HackMD/public/js/extra.js

868 lines
No EOL
29 KiB
JavaScript

//auto update last change
var lastchangetime = null;
var lastchangeui = {
time: $(".ui-lastchange"),
user: $(".ui-lastchangeuser"),
nouser: $(".ui-no-lastchangeuser")
}
function updateLastChange() {
if (lastchangetime && lastchangeui) {
lastchangeui.time.html(moment(lastchangetime).fromNow());
lastchangeui.time.attr('title', moment(lastchangetime).format('llll'));
}
}
setInterval(updateLastChange, 60000);
function updateLastChangeUser(data) {
if (data.lastchangeuserprofile) {
var icon = lastchangeui.user.children('i');
icon.attr('title', data.lastchangeuserprofile.name).tooltip('fixTitle');
icon.attr('style', 'background-image:url(' + data.lastchangeuserprofile.photo + ')');
lastchangeui.user.show();
lastchangeui.nouser.hide();
} else {
lastchangeui.user.hide();
lastchangeui.nouser.show();
}
}
//get title
function getTitle(view) {
var h1s = view.find("h1");
var title = "";
if (h1s.length > 0) {
title = h1s.first().text();
} else {
title = null;
}
return title;
}
//render title
function renderTitle(view) {
var title = getTitle(view);
if (title) {
title += ' - HackMD';
} else {
title = 'HackMD - Collaborative notes';
}
return title;
}
//render filename
function renderFilename(view) {
var filename = getTitle(view);
if (!filename) {
filename = 'Untitled';
}
return filename;
}
function slugifyWithUTF8(text) {
var newText = S(text.toLowerCase()).trim().stripTags().dasherize().s;
newText = newText.replace(/([\!\"\#\$\%\&\'\(\)\*\+\,\.\/\:\;\<\=\>\?\@\[\\\]\^\`\{\|\}\~])/g, '');
return newText;
}
//parse meta
function parseMeta(md, edit, view, toc, tocAffix) {
var robots = null;
var lang = null;
var dir = null;
var breaks = true;
if (md && md.meta) {
var meta = md.meta;
robots = meta.robots;
lang = meta.lang;
dir = meta.dir;
breaks = meta.breaks;
}
//robots meta
var robotsMeta = $('meta[name=robots]');
if (robots) {
if (robotsMeta.length > 0)
robotsMeta.attr('content', robots);
else
$('head').prepend('<meta name="robots" content="' + robots + '">')
}
else
robotsMeta.remove();
//text language
if (lang) {
view.attr('lang', lang);
toc.attr('lang', lang);
tocAffix.attr('lang', lang);
if (edit)
edit.attr('lang', lang);
} else {
view.removeAttr('lang');
toc.removeAttr('lang');
tocAffix.removeAttr('lang');
if (edit)
edit.removeAttr('lang', lang);
}
//text direction
if (dir) {
view.attr('dir', dir);
toc.attr('dir', dir);
tocAffix.attr('dir', dir);
} else {
view.removeAttr('dir');
toc.removeAttr('dir');
tocAffix.removeAttr('dir');
}
//breaks
if (typeof breaks === 'boolean' && !breaks) {
md.options.breaks = false;
} else {
md.options.breaks = true;
}
}
var viewAjaxCallback = null;
//regex for extra tags
var spaceregex = /\s*/;
var notinhtmltagregex = /(?![^<]*>|[^<>]*<\/)/;
var coloregex = /\[color=([#|\(|\)|\s|\,|\w]*?)\]/;
coloregex = new RegExp(coloregex.source + notinhtmltagregex.source, "g");
var nameregex = /\[name=(.*?)\]/;
var timeregex = /\[time=([:|,|+|-|\(|\)|\s|\w]*?)\]/;
var nameandtimeregex = new RegExp(nameregex.source + spaceregex.source + timeregex.source + notinhtmltagregex.source, "g");
nameregex = new RegExp(nameregex.source + notinhtmltagregex.source, "g");
timeregex = new RegExp(timeregex.source + notinhtmltagregex.source, "g");
function replaceExtraTags(html) {
html = html.replace(coloregex, '<span class="color" data-color="$1"></span>');
html = html.replace(nameandtimeregex, '<small><i class="fa fa-user"></i> $1 <i class="fa fa-clock-o"></i> $2</small>');
