From abe0f9098a08d5c59a5e34a61919186b5dad864a Mon Sep 17 00:00:00 2001
From: Antonin Stefanutti <antonin@stefanutti.fr>
Date: Mon, 28 Aug 2017 22:05:33 +0200
Subject: [PATCH] Work-around Remark rendering issue with screen media
 emulation

---
 plugins/remark.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/plugins/remark.js b/plugins/remark.js
index 37202b4..9114400 100644
--- a/plugins/remark.js
+++ b/plugins/remark.js
@@ -16,6 +16,21 @@ class Remark {
       typeof remark === 'object' && typeof slideshow === 'object');
   }
 
+  async configure() {
+    await this.page.emulateMedia(null);
+    await this.page.evaluate(_ => {
+      for (let j = 0; j < document.styleSheets.length; j++) {
+        const sheet = document.styleSheets[j];
+        if (!sheet.rules) continue;
+        for (let i = sheet.rules.length - 1; i >= 0; i--) {
+          if (sheet.rules[i].cssText.indexOf('@media print') >= 0) {
+            sheet.deleteRule(i);
+          }
+        }
+      }
+    });
+  }
+
   slideCount() {
     return this.page.evaluate(_ => slideshow.getSlideCount());
   }