change toSet to toOrderedSet (#322)

src/models/node.js

@@ -160,7 +160,7 @@ const Node = {
     return this
       .getTexts()
       .map(text => this.getClosestBlock(text))
-      .toSet()
+      .toOrderedSet()
       .toList()
   },
 
@@ -586,7 +586,7 @@ const Node = {
       .getTexts()
       .map(text => this.getFurthestInline(text))
       .filter(exists => exists)
-      .toSet()
+      .toOrderedSet()
       .toList()
   },
 
@@ -602,7 +602,7 @@ const Node = {
       .getTextsAtRange(range)
       .map(text => this.getClosestInline(text))
       .filter(exists => exists)
-      .toSet()
+      .toOrderedSet()
       .toList()
   },
 

src/transforms/at-range.js

@@ -604,7 +604,7 @@ export function unwrapBlockAtRange(transform, range, properties) {
       })
     })
     .filter(exists => exists)
-    .toSet()
+    .toOrderedSet()
     .toList()
 
   wrappers.forEach((block) => {
@@ -691,7 +691,7 @@ export function unwrapInlineAtRange(transform, range, properties) {
       })
     })
     .filter(exists => exists)
-    .toSet()
+    .toOrderedSet()
     .toList()
 
   inlines.forEach((inline) => {
@@ -730,7 +730,7 @@ export function wrapBlockAtRange(transform, range, block) {
       if (d == depth) return node
       return document.getClosest(node, p => document.getDepth(p) == depth)
     })
-    .toSet()
+    .toOrderedSet()
     .toList()
 
   const first = siblings.first()