FromToData.js

const TradingView = require('../main');

/**
 * This example tests fetching chart data of a number
 * of candles before or after a timestamp
 */

if (!process.env.SESSION || !process.env.SIGNATURE) {
  throw Error('Please set your sessionid and signature cookies');
}

const client = new TradingView.Client({
  token: process.env.SESSION,
  signature: process.env.SIGNATURE,
});

const chart = new client.Session.Chart();
chart.setMarket('BINANCE:BTCEUR', {
  timeframe: '240',
  range: 2, // Can be positive to get before or negative to get after
  to: 1700000000,
});

// This works with indicators

TradingView.getIndicator('STD;Supertrend').then(async (indic) => {
  console.log(`Loading '${indic.description}' study...`);
  const SUPERTREND = new chart.Study(indic);

  SUPERTREND.onUpdate(() => {
    console.log('Prices periods:', chart.periods);
    console.log('Study periods:', SUPERTREND.periods);
    client.end();
  });
});