Function getFromByValues

lib/util/cleverMerge.js:532–537

(byValues, key)

 * @returns {V | undefined} value
 */
const getFromByValues = (byValues, key) => {
	if (key !== "default" && byValues.has(key)) {
		return byValues.get(key);
	}
	return byValues.get("default");
};

/**
 * Merges single value.