html = html.replace(nameregex, '<small><i class="fa fa-user"></i> $1</small>');
html = html.replace(timeregex, '<small><i class="fa fa-clock-o"></i> $1</small>');
return html;
}
//dynamic event or object binding here
function finishView(view) {
//todo list
var lis = view.find('li.raw').removeClass("raw").sortByDepth().toArray();
for (var i = 0; i < lis.length; i++) {
var li = lis[i];
var html = $(li).clone()[0].innerHTML;
var p = $(li).children('p');
if (p.length == 1) {
html = p.html();
li = p[0];
}
html = replaceExtraTags(html);
li.innerHTML = html;
var disabled = 'disabled';
if(typeof editor !== 'undefined' && havePermission())
disabled = '';
if (/^\s*\[[x ]\]\s*/.test(html)) {
li.innerHTML = html.replace(/^\s*\[ \]\s*/, '<input type="checkbox" class="task-list-item-checkbox "' + disabled + '><label></label>')
.replace(/^\s*\[x\]\s*/, '<input type="checkbox" class="task-list-item-checkbox" checked ' + disabled + '><label></label>');
lis[i].setAttribute('class', 'task-list-item');
}
if (typeof editor !== 'undefined' && havePermission())
$(li).find('input').change(toggleTodoEvent);
//color tag in list will convert it to tag icon with color
var tag_color = $(li).closest('ul').find(".color");
tag_color.each(function (key, value) {
$(value).addClass('fa fa-tag').css('color', $(value).attr('data-color'));
});
}
//youtube
view.find(".youtube.raw").removeClass("raw")
.click(function () {
imgPlayiframe(this, '//www.youtube.com/embed/');
});
//vimeo
view.find(".vimeo.raw").removeClass("raw")
.click(function () {
imgPlayiframe(this, '//player.vimeo.com/video/');
})
.each(function (key, value) {
$.ajax({
type: 'GET',
url: '//vimeo.com/api/v2/video/' + $(value).attr('data-videoid') + '.json',
jsonp: 'callback',
dataType: 'jsonp',
success: function (data) {
var thumbnail_src = data[0].thumbnail_large;
var image = '<img src="' + thumbnail_src + '" />';
$(value).prepend(image);
}
});
});
//gist
view.find("code[data-gist-id]").each(function (key, value) {
if ($(value).children().length == 0)
$(value).gist(viewAjaxCallback);
});
//emojify
try {
emojify.run(view[0]);
} catch (err) {
console.error(err);
}
//mathjax
var mathjaxdivs = view.find('.mathjax.raw').removeClass("raw").toArray();
try {
for (var i = 0; i < mathjaxdivs.length; i++) {
MathJax.Hub.Queue(["Typeset", MathJax.Hub, mathjaxdivs[i].innerHTML]);
MathJax.Hub.Queue(viewAjaxCallback);
}
} catch (err) {}
//sequence diagram
var sequences = view.find(".sequence-diagram.raw").removeClass("raw");
sequences.each(function (key, value) {
try {
var sequence = $(value);
sequence.sequenceDiagram({
theme: 'simple'
});
sequence.parent().parent().replaceWith(sequence);
} catch (err) {
console.error(err);
}
});
//flowchart
var flow = view.find(".flow-chart.raw").removeClass("raw");
flow.each(function (key, value) {
try {
var chart = flowchart.parse($(value).text());
$(value).html('');
chart.drawSVG(value, {
'line-width': 2,
'fill': 'none',
'font-size': '16px',
'font-family': "'Andale Mono', monospace"
});
$(value).parent().parent().replaceWith(value);
} catch (err) {
console.error(err);
}
});
//graphviz
var graphvizs = view.find(".graphviz.raw").removeClass("raw");
graphvizs.each(function (key, value) {
try {
var graphviz = Viz($(value).text());
$(value).html(graphviz);
$(value).parent().parent().replaceWith(value);
} catch (err) {
console.error(err);
}
});
//image href new window(emoji not included)
