GoScrobble/web/node_modules/react-cookie/es6/useCookies.js

43 lines
1.7 KiB
JavaScript

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