fix: minor issues

frontend/app_flowy/packages/appflowy_editor/lib/src/operation/operation.dart

@@ -2,14 +2,14 @@ import 'package:appflowy_editor/appflowy_editor.dart';
 
 abstract class Operation {
   factory Operation.fromJson(Map<String, dynamic> map) {
-    String t = map["type"] as String;
-    if (t == "insert-operation") {
+    String t = map["op"] as String;
+    if (t == "insert") {
       return InsertOperation.fromJson(map);
-    } else if (t == "update-operation") {
+    } else if (t == "update") {
       return UpdateOperation.fromJson(map);
-    } else if (t == "delete-operation") {
+    } else if (t == "delete") {
       return DeleteOperation.fromJson(map);
-    } else if (t == "text-edit-operation") {
+    } else if (t == "text-edit") {
       return TextEditOperation.fromJson(map);
     }
 
@@ -51,7 +51,7 @@ class InsertOperation extends Operation {
   @override
   Map<String, dynamic> toJson() {
     return {
-      "type": "insert-operation",
+      "op": "insert",
       "path": path.toList(),
       "nodes": nodes.map((n) => n.toJson()),
     };
@@ -95,7 +95,7 @@ class UpdateOperation extends Operation {
   @override
   Map<String, dynamic> toJson() {
     return {
-      "type": "update-operation",
+      "op": "update",
       "path": path.toList(),
       "attributes": {...attributes},
       "oldAttributes": {...oldAttributes},
@@ -132,7 +132,7 @@ class DeleteOperation extends Operation {
   @override
   Map<String, dynamic> toJson() {
     return {
-      "type": "delete-operation",
+      "op": "delete",
       "path": path.toList(),
       "nodes": nodes.map((n) => n.toJson()),
     };
@@ -171,7 +171,7 @@ class TextEditOperation extends Operation {
   @override
   Map<String, dynamic> toJson() {
     return {
-      "type": "text-edit-operation",
+      "op": "text-edit",
       "path": path.toList(),
       "delta": delta.toJson(),
       "invert": inverted.toJson(),

frontend/app_flowy/packages/appflowy_editor/test/legacy/operation_test.dart

@@ -84,7 +84,7 @@ void main() {
       expect(transaction.toJson(), {
         "operations": [
           {
-            "type": "insert-operation",
+            "op": "insert",
             "path": [0],
             "nodes": [item1.toJson()],
           }
@@ -107,7 +107,7 @@ void main() {
       expect(transaction.toJson(), {
         "operations": [
           {
-            "type": "delete-operation",
+            "op": "delete",
             "path": [0],
             "nodes": [item1.toJson()],
           }

shared-lib/lib-ot/src/core/document/document_operation.rs

@@ -2,26 +2,26 @@ use crate::core::document::position::Position;
 use crate::core::{NodeAttributes, NodeSubTree, TextDelta};
 
 #[derive(Clone, serde::Serialize, serde::Deserialize)]
-#[serde(tag = "type")]
+#[serde(tag = "op")]
 pub enum DocumentOperation {
-    #[serde(rename = "insert-operation")]
+    #[serde(rename = "insert")]
     Insert {
         path: Position,
         nodes: Vec<Box<NodeSubTree>>,
     },
-    #[serde(rename = "update-operation")]
+    #[serde(rename = "update")]
     Update {
         path: Position,
         attributes: NodeAttributes,
         #[serde(rename = "oldAttributes")]
         old_attributes: NodeAttributes,
     },
-    #[serde(rename = "delete-operation")]
+    #[serde(rename = "delete")]
     Delete {
         path: Position,
         nodes: Vec<Box<NodeSubTree>>,
     },
-    #[serde(rename = "text-edit-operation")]
+    #[serde(rename = "text-edit")]
     TextEdit {
         path: Position,
         delta: TextDelta,
@@ -166,7 +166,7 @@ mod tests {
         let result = serde_json::to_string(&insert).unwrap();
         assert_eq!(
             result,
-            r#"{"type":"insert-operation","path":[0,1],"nodes":[{"type":"text","attributes":{}}]}"#
+            r#"{"op":"insert","path":[0,1],"nodes":[{"type":"text","attributes":{}}]}"#
         );
     }
 
@@ -184,7 +184,7 @@ mod tests {
         let result = serde_json::to_string(&insert).unwrap();
         assert_eq!(
             result,
-            r#"{"type":"insert-operation","path":[0,1],"nodes":[{"type":"text","attributes":{},"children":[{"type":"text","attributes":{}}]}]}"#
+            r#"{"op":"insert","path":[0,1],"nodes":[{"type":"text","attributes":{},"children":[{"type":"text","attributes":{}}]}]}"#
         );
     }
 
@@ -198,7 +198,7 @@ mod tests {
         let result = serde_json::to_string(&insert).unwrap();
         assert_eq!(
             result,
-            r#"{"type":"update-operation","path":[0,1],"attributes":{},"oldAttributes":{}}"#
+            r#"{"op":"update","path":[0,1],"attributes":{},"oldAttributes":{}}"#
         );
     }
 
@@ -210,9 +210,6 @@ mod tests {
             inverted: Delta::new(),
         };
         let result = serde_json::to_string(&insert).unwrap();
-        assert_eq!(
-            result,
-            r#"{"type":"text-edit-operation","path":[0,1],"delta":[],"inverted":[]}"#
-        );
+        assert_eq!(result, r#"{"op":"text-edit","path":[0,1],"delta":[],"inverted":[]}"#);
     }
 }

shared-lib/lib-ot/src/core/document/position.rs

@@ -12,7 +12,7 @@ impl Position {
 
 impl Position {
     // delta is default to be 1
-    pub fn transform(pre_insert_path: &Position, b: &Position, delta: i64) -> Position {
+    pub fn transform(pre_insert_path: &Position, b: &Position, offset: i64) -> Position {
         if pre_insert_path.len() > b.len() {
             return b.clone();
         }
@@ -30,7 +30,7 @@ impl Position {
         let prev_insert_last: usize = *pre_insert_path.0.last().unwrap();
         let b_at_index = b.0[pre_insert_path.0.len() - 1];
         if prev_insert_last <= b_at_index {
-            prefix.push(((b_at_index as i64) + delta) as usize);
+            prefix.push(((b_at_index as i64) + offset) as usize);
         } else {
             prefix.push(b_at_index);
         }