zotero-db/translators/Note Markdown.js

1639 lines
46 KiB
JavaScript

{
"translatorID": "1412e9e2-51e1-42ec-aa35-e036a895534b",
"translatorType": 2,
"label": "Note Markdown",
"creator": "Martynas Bagdonas",
"target": "md",
"minVersion": "5.0.97",
"maxVersion": null,
"priority": 50,
"inRepository": true,
"configOptions": {
"noteTranslator": true
},
"displayOptions": {
"includeAppLinks": true
},
"lastUpdated": "2024-07-11 09:05:00"
}
/*
***** 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 *****
*/
let bundle;
(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};
// cached from whatever global is present so that test runners that stub it
// don't break things. But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals. It's inside a
// function because try/catches deoptimize in certain engines.
var cachedSetTimeout;
var cachedClearTimeout;
function defaultSetTimout() {
throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
throw new Error('clearTimeout has not been defined');
}
(function () {
try {
if (typeof setTimeout === 'function') {
cachedSetTimeout = setTimeout;
} else {
cachedSetTimeout = defaultSetTimout;
}
} catch (e) {
cachedSetTimeout = defaultSetTimout;
}
try {
if (typeof clearTimeout === 'function') {
cachedClearTimeout = clearTimeout;
} else {
cachedClearTimeout = defaultClearTimeout;
}
} catch (e) {
cachedClearTimeout = defaultClearTimeout;
}
} ())
function runTimeout(fun) {
if (cachedSetTimeout === setTimeout) {
//normal enviroments in sane situations
return setTimeout(fun, 0);
}
// if setTimeout wasn't available but was latter defined
if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
cachedSetTimeout = setTimeout;
return setTimeout(fun, 0);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedSetTimeout(fun, 0);
} catch(e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedSetTimeout.call(null, fun, 0);
} catch(e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
return cachedSetTimeout.call(this, fun, 0);
}
}
}
function runClearTimeout(marker) {
if (cachedClearTimeout === clearTimeout) {
//normal enviroments in sane situations
return clearTimeout(marker);
}
// if clearTimeout wasn't available but was latter defined
if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
cachedClearTimeout = clearTimeout;
return clearTimeout(marker);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedClearTimeout(marker);
} catch (e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedClearTimeout.call(null, marker);
} catch (e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
// Some versions of I.E. have different rules for clearTimeout vs setTimeout
return cachedClearTimeout.call(this, marker);
}
}
}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
if (!draining || !currentQueue) {
return;
}
draining = false;
if (currentQueue.length) {
queue = currentQueue.concat(queue);
} else {
queueIndex = -1;
}
if (queue.length) {
drainQueue();
}
}
function drainQueue() {
if (draining) {
return;
}
var timeout = runTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while(len) {
currentQueue = queue;
queue = [];
while (++queueIndex < len) {
if (currentQueue) {
currentQueue[queueIndex].run();
}
}
queueIndex = -1;
len = queue.length;
}
currentQueue = null;
draining = false;
runClearTimeout(timeout);
}
process.nextTick = function (fun) {
var args = new Array(arguments.length - 1);
if (arguments.length > 1) {
for (var i = 1; i < arguments.length; i++) {
args[i - 1] = arguments[i];
}
}
queue.push(new Item(fun, args));
if (queue.length === 1 && !draining) {
runTimeout(drainQueue);
}
};
// v8 likes predictible objects
function Item(fun, array) {
this.fun = fun;
this.array = array;
}
Item.prototype.run = function () {
this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};
function noop() {}
process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;
process.listeners = function (name) { return [] }
process.binding = function (name) {
throw new Error('process.binding is not supported');
};
process.cwd = function () { return '/' };
process.chdir = function (dir) {
throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };
},{}],2:[function(require,module,exports){
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var highlightRegExp = /highlight-(?:text|source)-([a-z0-9]+)/;
function highlightedCodeBlock (turndownService) {
turndownService.addRule('highlightedCodeBlock', {
filter: function (node) {
var firstChild = node.firstChild;
return (
node.nodeName === 'DIV' &&
highlightRegExp.test(node.className) &&
firstChild &&
firstChild.nodeName === 'PRE'
)
},
replacement: function (content, node, options) {
var className = node.className || '';
var language = (className.match(highlightRegExp) || [null, ''])[1];
return (
'\n\n' + options.fence + language + '\n' +
node.firstChild.textContent +
'\n' + options.fence + '\n\n'
)
}
});
}
function strikethrough (turndownService) {
turndownService.addRule('strikethrough', {
filter: ['del', 's', 'strike'],
replacement: function (content) {
return '~' + content + '~'
}
});
}
var indexOf = Array.prototype.indexOf;
var every = Array.prototype.every;
var rules = {};
rules.tableCell = {
filter: ['th', 'td'],
replacement: function (content, node) {
return cell(content, node)
}
};
rules.tableRow = {
filter: 'tr',
replacement: function (content, node) {
var borderCells = '';
var alignMap = { left: ':--', right: '--:', center: ':-:' };
if (isHeadingRow(node)) {
for (var i = 0; i < node.childNodes.length; i++) {
var border = '---';
var align = (
node.childNodes[i].getAttribute('align') || ''
).toLowerCase();
if (align) border = alignMap[align] || border;
borderCells += cell(border, node.childNodes[i]);
}
}
return '\n' + content + (borderCells ? '\n' + borderCells : '')
}
};
rules.table = {
// Only convert tables with a heading row.
