simpler fix for #30

index.js

@@ -126,8 +126,7 @@ var Shared = (function () {
             case 'onSelection':
                 {
                     this.editor.on('beforeSelectionChange', function (cm, data) {
-                        var _data = Object.assign({}, data);
-                        _this.props.onSelection(_this.editor, _data);
+                        _this.props.onSelection(_this.editor, data);
                     });
                 }
                 break;

package.json

@@ -71,7 +71,7 @@
     "coveralls": "3.0.0",
     "css-loader": "0.28.7",
     "enzyme": "3.1.0",
-    "enzyme-adapter-react-16": "1.0.2",
+    "enzyme-adapter-react-16": "1.0.3",
     "express": "4.16.2",
     "gulp": "3.9.1",
     "gulp-replace": "0.6.1",
@@ -89,7 +89,7 @@
     "redux": "3.7.2",
     "rimraf": "2.6.2",
     "sass-loader": "6.0.6",
-    "sinon": "4.0.2",
+    "sinon": "4.1.1",
     "style-loader": "0.19.0",
     "ts-jest": "21.1.4",
     "typescript": "2.6.1",

src/index.tsx

@@ -32,10 +32,9 @@ export interface IGetSelectionOptions {
   update: (ranges: Array<ISetSelectionOptions>) => void;
 }
 
+/* tshacks: laundry list of incorrect typings in @types/codemirror */
 export interface IDoc extends codemirror.Doc {
-  /* tshack: `setCursor` has incorrect/missing overloaded signature in @types/codemirror */
   setCursor: (pos: codemirror.Position, ch?: number, options?: {}) => void;
-  /* tshack: `setSelections` missing in @types/codemirror */
   setSelections: (ranges: Array<ISetSelectionOptions>) => void;
 }
 
@@ -203,12 +202,8 @@ class Shared implements ICommon {
       }
         break;
       case 'onSelection': {
-        this.editor.on('beforeSelectionChange', (cm, data) => {
-
-          /* tshack: `beforeSelectionChange` return wrong type in @types/codemirror */
-          let _data = Object.assign<any, any>({}, data) as IGetSelectionOptions;
-
-          this.props.onSelection(this.editor, _data);
+        this.editor.on('beforeSelectionChange', (cm, data: any) => {
+          this.props.onSelection(this.editor, data);
         });
       }
         break;