examples/build-tool/build.js
function concat(app) {
  var files = app.views.files;
  var css = '';

  for (var file in files) {
    if ('.css' != path.extname(file)) continue;
    css += files[file].contents.toString();
    delete files[file];
  }

  css = myth(css);
  app.files.addView('index.css', {
    contents: new Buffer(css)
  });
}
function concat(app) {
  var files = app.views.files;
  var css = '';

  for (var file in files) {
    if ('.css' != path.extname(file)) continue;
    css += files[file].contents.toString();
    delete files[file];
  }

  css = myth(css);
  app.files.addView('index.css', {
    contents: new Buffer(css)
  });
}
function concat ( app ) { var files = app . views . files ; var css = '' ; for ( var file in files ) { if ( '.css' != path . extname ( file ) ) continue ; css += files [ file ] . contents . toString ( ) ; delete files [ file ] ; } css = myth ( css ) ; app . files . addView ( 'index.css' , { contents : new Buffer ( css ) } ) ; }
Concat plugin.

@param {Object} `app` Assemble instance
Concat plugin .