fix(index): if tree not object

posthtml · Feb 9, 2018 · 3fd9548 · 3fd9548
1 parent 6058917
commit 3fd9548
Showing 1 changed file with 9 additions and 5 deletions.
diff --git a/lib/index.js b/lib/index.js
@@ -105,8 +105,10 @@ PostHTML.prototype.process = function (tree, options) {
   // sync mode
   if (options.sync === true) {
     this.plugins.forEach(function (plugin, index) {
-      // extension of options tree
-      tree = objectAssign(tree, this)
+      if (typeof tree === 'object') {
+        // extension of options tree
+        tree = objectAssign(tree, this)
+      }
 
       var result
 
@@ -117,7 +119,7 @@ PostHTML.prototype.process = function (tree, options) {
       }
 
       // clearing the tree of options
-      if (index !== this.plugins.length - 1) {
+      if (index !== this.plugins.length - 1 && !options.skipParse) {
         tree = [].concat(tree)
       }
 
@@ -132,8 +134,10 @@ PostHTML.prototype.process = function (tree, options) {
   var i = 0
 
   var next = function (result, cb) {
-    // extension of options tree
-    result = objectAssign(result, this)
+    if (typeof result === 'object') {
+      // extension of options tree
+      result = objectAssign(result, this)
+    }
 
     // all plugins called
     if (this.plugins.length <= i) {