var images = view.find("img.raw[src]").removeClass("raw");
images.each(function (key, value) {
var src = $(value).attr('src');
var a = $('<a>');
if (src) {
a.attr('href', src);
a.attr('target', "_blank");
}
var clone = $(value).clone();
clone[0].onload = function (e) {
if(viewAjaxCallback)
viewAjaxCallback();
};
a.html(clone);
$(value).replaceWith(a);
});
//blockquote
var blockquote = view.find("blockquote.raw").removeClass("raw");
var blockquote_p = blockquote.find("p");
blockquote_p.each(function (key, value) {
var html = $(value).html();
html = replaceExtraTags(html);
$(value).html(html);
});
//color tag in blockquote will change its left border color
var blockquote_color = blockquote.find(".color");
blockquote_color.each(function (key, value) {
$(value).closest("blockquote").css('border-left-color', $(value).attr('data-color'));
});
//slideshare
view.find(".slideshare.raw").removeClass("raw")
.each(function (key, value) {
$.ajax({
type: 'GET',
url: '//www.slideshare.net/api/oembed/2?url=http://www.slideshare.net/' + $(value).attr('data-slideshareid') + '&format=json',
jsonp: 'callback',
dataType: 'jsonp',
success: function (data) {
var $html = $(data.html);
var iframe = $html.closest('iframe');
var caption = $html.closest('div');
var inner = $('<div class="inner"></div>').append(iframe);
var height = iframe.attr('height');
var width = iframe.attr('width');
var ratio = (height / width) * 100;
inner.css('padding-bottom', ratio + '%');
$(value).html(inner).append(caption);
}
});
});
//speakerdeck
view.find(".speakerdeck.raw").removeClass("raw")
.each(function (key, value) {
var url = 'https://speakerdeck.com/oembed.json?url=https%3A%2F%2Fspeakerdeck.com%2F' + encodeURIComponent($(value).attr('data-speakerdeckid'));
//use yql because speakerdeck not support jsonp
$.ajax({
url: 'https://query.yahooapis.com/v1/public/yql',
data: {
q: "select * from json where url ='" + url + "'",
format: "json"
},
dataType: "jsonp",
success: function (data) {
var json = data.query.results.json;
var html = json.html;
var ratio = json.height / json.width;
$(value).html(html);
var iframe = $(value).children('iframe');
var src = iframe.attr('src');
if (src.indexOf('//') == 0)
iframe.attr('src', 'https:' + src);
var inner = $('<div class="inner"></div>').append(iframe);
var height = iframe.attr('height');
var width = iframe.attr('width');
var ratio = (height / width) * 100;
inner.css('padding-bottom', ratio + '%');
$(value).html(inner);
}
});
});
//render title
document.title = renderTitle(view);
}
//only static transform should be here
function postProcess(code) {
var result = $('<div>' + code + '</div>');
//link should open in new window or tab
result.find('a:not([href^="#"]):not([target])').attr('target', '_blank');
//update continue line numbers
var linenumberdivs = result.find('.gutter.linenumber').toArray();
for (var i = 0; i < linenumberdivs.length; i++) {
if ($(linenumberdivs[i]).hasClass('continue')) {
var startnumber = linenumberdivs[i - 1] ? parseInt($(linenumberdivs[i - 1]).find('> span').last().attr('data-linenumber')) : 0;
$(linenumberdivs[i]).find('> span').each(function(key, value) {
$(value).attr('data-linenumber', startnumber + key + 1);
});
}
}
return result;
}
//extract markdown body to html and compile to template
function exportToHTML(view) {
var title = renderTitle(ui.area.markdown);
var filename = renderFilename(ui.area.markdown) + '.html';
var src = view.clone();
