本文整理匯總了TypeScript中@angular/cdk/scrolling.ViewportRuler.getViewportScrollPosition方法的典型用法代碼示例。如果您正苦於以下問題:TypeScript ViewportRuler.getViewportScrollPosition方法的具體用法?TypeScript ViewportRuler.getViewportScrollPosition怎麽用?TypeScript ViewportRuler.getViewportScrollPosition使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類@angular/cdk/scrolling.ViewportRuler
的用法示例。
在下文中一共展示了ViewportRuler.getViewportScrollPosition方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: it
it('should toggle scroll blocking along the y axis', skipIOS(() => {
setScrollPosition(0, 100);
expect(viewport.getViewportScrollPosition().top)
.toBe(100, 'Expected viewport to be scrollable initially.');
overlayRef.attach(componentPortal);
expect(document.documentElement.style.top)
.toBe('-100px', 'Expected <html> element to be offset by the previous scroll amount.');
setScrollPosition(0, 300);
expect(viewport.getViewportScrollPosition().top)
.toBe(100, 'Expected the viewport not to scroll.');
overlayRef.detach();
expect(viewport.getViewportScrollPosition().top)
.toBe(100, 'Expected old scroll position to have bee restored after disabling.');
setScrollPosition(0, 300);
expect(viewport.getViewportScrollPosition().top)
.toBe(300, 'Expected user to be able to scroll after disabling.');
}));
示例2: it
it('should toggle scroll blocking along the x axis', skipIOS(() => {
forceScrollElement.style.height = '100px';
forceScrollElement.style.width = '3000px';
window.scroll(100, 0);
expect(viewport.getViewportScrollPosition().left)
.toBe(100, 'Expected viewport to be scrollable initially.');
overlayRef.attach(componentPortal);
expect(documentElement.style.left)
.toBe('-100px', 'Expected <html> element to be offset by the previous scroll amount.');
window.scroll(300, 0);
expect(viewport.getViewportScrollPosition().left)
.toBe(100, 'Expected the viewport not to scroll.');
overlayRef.detach();
expect(viewport.getViewportScrollPosition().left)
.toBe(100, 'Expected old scroll position to have bee restored after disabling.');
window.scroll(300, 0);
expect(viewport.getViewportScrollPosition().left)
.toBe(300, 'Expected user to be able to scroll after disabling.');
}));