| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'package:barback/barback.dart'; |
| import 'package:markdown/markdown.dart'; |
| |
| import 'dart:async'; |
| |
| class ConvertMarkdown extends Transformer { |
| |
| // A constructor named "asPlugin" is required. It can be empty, but |
| // it must be present. It is how pub determines that you want this |
| // class to be publicly available as a loadable transformer plugin. |
| ConvertMarkdown.asPlugin(); |
| |
| // Any markdown file with one of the following extensions is |
| // converted to HTML. |
| String get allowedExtensions => ".md .markdown .mdown"; |
| |
| Future apply(Transform transform) { |
| return transform.primaryInput.readAsString().then((content) { |
| |
| // The extension of the output is changed to ".html". |
| var id = transform.primaryInput.id.changeExtension(".html"); |
| |
| String newContent = "<html><body>" |
| + markdownToHtml(content) |
| + "</body></html>"; |
| transform.addOutput(new Asset.fromString(id, newContent)); |
| }); |
| } |
| } |