var eles = src.find('*');
//remove syncscroll parts
eles.removeClass('part');
src.find('*[class=""]').removeAttr('class');
eles.removeAttr('data-startline data-endline');
eles.find("a[href^='#'][smoothhashscroll]").removeAttr('smoothhashscroll');
//remove gist content
src.find("code[data-gist-id]").children().remove();
//disable todo list
src.find("input.task-list-item-checkbox").attr('disabled', '');
//replace emoji image path
src.find("img.emoji").each(function (key, value) {
var name = $(value).attr('alt');
name = name.substr(1);
name = name.slice(0, name.length - 1);
$(value).attr('src', 'https://www.tortue.me/emoji/' + name + '.png');
});
//replace video to iframe
src.find("div[data-videoid]").each(function (key, value) {
var id = $(value).attr('data-videoid');
var style = $(value).attr('style');
var url = null;
if ($(value).hasClass('youtube')) {
url = 'https://www.youtube.com/embed/';
} else if ($(value).hasClass('vimeo')) {
url = 'https://player.vimeo.com/video/';
}
if (url) {
var iframe = $('<iframe frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>');
iframe.attr('src', url + id);
iframe.attr('style', style);
$(value).html(iframe);
}
});
//generate toc
var toc = $('#toc').clone();
toc.find('*').removeClass('active');
var tocAffix = $('#toc-affix').clone();
tocAffix.find('*').removeClass('active');
//generate html via template
$.get('/css/html.min.css', function (css) {
$.get('/views/html.hbs', function (data) {
var template = Handlebars.compile(data);
var context = {
title: title,
css: css,
html: src[0].outerHTML,
toc: toc.html(),
'toc-affix': tocAffix.html(),
robots: (md && md.meta && md.meta.robots) ? '<meta name="robots" content="' + md.meta.robots + '">' : null,
lang: (md && md.meta && md.meta.lang) ? 'lang="' + md.meta.lang + '"' : null,
dir: (md && md.meta && md.meta.dir) ? 'dir="' + md.meta.dir + '"' : null
};
var html = template(context);
// console.log(html);
var blob = new Blob([html], {
type: "text/html;charset=utf-8"
});
saveAs(blob, filename);
});
});
}
//jQuery sortByDepth
$.fn.sortByDepth = function () {
var ar = this.map(function () {
return {
length: $(this).parents().length,
elt: this
}
}).get(),
result = [],
i = ar.length;
ar.sort(function (a, b) {
return a.length - b.length;
});
while (i--) {
result.push(ar[i].elt);
}
return $(result);
};
function toggleTodoEvent(e) {
var startline = $(this).closest('li').attr('data-startline') - 1;
var line = editor.getLine(startline);
var matches = line.match(/^[>\s]*[\-\+\*]\s\[([x ])\]/);
if (matches && matches.length >= 2) {
var checked = null;
if (matches[1] == 'x')
checked = true;
else if (matches[1] == ' ')
checked = false;
var replacements = matches[0].match(/(^[>\s]*[\-\+\*]\s\[)([x ])(\])/);
editor.replaceRange(checked ? ' ' : 'x', {
line: startline,
ch: replacements[1].length
}, {
line: startline,
ch: replacements[1].length + 1
}, '+input');
}
}
//remove hash
function removeHash() {
history.pushState("", document.title, window.location.pathname + window.location.search);
}
//toc
function generateToc(id) {
var target = $('#' + id);
target.html('');
new Toc('doc', {
'level': 3,
'top': -1,
'class': 'toc',
'ulClass': 'nav',
'targetId': id
});
if (target.text() == 'undefined')
target.html('');
var backtotop = $('<a class="back-to-top" href="#">Back to top</a>');
var gotobottom = $('<a class="go-to-bottom" href="#">Go to bottom</a>');
backtotop.click(function (e) {
e.preventDefault();
e.stopPropagation();
