text: const fs = require('fs');
  const path = require('path');
  const { getChallengeSeeds } = require('../utils');
  const { getProjectPath } = require('./get-project-path');
  
  // Looks up the last file found with format `step-###.md` in a directory and
  // returns associated information to it. At the same time validates that the
  // number of files match the names used to name these.
  function getLastStepFileContent() {
    const filesArr = [];
    const projectPath = getProjectPath();
  
    fs.readdirSync(projectPath).forEach(fileName => {
      if (
        path.extname(fileName).toLowerCase() === '.md' &&
        !fileName.endsWith('final.md')
      ) {
        filesArr.push(fileName);
      }
    });
  
    const fileName = filesArr[filesArr.length - 1];
    let lastStepFileNum = fileName.split('.')[0].split('-')[1];
    lastStepFileNum = parseInt(lastStepFileNum, 10);
    if (filesArr.length !== lastStepFileNum) {
      throw `Error: The last file step is ${lastStepFileNum} and there are ${filesArr.length} files.`;
    }
  
    return {
      challengeSeeds: getChallengeSeeds(projectPath + fileName),
      nextStepNum: lastStepFileNum + 1
    };
  }
  
  exports.getLastStepFileContent = getLastStepFileContent;
  