'use strict';
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var path = require('path');
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var isglob = require('is-glob');
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var pathDirname = require('path-dirname');
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var isWin32 = require('os').platform() === 'win32';
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module.exports = function globParent(str) {
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// flip windows path separators
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if (isWin32 && str.indexOf('/') < 0) str = str.split('\\').join('/');
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// special case for strings ending in enclosure containing path separator
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if (/[\{\[].*[\/]*.*[\}\]]$/.test(str)) str += '/';
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// preserves full path in case of trailing path separator
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str += 'a';
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// remove path parts that are globby
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do {str = pathDirname.posix(str)}
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while (isglob(str) || /(^|[^\\])([\{\[]|\([^\)]+$)/.test(str));
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// remove escape chars and return result
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return str.replace(/\\([\*\?\|\[\]\(\)\{\}])/g, '$1');
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};
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