@tarojs/router/dist/events/resize.js

Taro-router

let pageResizeFn;
function bindPageResize(page) {
    pageResizeFn && window.removeEventListener('resize', pageResizeFn);
    pageResizeFn = function () {
        if (page.onResize) {
            const mediaQuery = window.matchMedia('(orientation: portrait)');
            page.onResize({
                deviceOrientation: mediaQuery.matches ? 'portrait' : 'landscape',
                size: {
                    windowHeight: window.innerHeight,
                    windowWidth: window.innerWidth,
                    screenHeight: window.screen.height,
                    screenWidth: window.screen.width,
                }
            });
        }
    };
    window.addEventListener('resize', pageResizeFn, false);
}

export { bindPageResize };