ngx-extended-pdf-viewer/lib/events/update-ui-state-event.d.ts

Embedding PDF files in your Angular application. Highly configurable viewer including the toolbar, sidebar, and all the features you're used to.

export interface UpdateUIStateEvent {
    source: any;
    widget: 'SecondaryToolbar' | 'Toolbar';
    pageNumber: number;
    pagesCount: number;
    pageScaleValue?: number;
    pageScale?: number | string;
}