fix selection logic for non-merging fragments

packages/slate/src/changes/at-current-range.js

@@ -150,12 +150,17 @@ Changes.insertFragment = (change, fragment) => {
   const { startText, endText, startInline } = value
   const lastText = fragment.getLastText()
   const lastInline = fragment.getClosestInline(lastText.key)
+  const firstChild = fragment.nodes.first()
+  const lastChild = fragment.nodes.last()
   const keys = document.getTexts().map(text => text.key)
   const isAppending =
     !startInline ||
     selection.hasEdgeAtStartOf(startText) ||
     selection.hasEdgeAtEndOf(endText)
 
+  const isInserting =
+    fragment.hasBlocks(firstChild.key) || fragment.hasBlocks(lastChild.key)
+
   change.insertFragmentAtRange(selection, fragment)
   value = change.value
   document = value.document
@@ -163,7 +168,7 @@ Changes.insertFragment = (change, fragment) => {
   const newTexts = document.getTexts().filter(n => !keys.includes(n.key))
   const newText = isAppending ? newTexts.last() : newTexts.takeLast(2).first()
 
-  if (newText && lastInline) {
+  if ((newText && lastInline) || isInserting) {
     change.select(selection.collapseToEndOf(newText))
   } else if (newText) {
     change.select(

packages/slate/src/changes/at-range.js

@@ -698,6 +698,8 @@ Changes.insertFragmentAtRange = (change, range, fragment, options = {}) => {
   const parent = document.getParent(startBlock.key)
   const index = parent.nodes.indexOf(startBlock)
   const blocks = fragment.getBlocks()
+  const firstChild = fragment.nodes.first()
+  const lastChild = fragment.nodes.last()
   const firstBlock = blocks.first()
   const lastBlock = blocks.last()
 
@@ -709,13 +711,8 @@ Changes.insertFragmentAtRange = (change, range, fragment, options = {}) => {
 
   // If the fragment starts or ends with single nested block, (e.g., table),
   // do not merge this fragment with existing blocks.
-  if (
-    firstBlock != lastBlock &&
-    Block.isBlock(fragment.nodes.first()) &&
-    Block.isBlock(fragment.nodes.last()) &&
-    (firstBlock != fragment.nodes.first() || lastBlock != fragment.nodes.last())
-  ) {
-    fragment.nodes.reverse().forEach((node) => {
+  if (fragment.hasBlocks(firstChild.key) || fragment.hasBlocks(lastChild.key)) {
+    fragment.nodes.reverse().forEach(node => {
       change.insertBlockAtRange(range, node, options)
     })
     return

packages/slate/src/models/node.js

@@ -1662,6 +1662,32 @@ class Node {
     return !!this.getChild(key)
   }
 
+  /**
+   * Check if a node has block node children.
+   *
+   * @param {String} key
+   * @return {Boolean}
+   */
+
+  hasBlocks(key) {
+    const node = this.assertNode(key)
+    return !!(node.nodes && node.nodes.find(n => n.object === 'block'))
+  }
+
+  /**
+   * Check if a node has inline node children.
+   *
+   * @param {String} key
+   * @return {Boolean}
+   */
+
+  hasInlines(key) {
+    const node = this.assertNode(key)
+    return !!(
+      node.nodes && node.nodes.find(n => Inline.isInline(n) || Text.isText(n))
+    )
+  }
+
   /**
    * Recursively check if a child node exists by `key`.
    *

packages/slate/test/changes/at-current-range/insert-fragment/fragment-nested-blocks.js

@@ -26,12 +26,14 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>woone</paragraph>
+      <paragraph>wo</paragraph>
       <quote>
-        <quote>
-          two<cursor />rd
-        </quote>
+        <quote>one</quote>
+        <quote>two</quote>
       </quote>
+      <paragraph>
+        rd<cursor />
+      </paragraph>
     </document>
   </value>
 )

packages/slate/test/changes/at-current-range/insert-fragment/nested-block-fragment-nested-blocks.js

@@ -29,12 +29,14 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>woone</paragraph>
+        <paragraph>wo</paragraph>
         <quote>
-          <quote>
-            two<cursor />rd
-          </quote>
+          <quote>one</quote>
+          <quote>two</quote>
         </quote>
+        <paragraph>
+          rd<cursor />
+        </paragraph>
       </quote>
     </document>
   </value>