contributor/lib/contributor.js

A simple module to add git contributors to your package.json.

/*
 * contributor.js: a package.json contributor customizer
 *
 * (C) 2014 Jake LeBoeuf
 * MIT LICENCE
 *
 */
var path       = require('path'),
    fs         = require('fs'),
    request    = require('request'),
    _          = require('underscore'),
    color      = require("ansi-color").set,
    rootDir    = process.cwd(),
    sourceJson = path.join(rootDir, 'package.json'),
    dupJson    = path.join(rootDir, '.package.json'),
    pack       = require(sourceJson),
    contribApi = pack.repository.url.split('/');

//
// Contributor Module + Defaults
//
var contributor = module.exports = {
  complete: 0
};

//
// Main Magic
//
contributor.start = function (next) {
  //
  // Request info from github repo
  //

  var options = {
    url: 'https://api.github.com/repos/'+
      contribApi[3]+
      '/'+contribApi[4].split('.')[0]+
      '/contributors',
    headers: {
      'User-Agent': 'request'
    }
  };
  function callback(error, response, body) {
    if(response.statusCode === 403) {
      console.log(color('✖', 'red+bold'),
        color('You\'ve exceeded github\'s API limit. Try again in a minute or two.',
        'red+bold'));
    }
    if (!error && response.statusCode === 200) {
      var info = JSON.parse(body);
      var contributors = [];
      i=0;
      info.forEach(function(contributor){
        var contributions = 0;
        //
        // User info request
        //
        var userOptions = {
          url: contributor.url,
          headers: {
            'User-Agent': 'request'
          }
        };

        function userCallback(error, response, body) {
          if (!error && response.statusCode === 200) {
            var userInfo = JSON.parse(body);
            var user = new Object();
            user.name = userInfo.name;
            user.email = userInfo.email;
            user.url = userInfo.html_url;
            user.contributions = contributor.contributions;
            user.hireable = userInfo.hireable;
            contributors.push(user);
          }
          
          i++;
          if(i == info.length){
            saveData(sourceJson, contributors);
          }
        }

        // Make user info request
        request(userOptions, userCallback);
        
      });
    }
  }

  // Make request for info from repo
  request(options, callback);

  //
  // Save new file 
  //
  function saveData(file, data) {
    if (!fs.existsSync(dupJson)) {
      // Save backup to .package.json
      fs.writeFile(dupJson, JSON.stringify(pack, null, 2), function(err) {
        if(err) {
          new Error(err);
        } else {
          console.log(color("✔", "green+bold"),
            "Saved a backup as",
            color(".package.json", "magenta"));
          status();
          writePackage();
        }
      });
    } else {
      status();
      writePackage();
    }

    // Rewrite package.json
    // Fill the array with list from github
    pack.contributors = data;
    function writePackage() {
      fs.writeFile(file, JSON.stringify(pack, null, 2), function(err) {
        if(err) {
          console.log(err);
        } else {
          console.log(color("✔", "green+bold"),
            "Contributors added to your",
            color("package.json", "magenta"),
            'from Github');
          status();
        }
      });
    }
    function status() {
      contributor.complete ++;
      if(contributor.complete === 2) {
        console.log(color("✔", "green+bold"), "All done");
      }
    }
  }
}