// Tables with no heading row are kept using `keep` (see below).
filter: function (node) {
return node.nodeName === 'TABLE' && isHeadingRow(node.rows[0])
},
replacement: function (content) {
// Ensure there are no blank lines
content = content.replace('\n\n', '\n');
return '\n\n' + content + '\n\n'
}
};
rules.tableSection = {
filter: ['thead', 'tbody', 'tfoot'],
replacement: function (content) {
return content
}
};
// A tr is a heading row if:
// - the parent is a THEAD
// - or if its the first child of the TABLE or the first TBODY (possibly
// following a blank THEAD)
// - and every cell is a TH
function isHeadingRow (tr) {
var parentNode = tr.parentNode;
return (
parentNode.nodeName === 'THEAD' ||
(
parentNode.firstChild === tr &&
(parentNode.nodeName === 'TABLE' || isFirstTbody(parentNode)) &&
every.call(tr.childNodes, function (n) { return n.nodeName === 'TH' })
)
)
}
function isFirstTbody (element) {
var previousSibling = element.previousSibling;
return (
element.nodeName === 'TBODY' && (
!previousSibling ||
(
previousSibling.nodeName === 'THEAD' &&
/^\s*$/i.test(previousSibling.textContent)
)
)
)
}
function cell (content, node) {
var index = indexOf.call(node.parentNode.childNodes, node);
var prefix = ' ';
if (index === 0) prefix = '| ';
return prefix + content + ' |'
}
function tables (turndownService) {
turndownService.keep(function (node) {
return node.nodeName === 'TABLE' && !isHeadingRow(node.rows[0])
});
for (var key in rules) turndownService.addRule(key, rules[key]);
}
function taskListItems (turndownService) {
turndownService.addRule('taskListItems', {
filter: function (node) {
return node.type === 'checkbox' && node.parentNode.nodeName === 'LI'
},
replacement: function (content, node) {
return (node.checked ? '[x]' : '[ ]') + ' '
}
});
}
function gfm (turndownService) {
turndownService.use([
highlightedCodeBlock,
strikethrough,
tables,
taskListItems
]);
}
exports.gfm = gfm;
exports.highlightedCodeBlock = highlightedCodeBlock;
exports.strikethrough = strikethrough;
exports.tables = tables;
exports.taskListItems = taskListItems;
},{}],3:[function(require,module,exports){
(function (process){(function (){
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.TurndownService = factory());
}(this, (function () { 'use strict';
function extend (destination) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (source.hasOwnProperty(key)) destination[key] = source[key];
}
}
return destination
}
function repeat (character, count) {
return Array(count + 1).join(character)
}
function trimLeadingNewlines (string) {
return string.replace(/^\n*/, '')
}
function trimTrailingNewlines (string) {
// avoid match-at-end regexp bottleneck, see #370
var indexEnd = string.length;
while (indexEnd > 0 && string[indexEnd - 1] === '\n') indexEnd--;
return string.substring(0, indexEnd)
}
var blockElements = [
'ADDRESS', 'ARTICLE', 'ASIDE', 'AUDIO', 'BLOCKQUOTE', 'BODY', 'CANVAS',
'CENTER', 'DD', 'DIR', 'DIV', 'DL', 'DT', 'FIELDSET', 'FIGCAPTION', 'FIGURE',
'FOOTER', 'FORM', 'FRAMESET', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6', 'HEADER',
'HGROUP', 'HR', 'HTML', 'ISINDEX', 'LI', 'MAIN', 'MENU', 'NAV', 'NOFRAMES',
'NOSCRIPT', 'OL', 'OUTPUT', 'P', 'PRE', 'SECTION', 'TABLE', 'TBODY', 'TD',
'TFOOT', 'TH', 'THEAD', 'TR', 'UL'
];
function isBlock (node) {
return is(node, blockElements)
}
var voidElements = [
'AREA', 'BASE', 'BR', 'COL', 'COMMAND', 'EMBED', 'HR', 'IMG', 'INPUT',
'KEYGEN', 'LINK', 'META', 'PARAM', 'SOURCE', 'TRACK', 'WBR'
];
function isVoid (node) {
return is(node, voidElements)
}
function hasVoid (node) {
return has(node, voidElements)
}
var meaningfulWhenBlankElements = [
'A', 'TABLE', 'THEAD', 'TBODY', 'TFOOT', 'TH', 'TD', 'IFRAME', 'SCRIPT',
'AUDIO', 'VIDEO'
];
function isMeaningfulWhenBlank (node) {
return is(node, meaningfulWhenBlankElements)
}
function hasMeaningfulWhenBlank (node) {
return has(node, meaningfulWhenBlankElements)
}
function is (node, tagNames) {
