chore: upgrade webpack

Author: shisama

demo/slideshow.js

@@ -2,8 +2,8 @@ import React from "react";
 interface Props {
     style: any;
     images: string[];
-    prevIcon: React.ReactNode;
-    nextIcon: React.ReactNode;
+    prevIcon?: React.ReactNode;
+    nextIcon?: React.ReactNode;
     withTimestamp?: boolean;
     pageWillUpdate?: (index: number, image: string) => void;
     showFullscreenIcon?: boolean;

demo/vendor.dll.js

@@ -84,8 +84,8 @@
     "ts-jest": "24.0.2",
     "ts-loader": "6.0.4",
     "typescript": "^3.7.4",
-    "webpack": "4.39.1",
-    "webpack-cli": "3.3.6"
+    "webpack": "^4.41.5",
+    "webpack-cli": "^3.3.10"
   },
   "pre-commit": [
     "build:all",

lib/SlideShow.d.ts

@@ -16,8 +16,8 @@ import Viewer from "./Viewer";
 interface Props {
   style: any;
   images: string[];
-  prevIcon: React.ReactNode;
-  nextIcon: React.ReactNode;
+  prevIcon?: React.ReactNode;
+  nextIcon?: React.ReactNode;
   withTimestamp?: boolean;
   pageWillUpdate?: (index: number, image: string) => void;
   showFullscreenIcon?: boolean;