fix: avoid breaking escaped characters (#156)

fixes #154

---------

Co-authored-by: Ahmed <musallam@adobe.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: 3 people

src/to-markdown.js

@@ -583,8 +583,13 @@ function blockCodeWithTable(node, parent, context) {
       const lines = [];
       for (let line of value.split('\n')) {
         while (line.length > lineWidth) {
-          lines.push(`${line.substring(0, lineWidth)}\u0083`);
-          line = line.substring(lineWidth);
+          // avoid splitting escaped characters
+          let len = lineWidth;
+          if (line[len - 1] === '\\') {
+            len -= 1;
+          }
+          lines.push(`${line.substring(0, len)}\u0083`);
+          line = line.substring(len);
         }
         lines.push(line);
       }

test/fixtures/gt-wide.html

@@ -16,6 +16,19 @@ <h2>Table with wide code block</h2>
         </tr>
     </tbody>
 </table>
+<table>
+    <tbody>
+        <tr>
+            <td>Super Code Example</td>
+        </tr>
+        <tr>
+            <td>
+                <pre><code class="language-js">const test = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever +since the 1500s, when an unknown printer took";
+</code></pre>
+            </td>
+        </tr>
+    </tbody>
+</table>
 <table>
     <tbody>
         <tr>

test/fixtures/gt-wide.md

@@ -20,6 +20,15 @@
 | ```                                                                                                                                                      |
 +----------------------------------------------------------------------------------------------------------------------------------------------------------+
 
++---------------------------------------------------------------------------------------------------------------------------------------------------------+
+| Super Code Example                                                                                                                                      |
++---------------------------------------------------------------------------------------------------------------------------------------------------------+
+| ```js                                                                                                                                                   |
+| const test = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever ƒ |
+| \+since the 1500s, when an unknown printer took";                                                                                                       |
+| ```                                                                                                                                                     |
++---------------------------------------------------------------------------------------------------------------------------------------------------------+
+
 +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 | # Wide Heading: Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. |
 +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

test/gridtable-to-md.test.js

@@ -52,6 +52,8 @@ const CODE_WIDE = `"examples": {
   }
 }`;
 
+const CODE_WIDE_ESCAPE_CHAR = 'const test = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry\'s standard dummy text ever +since the 1500s, when an unknown printer took";';
+
 function brk() {
   return {
     type: 'break',
@@ -575,6 +577,14 @@ describe('gridtable to md', () => {
           gtCell(code('json', CODE_WIDE)),
         ]),
       ]),
+      gridTable([
+        gtRow([
+          gtCell(text('Super Code Example')),
+        ]),
+        gtRow([
+          gtCell(code('js', CODE_WIDE_ESCAPE_CHAR)),
+        ]),
+      ]),
       gridTable([
         gtRow([
           gtCell(heading(1, text('Wide Heading: Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.'))),