From 935ad309c3100a0fc15b3e6be47b99651548cf98 Mon Sep 17 00:00:00 2001
From: Tom Medema <tommedema@gmail.com>
Date: Thu, 5 Apr 2018 10:52:31 -0700
Subject: [PATCH] implemented removeEmptyTextNodes boolean (defaults to true to
 prevent breaking changes); fixes #989

---
 src/editor/config/config.js    | 3 +++
 src/editor/index.js            | 1 +
 src/parser/model/ParserHtml.js | 9 ++++++---
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/editor/config/config.js b/src/editor/config/config.js
index 09bd8f2b9..cdf4b7b32 100644
--- a/src/editor/config/config.js
+++ b/src/editor/config/config.js
@@ -62,6 +62,9 @@ module.exports = {
   // Ending tag for variable inside scripts in Components
   tagVarEnd: ' ]}',
 
+  // Remove empty text nodes when parsed, unless they contain a space
+  removeEmptyTextNodes: true,
+
   // Return JS of components inside HTML from 'editor.getHtml()'
   jsInHtml: true,
 
diff --git a/src/editor/index.js b/src/editor/index.js
index 00ea2d4df..fa8db67f5 100644
--- a/src/editor/index.js
+++ b/src/editor/index.js
@@ -80,6 +80,7 @@
  * @param {Object} [config.domComponents={}] Components configuration, see the relative documentation
  * @param {Object} [config.panels={}] Panels configuration, see the relative documentation
  * @param {Object} [config.showDevices=true] If true render a select of available devices inside style manager panel
+ * @param {Boolean} [config.removeEmptyTextNodes=true] If true, removes empty text nodes when parsed, unless they contain a space
  * @param {string} [config.defaultCommand='select-comp'] Command to execute when no other command is running
  * @param {Array} [config.plugins=[]] Array of plugins to execute on start
  * @param {Object} [config.pluginsOpts={}] Custom options for plugins
diff --git a/src/parser/model/ParserHtml.js b/src/parser/model/ParserHtml.js
index 021c5dbf9..0f56df1f5 100644
--- a/src/parser/model/ParserHtml.js
+++ b/src/parser/model/ParserHtml.js
@@ -57,6 +57,7 @@ module.exports = config => {
      * @return {Array<Object>}
      */
     parseNode(el) {
+      const config = (c.em && c.em.get('Config')) || {};
       const result = [];
       const nodes = el.childNodes;
 
@@ -152,9 +153,11 @@ module.exports = config => {
           }
 
           // Throw away empty nodes (keep spaces)
-          const content = node.nodeValue;
-          if (content != ' ' && !content.trim()) {
-            continue;
+          if (config.removeEmptyTextNodes) {
+            const content = node.nodeValue;
+            if (content != ' ' && !content.trim()) {
+              continue;
+            }
           }
         }