@magicbell/core/dist/esm/stores/strategy.js

Official MagicBell API wrapper

import eq from 'lodash/eq.js';
import has from 'lodash/has.js';
import keys from 'lodash/keys.js';
/**
 * Check if a notification satisfies all conditions of the given `context`. It
 * Uses equal to compare.
 *
 * @param notification Notification to test
 * @param context Set of rules to test the notification against
 * @param comparator Function used to compare notification attributes and context values
 */
export function compareAttributeStrategy(notification, context, comparator = eq) {
    const diff = [];
    keys(context).forEach((attr) => {
        const conditionValue = context[attr];
        if ((attr === 'read' && !comparator(notification.isRead, conditionValue)) ||
            (attr === 'seen' && !comparator(notification.isSeen, conditionValue)) ||
            (has(notification, attr) && !comparator(notification[attr], conditionValue))) {
            diff.push(attr);
        }
    });
    return { result: diff.length === 0, delta: diff };
}
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