Update Zotero author information from Crossref (proof of concept script)

zotero-code.js

// can be run within Zotero "Run Javascript" tool
var items = Zotero.getActiveZoteroPane().getSelectedItems();
var output
for (let item of items) {
  let doi = item.getField("DOI");
  if (doi) {
    await Zotero.HTTP.doGet("http://api.crossref.org/works/" + doi, function (obj) {
      let data = JSON.parse(obj.responseText);
      for (let i = 0; i < data.message.author.length; i++) {
        let crossrefAuthor = data.message.author[i];
        let zoteroAuthor = item.getCreator(i);
        if (zoteroAuthor && crossrefAuthor.family && crossrefAuthor.given && zoteroAuthor.lastName == crossrefAuthor.family) {
          zoteroAuthor.firstName = crossrefAuthor.given;
          item.setCreator(i, zoteroAuthor)
        }
      }
    });
  }
}

return items;