if (scrollToTop)
scrollToTop();
removeHash();
});
gotobottom.click(function (e) {
e.preventDefault();
e.stopPropagation();
if (scrollToBottom)
scrollToBottom();
removeHash();
});
target.append(backtotop).append(gotobottom);
}
//smooth all hash trigger scrolling
function smoothHashScroll() {
var hashElements = $("a[href^='#']:not([smoothhashscroll])").toArray();
for (var i = 0; i < hashElements.length; i++) {
var element = hashElements[i];
var $element = $(element);
var hash = element.hash;
if (hash) {
$element.on('click', function (e) {
// store hash
var hash = decodeURIComponent(this.hash);
if ($(hash).length <= 0) return;
// prevent default anchor click behavior
e.preventDefault();
// animate
$('body, html').stop(true, true).animate({
scrollTop: $(hash).offset().top
}, 100, "linear", function () {
// when done, add hash to url
// (default click behaviour)
window.location.hash = hash;
});
});
$element.attr('smoothhashscroll', '');
}
}
}
function imgPlayiframe(element, src) {
if (!$(element).attr("data-videoid")) return;
var iframe = $("<iframe frameborder='0' webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>");
$(iframe).attr("src", src + $(element).attr("data-videoid") + '?autoplay=1');
$(element).find('img').css('visibility', 'hidden');
$(element).append(iframe);
}
var anchorForId = function (id) {
var anchor = document.createElement("a");
anchor.className = "header-link hidden-xs";
anchor.href = "#" + id;
anchor.innerHTML = "<span class=\"sr-only\"></span><i class=\"fa fa-link\"></i>";
anchor.title = id;
return anchor;
};
var linkifyAnchors = function (level, containingElement) {
var headers = containingElement.getElementsByTagName("h" + level);
for (var h = 0; h < headers.length; h++) {
var header = headers[h];
if (header.getElementsByClassName("header-link").length == 0) {
if (typeof header.id == "undefined" || header.id == "") {
//to escape characters not allow in css and humanize
var id = slugifyWithUTF8(header.innerHTML);
header.id = id;
}
header.appendChild(anchorForId(header.id));
}
}
};
function autoLinkify(view) {
var contentBlock = view[0];
if (!contentBlock) {
return;
}
for (var level = 1; level <= 6; level++) {
linkifyAnchors(level, contentBlock);
}
}
function deduplicatedHeaderId(view) {
var headers = view.find(':header.raw').removeClass('raw').toArray();
for (var i = 0; i < headers.length; i++) {
var id = $(headers[i]).attr('id');
if (!id) continue;
var duplicatedHeaders = view.find(':header[id="' + id + '"]').toArray();
for (var j = 0; j < duplicatedHeaders.length; j++) {
if (duplicatedHeaders[j] != headers[i]) {
var newId = id + j;
var $duplicatedHeader = $(duplicatedHeaders[j]);
$duplicatedHeader.attr('id', newId);
var $headerLink = $duplicatedHeader.find('> .header-link');
$headerLink.attr('href', '#' + newId);
$headerLink.attr('title', newId);
}
}
}
}
function renderTOC(view) {
var tocs = view.find('.toc').toArray();
for (var i = 0; i < tocs.length; i++) {
var toc = $(tocs[i]);
var id = 'toc' + i;
toc.attr('id', id);
var target = $('#' + id);
target.html('');
new Toc('doc', {
'level': 3,
'top': -1,
'class': 'toc',
'targetId': id
});
if (target.text() == 'undefined')
target.html('');
target.replaceWith(target.html());
}
}
function scrollToHash() {
var hash = location.hash;
location.hash = "";
location.hash = hash;
}
function highlightRender(code, lang) {
if (!lang || /no(-?)highlight|plain|text/.test(lang))
return;
if (lang == 'sequence') {
