vsts-task-starter/src/app.js

Creates a starting project structure for building a Node.js based Visual Studio Team Services task.

var fs = require('fs');
var cli = require('cli');
var path = require('path');
var guid = require('uuid');
var util = require('./utility.js');
var exec = require('child_process').exec;

function main(args) {
   var packageContents = fs.readFileSync(path.join(__dirname, '../package.json'), 'utf8');
   var packageJson = JSON.parse(packageContents);

   console.log('vsts-task-starter by @DonovaBrown v' + packageJson.version);

   // Copy files
   var templates = path.join(__dirname, '../templates');

   cli.setArgv(args);
   var options = cli.parse({
      taskname: ['n', 'Name of the task', 'string', null],
      friendlyName: ['f', 'Friendly name of task', 'string', null],
      description: ['d', 'Description of task', 'string', null],
      author: ['a', 'Author of task', 'string', null],
      guid: ['g', 'GUID for task', 'string', null],
      skip: ['s', 'Skip installing dependencies', 'on', false]
   });

   // Default to values passed in on the command line
   var author = options.author;
   var taskName = options.taskname;
   var description = options.description;
   var friendlyName = options.friendlyName;

   // Ask for any values they did not pass in on the command line
   if (taskName === null) {
      taskName = util.askSync('name', /.+/);
   }

   if (friendlyName === null) {
      friendlyName = util.askSync('friendlyName', /.+/);
   }

   if (description === null) {
      description = util.askSync('description', /.+/);
   }

   if (author === null) {
      author = util.askSync('author', /.+/);
   }

   // Create folder structure
   console.log('Creating folders');
   var root = util.md(process.cwd(), taskName);
   var src = util.md(root, 'src');
   var test = util.md(root, 'test');

   console.log('Adding files');
   util.copy(['taskUnitTest.js'], templates, test);
   util.copy(['app.js', 'task.js'], templates, src);
   util.copy(['icon.png'], templates, root);

   var contents = fs.readFileSync(path.join(templates, 'task.json'), 'utf8');
   contents = contents.replaceAll('__guid__', guid.v4());
   contents = contents.replaceAll('__taskname__', taskName);
   contents = contents.replaceAll('__friendlyName__', friendlyName);
   contents = contents.replaceAll('__description__', description);
   contents = contents.replaceAll('__author__', author);
   fs.writeFileSync(path.join(root, 'task.json'), contents);

   contents = fs.readFileSync(path.join(templates, 'package.json'), 'utf8');
   contents = contents.replaceAll('__taskname__', taskName.toLowerCase());
   contents = contents.replaceAll('__description__', description);
   contents = contents.replaceAll('__author__', author);
   fs.writeFileSync(path.join(root, 'package.json'), contents);

   if (options.skip) {
      process.exit();
   } else {
      process.chdir(root);
      console.log('Installing project dependencies');
      exec('npm install', function (error, stdout, stderr) {
         console.log('stdout: ' + stdout);
         if (stderr) {
            console.log('stderr: ' + stderr);
         }
         if (error !== null) {
            console.log('exec error: ' + error);
         }

         process.exit();
      })
   }
};

/*
 * Exports the portions of the file we want to share with files that require 
 * it.
 */
module.exports = {
   main: main
};