26 lines
1.3 KiB
TypeScript
26 lines
1.3 KiB
TypeScript
import type { FocusableTarget } from "./focus.js";
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export declare const isBrowser: boolean;
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export declare const isIOS: boolean | "";
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export declare function isFunction(value: unknown): value is (...args: unknown[]) => unknown;
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export declare function isHTMLElement(element: unknown): element is HTMLElement;
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export declare function isElement(element: unknown): element is Element;
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export declare function isElementOrSVGElement(element: unknown): element is Element | SVGElement;
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export declare function isNumberString(value: string): boolean;
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export declare function isNull(value: unknown): value is null;
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export declare function isTouch(e: PointerEvent): boolean;
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export declare function isFocusVisible(element: Element): boolean;
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export declare function isNotNull<T>(value: T | null): value is T;
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/**
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* Determines if the provided object is a valid `HTMLInputElement` with
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* a `select` method available.
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*/
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export declare function isSelectableInput(element: unknown): element is FocusableTarget & {
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select: () => void;
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};
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/**
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* Given a node, determine if it is hidden by walking up the
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* DOM tree until we hit the `stopAt` node (exclusive), if provided)
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* otherwise we stop at the document root.
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*/
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export declare function isElementHidden(node: HTMLElement, stopAt?: HTMLElement): boolean;
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