Constnium/node_modules/glob-parent/index.js
2022-06-23 02:27:43 +02:00

75 lines
1.6 KiB
JavaScript

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