Function createClassList

tests/settings-persistence.test.mjs:8–21

()

const DOH_KEY = 'dns-speed-test-doh-servers-v1';

function createClassList() {
    const values = new Set();
    return {
        add: (...classes) => classes.forEach(cls => values.add(cls)),
        remove: (...classes) => classes.forEach(cls => values.delete(cls)),
        toggle: (cls, force) => {
            const shouldAdd = force ?? !values.has(cls);
            if (shouldAdd) values.add(cls);
            else values.delete(cls);
            return shouldAdd;
        },
        contains: cls => values.has(cls)
    };
}

function createElement(id = '') {
    const listeners = new Map();