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86 lines
2.8 KiB
86 lines
2.8 KiB
import { computed } from 'vue';
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import type { GlobalToken } from '../theme/interface';
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import { useToken } from '../theme/internal';
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export type Breakpoint = 'xxxl' | 'xxl' | 'xl' | 'lg' | 'md' | 'sm' | 'xs';
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export type BreakpointMap = Record<Breakpoint, string>;
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export type ScreenMap = Partial<Record<Breakpoint, boolean>>;
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export type ScreenSizeMap = Partial<Record<Breakpoint, number>>;
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export const responsiveArray: Breakpoint[] = ['xxxl', 'xxl', 'xl', 'lg', 'md', 'sm', 'xs'];
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type SubscribeFunc = (screens: ScreenMap) => void;
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const getResponsiveMap = (token: GlobalToken): BreakpointMap => ({
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xs: `(max-width: ${token.screenXSMax}px)`,
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sm: `(min-width: ${token.screenSM}px)`,
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md: `(min-width: ${token.screenMD}px)`,
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lg: `(min-width: ${token.screenLG}px)`,
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xl: `(min-width: ${token.screenXL}px)`,
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xxl: `(min-width: ${token.screenXXL}px)`,
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xxxl: `{min-width: ${token.screenXXXL}px}`,
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});
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export default function useResponsiveObserver() {
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const [, token] = useToken();
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return computed(() => {
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const responsiveMap: BreakpointMap = getResponsiveMap(token.value);
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const subscribers = new Map<Number, SubscribeFunc>();
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let subUid = -1;
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let screens = {};
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return {
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matchHandlers: {} as {
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[prop: string]: {
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mql: MediaQueryList;
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listener: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | null;
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};
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},
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dispatch(pointMap: ScreenMap) {
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screens = pointMap;
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subscribers.forEach(func => func(screens));
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return subscribers.size >= 1;
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},
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subscribe(func: SubscribeFunc): number {
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if (!subscribers.size) this.register();
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subUid += 1;
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subscribers.set(subUid, func);
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func(screens);
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return subUid;
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},
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unsubscribe(paramToken: number) {
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subscribers.delete(paramToken);
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if (!subscribers.size) this.unregister();
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},
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unregister() {
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Object.keys(responsiveMap).forEach((screen: string) => {
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const matchMediaQuery = responsiveMap[screen];
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const handler = this.matchHandlers[matchMediaQuery];
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handler?.mql.removeListener(handler?.listener);
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});
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subscribers.clear();
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},
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register() {
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Object.keys(responsiveMap).forEach((screen: string) => {
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const matchMediaQuery = responsiveMap[screen];
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const listener = ({ matches }: { matches: boolean }) => {
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this.dispatch({
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...screens,
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[screen]: matches,
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});
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};
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const mql = window.matchMedia(matchMediaQuery);
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mql.addListener(listener);
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this.matchHandlers[matchMediaQuery] = {
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mql,
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listener,
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};
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listener(mql);
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});
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},
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responsiveMap,
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};
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});
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}
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