@furystack/shades/esm/view-transition.d.ts

A lightweight UI framework for FuryStack with JSX support

/**
 * Configuration for the View Transition API integration.
 * When provided as an object, allows specifying transition types for CSS targeting
 * via the `:active-view-transition-type()` pseudo-class.
 */
export type ViewTransitionConfig = {
    types?: string[];
};
/**
 * Runs `update` inside `document.startViewTransition()` when the API is
 * available and `config` is truthy; otherwise calls `update` synchronously.
 *
 * The returned promise (when a transition starts) resolves once the update
 * callback completes inside the transition — callers that need to chain
 * lifecycle work after the DOM swap can `await` it. Returns `undefined`
 * when no transition is used.
 */
export declare const maybeViewTransition: (config: boolean | ViewTransitionConfig | undefined, update: () => void) => Promise<void> | undefined;
/**
 * Decouples a component's "displayed" value from its source. When `value`
 * changes and `shouldTransition(prev, next)` returns true, the swap is
 * routed through {@link maybeViewTransition}; otherwise the displayed
 * value updates synchronously. `shouldTransition` defaults to always-true.
 */
export declare const transitionedValue: <T>(useState: <S>(key: string, initialValue: S) => [S, (v: S) => void], key: string, value: T, config: boolean | ViewTransitionConfig | undefined, shouldTransition?: (prev: T, next: T) => boolean) => T;
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