return '<div class="sequence-diagram raw">' + code + '</div>';
} else if (lang == 'flow') {
return '<div class="flow-chart raw">' + code + '</div>';
} else if (lang == 'graphviz') {
return '<div class="graphviz raw">' + code + '</div>';
}
var reallang = lang.replace(/\=$|\=\d+$|\=\+$/, '');
var languages = hljs.listLanguages();
if (languages.indexOf(reallang) == -1) {
var result = hljs.highlightAuto(code);
} else {
var result = hljs.highlight(reallang, code);
}
var showlinenumbers = /\=$|\=\d+$|\=\+$/.test(lang);
if (showlinenumbers) {
var startnumber = 1;
var matches = lang.match(/\=(\d+)$/);
if (matches)
startnumber = parseInt(matches[1]);
var lines = result.value.split('\n');
var linenumbers = [];
for (var i = 0; i < lines.length - 1; i++) {
linenumbers[i] = "<span data-linenumber='" + (startnumber + i) + "'></span>";
}
var continuelinenumber = /\=\+$/.test(lang);
var linegutter = "<div class='gutter linenumber" + (continuelinenumber ? " continue" : "") + "'>" + linenumbers.join('\n') + "</div>";
result.value = "<div class='wrapper'>" + linegutter + "<div class='code'>" + result.value + "</div></div>";
}
return result.value;
}
emojify.setConfig({
blacklist: {
elements: ['script', 'textarea', 'a', 'pre', 'code', 'svg'],
classes: ['no-emojify']
},
img_dir: '/vendor/emojify/images',
ignore_emoticons: true
});
var md = new Remarkable('full', {
html: true,
breaks: true,
langPrefix: "",
linkify: true,
typographer: true,
highlight: highlightRender
});
md.renderer.rules.image = function (tokens, idx, options /*, env */ ) {
var src = ' src="' + Remarkable.utils.escapeHtml(tokens[idx].src) + '"';
var title = tokens[idx].title ? (' title="' + Remarkable.utils.escapeHtml(Remarkable.utils.replaceEntities(tokens[idx].title)) + '"') : '';
var alt = ' alt="' + (tokens[idx].alt ? Remarkable.utils.escapeHtml(Remarkable.utils.replaceEntities(tokens[idx].alt)) : '') + '"';
var suffix = options.xhtmlOut ? ' /' : '';
return '<img class="raw"' + src + alt + title + suffix + '>';
}
md.renderer.rules.list_item_open = function ( /* tokens, idx, options, env */ ) {
return '<li class="raw">';
};
md.renderer.rules.blockquote_open = function (tokens, idx /*, options, env */ ) {
return '<blockquote class="raw">\n';
};
md.renderer.rules.heading_open = function (tokens, idx) {
return '<h' + tokens[idx].hLevel + ' class="raw">';
};
md.renderer.rules.fence = function (tokens, idx, options, env, self) {
var token = tokens[idx];
var langClass = '';
var langPrefix = options.langPrefix;
var langName = '',
fenceName;
var highlighted;
if (token.params) {
//
// ```foo bar
//
// Try custom renderer "foo" first. That will simplify overwrite
// for diagrams, latex, and any other fenced block with custom look
//
fenceName = token.params.split(/\s+/g)[0];
if (Remarkable.utils.has(self.rules.fence_custom, fenceName)) {
return self.rules.fence_custom[fenceName](tokens, idx, options, env, self);
}
langName = Remarkable.utils.escapeHtml(Remarkable.utils.replaceEntities(Remarkable.utils.unescapeMd(fenceName)));
langClass = ' class="' + langPrefix + langName.replace(/\=$|\=\d+$|\=\+$/, '') + ' hljs"';
}
if (options.highlight) {
highlighted = options.highlight(token.content, langName) || Remarkable.utils.escapeHtml(token.content);
} else {
highlighted = Remarkable.utils.escapeHtml(token.content);
}
return '<pre><code' + langClass + '>' + highlighted + '</code></pre>' + md.renderer.getBreak(tokens, idx);
};
//youtube