return tagNames.indexOf(node.nodeName) >= 0
}
function has (node, tagNames) {
return (
node.getElementsByTagName &&
tagNames.some(function (tagName) {
return node.getElementsByTagName(tagName).length
})
)
}
var rules = {};
rules.paragraph = {
filter: 'p',
replacement: function (content) {
return '\n\n' + content + '\n\n'
}
};
rules.lineBreak = {
filter: 'br',
replacement: function (content, node, options) {
return options.br + '\n'
}
};
rules.heading = {
filter: ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
replacement: function (content, node, options) {
var hLevel = Number(node.nodeName.charAt(1));
if (options.headingStyle === 'setext' && hLevel < 3) {
var underline = repeat((hLevel === 1 ? '=' : '-'), content.length);
return (
'\n\n' + content + '\n' + underline + '\n\n'
)
} else {
return '\n\n' + repeat('#', hLevel) + ' ' + content + '\n\n'
}
}
};
rules.blockquote = {
filter: 'blockquote',
replacement: function (content) {
content = content.replace(/^\n+|\n+$/g, '');
content = content.replace(/^/gm, '> ');
return '\n\n' + content + '\n\n'
}
};
rules.list = {
filter: ['ul', 'ol'],
replacement: function (content, node) {
var parent = node.parentNode;
if (parent.nodeName === 'LI' && parent.lastElementChild === node) {
return '\n' + content
} else {
return '\n\n' + content + '\n\n'
}
}
};
rules.listItem = {
filter: 'li',
replacement: function (content, node, options) {
content = content
.replace(/^\n+/, '') // remove leading newlines
.replace(/\n+$/, '\n') // replace trailing newlines with just a single one
.replace(/\n/gm, '\n '); // indent
var prefix = options.bulletListMarker + ' ';
var parent = node.parentNode;
if (parent.nodeName === 'OL') {
var start = parent.getAttribute('start');
var index = Array.prototype.indexOf.call(parent.children, node);
prefix = (start ? Number(start) + index : index + 1) + '. ';
}
return (
prefix + content + (node.nextSibling && !/\n$/.test(content) ? '\n' : '')
)
}
};
rules.indentedCodeBlock = {
filter: function (node, options) {
return (
options.codeBlockStyle === 'indented' &&
node.nodeName === 'PRE' &&
node.firstChild &&
node.firstChild.nodeName === 'CODE'
)
},
replacement: function (content, node, options) {
return (
'\n\n ' +
node.firstChild.textContent.replace(/\n/g, '\n ') +
'\n\n'
)
}
};
rules.fencedCodeBlock = {
filter: function (node, options) {
return (
options.codeBlockStyle === 'fenced' &&
node.nodeName === 'PRE' &&
node.firstChild &&
node.firstChild.nodeName === 'CODE'
)
},
replacement: function (content, node, options) {
var className = node.firstChild.getAttribute('class') || '';
var language = (className.match(/language-(\S+)/) || [null, ''])[1];
var code = node.firstChild.textContent;
var fenceChar = options.fence.charAt(0);
var fenceSize = 3;
var fenceInCodeRegex = new RegExp('^' + fenceChar + '{3,}', 'gm');
var match;
while ((match = fenceInCodeRegex.exec(code))) {
if (match[0].length >= fenceSize) {
fenceSize = match[0].length + 1;
}
}
var fence = repeat(fenceChar, fenceSize);
return (
'\n\n' + fence + language + '\n' +
code.replace(/\n$/, '') +
'\n' + fence + '\n\n'
)
}
};
rules.horizontalRule = {
filter: 'hr',
replacement: function (content, node, options) {
return '\n\n' + options.hr + '\n\n'
}
};
rules.inlineLink = {
filter: function (node, options) {
return (
options.linkStyle === 'inlined' &&
node.nodeName === 'A' &&
node.getAttribute('href')
)
},
replacement: function (content, node) {
var href = node.getAttribute('href');
var title = cleanAttribute(node.getAttribute('title'));
if (title) title = ' "' + title + '"';
return '[' + content + '](' + href + title + ')'
}
};
rules.referenceLink = {
filter: function (node, options) {
return (
options.linkStyle === 'referenced' &&
node.nodeName === 'A' &&
node.getAttribute('href')
)
},
replacement: function (content, node, options) {
var href = node.getAttribute('href');
var title = cleanAttribute(node.getAttribute('title'));
if (title) title = ' "' + title + '"';
