svelte-ux/stores/mapStore.js

- Increment version in `package.json` and commit as `Version bump to x.y.z` - `npm run publish`

import { writable } from 'svelte/store';
/**
 * Store to wrap `Map` to simplify syncing state (set, delete, clear) with Svelte
 */
export default function mapStore(initialValues) {
    const store = writable(new Map(initialValues));
    return {
        subscribe: store.subscribe,
        set(key, value) {
            store.update((map) => {
                map.set(key, value);
                return map;
            });
        },
        delete(key) {
            store.update((map) => {
                map.delete(key);
                return map;
            });
        },
        clear() {
            store.update((map) => {
                map.clear();
                return map;
            });
        },
        /**
         * Force a reactive update in case of internal changes to entries
         */
        refresh() {
            store.update((map) => {
                return map;
            });
        },
    };
}