1 | /*
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2 | MIT License
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3 |
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4 | Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
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5 |
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6 | Permission is hereby granted, free of charge, to any person obtaining a copy of
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7 | this software and associated documentation files (the "Software"), to deal in
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8 | the Software without restriction, including without limitation the rights to
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9 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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10 | of the Software, and to permit persons to whom the Software is furnished to do
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11 | so, subject to the following conditions:
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12 |
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13 | The above copyright notice and this permission notice shall be included in all
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14 | copies or substantial portions of the Software.
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15 |
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16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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19 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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22 | SOFTWARE.
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23 | */
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24 |
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25 | ;
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26 |
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27 | module.exports = function(flag, argv) {
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28 | argv = argv || process.argv;
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29 |
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30 | var terminatorPos = argv.indexOf('--');
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31 | var prefix = /^-{1,2}/.test(flag) ? '' : '--';
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32 | var pos = argv.indexOf(prefix + flag);
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33 |
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34 | return pos !== -1 && (terminatorPos === -1 ? true : pos < terminatorPos);
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35 | };
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