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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | |
2 // for details. All rights reserved. Use of this source code is governed by a | |
3 // BSD-style license that can be found in the LICENSE file. | |
4 | |
5 library metatest.utils; | |
6 | |
7 /// Prepends each line in [text] with [prefix]. If [firstPrefix] is passed, the | |
8 /// first line is prefixed with that instead. | |
9 String prefixLines(String text, {String prefix: '| ', String firstPrefix}) { | |
10 var lines = text.split('\n'); | |
11 if (firstPrefix == null) { | |
12 return lines.map((line) => '$prefix$line').join('\n'); | |
13 } | |
14 | |
15 var firstLine = "$firstPrefix${lines.first}"; | |
16 lines = lines.skip(1).map((line) => '$prefix$line').toList(); | |
17 lines.insert(0, firstLine); | |
18 return lines.join('\n'); | |
19 } | |
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