index.cjs.js

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var storage = _interopDefault(require('store/dist/store.modern'));
var storageObservePlugin = _interopDefault(require('store/plugins/observe'));

storage.addPlugin(storageObservePlugin);

function fromStorage(storage) {
  function readable(init, key) {
    if (storage.get(key) == null) storage.set(key, init);

    return {
      subscribe: function (fn) {
        fn(storage.get(key));

        const id = storage.observe(key, newVal => {
          fn(newVal);
        });

        return function () {
          storage.unobserve(id);
        };
      }
    };
  }

  function writable(init, key) {
    return Object.assign(readable(init, key), {
      set: function (val) {
        storage.set(key, val);
      },
      update: function (fn) {
        storage.set(key, fn(storage.get(key)));
      },
    });
  }
  return { readable, writable };
}

const { readable, writable } = fromStorage(storage);

exports.readable = readable;
exports.writable = writable;