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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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