From 1452200c79f7300b57f7b6f493ab9c6cccd1dce6 Mon Sep 17 00:00:00 2001
From: Laurent Cozic <laurent@cozic.net>
Date: Sat, 11 May 2019 00:26:27 +0100
Subject: [PATCH] Fixed handling of tables with empty headers

---
 build_for_test.sh | 10 ++++++++++
 src/tables.js     | 14 +++++++++-----
 2 files changed, 19 insertions(+), 5 deletions(-)
 create mode 100644 build_for_test.sh

diff --git a/build_for_test.sh b/build_for_test.sh
new file mode 100644
index 000000000..3283e1c5d
--- /dev/null
+++ b/build_for_test.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+ROOT_DIR=/mnt/d/Web/www/joplin
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+set -e
+npm run build
+# rsync -a ./dist/ $ROOT_DIR/ElectronClient/app/node_modules/joplin-turndown-plugin-gfm/dist/
+# rsync -a ./lib/ $ROOT_DIR/ElectronClient/app/node_modules/joplin-turndown-plugin-gfm/lib/
+rm -rf $ROOT_DIR/CliClient/node_modules/joplin-turndown-plugin-gfm
+ln -s "$CURRENT_DIR" $ROOT_DIR/CliClient/node_modules/joplin-turndown-plugin-gfm
+$ROOT_DIR/CliClient/run_test.sh HtmlToMd
\ No newline at end of file
diff --git a/src/tables.js b/src/tables.js
index 980ed1e3d..b76d87255 100644
--- a/src/tables.js
+++ b/src/tables.js
@@ -49,16 +49,20 @@ rules.table = {
   replacement: function (content, node) {
     if (tableShouldBeSkipped(node)) return content;
 
+    // Ensure there are no blank lines
+    content = content.replace(/\n+/g, '\n')
+
     // If table has no heading, add an empty one so as to get a valid Markdown table
-    var firstRow = node.rows.length ? node.rows[0] : null
-    var columnCount = tableColCount(node); //firstRow ? firstRow.childNodes.length : 0
+    var secondLine = content.split('\n');
+    if (secondLine.length >= 2) secondLine = secondLine[1]
+    var secondLineIsDivider = secondLine.indexOf('| ---') === 0
+    
+    var columnCount = tableColCount(node);
     var emptyHeader = ''
-    if (columnCount && !isHeadingRow(firstRow)) {
+    if (columnCount && !secondLineIsDivider) {
       emptyHeader = '|' + '     |'.repeat(columnCount) + '\n' + '|' + ' --- |'.repeat(columnCount)
     }
 
-    // Ensure there are no blank lines
-    content = content.replace(/\n+/g, '\n')
     return '\n\n' + emptyHeader + content + '\n\n'
   }
 }