From 6e43d0c23e7e4106aa62f96418a49bfecd97c8f5 Mon Sep 17 00:00:00 2001
From: Mario Kahlhofer <mario.kahlhofer@dynatrace.com>
Date: Tue, 19 Oct 2021 11:00:15 +0200
Subject: [PATCH 1/3] Replace marked with markdown-it

---
 lib/index.js | 13 +++++++------
 package.json | 10 ++++++++--
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index 7e36978..3ea3185 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,7 +1,8 @@
 var Q = require('q');
 var debug = require('debug');
 var path = require('path');
-var marked = require('marked');
+var markdownIt = require('markdown-it');
+var markdownItAttrs = require('markdown-it-attrs');
 var hljs = require('highlight.js');
 var yaml = require('js-yaml');
 var mustache = require('mustache');
@@ -60,8 +61,7 @@ function Cleaver(document, options, includePath) {
   this.slides = [];
   this.override = false;
 
-  marked.setOptions({
-    gfm: true,
+  this.md = markdownIt({
     highlight: function (code, lang) {
       try {
         return hljs.highlight(lang, code).value;
@@ -69,7 +69,8 @@ function Cleaver(document, options, includePath) {
         return code;
       }
     }
-  });
+  })
+    .use(markdownItAttrs);
 }
 
 
@@ -274,7 +275,7 @@ Cleaver.prototype.renderSlideshow = function () {
  * @return {string} The formatted slide
  */
 Cleaver.prototype.renderSlide = function (content) {
-  return marked(content);
+  return this.md.render(content);
 };
 
 
@@ -295,7 +296,7 @@ Cleaver.prototype.renderAuthorSlide = function (content) {
  * @param {string} The full document
  * @return {Array.<string>} A list of all slides
  */
-Cleaver.prototype.slice = function(document) {
+Cleaver.prototype.slice = function (document) {
   var cuts = document.split(/\n(?=\-\-)/);
   var slices = [];
   var nlIndex;
diff --git a/package.json b/package.json
index 126cbb6..0227733 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,12 @@
   "version": "0.8.6",
   "author": "Jordan Scales <scalesjordan@gmail.com>",
   "description": "30-second slideshows for hackers",
-  "keywords": ["markdown", "static", "slideshow", "presentation"],
+  "keywords": [
+    "markdown",
+    "static",
+    "slideshow",
+    "presentation"
+  ],
   "bin": {
     "cleaver": "./bin/cleaver"
   },
@@ -18,7 +23,8 @@
     "debug": "^3.1.0",
     "highlight.js": "~9.12.0",
     "js-yaml": "3.10.0",
-    "marked": "^0.3.7",
+    "markdown-it": "^12.2.0",
+    "markdown-it-attrs": "^4.1.0",
     "mustache": "^2.3.0",
     "q": "1.5.1",
     "tiny-lr": "^1.0.5"

From 448ade4c9b1219acae875778f8a90497862d62c4 Mon Sep 17 00:00:00 2001
From: Mario Kahlhofer <mario.kahlhofer@dynatrace.com>
Date: Tue, 19 Oct 2021 11:03:26 +0200
Subject: [PATCH 2/3] Bump higlight.js to 11.3

---
 lib/index.js | 10 ++++++----
 package.json |  2 +-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index 3ea3185..2b66862 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -63,11 +63,13 @@ function Cleaver(document, options, includePath) {
 
   this.md = markdownIt({
     highlight: function (code, lang) {
-      try {
-        return hljs.highlight(lang, code).value;
-      } catch (e) {
-        return code;
+      if (lang && hljs.getLanguage(lang)) {
+        try {
+          return hljs.highlight(code, { language: lang }).value;
+        } catch (__) { }
       }
+
+      return ''; // use external default escaping
     }
   })
     .use(markdownItAttrs);
diff --git a/package.json b/package.json
index 0227733..3e40bdc 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "commander": "~2.12.2",
     "debug": "^3.1.0",
-    "highlight.js": "~9.12.0",
+    "highlight.js": "^11.3.1",
     "js-yaml": "3.10.0",
     "markdown-it": "^12.2.0",
     "markdown-it-attrs": "^4.1.0",

From 2b2b8decf6b8df13183c277a1856a95928c51437 Mon Sep 17 00:00:00 2001
From: Mario Kahlhofer <mario.kahlhofer@dynatrace.com>
Date: Tue, 19 Oct 2021 14:36:39 +0200
Subject: [PATCH 3/3] Allow HTML tags in source as marked did it

---
 lib/index.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/index.js b/lib/index.js
index 2b66862..bcc7157 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -62,6 +62,7 @@ function Cleaver(document, options, includePath) {
   this.override = false;
 
   this.md = markdownIt({
+    html: true,
     highlight: function (code, lang) {
       if (lang && hljs.getLanguage(lang)) {
         try {