48 lines
1.1 KiB
TypeScript
48 lines
1.1 KiB
TypeScript
import { throttle } from './schedulers';
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import { IS_IOS } from './environment';
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type IDimensions = {
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width: number;
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height: number;
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};
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const WINDOW_RESIZE_THROTTLE_MS = 250;
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const initialHeight = window.innerHeight;
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let currentWindowSize = updateSizes();
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const handleResize = throttle(() => {
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currentWindowSize = updateSizes();
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}, WINDOW_RESIZE_THROTTLE_MS, true);
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window.addEventListener('orientationchange', handleResize);
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if (IS_IOS) {
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window.visualViewport!.addEventListener('resize', handleResize);
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} else {
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window.addEventListener('resize', handleResize);
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}
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export function updateSizes(): IDimensions {
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let height: number;
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if (IS_IOS) {
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height = window.visualViewport!.height + window.visualViewport!.pageTop;
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} else {
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height = window.innerHeight;
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}
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const vh = height * 0.01;
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document.documentElement.style.setProperty('--vh', `${vh}px`);
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return {
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width: window.innerWidth,
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height: window.innerHeight,
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};
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}
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const windowSize = {
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get: () => currentWindowSize,
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getIsKeyboardVisible: () => initialHeight > currentWindowSize.height,
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};
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export default windowSize;
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