Track changes

wax-prosemirror-services/src/TrackChangeService/AcceptTrackChangeService/AcceptTrackChange.js

+import { Mapping, RemoveMarkStep } from 'prosemirror-transform';
+import { minBy, maxBy } from 'lodash';
+
 import { injectable } from 'inversify';
 import Tools from '../../lib/Tools';
 
@@ -8,7 +11,33 @@ class AcceptTrackChange extends Tools {
   content = 'Accept';
 
   get run() {
-    return (state, dispatch) => {};
+    return (state, dispatch) => {
+      const {
+        tr,
+        selection: { from, to },
+      } = state;
+
+      const map = new Mapping();
+
+      state.doc.nodesBetween(from, to, (node, pos) => {
+        if (
+          node.marks &&
+          node.marks.find(mark => mark.type.name === 'insertion')
+        ) {
+          const insertionMark = node.marks.find(
+            mark => mark.type.name === 'insertion',
+          );
+          tr.step(
+            new RemoveMarkStep(
+              map.map(maxBy(pos, from)),
+              map.map(minBy(pos + node.nodeSize, to)),
+              insertionMark,
+            ),
+          );
+        }
+      });
+      dispatch(tr);
+    };
   }
 
   get active() {