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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 'use strict'; | 5 'use strict'; |
6 | 6 |
7 /** | 7 /** |
8 * Type of a root directory. | 8 * Type of a root directory. |
9 * @enum | 9 * @enum |
10 */ | 10 */ |
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358 * @param {string} filename Filename to be extracted. | 358 * @param {string} filename Filename to be extracted. |
359 * @return {string} Extension of the given filename. | 359 * @return {string} Extension of the given filename. |
360 */ | 360 */ |
361 PathUtil.extractExtension = function(filename) { | 361 PathUtil.extractExtension = function(filename) { |
362 if (filename.indexOf('/') != -1) | 362 if (filename.indexOf('/') != -1) |
363 filename = filename.substr(filename.lastIndexOf('/') + 1); | 363 filename = filename.substr(filename.lastIndexOf('/') + 1); |
364 var extension = filename.lastIndexOf('.') != -1 ? | 364 var extension = filename.lastIndexOf('.') != -1 ? |
365 filename.substr(filename.lastIndexOf('.') + 1) : ''; | 365 filename.substr(filename.lastIndexOf('.') + 1) : ''; |
366 return extension; | 366 return extension; |
367 }; | 367 }; |
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