1639 lines
46 KiB
JavaScript
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 *****
|
||
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|
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Copyright © 2021 Corporation for Digital Scholarship
|
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|
Vienna, Virginia, USA
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|
http://digitalscholar.org/
|
||
|
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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
|
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|
(at your option) any later version.
|
||
|
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|
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.
|
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|
You should have received a copy of the GNU Affero General Public License
|
||
|
along with Zotero. If not, see <http://www.gnu.org/licenses/>.
|
||
|
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***** END LICENSE BLOCK *****
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*/
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let bundle;
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(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
|
||
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// function because try/catches deoptimize in certain engines.
|
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|
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var cachedSetTimeout;
|
||
|
var cachedClearTimeout;
|
||
|
|
||
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function defaultSetTimout() {
|
||
|
throw new Error('setTimeout has not been defined');
|
||
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}
|
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function defaultClearTimeout () {
|
||
|
throw new Error('clearTimeout has not been defined');
|
||
|
}
|
||
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(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;
|
||
|
}
|
||
|
} ())
|
||
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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);
|
||
|
}
|
||
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}
|
||
|
|
||
|
|
||
|
}
|
||
|
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
|
||
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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
|
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return cachedClearTimeout.call(this, marker);
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||
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}
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||
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}
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}
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var queue = [];
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var draining = false;
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var currentQueue;
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var queueIndex = -1;
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function cleanUpNextTick() {
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if (!draining || !currentQueue) {
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return;
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}
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draining = false;
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if (currentQueue.length) {
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queue = currentQueue.concat(queue);
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} else {
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queueIndex = -1;
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}
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if (queue.length) {
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drainQueue();
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}
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}
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function drainQueue() {
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if (draining) {
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return;
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}
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var timeout = runTimeout(cleanUpNextTick);
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draining = true;
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var len = queue.length;
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while(len) {
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currentQueue = queue;
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queue = [];
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while (++queueIndex < len) {
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if (currentQueue) {
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currentQueue[queueIndex].run();
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}
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}
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queueIndex = -1;
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len = queue.length;
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||
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}
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currentQueue = null;
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draining = false;
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runClearTimeout(timeout);
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||
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}
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||
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process.nextTick = function (fun) {
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||
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var args = new Array(arguments.length - 1);
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||
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if (arguments.length > 1) {
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for (var i = 1; i < arguments.length; i++) {
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args[i - 1] = arguments[i];
|
||
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}
|
||
|
}
|
||
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queue.push(new Item(fun, args));
|
||
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if (queue.length === 1 && !draining) {
|
||
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runTimeout(drainQueue);
|
||
|
}
|
||
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};
|
||
|
|
||
|
// v8 likes predictible objects
|
||
|
function Item(fun, array) {
|
||
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this.fun = fun;
|
||
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this.array = array;
|
||
|
}
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||
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Item.prototype.run = function () {
|
||
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this.fun.apply(null, this.array);
|
||
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};
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||
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process.title = 'browser';
|
||
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process.browser = true;
|
||
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process.env = {};
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||
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process.argv = [];
|
||
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process.version = ''; // empty string to avoid regexp issues
|
||
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process.versions = {};
|
||
|
|
||
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function noop() {}
|
||
|
|
||
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process.on = noop;
|
||
|
process.addListener = noop;
|
||
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process.once = noop;
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||
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process.off = noop;
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||
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process.removeListener = noop;
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||
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process.removeAllListeners = noop;
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||
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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));
|
||
|
}
|
||
|
}
|
||
|
}
|