var replacement;
var reference;
switch (options.linkReferenceStyle) {
case 'collapsed':
replacement = '[' + content + '][]';
reference = '[' + content + ']: ' + href + title;
break
case 'shortcut':
replacement = '[' + content + ']';
reference = '[' + content + ']: ' + href + title;
break
default:
var id = this.references.length + 1;
replacement = '[' + content + '][' + id + ']';
reference = '[' + id + ']: ' + href + title;
}
this.references.push(reference);
return replacement
},
references: [],
append: function (options) {
var references = '';
if (this.references.length) {
references = '\n\n' + this.references.join('\n') + '\n\n';
this.references = []; // Reset references
}
return references
}
};
rules.emphasis = {
filter: ['em', 'i'],
replacement: function (content, node, options) {
if (!content.trim()) return ''
return options.emDelimiter + content + options.emDelimiter
}
};
rules.strong = {
filter: ['strong', 'b'],
replacement: function (content, node, options) {
if (!content.trim()) return ''
return options.strongDelimiter + content + options.strongDelimiter
}
};
rules.code = {
filter: function (node) {
var hasSiblings = node.previousSibling || node.nextSibling;
var isCodeBlock = node.parentNode.nodeName === 'PRE' && !hasSiblings;
return node.nodeName === 'CODE' && !isCodeBlock
},
replacement: function (content) {
if (!content) return ''
content = content.replace(/\r?\n|\r/g, ' ');
var extraSpace = /^`|^ .*?[^ ].* $|`$/.test(content) ? ' ' : '';
var delimiter = '`';
var matches = content.match(/`+/gm) || [];
while (matches.indexOf(delimiter) !== -1) delimiter = delimiter + '`';
return delimiter + extraSpace + content + extraSpace + delimiter
}
};
rules.image = {
filter: 'img',
replacement: function (content, node) {
var alt = cleanAttribute(node.getAttribute('alt'));
var src = node.getAttribute('src') || '';
var title = cleanAttribute(node.getAttribute('title'));
var titlePart = title ? ' "' + title + '"' : '';
return src ? '![' + alt + ']' + '(' + src + titlePart + ')' : ''
}
};
function cleanAttribute (attribute) {
return attribute ? attribute.replace(/(\n+\s*)+/g, '\n') : ''
}
/**
* Manages a collection of rules used to convert HTML to Markdown
*/
function Rules (options) {
this.options = options;
this._keep = [];
this._remove = [];
this.blankRule = {
replacement: options.blankReplacement
};
this.keepReplacement = options.keepReplacement;
this.defaultRule = {
replacement: options.defaultReplacement
};
this.array = [];
for (var key in options.rules) this.array.push(options.rules[key]);
}
Rules.prototype = {
add: function (key, rule) {
this.array.unshift(rule);
},
keep: function (filter) {
this._keep.unshift({
filter: filter,
replacement: this.keepReplacement
});
},
remove: function (filter) {
this._remove.unshift({
filter: filter,
replacement: function () {
return ''
}
});
},
forNode: function (node) {
if (node.isBlank) return this.blankRule
var rule;
if ((rule = findRule(this.array, node, this.options))) return rule
if ((rule = findRule(this._keep, node, this.options))) return rule
if ((rule = findRule(this._remove, node, this.options))) return rule
return this.defaultRule
},
forEach: function (fn) {
for (var i = 0; i < this.array.length; i++) fn(this.array[i], i);
}
};
function findRule (rules, node, options) {
for (var i = 0; i < rules.length; i++) {
var rule = rules[i];
if (filterValue(rule, node, options)) return rule
}
return void 0
}
function filterValue (rule, node, options) {
var filter = rule.filter;
if (typeof filter === 'string') {
if (filter === node.nodeName.toLowerCase()) return true
} else if (Array.isArray(filter)) {
if (filter.indexOf(node.nodeName.toLowerCase()) > -1) return true
} else if (typeof filter === 'function') {
if (filter.call(rule, node, options)) return true
} else {
throw new TypeError('`filter` needs to be a string, array, or function')
}
}
/**
* The collapseWhitespace function is adapted from collapse-whitespace
* by Luc Thevenard.
