@aplus-frontend/antdv
Version:
Vue basic component library maintained based on ant-design-vue
70 lines • 2.34 kB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
import { computed } from 'vue';
import { useToken } from '../theme/internal';
export const responsiveArray = ['xxxl', 'xxl', 'xl', 'lg', 'md', 'sm', 'xs'];
const getResponsiveMap = token => ({
xs: `(max-width: ${token.screenXSMax}px)`,
sm: `(min-width: ${token.screenSM}px)`,
md: `(min-width: ${token.screenMD}px)`,
lg: `(min-width: ${token.screenLG}px)`,
xl: `(min-width: ${token.screenXL}px)`,
xxl: `(min-width: ${token.screenXXL}px)`,
xxxl: `{min-width: ${token.screenXXXL}px}`
});
export default function useResponsiveObserver() {
const [, token] = useToken();
return computed(() => {
const responsiveMap = getResponsiveMap(token.value);
const subscribers = new Map();
let subUid = -1;
let screens = {};
return {
matchHandlers: {},
dispatch(pointMap) {
screens = pointMap;
subscribers.forEach(func => func(screens));
return subscribers.size >= 1;
},
subscribe(func) {
if (!subscribers.size) this.register();
subUid += 1;
subscribers.set(subUid, func);
func(screens);
return subUid;
},
unsubscribe(paramToken) {
subscribers.delete(paramToken);
if (!subscribers.size) this.unregister();
},
unregister() {
Object.keys(responsiveMap).forEach(screen => {
const matchMediaQuery = responsiveMap[screen];
const handler = this.matchHandlers[matchMediaQuery];
handler === null || handler === void 0 ? void 0 : handler.mql.removeListener(handler === null || handler === void 0 ? void 0 : handler.listener);
});
subscribers.clear();
},
register() {
Object.keys(responsiveMap).forEach(screen => {
const matchMediaQuery = responsiveMap[screen];
const listener = _ref => {
let {
matches
} = _ref;
this.dispatch(_extends(_extends({}, screens), {
[screen]: matches
}));
};
const mql = window.matchMedia(matchMediaQuery);
mql.addListener(listener);
this.matchHandlers[matchMediaQuery] = {
mql,
listener
};
listener(mql);
});
},
responsiveMap
};
});
}