60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
// @flow
|
|
// Widths are taken from "ui/scss/init/vars.scss"
|
|
import React, { useRef } from 'react';
|
|
const DEFAULT_SCREEN_SIZE = 1080;
|
|
|
|
export function useWindowSize() {
|
|
const isWindowClient = typeof window === 'object';
|
|
const [windowSize, setWindowSize] = React.useState(isWindowClient ? window.innerWidth : DEFAULT_SCREEN_SIZE);
|
|
|
|
React.useEffect(() => {
|
|
function setSize() {
|
|
setWindowSize(window.innerWidth);
|
|
}
|
|
|
|
if (isWindowClient) {
|
|
window.addEventListener('resize', setSize);
|
|
|
|
return () => window.removeEventListener('resize', setSize);
|
|
}
|
|
}, [isWindowClient]);
|
|
|
|
return windowSize;
|
|
}
|
|
|
|
function useHasWindowWidthChangedEnough(comparisonFn: (windowSize: number) => boolean) {
|
|
const isWindowClient = typeof window === 'object';
|
|
const initialState = isWindowClient ? comparisonFn(window.innerWidth) : comparisonFn(DEFAULT_SCREEN_SIZE);
|
|
const [windowSize, setWindowSize] = React.useState(initialState);
|
|
const prev = useRef(window.innerWidth);
|
|
|
|
React.useEffect(() => {
|
|
function setSize() {
|
|
const curr = comparisonFn(window.innerWidth);
|
|
if (prev !== curr) {
|
|
setWindowSize(curr);
|
|
prev.current = curr;
|
|
}
|
|
}
|
|
|
|
if (isWindowClient) {
|
|
window.addEventListener('resize', setSize);
|
|
|
|
return () => window.removeEventListener('resize', setSize);
|
|
}
|
|
}, [isWindowClient]);
|
|
|
|
return windowSize;
|
|
}
|
|
|
|
export function useIsMobile() {
|
|
return useHasWindowWidthChangedEnough((windowSize) => windowSize < 901);
|
|
}
|
|
|
|
export function useIsMediumScreen() {
|
|
return useHasWindowWidthChangedEnough((windowSize) => windowSize < 1151);
|
|
}
|
|
|
|
export function useIsLargeScreen() {
|
|
return useHasWindowWidthChangedEnough((windowSize) => windowSize > 1600);
|
|
}
|