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Luc Thevenard <lucthevenard@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/**
* collapseWhitespace(options) removes extraneous whitespace from an the given element.
*
* @param {Object} options
*/
function collapseWhitespace (options) {
var element = options.element;
var isBlock = options.isBlock;
var isVoid = options.isVoid;
var isPre = options.isPre || function (node) {
return node.nodeName === 'PRE'
};
if (!element.firstChild || isPre(element)) return
var prevText = null;
var keepLeadingWs = false;
var prev = null;
var node = next(prev, element, isPre);
while (node !== element) {
if (node.nodeType === 3 || node.nodeType === 4) { // Node.TEXT_NODE or Node.CDATA_SECTION_NODE
var text = node.data.replace(/[ \r\n\t]+/g, ' ');
if ((!prevText || / $/.test(prevText.data)) &&
!keepLeadingWs && text[0] === ' ') {
text = text.substr(1);
}
// `text` might be empty at this point.
if (!text) {
node = remove(node);
continue
}
node.data = text;
prevText = node;
} else if (node.nodeType === 1) { // Node.ELEMENT_NODE
if (isBlock(node) || node.nodeName === 'BR') {
if (prevText) {
prevText.data = prevText.data.replace(/ $/, '');
}
prevText = null;
keepLeadingWs = false;
} else if (isVoid(node) || isPre(node)) {
// Avoid trimming space around non-block, non-BR void elements and inline PRE.
prevText = null;
keepLeadingWs = true;
} else if (prevText) {
// Drop protection if set previously.
keepLeadingWs = false;
}
} else {
node = remove(node);
continue
}
var nextNode = next(prev, node, isPre);
prev = node;
node = nextNode;
}
if (prevText) {
prevText.data = prevText.data.replace(/ $/, '');
if (!prevText.data) {
remove(prevText);
}
}
}
/**
* remove(node) removes the given node from the DOM and returns the
* next node in the sequence.
*
* @param {Node} node
* @return {Node} node
*/
function remove (node) {
var next = node.nextSibling || node.parentNode;
node.parentNode.removeChild(node);
return next
}
/**
* next(prev, current, isPre) returns the next node in the sequence, given the
* current and previous nodes.
*
* @param {Node} prev
* @param {Node} current
* @param {Function} isPre
* @return {Node}
*/
function next (prev, current, isPre) {
if ((prev && prev.parentNode === current) || isPre(current)) {
return current.nextSibling || current.parentNode
}
return current.firstChild || current.nextSibling || current.parentNode
}
/*
* Set up window for Node.js
*/
var root = (typeof window !== 'undefined' ? window : {});
/*
* Parsing HTML strings
*/
function canParseHTMLNatively () {
var Parser = root.DOMParser;
var canParse = false;
// Adapted from https://gist.github.com/1129031
// Firefox/Opera/IE throw errors on unsupported types
try {
// WebKit returns null on unsupported types
if (new Parser().parseFromString('', 'text/html')) {
canParse = true;
}
} catch (e) {}
return canParse
}
function createHTMLParser () {
var Parser = function () {};
{
if (shouldUseActiveX()) {
Parser.prototype.parseFromString = function (string) {
var doc = new window.ActiveXObject('htmlfile');
doc.designMode = 'on'; // disable on-page scripts
doc.open();
doc.write(string);
doc.close();
return doc
};
} else {
Parser.prototype.parseFromString = function (string) {
var doc = document.implementation.createHTMLDocument('');
doc.open();
doc.write(string);
doc.close();
return doc
};
}
}
return Parser
}
function shouldUseActiveX () {
var useActiveX = false;
try {
document.implementation.createHTMLDocument('').open();
} catch (e) {
if (window.ActiveXObject) useActiveX = true;
}
return useActiveX
}
function RootNode (input, options) {
var root;
if (typeof input === 'string') {
var doc = htmlParser().parseFromString(
// DOM parsers arrange elements in the <head> and <body>.
