javascripting/problems/strings/index.js

Learn JavaScript by adventuring around in the terminal.

var path = require('path');
var getFile = require('../../get-file');
var compare = require('../../compare-solution');

var problemName = __dirname.split(path.sep);
problemName = problemName[problemName.length-1];

exports.problem  = getFile(path.join(__dirname, 'problem.md'));
exports.solution = getFile(path.join(__dirname, 'solution.md'));

var solutionPath        = path.resolve(__dirname, "../../solutions", problemName, "index.js");
var troubleshootingPath = path.resolve(__dirname, "../../troubleshooting.md");

exports.verify = function (args, cb) {

  var attemptPath = path.resolve(process.cwd(), args[0]);
  compare(solutionPath, attemptPath, function(match, obj) {

    if(match) {
      return cb(true);
    }

    if(!obj) {
      // An error occured, we've already printed an error
      return;
    }

    var message = getFile(troubleshootingPath);

    message = message.replace(/%solution%/g, obj.solution);
    message = message.replace(/%attempt%/g, obj.attempt);
    message = message.replace(/%diff%/g, obj.diff);
    message = message.replace(/%filename%/g, args[0]);

    exports.fail = message;

    cb(false);

  });
};

exports.run = function (args) {
  require(path.resolve(process.cwd(), args[0]));
};