mixins: [fileUploadMixin]

const vue = new Vue({     el: '#app',     data: {       startCount: 0,       endCount: 100     },     mixins: [fileUploadMixin],     created() {       // set default image if no image has been selected       this.image = 'assets/image/default_image.png';     },     methods:{       uploadImage(){          // send base64 to server in place of file         this.convertToBase64(this.file)           .then(fileString => {              // TODO: process base64 file           })          // send file to server         const formData = new FormData();         formData.append('file', this.file);          // simulate file upload to server         while(this.startCount < 100){            this.startCount += 10;         }       }     }   });