js file to base64

vuetity v-file-input

js

    fileChange () {
      console.log('fileChange ')
      console.log(this.file)
      let reader = new FileReader()
      let self = this
      reader.readAsDataURL(this.file)
      reader.onload = function (e) {
        let dataBase64 = reader.result
        console.log(dataBase64)
        self.image = dataBase64
      }
    }