text: const chalk = require('chalk');
  const libPaths = {
      'src': 'src/index.js',
      'dist': 'dist/json-ext.js',
      'dist-min': 'dist/json-ext.min.js'
  };
  const mode = process.env.MODE || 'src';
  const libPath = libPaths[mode];
  
  if (!libPaths.hasOwnProperty(mode)) {
      console.error(`Mode ${chalk.white.bgRed(mode)} is not supported!\n`);
      process.exit(1);
  }
  
  if (mode !== 'src' && typeof TextDecoder === 'undefined') {
      global.TextDecoder = require('util').TextDecoder;
  }
  
  console.info('Test lib entry:', chalk.yellow(libPath));
  
  module.exports = require('../../' + libPath);
  