// Wrapping in a custom element ensures elements are reliably arranged in
// a single element.
'<x-turndown id="turndown-root">' + input + '</x-turndown>',
'text/html'
);
root = doc.getElementById('turndown-root');
} else {
root = input.cloneNode(true);
}
collapseWhitespace({
element: root,
isBlock: isBlock,
isVoid: isVoid,
isPre: options.preformattedCode ? isPreOrCode : null
});
return root
}
var _htmlParser;
function htmlParser () {
_htmlParser = _htmlParser || new HTMLParser();
return _htmlParser
}
function isPreOrCode (node) {
return node.nodeName === 'PRE' || node.nodeName === 'CODE'
}
function Node (node, options) {
node.isBlock = isBlock(node);
node.isCode = node.nodeName === 'CODE' || node.parentNode.isCode;
node.isBlank = isBlank(node);
node.flankingWhitespace = flankingWhitespace(node, options);
return node
}
function isBlank (node) {
return (
!isVoid(node) &&
!isMeaningfulWhenBlank(node) &&
/^\s*$/i.test(node.textContent) &&
!hasVoid(node) &&
!hasMeaningfulWhenBlank(node)
)
}
function flankingWhitespace (node, options) {
if (node.isBlock || (options.preformattedCode && node.isCode)) {
return { leading: '', trailing: '' }
}
var edges = edgeWhitespace(node.textContent);
// abandon leading ASCII WS if left-flanked by ASCII WS
if (edges.leadingAscii && isFlankedByWhitespace('left', node, options)) {
edges.leading = edges.leadingNonAscii;
}
// abandon trailing ASCII WS if right-flanked by ASCII WS
if (edges.trailingAscii && isFlankedByWhitespace('right', node, options)) {
edges.trailing = edges.trailingNonAscii;
}
return { leading: edges.leading, trailing: edges.trailing }
}
function edgeWhitespace (string) {
var m = string.match(/^(([ \t\r\n]*)(\s*))[\s\S]*?((\s*?)([ \t\r\n]*))$/);
return {
leading: m[1], // whole string for whitespace-only strings
leadingAscii: m[2],
leadingNonAscii: m[3],
trailing: m[4], // empty for whitespace-only strings
trailingNonAscii: m[5],
trailingAscii: m[6]
}
}
function isFlankedByWhitespace (side, node, options) {
var sibling;
var regExp;
var isFlanked;
if (side === 'left') {
sibling = node.previousSibling;
regExp = / $/;
} else {
sibling = node.nextSibling;
regExp = /^ /;
}
if (sibling) {
if (sibling.nodeType === 3) {
isFlanked = regExp.test(sibling.nodeValue);
} else if (options.preformattedCode && sibling.nodeName === 'CODE') {
isFlanked = false;
} else if (sibling.nodeType === 1 && !isBlock(sibling)) {
isFlanked = regExp.test(sibling.textContent);
}
}
return isFlanked
}
var reduce = Array.prototype.reduce;
var escapes = [
[/\\/g, '\\\\'],
[/\*/g, '\\*'],
[/^-/g, '\\-'],
[/^\+ /g, '\\+ '],
[/^(=+)/g, '\\$1'],
[/^(#{1,6}) /g, '\\$1 '],
[/`/g, '\\`'],
[/^~~~/g, '\\~~~'],
[/\[/g, '\\['],
[/\]/g, '\\]'],
[/^>/g, '\\>'],
[/_/g, '\\_'],
[/^(\d+)\. /g, '$1\\. ']
];
function TurndownService (options) {
if (!(this instanceof TurndownService)) return new TurndownService(options)
var defaults = {
rules: rules,
headingStyle: 'setext',
hr: '* * *',
bulletListMarker: '*',
codeBlockStyle: 'indented',
fence: '```',
emDelimiter: '_',
strongDelimiter: '**',
linkStyle: 'inlined',
linkReferenceStyle: 'full',
br: ' ',
preformattedCode: false,
blankReplacement: function (content, node) {
return node.isBlock ? '\n\n' : ''
},
keepReplacement: function (content, node) {
return node.isBlock ? '\n\n' + node.outerHTML + '\n\n' : node.outerHTML
},
defaultReplacement: function (content, node) {
return node.isBlock ? '\n\n' + content + '\n\n' : content
}
};
this.options = extend({}, defaults, options);
this.rules = new Rules(this.options);
}
TurndownService.prototype = {
/**
* The entry point for converting a string or DOM node to Markdown
* @public
* @param {String|HTMLElement} input The string or DOM node to convert
* @returns A Markdown representation of the input
* @type String
*/
turndown: function (input) {
if (!canConvert(input)) {
throw new TypeError(
input + ' is not a string, or an element/document/fragment node.'
