fix delete-at-range across depths, closes #306

lib/transforms/at-range.js

@@ -62,8 +62,8 @@ export function deleteAtRange(transform, range) {
   let { state } = transform
   let { document } = state
   let ancestor = document.getCommonAncestor(startKey, endKey)
-  const startChild = ancestor.getHighestChild(startKey)
-  const endChild = ancestor.getHighestChild(endKey)
+  let startChild = ancestor.getHighestChild(startKey)
+  let endChild = ancestor.getHighestChild(endKey)
   const startOff = startChild.getOffset(startKey) + startOffset
   const endOff = endChild.getOffset(endKey) + endOffset
 
@@ -73,16 +73,16 @@ export function deleteAtRange(transform, range) {
   state = transform.state
   document = state.document
   ancestor = document.getCommonAncestor(startKey, endKey)
-
   const startBlock = document.getClosestBlock(startKey)
   const endBlock = document.getClosestBlock(document.getNextText(endKey))
-  const startIndex = ancestor.nodes.indexOf(startBlock)
-  const endIndex = ancestor.nodes.indexOf(endBlock)
-  const endLonelyParent = ancestor.getHighestChild(endBlock, (parent) => {
-    return parent.nodes.size == 1
-  })
+  startChild = ancestor.getHighestChild(startBlock)
+  endChild = ancestor.getHighestChild(endBlock)
 
-  ancestor.nodes.slice(startIndex + 1, endIndex).forEach((child) => {
+  const startIndex = ancestor.nodes.indexOf(startChild)
+  const endIndex = ancestor.nodes.indexOf(endChild)
+  const middles = ancestor.nodes.slice(startIndex + 1, endIndex)
+
+  middles.forEach((child) => {
     transform.removeNodeByKey(child.key)
   })
 
@@ -92,7 +92,7 @@ export function deleteAtRange(transform, range) {
     transform.moveNodeByKey(child.key, newKey, newIndex)
   })
 
-  transform.removeNodeByKey(endLonelyParent.key)
+  transform.removeNodeByKey(endChild.key)
   transform.normalizeDocument()
   return transform
 }

test/transforms/fixtures/at-range/delete-at-range/across-depths/index.js

@@ -0,0 +1,18 @@
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const second = texts.get(1)
+  const third = texts.get(2)
+  const range = selection.merge({
+    anchorKey: second.key,
+    anchorOffset: second.length,
+    focusKey: third.key,
+    focusOffset: 0
+  })
+
+  return state
+    .transform()
+    .deleteAtRange(range)
+    .apply()
+}

test/transforms/fixtures/at-range/delete-at-range/across-depths/input.yaml

@@ -0,0 +1,20 @@
+
+nodes:
+  - kind: block
+    type: list
+    nodes:
+      - kind: block
+        type: item
+        nodes:
+          - kind: text
+            text: one
+      - kind: block
+        type: item
+        nodes:
+          - kind: text
+            text: two
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: three

test/transforms/fixtures/at-range/delete-at-range/across-depths/output.yaml

@@ -0,0 +1,15 @@
+
+nodes:
+  - kind: block
+    type: list
+    nodes:
+      - kind: block
+        type: item
+        nodes:
+          - kind: text
+            text: one
+      - kind: block
+        type: item
+        nodes:
+          - kind: text
+            text: twothree