react-qa/src/App.js

import { HlList, HlLayerContainer, HlLayer } from 'react-transformer-qa-decode-visualize'
import 'react-transformer-qa-decode-visualize/dist/index.css'
import { useEffect, useState } from 'react'
const axios = require('axios').default;
function App() {

  const [qa_data, set_qa_data] = useState([[]])
  const [question,set_question] = useState("What's my name?")
  const [context,set_context] = useState("My name is Clara and I live in Berkeley.")

  let request_qa_data = () => {
    axios.post('/question-answer',{
      question,
      context
    })
      .then(function (response) {
        console.log(response.data)
        set_qa_data(response.data)
      })
  }

  return (
    <div style={{ width: 800, padding: 20 }}>

      <h4>Question</h4>
      <input 
        style={{ width: 600 }} 
        type="text" 
        value={question}
        onChange={(e)=>{
          set_question(e.target.value)
          set_qa_data([[]])
        }}
        />
      <br />
      <h4>Context</h4>
      <textarea 
        name="" 
        id="" 
        cols="80" 
        rows="20"
        value={context}
        onChange={(e)=>{
          set_context(e.target.value)
          set_qa_data([[]])
        }}
      />

      <br /><br />
      <button 
        type="submit"
        onClick={request_qa_data}
      >Submit
      </button>

      <br />
      <hr />

      <div>
        <h4>Transformer QA Model</h4>
        <p>{question}</p>
        <HlList
          data={{
            result: qa_data[0].slice(0, 10)
          }}
          color='yellow' />
        <hr />
      </div>

      <h4>Context</h4>
      <HlLayerContainer
        context={context}>
        <HlLayer
          data={{
            result: qa_data[0].slice(0, 10),
            context: context
          }}
          color='yellow'
        />
      </HlLayerContainer >

    </div>
  );
}

export default App;