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breakpoints.forEach((breakpoint, index) => {
// media query for each breakpoint
let bQuery;
if (index === 0) {
bQuery = json2mq({ minWidth: 0, maxWidth: breakpoint });
} else {
bQuery = json2mq({
minWidth: breakpoints[index - 1] + 1,
maxWidth: breakpoint
});
}
// when not using server side rendering
canUseDOM() &&
this.media(bQuery, () => {
this.setState({ breakpoint: breakpoint });
});
});
function makeResponsive(
WrappedComponent: ComponentType,
mediaQuery: string | QueryObject,
): ComponentType<$Diff> {
const media = typeof mediaQuery === 'string' ? mediaQuery : json2mq(mediaQuery);
return class extends Component {
mql: ?MediaQueryList;
static displayName = wrapComponentName(WrappedComponent, makeResponsive.name);
state = {
matchBreakpoint: false,
};
componentDidMount() {
const mql = window.matchMedia(media);
mql.addListener(this.updateMediaQuery);
this.updateMediaQuery(mql);
this.mql = mql;
}
export function queryMatch(query: QueryObject) {
return window.matchMedia(json2mq(query));
}
const queryToMql = (query) => global.matchMedia(json2mq(query))
const createMediaMatcher = (query) => {
export function queryMatch(query: QueryObject) {
return window.matchMedia(json2mq(query));
}
() => {
const mediaQueryList = window.matchMedia(
typeof query === 'string' ? query : json2mq(query)
);
let active = true;
const listener = () => {
if (!active) {
return;
}
if (mediaQueryList.matches) {
setMatches(true);
} else {
setMatches(false);
}
};
mediaQueryList.addListener(listener);
const mediaQueries = breakpointValues.reduce((sum, value, index) => {
const options = Object.assign(
{
minWidth: value,
},
index < keys.length - 1 ? { maxWidth: breakpointValues[index+1] - 1 } : {}
)
const mediaQuery = json2mq(options)
return Object.assign(
sum,
{
[keys[index]]: mediaQuery,
}
)
}, {})
return mediaQueries