@emailjs/browser/es/utils/validateBlockListParams/validateBlockListParams.js

Official EmailJS SDK for browsers

export const validateBlockListParams = (list, watchVariable) => {
    if (!Array.isArray(list)) {
        throw 'The BlockList list has to be an array';
    }
    if (typeof watchVariable !== 'string') {
        throw 'The BlockList watchVariable has to be a string';
    }
};