Updated dependencies to latest and fixed a couple of bugs that were i…

…dentified by updated typings.

package.json

@@ -13,9 +13,9 @@
  },
  "dependencies": {
  "@types/lodash": "^4.14.123",
- "@types/react": "^16.8.8",
- "@types/react-dom": "^16.8.2",
- "@types/react-native": "^0.57.40",
+ "@types/react": "^16.8.14",
+ "@types/react-dom": "^16.8.4",
+ "@types/react-native": "^0.57.47",
  "lodash": "^4.17.11",
  "prop-types": "^15.7.2",
  "rebound": "^0.1.0",
@@ -29,11 +29,11 @@
  "react-native-windows": "^0.57.0-rc.5"
  },
  "devDependencies": {
- "tslint": "^5.14.0",
- "tslint-microsoft-contrib": "^6.1.0",
- "tslint-react": "^3.6.0",
- "tsutils": "^3.9.1",
- "typescript": "^3.3.3333"
+ "tslint": "^5.16.0",
+ "tslint-microsoft-contrib": "^6.1.1",
+ "tslint-react": "^4.0.0",
+ "tsutils": "^3.10.0",
+ "typescript": "^3.4.4"
  },
  "homepage": "https://microsoft.github.io/reactxp/",
  "repository": {

src/web/Clipboard.ts

@@ -49,7 +49,10 @@ export class Clipboard extends RX.Clipboard {
 
  document.execCommand('copy');
 
- window.getSelection().removeAllRanges();
+ const selection = window.getSelection();
+ if (selection) {
+ selection.removeAllRanges();
+ }
  }
 }