request.js

const request = require('request');

const options = {
  url: 'https://codecov.io/api/gh/codecov/TypeScript-Standard',
  headers: {
    token: process.env.API_KEY,
  },
};

const callback = (error, response, body) => {
  if (!error && response.statusCode == 200) {
    console.log("Pinging Codecov's API..");
    const info = JSON.parse(body);
    commit_data = info['commits'][0];
    coverage_percentage = commit_data['totals']['c'];

    // Coverage percentage should be CORRECT_COVERAGE environment variable on Travis || 77.77778
    if (coverage_percentage == process.env.CORRECT_COVERAGE) {
      console.log(
        "Success! Codecov's API returned the correct coverage percentage, " +
          process.env.CORRECT_COVERAGE,
      );
      return process.exit(0);
    }
  } else {
    console.log(
      'Whoops, something is wrong D: Codecov did not return the correct coverage percentage. Coverage percentage should be ' +
        process.env.CORRECT_COVERAGE +
        ' but Codecov returned ' +
        coverage_percentage,
    );

    return process.exit(1);
  }
};

const napTime = milliseconds => {
  console.log('Waiting 60 seconds for report to upload before pinging API...');
  return new Promise(resolve => setTimeout(resolve, milliseconds));
};

napTime(60000).then(() => {
  request(options, callback);
});