busy-web/ember-date-time

/**
 * @module Core/computed
 *
 */
import { getWithDefault, get, set, computed } from '@ember/object';

export default function property(options={}) {
    let defaultValue = options.defaultValue || null;

    let meta = {
        type: 'property',
        defaultValue: defaultValue,
        savedValue: defaultValue,
    };

    return computed({
        get(key) {
            return getWithDefault(this, `__${key}`, defaultValue);
        },
        set(key, value) {
            meta.savedValue = get(this, `__${key}`);
            set(this, `__${key}`, value);
        }
    }).meta(meta);
}