)
}
if (input === '') return ''
var output = process.call(this, new RootNode(input, this.options));
return postProcess.call(this, output)
},
/**
* Add one or more plugins
* @public
* @param {Function|Array} plugin The plugin or array of plugins to add
* @returns The Turndown instance for chaining
* @type Object
*/
use: function (plugin) {
if (Array.isArray(plugin)) {
for (var i = 0; i < plugin.length; i++) this.use(plugin[i]);
} else if (typeof plugin === 'function') {
plugin(this);
} else {
throw new TypeError('plugin must be a Function or an Array of Functions')
}
return this
},
/**
* Adds a rule
* @public
* @param {String} key The unique key of the rule
* @param {Object} rule The rule
* @returns The Turndown instance for chaining
* @type Object
*/
addRule: function (key, rule) {
this.rules.add(key, rule);
return this
},
/**
* Keep a node (as HTML) that matches the filter
* @public
* @param {String|Array|Function} filter The unique key of the rule
* @returns The Turndown instance for chaining
* @type Object
*/
keep: function (filter) {
this.rules.keep(filter);
return this
},
/**
* Remove a node that matches the filter
* @public
* @param {String|Array|Function} filter The unique key of the rule
* @returns The Turndown instance for chaining
* @type Object
*/
remove: function (filter) {
this.rules.remove(filter);
return this
},
/**
* Escapes Markdown syntax
* @public
* @param {String} string The string to escape
* @returns A string with Markdown syntax escaped
* @type String
*/
escape: function (string) {
return escapes.reduce(function (accumulator, escape) {
return accumulator.replace(escape[0], escape[1])
}, string)
}
};
/**
* Reduces a DOM node down to its Markdown string equivalent
* @private
* @param {HTMLElement} parentNode The node to convert
* @returns A Markdown representation of the node
* @type String
*/
function process (parentNode) {
var self = this;
return reduce.call(parentNode.childNodes, function (output, node) {
node = new Node(node, self.options);
var replacement = '';
if (node.nodeType === 3) {
replacement = node.isCode ? node.nodeValue : self.escape(node.nodeValue);
} else if (node.nodeType === 1) {
replacement = replacementForNode.call(self, node);
}
return join(output, replacement)
}, '')
}
/**
* Appends strings as each rule requires and trims the output
* @private
* @param {String} output The conversion output
* @returns A trimmed version of the ouput
* @type String
*/
function postProcess (output) {
var self = this;
this.rules.forEach(function (rule) {
if (typeof rule.append === 'function') {
output = join(output, rule.append(self.options));
}
});
return output.replace(/^[\t\r\n]+/, '').replace(/[\t\r\n\s]+$/, '')
}
/**
* Converts an element node to its Markdown equivalent
* @private
* @param {HTMLElement} node The node to convert
* @returns A Markdown representation of the node
* @type String
*/
function replacementForNode (node) {
var rule = this.rules.forNode(node);
var content = process.call(this, node);
var whitespace = node.flankingWhitespace;
if (whitespace.leading || whitespace.trailing) content = content.trim();
return (
whitespace.leading +
rule.replacement(content, node, this.options) +
whitespace.trailing
)
}
/**
* Joins replacement to the current output with appropriate number of new lines
* @private
* @param {String} output The current conversion output
* @param {String} replacement The string to append to the output
* @returns Joined output
* @type String
*/
function join (output, replacement) {
var s1 = trimTrailingNewlines(output);
var s2 = trimLeadingNewlines(replacement);
var nls = Math.max(output.length - s1.length, replacement.length - s2.length);
var separator = '\n\n'.substring(0, nls);
return s1 + separator + s2
}
/**
* Determines whether an input can be converted
* @private
* @param {String|HTMLElement} input Describe this parameter
* @returns Describe what it returns
* @type String|Object|Array|Boolean|Number
*/
function canConvert (input) {
return (
input != null && (
typeof input === 'string' ||
(input.nodeType && (
input.nodeType === 1 || input.nodeType === 9 || input.nodeType === 11
))
)
)
}
return TurndownService;
})));
