converse.js
Version:
Browser based XMPP chat client
40 lines • 1.42 kB
TypeScript
/**
* An element which triggers a global `visibilityChanged` event when
* it becomes visible in the viewport. The `observable` property needs to be set.
*/
export class ObservableElement extends CustomElement {
static get properties(): {
observable: {
type: StringConstructor;
};
intersectionRatio: {
type: NumberConstructor;
};
};
model: any;
/**
* The observable property determines the observability of this element.
* - 'once': an event will be triggered once when the element becomes visible.
* - 'always': an event is triggered every time (the IntersectionObserver callback is called).
* @type {import('./types').ObservableProperty}
*/
observable: import("./types").ObservableProperty;
isVisible: boolean;
observableThresholds: number[];
observableMargin: string;
intersectionRatio: number;
observableDelay: number;
initIntersectionObserver(): void;
intersectionObserver: IntersectionObserver;
alreadyHandled(): boolean;
/**
* @param {IntersectionObserverEntry[]} entries
*/
handleIntersectionCallback(entries: IntersectionObserverEntry[]): void;
/**
* @param {IntersectionObserverEntry} _entry
*/
onVisibilityChanged(_entry: IntersectionObserverEntry): void;
}
import { CustomElement } from "./element";
//# sourceMappingURL=observable.d.ts.map