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