publication_venue_zotero.js

// Sort items by publication venue in Zotero
// Highlight a set of items first.
const items = Zotero.getActiveZoteroPane().getSelectedItems();
itemsByPub = {};
for (const i in items) {
    itemInfo = items[i].toJSON();
    publication = itemInfo.publicationTitle;
    if (!(publication in itemsByPub)) {
        itemsByPub[publication] = [];
    }
    itemsByPub[publication].push(itemInfo.title);
}
itemsByPub