Add CFF export (zotero#3032)

CFF.js

@@ -0,0 +1,113 @@
+{
+	"translatorID": "e782b521-99ed-47c7-b021-62351a0a4f91",
+	"label": "CFF",
+	"creator": "Sebastian Karcher",
+	"target": "cff",
+	"minVersion": "5.0",
+	"maxVersion": "",
+	"priority": 100,
+	"inRepository": true,
+	"translatorType": 2,
+	"lastUpdated": "2023-05-04 13:21:10"
+}
+
+/*
+	***** 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" || creator.creatorType == "programmer") {
+			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;
+	Zotero.write('# This CITATION.cff file was generated with Zotero.\n');
+	// eslint-disable-next-line no-cond-assign
+	while (item = Zotero.nextItem()) {
+		// Only use for dataset and software
+		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.url = item.url;
+		cff.keywords = writeKeywords(item.tags);
+		cff.authors = writeAuthors(item.creators);
+		if (item.date) {
+			cff["date-released"] = ZU.strToISO(item.date);
+		}
+		// get DOI from Extra for software; this will stop running automatically once software supports DOI
+		if (!ZU.fieldIsValidForType('DOI', item.itemType) && /^doi:/i.test(item.extra)) {
+			item.DOI = ZU.cleanDOI(item.extra);
+		}
+		cff.identifiers = writeDOI(item.DOI);
+
+		Zotero.write(`\ncff-version: 1.2.0\nmessage: >-\n  If you use this ${cff.type}, 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 **/