shift73k/assets_old/node_modules/is-glob/index.js

48 lines
1.1 KiB
JavaScript

/*!
* is-glob <https://github.com/jonschlinkert/is-glob>
*
* Copyright (c) 2014-2017, Jon Schlinkert.
* Released under the MIT License.
*/
var isExtglob = require('is-extglob');
var chars = { '{': '}', '(': ')', '[': ']'};
var strictRegex = /\\(.)|(^!|\*|[\].+)]\?|\[[^\\\]]+\]|\{[^\\}]+\}|\(\?[:!=][^\\)]+\)|\([^|]+\|[^\\)]+\))/;
var relaxedRegex = /\\(.)|(^!|[*?{}()[\]]|\(\?)/;
module.exports = function isGlob(str, options) {
if (typeof str !== 'string' || str === '') {
return false;
}
if (isExtglob(str)) {
return true;
}
var regex = strictRegex;
var match;
// optionally relax regex
if (options && options.strict === false) {
regex = relaxedRegex;
}
while ((match = regex.exec(str))) {
if (match[2]) return true;
var idx = match.index + match[0].length;
// if an open bracket/brace/paren is escaped,
// set the index to the next closing character
var open = match[1];
var close = open ? chars[open] : null;
if (open && close) {
var n = str.indexOf(close, idx);
if (n !== -1) {
idx = n + 1;
}
}
str = str.slice(idx);
}
return false;
};