of interactivity like mouse clicks.
• Tick Mark Association - Links a list of predefined values to a range group to render consistent tick marks and labels across a slider track.
• Web Language Proposals - Develops technical specifications to resolve gaps in native browser capabilities and interface element behaviors.
• Compatibility Suites - Ships a set of standardized tests and fallback mechanisms to verify that components meet behavioral and accessibility requirements.
• Accordions - Includes interactive accordion components that expand and collapse content sections.
• Badge Components - Ships badge components for displaying status indicators or numerical counts within the interface.
• Card Components - Provides card components to group related content such as images, text, and actions into visual units.
• Carousel Components - Includes carousel components for cycling through sets of content or images within a single container.
• Menu Category Grouping - Organizes menu items into captioned sections and manages shared state for radio or checkbox selections.
• Checkbox Components - Provides checkbox components supporting binary checked and indeterminate states.
• Collapsible Content Widgets - Includes collapsible disclosure widgets that toggle the visibility of detailed content.
• Comboboxes - Implements searchable comboboxes that filter results in a popover as the user types.
• State-Exposing Pseudo-Elements - Exposes internal component parts and states through CSS pseudo-elements to allow visual skinning without rebuilding logic.
• Range Segment Styling - Targets track areas between handles using pseudo-elements to apply distinct colors or styles to specific range segments.
• Checkbox Inputs - Implements checkbox input controls for boolean values and multiple-item selection.
• Generic Button Components - Implements clickable button components with configurable styles and states to trigger user actions.
• Breadcrumbs - Provides breadcrumb navigation trails to show the user's current location within a site hierarchy.
• Comboboxes - Provides combobox input controls that combine a text field with a selectable dropdown list.
• Custom Select Styling - Renders a select menu with custom HTML and CSS to include rich content within options and custom listbox wrappers.
• Option List Searching - Locates options in a dropdown list using matching strategies such as pattern matching, prefix matching, or substring inclusion.
• Select Trigger Buttons - Substitutes the default dropdown button with a custom element to control the look and behavior of the menu trigger.
• Multi-Handle Range Support - Groups multiple range sliders into a single track with draggable handles for selecting spans or multiple points.
• DOM-Cloning Synchronization - Allows the structure of a selected option to be duplicated into a trigger element for flexible visual representations.
• Status Message Displays - Presents brief, high-priority information to the user without interrupting their task while remaining accessible to screen readers.
• Component Styling - Defines the parts, states, and behaviors of native web controls to allow visual styling without rebuilding functionality.
• State-Based Style Application - Applies specific styles to an element based on whether a user is currently showing interest via dedicated pseudo-classes.

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