source: trip-planner-front/node_modules/is-glob/index.js@ 1ad8e64

Last change on this file since 1ad8e64 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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1/*!
2 * is-glob <https://github.com/jonschlinkert/is-glob>
3 *
4 * Copyright (c) 2014-2017, Jon Schlinkert.
5 * Released under the MIT License.
6 */
7
8var isExtglob = require('is-extglob');
9var chars = { '{': '}', '(': ')', '[': ']'};
10var strictCheck = function(str) {
11 if (str[0] === '!') {
12 return true;
13 }
14 var index = 0;
15 var pipeIndex = -2;
16 var closeSquareIndex = -2;
17 var closeCurlyIndex = -2;
18 var closeParenIndex = -2;
19 var backSlashIndex = -2;
20 while (index < str.length) {
21 if (str[index] === '*') {
22 return true;
23 }
24
25 if (str[index + 1] === '?' && /[\].+)]/.test(str[index])) {
26 return true;
27 }
28
29 if (closeSquareIndex !== -1 && str[index] === '[' && str[index + 1] !== ']') {
30 if (closeSquareIndex < index) {
31 closeSquareIndex = str.indexOf(']', index);
32 }
33 if (closeSquareIndex > index) {
34 if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) {
35 return true;
36 }
37 backSlashIndex = str.indexOf('\\', index);
38 if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) {
39 return true;
40 }
41 }
42 }
43
44 if (closeCurlyIndex !== -1 && str[index] === '{' && str[index + 1] !== '}') {
45 closeCurlyIndex = str.indexOf('}', index);
46 if (closeCurlyIndex > index) {
47 backSlashIndex = str.indexOf('\\', index);
48 if (backSlashIndex === -1 || backSlashIndex > closeCurlyIndex) {
49 return true;
50 }
51 }
52 }
53
54 if (closeParenIndex !== -1 && str[index] === '(' && str[index + 1] === '?' && /[:!=]/.test(str[index + 2]) && str[index + 3] !== ')') {
55 closeParenIndex = str.indexOf(')', index);
56 if (closeParenIndex > index) {
57 backSlashIndex = str.indexOf('\\', index);
58 if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) {
59 return true;
60 }
61 }
62 }
63
64 if (pipeIndex !== -1 && str[index] === '(' && str[index + 1] !== '|') {
65 if (pipeIndex < index) {
66 pipeIndex = str.indexOf('|', index);
67 }
68 if (pipeIndex !== -1 && str[pipeIndex + 1] !== ')') {
69 closeParenIndex = str.indexOf(')', pipeIndex);
70 if (closeParenIndex > pipeIndex) {
71 backSlashIndex = str.indexOf('\\', pipeIndex);
72 if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) {
73 return true;
74 }
75 }
76 }
77 }
78
79 if (str[index] === '\\') {
80 var open = str[index + 1];
81 index += 2;
82 var close = chars[open];
83
84 if (close) {
85 var n = str.indexOf(close, index);
86 if (n !== -1) {
87 index = n + 1;
88 }
89 }
90
91 if (str[index] === '!') {
92 return true;
93 }
94 } else {
95 index++;
96 }
97 }
98 return false;
99};
100
101var relaxedCheck = function(str) {
102 if (str[0] === '!') {
103 return true;
104 }
105 var index = 0;
106 while (index < str.length) {
107 if (/[*?{}()[\]]/.test(str[index])) {
108 return true;
109 }
110
111 if (str[index] === '\\') {
112 var open = str[index + 1];
113 index += 2;
114 var close = chars[open];
115
116 if (close) {
117 var n = str.indexOf(close, index);
118 if (n !== -1) {
119 index = n + 1;
120 }
121 }
122
123 if (str[index] === '!') {
124 return true;
125 }
126 } else {
127 index++;
128 }
129 }
130 return false;
131};
132
133module.exports = function isGlob(str, options) {
134 if (typeof str !== 'string' || str === '') {
135 return false;
136 }
137
138 if (isExtglob(str)) {
139 return true;
140 }
141
142 var check = strictCheck;
143
144 // optionally relax check
145 if (options && options.strict === false) {
146 check = relaxedCheck;
147 }
148
149 return check(str);
150};
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