text: var gulp = require('gulp'),
      ts = require('gulp-typescript'),
      sourcemaps = require('gulp-sourcemaps');
  
  module.exports = function (meta) {
      gulp.task('default', function () {
          return gulp.src(meta.src)
              .pipe(sourcemaps.init())
              .pipe(ts({
                  target: 'ES5',
                  module: 'amd',
                  rootDir: 'app'
              }))
              .pipe(sourcemaps.write('./'))
              .pipe(gulp.dest('app/.build'));
      });
  };