Fix erroneous text after native insert (#4529)

.changeset/light-gorillas-train.md

@@ -0,0 +1,5 @@
+---
+'slate-react': patch
+---
+
+Fix erroneous text after native insert

packages/slate-react/src/components/editable.tsx

@@ -310,10 +310,6 @@ export const Editable = (props: EditableProps) => {
           }
         }
 
-        if (!native) {
-          event.preventDefault()
-        }
-
         // COMPAT: For the deleting forward/backward input types we don't want
         // to change the selection because it is the range that will be deleted,
         // and those commands determine that for themselves.
@@ -427,7 +423,9 @@ export const Editable = (props: EditableProps) => {
               // Only insertText operations use the native functionality, for now.
               // Potentially expand to single character deletes, as well.
               if (native) {
-                asNative(editor, () => Editor.insertText(editor, data))
+                asNative(editor, () => Editor.insertText(editor, data), {
+                  onFlushed: () => (native = false),
+                })
               } else {
                 Editor.insertText(editor, data)
               }
@@ -436,6 +434,10 @@ export const Editable = (props: EditableProps) => {
             break
           }
         }
+
+        if (!native) {
+          event.preventDefault()
+        }
       }
     },
     [readOnly, propsOnDOMBeforeInput]

packages/slate-react/src/utils/native.ts

@@ -10,10 +10,25 @@ export const NATIVE_OPERATIONS: WeakMap<Editor, Operation[]> = new WeakMap()
  * @param {Editor} editor - Editor on which the operations are being applied
  * @param {callback} fn - Function containing .exec calls which will be queued as native
  */
-export const asNative = (editor: Editor, fn: () => void) => {
+export const asNative = (
+  editor: Editor,
+  fn: () => void,
+  { onFlushed }: { onFlushed?: () => void } = {}
+) => {
+  const isNative = AS_NATIVE.get(editor)
+
   AS_NATIVE.set(editor, true)
+  try {
     fn()
-  AS_NATIVE.set(editor, false)
+  } finally {
+    if (isNative !== undefined) {
+      AS_NATIVE.set(editor, isNative)
+    }
+  }
+
+  if (!NATIVE_OPERATIONS.get(editor)) {
+    onFlushed?.()
+  }
 }
 
 /**
@@ -25,7 +40,7 @@ export const flushNativeEvents = (editor: Editor) => {
 
   // Clear list _before_ applying, as we might flush
   // events in each op, as well.
-  NATIVE_OPERATIONS.set(editor, [])
+  NATIVE_OPERATIONS.delete(editor)
 
   if (nativeOps) {
     Editor.withoutNormalizing(editor, () => {