mirror of
https://github.com/jakejarvis/jarv.is.git
synced 2025-07-03 17:46:39 -04:00
move useMedia
hook here but without SSR warning
This commit is contained in:
13
hooks/use-first-mount-state.ts
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13
hooks/use-first-mount-state.ts
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import { useRef } from "react";
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export const useFirstMountState = (): boolean => {
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const isFirstMount = useRef(true);
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if (isFirstMount.current) {
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isFirstMount.current = false;
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return true;
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}
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return isFirstMount.current;
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};
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41
hooks/use-media.ts
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41
hooks/use-media.ts
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// https://github.com/streamich/react-use/blob/e53ca94a0b1f20270b0f75dc2ca1fecf1e119dde/src/useMedia.ts
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import { useEffect, useState } from "react";
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const getInitialState = (query: string, defaultState?: boolean): boolean => {
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if (defaultState !== undefined) {
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return defaultState;
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}
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if (typeof window !== "undefined") {
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return window.matchMedia(query).matches;
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}
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return false;
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};
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export const useMedia = (query: string, defaultState?: boolean): boolean => {
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const [state, setState] = useState(getInitialState(query, defaultState));
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useEffect(() => {
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let mounted = true;
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const mql = window.matchMedia(query);
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const onChange = () => {
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if (!mounted) {
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return;
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}
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setState(!!mql.matches);
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};
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// TODO: switch to more modern `addEventListener()`
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mql.addListener(onChange);
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setState(mql.matches);
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return () => {
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mounted = false;
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mql.removeListener(onChange);
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};
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}, [query]);
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return state;
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};
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13
hooks/use-update-effect.ts
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13
hooks/use-update-effect.ts
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import { useEffect } from "react";
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import { useFirstMountState } from "./use-first-mount-state";
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// identical to `useEffect()` but ignores the first invocation
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export const useUpdateEffect: typeof useEffect = (effect, deps) => {
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const isFirstMount = useFirstMountState();
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useEffect(() => {
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if (!isFirstMount) {
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return effect();
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}
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}, deps); // eslint-disable-line react-hooks/exhaustive-deps
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};
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