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24 lines
465 B
24 lines
465 B
'use strict'; |
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module.exports = function (str) { |
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if (typeof str !== 'string') { |
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throw new TypeError('Expected a string'); |
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} |
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var newlines = (str.match(/(?:\r?\n)/g) || []); |
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if (newlines.length === 0) { |
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return null; |
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} |
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var crlf = newlines.filter(function (el) { |
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return el === '\r\n'; |
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}).length; |
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var lf = newlines.length - crlf; |
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return crlf > lf ? '\r\n' : '\n'; |
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}; |
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module.exports.graceful = function (str) { |
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return module.exports(str) || '\n'; |
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};
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