index.js

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import registerServiceWorker from './registerServiceWorker';

const players = [
        { file: "Albion31.pdf", "_id": 1, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "Calum-W.pdf", "_id": 2, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "charlesemery15.pdf", "_id": 3, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "Ciancion.pdf", "_id": 4, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "ewintram.pdf", "_id": 5, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "GeorgeWhiting.pdf", "_id": 6, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "ker-an.pdf", "_id": 7, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "LarsFin.pdf", "_id": 8, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "Le5tes.pdf", "_id": 9, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "lunaticnick.pdf", "_id": 10, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "Meepit.pdf", "_id": 11, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "newtdogg.pdf", "_id": 12, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "rskyte.pdf", "_id": 13, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "samuel-c-johnson.pdf", "_id": 14, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "tallpress.pdf", "_id": 15, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "umairb1.pdf", "_id": 16, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
        { file: "Xin00163.pdf", "_id": 17, selected: 0, comparisons: 0, observedScore: 0, trueScore: 0, seTrueScore: 0, opponents: [], decisions: [], theta: 0, chosen: 0, lastTrueScore: 0 },
      ]

ReactDOM.render(<App players={players} />, document.getElementById('root'));
registerServiceWorker();