import Vue from 'vue'; import VueBase64FileUpload from 'vue-base64-file-upload';  const app = new Vue({   components: {     VueBase64FileUpload   },    data() {     return {       customImageMaxSize: 3 // megabytes     };   },    methods: {     onFile(file) {       console.log(file); // file object     },      onLoad(dataUri) {       console.log(dataUri); // data-uri string     },      onSizeExceeded(size) {       alert(`Image ${size}Mb size exceeds limits of ${this.customImageMaxSize}Mb!`);     }   },    template: `     <div class="container">       <h2>Upload file</h2>       <vue-base64-file-upload          class="v1"         accept="image/png,image/jpeg"         image-class="v1-image"         input-class="v1-input"         :max-size="customImageMaxSize"         @size-exceeded="onSizeExceeded"         @file="onFile"         @load="onLoad" />     </div>   ` });  app.$mount('#app');