in src/js/relay.firefox.com/get_profile_data.js [246:256]
function getAliasesWithUpdatedMetadata(updatedAliases, prevAliases) {
return prevAliases.map(prevAlias => {
const updatedAlias = updatedAliases.find(otherAlias => otherAlias.id === prevAlias.id) ?? { description: "", generated_for: "", used_on: ""};
return {
...prevAlias,
description: updatedAlias.description.length > 0 ? updatedAlias.description : prevAlias.description,
generated_for: updatedAlias.generated_for.length > 0 ? updatedAlias.generated_for : prevAlias.generated_for,
used_on: updatedAlias.used_on.length > 0 ? updatedAlias.used_on : prevAlias.used_on,
};
}
)}