add clearNodes command

packages/core/src/extensions/clearNodes.ts

@@ -0,0 +1,42 @@
+import { liftTarget } from 'prosemirror-transform'
+import { Command } from '../Editor'
+import { createExtension } from '../Extension'
+
+export const ClearNodes = createExtension({
+  addCommands() {
+    return {
+      clearNodes: (): Command => ({ state, tr }) => {
+        const { selection } = tr
+        const { from, to } = selection
+
+        state.doc.nodesBetween(from, to, (node, pos) => {
+          if (!node.type.isText) {
+            const fromPos = tr.doc.resolve(tr.mapping.map(pos + 1))
+            const toPos = tr.doc.resolve(tr.mapping.map(pos + node.nodeSize - 1))
+            const nodeRange = fromPos.blockRange(toPos)
+
+            if (nodeRange) {
+              const targetLiftDepth = liftTarget(nodeRange)
+
+              if (node.type.isTextblock) {
+                tr.setNodeMarkup(nodeRange.start, state.schema.nodes.paragraph)
+              }
+
+              if (targetLiftDepth || targetLiftDepth === 0) {
+                tr.lift(nodeRange, targetLiftDepth)
+              }
+            }
+          }
+        })
+
+        return true
+      },
+    }
+  },
+})
+
+declare module '../Editor' {
+  interface AllExtensions {
+    ClearNodes: typeof ClearNodes,
+  }
+}

packages/core/src/extensions/index.ts

@@ -1,5 +1,6 @@
 export { Blur } from './blur'
 export { ClearContent } from './clearContent'
+export { ClearNodes } from './clearNodes'
 export { DeleteSelection } from './deleteSelection'
 export { Focus } from './focus'
 export { InsertHTML } from './insertHTML'

packages/core/src/extensions/toggleList.ts

@@ -44,7 +44,8 @@ export const ToggleList = createExtension({
         // try to convert node to paragraph if needed
         if (!canWrapInList) {
           return chain()
-            .setBlockType('paragraph')
+            // .setBlockType('paragraph')
+            .clearNodes()
             .wrapInList(listType)
             .run()
         }