var youtubePlugin = new Plugin(
// regexp to match
/{%youtube\s*([\d\D]*?)\s*%}/,
// this function will be called when something matches
function (match, utils) {
var videoid = match[1];
if (!videoid) return;
var div = $('<div class="youtube raw"></div>');
div.attr('data-videoid', videoid);
var thumbnail_src = '//img.youtube.com/vi/' + videoid + '/hqdefault.jpg';
var image = '<img src="' + thumbnail_src + '" />';
div.append(image);
var icon = '<i class="icon fa fa-youtube-play fa-5x"></i>';
div.append(icon);
return div[0].outerHTML;
}
);
//vimeo
var vimeoPlugin = new Plugin(
// regexp to match
/{%vimeo\s*([\d\D]*?)\s*%}/,
// this function will be called when something matches
function (match, utils) {
var videoid = match[1];
if (!videoid) return;
var div = $('<div class="vimeo raw"></div>');
div.attr('data-videoid', videoid);
var icon = '<i class="icon fa fa-vimeo-square fa-5x"></i>';
div.append(icon);
return div[0].outerHTML;
}
);
//gist
var gistPlugin = new Plugin(
// regexp to match
/{%gist\s*([\d\D]*?)\s*%}/,
// this function will be called when something matches
function (match, utils) {
var gistid = match[1];
var code = '<code data-gist-id="' + gistid + '"/>';
return code;
}
);
//mathjax
var mathjaxPlugin = new Plugin(
// regexp to match
/^\$\$\n([\d\D]*?)\n\$\$$|\$([\d\D]*?)\$/,
// this function will be called when something matches
function (match, utils) {
if (match.index == 0)
return '<span class="mathjax raw">' + match[0] + '</span>';
else
return match.input.slice(0, match[0].length);
}
);
//TOC
var tocPlugin = new Plugin(
// regexp to match
/^\[TOC\]$/,
// this function will be called when something matches
function (match, utils) {
return '<div class="toc"></div>';
}
);
//slideshare
var slidesharePlugin = new Plugin(
// regexp to match
/{%slideshare\s*([\d\D]*?)\s*%}/,
// this function will be called when something matches
function (match, utils) {
var slideshareid = match[1];
var div = $('<div class="slideshare raw"></div>');
div.attr('data-slideshareid', slideshareid);
return div[0].outerHTML;
}
);
//speakerdeck
var speakerdeckPlugin = new Plugin(
// regexp to match
/{%speakerdeck\s*([\d\D]*?)\s*%}/,
// this function will be called when something matches
function (match, utils) {
var speakerdeckid = match[1];
var div = $('<div class="speakerdeck raw"></div>');
div.attr('data-speakerdeckid', speakerdeckid);
return div[0].outerHTML;
}
);
//yaml meta, from https://github.com/eugeneware/remarkable-meta
function get(state, line) {
var pos = state.bMarks[line];
var max = state.eMarks[line];
return state.src.substr(pos, max - pos);
}
function meta(state, start, end, silent) {
if (start !== 0 || state.blkIndent !== 0) return false;
if (state.tShift[start] < 0) return false;
if (!get(state, start).match(/^---$/)) return false;
var data = [];
for (var line = start + 1; line < end; line++) {
var str = get(state, line);
if (str.match(/^(\.{3}|-{3})$/)) break;
if (state.tShift[line] < 0) break;
data.push(str);
}
if (line >= end) return false;
try {
md.meta = jsyaml.safeLoad(data.join('\n')) || {};
} catch(err) {
console.error(err);
return false;
}
state.line = line + 1;
return true;
}
function metaPlugin(md) {
md.meta = md.meta || {};
md.block.ruler.before('code', 'meta', meta, {
alt: []
});
}
md.use(metaPlugin);
md.use(youtubePlugin);
md.use(vimeoPlugin);
md.use(gistPlugin);
md.use(mathjaxPlugin);
md.use(tocPlugin);
md.use(slidesharePlugin);
md.use(speakerdeckPlugin);