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'use strict';
var path = require('path');
var isglob = require('is-glob');
var pathDirname = require('path-dirname');
module.exports = function globParent(str) {
str += 'a'; // preserves full path in case of trailing path separator
do {str = pathDirname.posix(str)} while (isglob(str));
return str.replace(/\\([\*\?\|\[\]\(\)\{\}])/g, '$1');
};
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