try using npm package for demo

Author: d2phap

.gitignore

@@ -35,6 +35,7 @@ build/Release
 # Dependency directories
 node_modules/
 jspm_packages/
+demo/node_modules/
 
 # TypeScript v1 declaration files
 typings/

demo/package-lock.json

@@ -2,7 +2,7 @@
   "name": "vue-file-selector-demo",
   "version": "0.0.1",
   "description": "File selector demo",
-  "main": "index.js",
+  "main": "dist/index.js",
   "scripts": {
     "start": "webpack --watch --config ./webpack.config.js --progress --hide-modules --mode=development",
     "build": "webpack --config ./webpack.config.js --progress --hide-modules --mode=production"
@@ -41,6 +41,7 @@
     "webpack-cli": "^3.3.9"
   },
   "dependencies": {
-    "vue": "^2.6.10"
+    "vue": "^2.6.10",
+    "vue-file-selector": "0.0.1"
   }
 }

demo/package.json

@@ -1,5 +1,6 @@
 import Vue from 'vue';
-import FileSelector from '../../dist/index';
+import FileSelector from 'vue-file-selector';
+// import FileSelector from '../../dist/index';
 import App from './App.vue';