/*! * is-glob * * Copyright (c) 2014-2017, Jon Schlinkert. * Released under the MIT License. */ var isExtglob = require('is-extglob'); var chars = { '{': '}', '(': ')', '[': ']'}; var strictCheck = function (str) { if (str[0] === '!') { return true; } var index = 0; while (index < str.length) { if (str[index] === '*') { return true; } if (str[index + 1] === '?' && /[\].+)]/.test(str[index])) { return true; } if (str[index] === '[' && str[index + 1] !== ']') { var closeIndex = str.indexOf(']', index); if (closeIndex > index) { var slashIndex = str.indexOf('\\', index); if (slashIndex === -1 || slashIndex > closeIndex) { return true; } } } if (str[index] === '{' && str[index + 1] !== '}') { closeIndex = str.indexOf('}', index); if (closeIndex > index) { slashIndex = str.indexOf('\\', index); if (slashIndex === -1 || slashIndex > closeIndex) { return true; } } } if (str[index] === '(' && str[index + 1] === '?' && /[:!=]/.test(str[index + 2]) && str[index + 3] !== ')') { closeIndex = str.indexOf(')', index); if (closeIndex > index) { slashIndex = str.indexOf('\\', index); if (slashIndex === -1 || slashIndex > closeIndex) { return true; } } } if (str[index] === '(' && str[index + 1] !== '|') { var pipeIndex = str.indexOf('|', index); if (pipeIndex > index && str[pipeIndex + 1] !== ')') { closeIndex = str.indexOf(')', pipeIndex); if (closeIndex > pipeIndex) { slashIndex = str.indexOf('\\', pipeIndex); if (slashIndex === -1 || slashIndex > closeIndex) { return true; } } } } if (str[index] === '\\') { var open = str[index+1]; index += 2; var close = chars[open]; if (close) { var n = str.indexOf(close, index); if (n !== -1) { index = n + 1; } } if (str[index] === '!') { return true; } } else { index++; } } return false; } var relaxedCheck = function (str) { if (str[0] === '!') { return true; } var index = 0; while (index < str.length) { if (/[*?{}()[\]]/.test(str[index])) { return true; } if (str[index] === '\\') { var open = str[index+1]; index += 2; var close = chars[open]; if (close) { var n = str.indexOf(close, index); if (n !== -1) { index = n + 1; } } if (str[index] === '!') { return true; } } else { index++; } } return false; } module.exports = function isGlob(str, options) { if (typeof str !== 'string' || str === '') { return false; } if (isExtglob(str)) { return true; } var check = strictCheck; // optionally relax check if (options && options.strict === false) { check = relaxedCheck; } return check(str); }