db-vendo-client/format/location-identifier.js

const sep = '@';

const formatLocationIdentifier = (data) => {
	let str = '';
	for (let key in data) {
		if (!Object.prototype.hasOwnProperty.call(data, key)) {
			continue;
		}

		str += key + '=' + data[key] + sep; // todo: escape, but how?
	}

	return str;
};

export {
	formatLocationIdentifier,
};