Customize get dirty paths (#5069)

* Move getDirtyPaths to the Editor object to allow for customization

* Add changeset for getDirtyPaths customization

Co-authored-by: Tom Krenzke <tom@daybreakhealth.com>

.changeset/spotty-mirrors-matter.md

@@ -0,0 +1,5 @@
+---
+'slate': patch
+---
+
+Expose getDirtyPaths method on Editor object to allow for customization

packages/slate/src/create-editor.ts

@@ -71,7 +71,7 @@ export const createEditor = (): Editor => {
         dirtyPathKeys = oldDirtyPathKeys
       }
 
-      const newDirtyPaths = getDirtyPaths(op)
+      const newDirtyPaths = editor.getDirtyPaths(op)
       for (const path of newDirtyPaths) {
         add(path)
       }
@@ -296,16 +296,12 @@ export const createEditor = (): Editor => {
         }
       }
     },
-  }
 
-  return editor
+    /**
-}
-
-/**
      * Get the "dirty" paths generated from an operation.
      */
 
-const getDirtyPaths = (op: Operation): Path[] => {
+    getDirtyPaths: (op: Operation): Path[] => {
       switch (op.type) {
         case 'insert_text':
         case 'remove_text':
@@ -375,4 +371,8 @@ const getDirtyPaths = (op: Operation): Path[] => {
           return []
         }
       }
+    },
+  }
+
+  return editor
 }

packages/slate/src/interfaces/editor.ts

@@ -77,6 +77,7 @@ export interface BaseEditor {
   insertNode: (node: Node) => void
   insertText: (text: string) => void
   removeMark: (key: string) => void
+  getDirtyPaths: (op: Operation) => Path[]
 }
 
 export type Editor = ExtendedType<'Editor', BaseEditor>
@@ -626,6 +627,7 @@ export const Editor: EditorInterface = {
       typeof value.normalizeNode === 'function' &&
       typeof value.onChange === 'function' &&
       typeof value.removeMark === 'function' &&
+      typeof value.getDirtyPaths === 'function' &&
       (value.marks === null || isPlainObject(value.marks)) &&
       (value.selection === null || Range.isRange(value.selection)) &&
       Node.isNodeList(value.children) &&

packages/slate/test/interfaces/Element/isElement/editor.tsx

@@ -20,6 +20,7 @@ export const input = {
   normalizeNode() {},
   onChange() {},
   removeMark() {},
+  getDirtyPaths() {},
 }
 export const test = value => {
   return Element.isElement(value)

packages/slate/test/interfaces/Element/isElementList/full-editor.tsx

@@ -21,6 +21,7 @@ export const input = [
     normalizeNode() {},
     onChange() {},
     removeMark() {},
+    getDirtyPaths() {},
   },
 ]
 export const test = value => {