added footnotes

index.html

@@ -29,7 +29,8 @@
 
     <script src="https://cdn.jsdelivr.net/npm/showdown@1.9.0/dist/showdown.min.js"></script>
     <script src="https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/prettify.js"></script>
-    <script src="scripts/showdown-prettify.js"></script>
+    <script src="shared/showdown-prettify.js"></script>
+    <script src="shared/showdown-footnotes.js"></script>
 
     <script src="scripts/main.js"></script>
 </head>

node/blog.js

@@ -2,12 +2,14 @@ const {
     JSDOM
 } = require("jsdom");
 const fs = require("fs");
-require("showdown-prettify");
+
 const showdown = require("showdown");
+require("../shared/showdown-prettify");
+require("../shared/showdown-footnotes");
 const converter = new showdown.Converter({
     parseImgDimensions: true,
     headerLevelStart: 3,
-    extensions: ["prettify"]
+    extensions: ["prettify", "footnotes"]
 });
 
 module.exports = function () {

node/rss.js

@@ -2,9 +2,13 @@ const {
     Feed
 } = require("feed");
 const fs = require("fs");
+
 const showdown = require("showdown");
+require("../shared/showdown-prettify");
+require("../shared/showdown-footnotes");
 const converter = new showdown.Converter({
-    parseImgDimensions: true
+    parseImgDimensions: true,
+    extensions: ["prettify", "footnotes"]
 });
 
 module.exports = function () {

scripts/blog.js

@@ -1,7 +1,7 @@
 let converter = new showdown.Converter({
     parseImgDimensions: true,
     headerLevelStart: 3,
-    extensions: ["prettify"]
+    extensions: ["prettify", "footnotes"]
 });
 $.ajax({
     dataType: "json",

shared/showdown-footnotes.js

@@ -0,0 +1,46 @@
+// Modified version of https://github.com/Kriegslustig/showdown-footnotes
+
+/*! showdown-prettify 06-01-2016 */
+(function (extension) {
+    'use strict';
+
+    if (typeof showdown !== 'undefined') {
+        extension(showdown);
+    } else if (typeof define === 'function' && define.amd) {
+        define(['showdown'], extension);
+    } else if (typeof exports === 'object') {
+        module.exports = extension(require('showdown'));
+    } else {
+        throw Error('Could not find showdown library');
+    }
+
+}(function (showdown) {
+    'use strict';
+    showdown.extension('footnotes', function () {
+        return [{
+            type: 'lang',
+            filter: function filter(text) {
+                return text.replace(/^\[\^([\d\w]+)\]:\s*((\n+(\s{2,4}|\t).+)+)$/mg, function (str, name, rawContent, _, padding) {
+                    var content = converter.makeHtml(rawContent.replace(new RegExp('^' + padding, 'gm'), ''));
+                    return '<a class="blog-anchor" id="footnote-' + name + '"></a><div class="footnote">[' + name + ']:' + content + '</div>';
+                });
+            }
+        }, {
+            type: 'lang',
+            filter: function filter(text) {
+                return text.replace(/^\[\^([\d\w]+)\]:( |\n)((.+\n)*.+)$/mg, function (str, name, _, content) {
+                    return '<a class="blog-anchor" id="footnote-' + name + '"></a><small class="footnote">[' + name + ']: ' + content + '</small>';
+                });
+            }
+        }, {
+            type: 'lang',
+            filter: function filter(text) {
+                return text.replace(/\[\^([\d\w]+)\]/m, function (str, name) {
+                    return '<a href="#footnote-' + name + '"><sup>[' + name + ']</sup></a>';
+                });
+            }
+        }];
+    });
+}));
+
+//# sourceMappingURL=showdown-prettify.js.map

shared/showdown-prettify.js

@@ -1,3 +1,5 @@
+// Modified version of https://github.com/showdownjs/prettify-extension
+
 /*! showdown-prettify 06-01-2016 */
 (function (extension) {
     'use strict';