| 1 | import { EventGroup } from './EventGroup';
|
| 2 | /**
|
| 3 | * Placing this attribute on scrollable divs optimizes detection to know
|
| 4 | * if the div is scrollable or not (given we can avoid expensive operations
|
| 5 | * like getComputedStyle.)
|
| 6 | *
|
| 7 | * @public
|
| 8 | */
|
| 9 | export declare const DATA_IS_SCROLLABLE_ATTRIBUTE = "data-is-scrollable";
|
| 10 | /**
|
| 11 | * Allows the user to scroll within a element,
|
| 12 | * while preventing the user from scrolling the body
|
| 13 | */
|
| 14 | export declare const allowScrollOnElement: (element: HTMLElement | null, events: EventGroup) => void;
|
| 15 | /**
|
| 16 | * Same as allowScrollOnElement but does not prevent overscrolling.
|
| 17 | */
|
| 18 | export declare const allowOverscrollOnElement: (element: HTMLElement | null, events: EventGroup) => void;
|
| 19 | /**
|
| 20 | * Disables the body scrolling.
|
| 21 | *
|
| 22 | * @public
|
| 23 | */
|
| 24 | export declare function disableBodyScroll(): void;
|
| 25 | /**
|
| 26 | * Enables the body scrolling.
|
| 27 | *
|
| 28 | * @public
|
| 29 | */
|
| 30 | export declare function enableBodyScroll(): void;
|
| 31 | /**
|
| 32 | * Calculates the width of a scrollbar for the browser/os.
|
| 33 | *
|
| 34 | * @public
|
| 35 | */
|
| 36 | export declare function getScrollbarWidth(): number;
|
| 37 | /**
|
| 38 | * Traverses up the DOM for the element with the data-is-scrollable=true attribute, or returns
|
| 39 | * document.body.
|
| 40 | *
|
| 41 | * @public
|
| 42 | */
|
| 43 | export declare function findScrollableParent(startingElement: HTMLElement | null): HTMLElement | Window | undefined | null;
|