}).call(this)}).call(this,require('_process'))
},{"_process":1}],4:[function(require,module,exports){
/*
***** 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 *****
*/
let TurndownService = require('turndown/lib/turndown.browser.umd');
let turndownPluginGfm = require('turndown-plugin-gfm');
let turndownService = new TurndownService({
headingStyle: 'atx',
bulletListMarker: '-',
emDelimiter: '*',
codeBlockStyle: 'fenced'
});
turndownService.use(turndownPluginGfm.gfm);
// https://github.com/mixmark-io/turndown#overriding-turndownserviceprototypeescape
let escapes = [
// [/\\/g, '\\\\'],
[/\*/g, '\\*'],
[/^-/g, '\\-'],
[/^\+ /g, '\\+ '],
[/^(=+)/g, '\\$1'],
[/^(#{1,6}) /g, '\\$1 '],
[/`/g, '\\`'],
[/^~~~/g, '\\~~~'],
// [/\[/g, '\\['],
// [/\]/g, '\\]'],
[/^>/g, '\\>'],
// [/_/g, '\\_'],
[/^(\d+)\. /g, '$1\\. '],
// Custom corrections for the previous escapes
// [/\\\[\\\[/g, '[['],
// [/\\\]\\\]/g, ']]'],
[/\\`\\`\\`/g, '```']
];
TurndownService.prototype.escape = function (string) {
return escapes.reduce(function (accumulator, escape) {
return accumulator.replace(escape[0], escape[1])
}, string);
};
// https://github.com/mixmark-io/turndown/issues/291
turndownService.addRule('listItem', {
filter: 'li',
replacement: function (content, node, options) {
content = content
.replace(/^\n+/, '') // remove leading newlines
.replace(/\n+$/, '\n') // replace trailing newlines with just a single one
.replace(/\n/gm, '\n '); // indent
var prefix = options.bulletListMarker + ' ';
var parent = node.parentNode;
if (parent.nodeName === 'OL') {
var start = parent.getAttribute('start');
var index = Array.prototype.indexOf.call(parent.children, node);
prefix = (start ? Number(start) + index : index + 1) + '. ';
}
return (
prefix + content + (node.nextSibling && !/\n$/.test(content) ? '\n' : '')
);
}
});
function convert(doc) {
// Transform `style="text-decoration: line-through"` nodes to <s> (TinyMCE doesn't support <s>)
doc.querySelectorAll('span').forEach(function (span) {
if (span.style.textDecoration === 'line-through') {
let s = doc.createElement('s');
s.append(...span.childNodes);
span.replaceWith(s);
}
});
// Turndown wants pre content inside additional code block
doc.querySelectorAll('pre:not(.math)').forEach(function (pre) {
let code = doc.createElement('code');
code.append(...pre.childNodes);
pre.append(code);
});
doc.querySelectorAll('p').forEach((p) => {
let style = p.getAttribute('style');
if (style) {
let match = style.match(/padding-(left|right): ([0-9]+)px/);
if (match) {
let px = parseInt(match[2]);
if (px > 0 && px % 40 === 0) {
let level = px / 40;
let spaces = '';
for (let i = 0; i < level; i++) {
spaces += '\u00A0\u00A0\u00A0\u00A0';
}
p.insertBefore(doc.createTextNode(spaces), p.firstChild);
p.querySelectorAll('br').forEach((br) => {
br.parentNode.insertBefore(doc.createTextNode(spaces), br.nextSibling);
});
}
}
}
});
// 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 (Zotero.getOption("includeAppLinks")
&& 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);
}
}
}
});
// For now just insert a placeholder for embedded note images
doc.querySelectorAll('img[data-attachment-key]').forEach(function (img) {
img.replaceWith(doc.createTextNode('[image]'));
});
// 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) => {
return Zotero.getOption('includeAppLinks')
? `<a href="${uris[i]}">${item}</a>`
: item
}).join('; ') + ')';
}
});
let text = turndownService.turndown(doc.body);
// Remove lines with just two spaces which happens for `<p><br>test</p>`
text = text.split('\n').filter((line) => line !== ' ').join('\n');
return text;
}
bundle = { convert };
},{"turndown-plugin-gfm":2,"turndown/lib/turndown.browser.umd":3}]},{},[4]);
function doExport() {
Zotero.setCharacterSet('utf-8');
let item;
let first = true;
while (item = Zotero.nextItem()) {
if (item.itemType === 'note' || item.itemType === 'attachment') {
let doc = new DOMParser().parseFromString(item.note || '', 'text/html');
// Skip empty notes
// TODO: Take into account image-only notes
if (!doc.body.textContent.trim()) {
continue;
}
if (!first) {
Zotero.write('\n\n---\n\n');
}
first = false;
Zotero.write(bundle.convert(doc));
}
}
}