Note HTML.js

{
	"translatorID": "897a81c2-9f60-4bec-ae6b-85a5030b8be5",
	"label": "Note HTML",
	"creator": "Martynas Bagdonas",
	"target": "html",
	"minVersion": "5.0.97",
	"maxVersion": "",
	"priority": 50,
	"configOptions": {
		"noteTranslator": true
	},
	"displayOptions": {
		"includeAppLinks": false
	},
	"inRepository": true,
	"translatorType": 2,
	"lastUpdated": "2024-07-10 15:30:00"
}

/*
    ***** BEGIN LICENSE BLOCK *****

    Copyright © 2021 Corporation for Digital Scholarship
                     Vienna, Virginia, USA
                     http://digitalscholar.org/

    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 *****
*/

// Based on https://github.com/zotero/zotero/blob/32a5826a1fdcb8095e0ff6789d06dcb190212de9/chrome/content/zotero/xpcom/quickCopy.js#L266-L419
function doExport() {
	Zotero.setCharacterSet('utf-8');
	let item;
	let doc = new DOMParser().parseFromString('<div class="zotero-notes"/>', 'text/html');
	let container = doc.body.firstChild;
	while ((item = Zotero.nextItem())) {
		if (item.itemType === 'note' || item.itemType === 'attachment') {
			let div = doc.createElement('div');
			div.className = 'zotero-note';
			div.innerHTML = item.note || '';
			// Skip empty notes
			if (!div.textContent.trim()) {
				continue;
			}
			// Unwrap ProseMirror note metadata container
			let inner = div.firstElementChild;
			if (inner && inner.getAttribute('data-schema-version')) {
				inner.replaceWith(...inner.childNodes);
			}
			container.append(div);
		}
	}

	if (Zotero.getOption("includeAppLinks")) {
		// Insert a PDF link for highlight, underline and image annotation nodes
		doc.querySelectorAll('span[class="highlight"], span[class="underline"], img[data-annotation]').forEach(function (node) {
			try {
				var annotation = JSON.parse(decodeURIComponent(node.getAttribute('data-annotation')));
			}
			catch (e) {
			}

			if (annotation) {
				// annotation.uri was used before note-editor v4
				let uri = annotation.attachmentURI || annotation.uri;
				let position = annotation.position;
				if (typeof uri === 'string' && typeof position === 'object') {
					let openURI;
					let uriParts = uri.split('/');
					let libraryType = uriParts[3];
					let key = uriParts[uriParts.length - 1];
					if (libraryType === 'users') {
						openURI = 'zotero://open-pdf/library/items/' + key;
					}
					// groups
					else {
						let groupID = uriParts[4];
						openURI = 'zotero://open-pdf/groups/' + groupID + '/items/' + key;
					}

					let linkText;
					if (position.type === 'FragmentSelector') {
						openURI += '?cfi=' + encodeURIComponent(position.value);
						linkText = 'epub';
					}
					else if (position.type === 'CssSelector') {
						openURI += '?sel=' + encodeURIComponent(position.value);
						linkText = 'snapshot';
					}
					else {
						openURI += '?page=' + (position.pageIndex + 1);
						linkText = 'pdf';
					}
					if (annotation.annotationKey) {
						openURI += '&annotation=' + annotation.annotationKey;
					}

					let a = doc.createElement('a');
					a.href = openURI;
					a.append(linkText);
					let fragment = doc.createDocumentFragment();
					fragment.append(' (', a, ') ');

					let nextNode = node.nextElementSibling;
					if (nextNode && nextNode.classList.contains('citation')) {
						nextNode.parentNode.insertBefore(fragment, nextNode.nextSibling);
					}
					else {
						node.parentNode.insertBefore(fragment, node.nextSibling);
					}
				}
			}
		});

		// Transform citations to links
		doc.querySelectorAll('span[class="citation"]').forEach(function (span) {
			try {
				var citation = JSON.parse(decodeURIComponent(span.getAttribute('data-citation')));
			}
			catch (e) {
			}

			if (citation && citation.citationItems && citation.citationItems.length) {
				let uris = [];
				for (let citationItem of citation.citationItems) {
					let uri = citationItem.uris[0];
					if (typeof uri === 'string') {
						let uriParts = uri.split('/');
						let libraryType = uriParts[3];
						let key = uriParts[uriParts.length - 1];
						if (libraryType === 'users') {
							uris.push('zotero://select/library/items/' + key);
						}
						// groups
						else {
							let groupID = uriParts[4];
							uris.push('zotero://select/groups/' + groupID + '/items/' + key);
						}
					}
				}

				let items = Array.from(span.querySelectorAll('.citation-item')).map(x => x.textContent);
				// Fallback to pre v5 note-editor schema that was serializing citations as plain text i.e.:
				// <span class="citation" data-citation="...">(Jang et al., 2005, p. 14; Kongsgaard et al., 2009, p. 790)</span>
				if (!items.length) {
					items = span.textContent.slice(1, -1).split('; ');
				}

				span.innerHTML = '(' + items.map((item, i) => `<a href="${uris[i]}">${item}</a>`).join('; ') + ')';
			}
		});
	}

	// Remove annotation and citation data
	ZU.xpath(doc, '//span[@data-citation]').forEach(span => span.removeAttribute('data-citation'));
	ZU.xpath(doc, '//span[@data-annotation]').forEach(span => span.removeAttribute('data-annotation'));
	ZU.xpath(doc, '//img[@data-annotation]').forEach(img => img.removeAttribute('data-annotation'));

	// Add horizontal rules between notes
	Array.from(container.children).slice(1).forEach((element) => {
		container.insertBefore(doc.createElement('hr'), element);
	});

	// Add quotes around blockquote paragraphs
	// Open quote
	ZU.xpath(doc, '//blockquote/p[1]').forEach((element) => {
		element.insertBefore(doc.createTextNode('\u201c'), element.firstChild);
	});
	// End quote
	ZU.xpath(doc, '//blockquote/p[last()]').forEach((element) => {
		element.appendChild(doc.createTextNode('\u201d'));
	});

	// Everything seems to like margin-left better than padding-left
	Zotero.Utilities.xpath(doc, 'p').forEach((p) => {
		if (p.style.paddingLeft) {
			p.style.marginLeft = p.style.paddingLeft;
			p.style.paddingLeft = '';
		}
	});

	// Word and TextEdit don't indent blockquotes on their own and need this
	// OO gets it right, so this results in an extra indent
	ZU.xpath(doc, '//blockquote/p').forEach(p => p.style.marginLeft = '30px');

	let charsetMeta = doc.createElement('meta');
	charsetMeta.setAttribute('charset', 'utf-8');
	doc.head.append(charsetMeta);

	Zotero.write('<!DOCTYPE html>' + doc.documentElement.outerHTML);
}