Add CFF export

CFF.js

@@ -0,0 +1,105 @@
+{
+	"translatorID": "e782b521-99ed-47c7-b021-62351a0a4f91",
+	"label": "CFF",
+	"creator": "Sebastian Karcher",
+	"target": "cff",
+	"minVersion": "5.0",
+	"maxVersion": "",
+	"priority": 100,
+	"inRepository": true,
+	"translatorType": 2,
+	"lastUpdated": "2023-04-29 02:20:52"
+}
+
+/*
+    ***** BEGIN LICENSE BLOCK *****
+
+    Copyright © 2023 Sebastian Karcher
+
+    This file is part of Zotero.
+
+    Zotero is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Zotero is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with Zotero. If not, see <http://www.gnu.org/licenses/>.
+
+    ***** END LICENSE BLOCK *****
+*/
+
+function writeKeywords(tags) {
+	if (!tags.length) return false;
+	let keywords = "\n";
+	for (let tag of tags) {
+		keywords += "  - " + tag.tag + "\n";
+	}
+	return keywords.replace(/\\n$/, "");
+}
+
+function writeDOI(itemDOI) {
+	if (!itemDOI) return false;
+	let doi = "\n  - type: doi\n    value: " + itemDOI + "\n";
+	return doi;
+}
+
+function writeAuthors(itemCreators) {
+	let itemAuthors = [];
+	for (let creator of itemCreators) {
+		if (creator.creatorType == "author") {
+			itemAuthors.push(creator);
+		}
+	}
+	if (!itemAuthors.length) return false;
+	let authors = "\n";
+	for (let author of itemAuthors) {
+		authors += "  - family-names: " + author.lastName + "\n";
+		if (author.firstName) {
+			authors += "    given-names: " + author.firstName + "\n";
+		}
+	}
+	return authors;
+}
+
+function doExport() {
+	var item;
+	// eslint-disable-next-line no-cond-assign
+	while (item = Zotero.nextItem()) {
+		// can't store independent notes in RIS
+		if (item.itemType != "dataset" && item.itemType != "computerProgram") {
+			continue;
+		}
+		var cff = {};
+		cff.title = " >-\n  " + item.title;
+		cff.abstract = item.abstractNote;
+		cff.type = item.itemType == 'dataset' ? 'dataset' : 'software';
+		cff.license = item.rights;
+		cff.version = item.versionNumber;
+		cff.keywords = writeKeywords(item.tags);
+		cff.authors = writeAuthors(item.creators);
+		cff.identifiers = writeDOI(item.DOI);
+
+		Zotero.write('cff-version: 1.2.0\nmessage: >-\n  If you use this software, please cite it using the metadata from this file.\n');
+		for (let field in cff) {
+			if (!cff[field]) continue;
+			if (field == "authors" || field == "keywords") {
+				Zotero.write(field + ": " + cff[field]);
+			}
+			else {
+				Zotero.write(field + ": " + cff[field] + "\n");
+			}
+		}
+	}
+}
+
+
+/** BEGIN TEST CASES **/
+var testCases = [
+]
+/** END TEST CASES **/