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75 lines
1.6 KiB
75 lines
1.6 KiB
'use strict'; |
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var isGlob = require('is-glob'); |
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var pathPosixDirname = require('path').posix.dirname; |
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var isWin32 = require('os').platform() === 'win32'; |
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var slash = '/'; |
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var backslash = /\\/g; |
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var escaped = /\\([!*?|[\](){}])/g; |
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/** |
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* @param {string} str |
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* @param {Object} opts |
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* @param {boolean} [opts.flipBackslashes=true] |
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*/ |
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module.exports = function globParent(str, opts) { |
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var options = Object.assign({ flipBackslashes: true }, opts); |
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// flip windows path separators |
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if (options.flipBackslashes && isWin32 && str.indexOf(slash) < 0) { |
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str = str.replace(backslash, slash); |
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} |
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// special case for strings ending in enclosure containing path separator |
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if (isEnclosure(str)) { |
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str += slash; |
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} |
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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 { |
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str = pathPosixDirname(str); |
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} while (isGlobby(str)); |
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// remove escape chars and return result |
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return str.replace(escaped, '$1'); |
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}; |
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function isEnclosure(str) { |
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var lastChar = str.slice(-1); |
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var enclosureStart; |
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switch (lastChar) { |
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case '}': |
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enclosureStart = '{'; |
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break; |
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case ']': |
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enclosureStart = '['; |
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break; |
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default: |
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return false; |
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} |
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var foundIndex = str.indexOf(enclosureStart); |
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if (foundIndex < 0) { |
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return false; |
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} |
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return str.slice(foundIndex + 1, -1).includes(slash); |
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} |
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function isGlobby(str) { |
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if (/\([^()]+$/.test(str)) { |
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return true; |
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} |
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if (str[0] === '{' || str[0] === '[') { |
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return true; |
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} |
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if (/[^\\][{[]/.test(str)) { |
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return true; |
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} |
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return isGlob(str); |
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}
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