Index: packages/barback/example/markdown_converter/lib/transformer.dart |
diff --git a/packages/barback/example/markdown_converter/lib/transformer.dart b/packages/barback/example/markdown_converter/lib/transformer.dart |
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+++ b/packages/barback/example/markdown_converter/lib/transformer.dart |
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+// 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) async { |
+ var content = await transform.primaryInput.readAsString(); |
+ |
+ // The extension of the output is changed to ".html". |
+ var id = transform.primaryInput.id.changeExtension(".html"); |
+ |
+ var newContent = |
+ "<html><body>" + markdownToHtml(content) + "</body></html>"; |
+ transform.addOutput(new Asset.fromString(id, newContent)); |
+ } |
+} |