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43 lines
1.7 KiB
JavaScript
43 lines
1.7 KiB
JavaScript
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import { useContext, useLayoutEffect, useState, useRef, useMemo } from 'react';
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import CookiesContext from './CookiesContext';
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import { isInBrowser } from './utils';
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export default function useCookies(dependencies) {
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var cookies = useContext(CookiesContext);
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if (!cookies) {
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throw new Error('Missing <CookiesProvider>');
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}
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var initialCookies = cookies.getAll();
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var _a = useState(initialCookies), allCookies = _a[0], setCookies = _a[1];
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var previousCookiesRef = useRef(allCookies);
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if (isInBrowser()) {
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useLayoutEffect(function () {
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function onChange() {
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var newCookies = cookies.getAll();
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if (shouldUpdate(dependencies || null, newCookies, previousCookiesRef.current)) {
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setCookies(newCookies);
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}
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previousCookiesRef.current = newCookies;
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}
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cookies.addChangeListener(onChange);
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return function () {
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cookies.removeChangeListener(onChange);
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};
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}, [cookies]);
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}
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var setCookie = useMemo(function () { return cookies.set.bind(cookies); }, [cookies]);
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var removeCookie = useMemo(function () { return cookies.remove.bind(cookies); }, [cookies]);
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return [allCookies, setCookie, removeCookie];
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}
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function shouldUpdate(dependencies, newCookies, oldCookies) {
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if (!dependencies) {
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return true;
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}
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for (var _i = 0, dependencies_1 = dependencies; _i < dependencies_1.length; _i++) {
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var dependency = dependencies_1[_i];
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if (newCookies[dependency] !== oldCookies[dependency]) {
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return true;
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}
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}
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return false;
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}
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