keystone/docs/lib/media.ts at website_live · hmmhmmhm/keystone

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import weakMemo from '@emotion/weak-memoize';

import facepaint from 'facepaint';

type BREAKPOINTSTYPE = {

xs: number;

sm: number;

md: number;

lg: number;

};

export const BREAK_POINTS: BREAKPOINTSTYPE = { xs: 586, sm: 768, md: 992, lg: 1200 };

const minWidth = (width: number, m: boolean = true) =>

`${m ? '@media ' : ''}(min-width: ${width}px)`;

type MediaType = {

[P in keyof BREAKPOINTSTYPE]: string;

};

export const media: MediaType = Object.entries(BREAK_POINTS).reduce(

(obj, [key, value]) => ({ ...obj, [key]: minWidth(value) }),

{} as Record<keyof MediaType, string>

);

const paint = weakMemo(breakpoints =>

facepaint(Object.entries(breakpoints).map(([, width]) => `@media (min-width: ${width}px)`))

);

export function useMediaQuery() {

return paint(BREAK_POINTS);

}