So i have a javascript file that generates png images from 2 json files.

I want to execute this script after the user clicks on the v-btn

Is there a way to import the script and execute it at the on click event ?Im using nuxtjs and the only way i found is to execute the script when the page is loaded.my javascript file consists of 4 functions with one of them calling the 3 other functions.

<template>
  <div>
    <v-container class="grey lighten-5">
      <v-row no-gutters>
        <v-col cols="6" md="6">
          <v-card class="pa-2" outlined tile>
            Choose a reference report.json
            <v-file-input
              show-size
              accept=".json"
              placeholder="Click here to select your file"
              truncate-length="26"
              @change="onAddFileref"
            ></v-file-input>
          </v-card>
        </v-col>
        <v-col cols="6" md="6">
          <v-card class="pa-2" outlined tile>
            Choose a test report.json
            <v-file-input
              show-size
              accept=".json"
              placeholder="Click here to select your file"
              truncate-length="26"
              @change="onAddFiletest"
            ></v-file-input>
          </v-card>
        </v-col>
      </v-row>
    </v-container>
    <v-btn
  color="primary"
  elevation="9" 
  :disabled=!isDisabled
  @click="startVisualTest"
>Start Visual Test</v-btn> 
  </div>
</template>

<script>
  var path = require('path');
export default {
  data() {
    return {
      referencefile: null,
      refFile: "",
      testFile: "",
    }
  },
  methods: {
    onAddFiletest(file) {
      this.testFile = ""
      const fr = new FileReader()
      fr.readAsDataURL(file)
      this.testFile=file.name
    },
    onAddFileref(file) {
      this.refFile = ""
      const fr = new FileReader()
      fr.readAsDataURL(file)
      this.refFile=file.name
    },
    startVisualTest(){
      var jsonpath="../../json"
      var ref=path.join(jsonpath,this.refFile)
      var test=path.join(jsonpath,this.testFile)  
    }
  },
  computed: {
  isDisabled() {
    // evaluate whatever you need to determine disabled here...
    return this.refFile!="" && this.testFile!="";
  }
}
}
</script>