Change concat into insertChildrenAfter and insertChildrenBefore (#232)

* Change concat into insertChildrenAfter and insertChildrenBefore

* Update input and out yaml of insert block at range block-end

* Update input and out yaml of insert block at range block-start

lib/models/transforms.js

@@ -261,14 +261,12 @@ const Transforms = {
 
     // If the range is at the start of the block, insert before.
     else if (range.isAtStartOf(startBlock)) {
-      nodes = nodes.concat(parent.nodes)
+      parent = parent.insertChildrenBefore(startBlock, nodes)
-      parent = parent.merge({ nodes })
     }
 
     // If the range is at the end of the block, insert after.
     else if (range.isAtEndOf(startBlock)) {
-      nodes = parent.nodes.concat(nodes)
+      parent = parent.insertChildrenAfter(startBlock, nodes)
-      parent = parent.merge({ nodes })
     }
 
     // Otherwise, split the block and insert between.

test/transforms/fixtures/insert-block-at-range/block-end/input.yaml

@@ -5,3 +5,14 @@ nodes:
     nodes:
       - kind: text
         text: word
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: word
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: word

test/transforms/fixtures/insert-block-at-range/block-end/output.yaml

@@ -10,3 +10,19 @@ nodes:
     nodes:
       - kind: text
         text: ""
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: word
+  - kind: block
+    type: image
+    nodes:
+      - kind: text
+        text: ""
+  - kind: block
+    type: paragraph
+    nodes:
+    - kind: text
+      text: word

test/transforms/fixtures/insert-block-at-range/block-start/index.js

@@ -2,7 +2,7 @@
 export default function (state) {
   const { document, selection } = state
   const texts = document.getTexts()
-  const first = texts.first()
+  const first = texts.last()
   const range = selection.merge({
     anchorKey: first.key,
     anchorOffset: 0,

test/transforms/fixtures/insert-block-at-range/block-start/input.yaml

@@ -5,3 +5,14 @@ nodes:
     nodes:
       - kind: text
         text: word
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: word
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: word

test/transforms/fixtures/insert-block-at-range/block-start/output.yaml

@@ -10,3 +10,19 @@ nodes:
     nodes:
       - kind: text
         text: word
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: word
+  - kind: block
+    type: image
+    nodes:
+      - kind: text
+        text: ""
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: word