source: trip-planner-front/node_modules/extglob/lib/compilers.js@ 6a80231

Last change on this file since 6a80231 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 3.9 KB
Line 
1'use strict';
2
3var brackets = require('expand-brackets');
4
5/**
6 * Extglob compilers
7 */
8
9module.exports = function(extglob) {
10 function star() {
11 if (typeof extglob.options.star === 'function') {
12 return extglob.options.star.apply(this, arguments);
13 }
14 if (typeof extglob.options.star === 'string') {
15 return extglob.options.star;
16 }
17 return '.*?';
18 }
19
20 /**
21 * Use `expand-brackets` compilers
22 */
23
24 extglob.use(brackets.compilers);
25 extglob.compiler
26
27 /**
28 * Escaped: "\\*"
29 */
30
31 .set('escape', function(node) {
32 return this.emit(node.val, node);
33 })
34
35 /**
36 * Dot: "."
37 */
38
39 .set('dot', function(node) {
40 return this.emit('\\' + node.val, node);
41 })
42
43 /**
44 * Question mark: "?"
45 */
46
47 .set('qmark', function(node) {
48 var val = '[^\\\\/.]';
49 var prev = this.prev();
50
51 if (node.parsed.slice(-1) === '(') {
52 var ch = node.rest.charAt(0);
53 if (ch !== '!' && ch !== '=' && ch !== ':') {
54 return this.emit(val, node);
55 }
56 return this.emit(node.val, node);
57 }
58
59 if (prev.type === 'text' && prev.val) {
60 return this.emit(val, node);
61 }
62
63 if (node.val.length > 1) {
64 val += '{' + node.val.length + '}';
65 }
66 return this.emit(val, node);
67 })
68
69 /**
70 * Plus: "+"
71 */
72
73 .set('plus', function(node) {
74 var prev = node.parsed.slice(-1);
75 if (prev === ']' || prev === ')') {
76 return this.emit(node.val, node);
77 }
78 var ch = this.output.slice(-1);
79 if (!this.output || (/[?*+]/.test(ch) && node.parent.type !== 'bracket')) {
80 return this.emit('\\+', node);
81 }
82 if (/\w/.test(ch) && !node.inside) {
83 return this.emit('+\\+?', node);
84 }
85 return this.emit('+', node);
86 })
87
88 /**
89 * Star: "*"
90 */
91
92 .set('star', function(node) {
93 var prev = this.prev();
94 var prefix = prev.type !== 'text' && prev.type !== 'escape'
95 ? '(?!\\.)'
96 : '';
97
98 return this.emit(prefix + star.call(this, node), node);
99 })
100
101 /**
102 * Parens
103 */
104
105 .set('paren', function(node) {
106 return this.mapVisit(node.nodes);
107 })
108 .set('paren.open', function(node) {
109 var capture = this.options.capture ? '(' : '';
110
111 switch (node.parent.prefix) {
112 case '!':
113 case '^':
114 return this.emit(capture + '(?:(?!(?:', node);
115 case '*':
116 case '+':
117 case '?':
118 case '@':
119 return this.emit(capture + '(?:', node);
120 default: {
121 var val = node.val;
122 if (this.options.bash === true) {
123 val = '\\' + val;
124 } else if (!this.options.capture && val === '(' && node.parent.rest[0] !== '?') {
125 val += '?:';
126 }
127
128 return this.emit(val, node);
129 }
130 }
131 })
132 .set('paren.close', function(node) {
133 var capture = this.options.capture ? ')' : '';
134
135 switch (node.prefix) {
136 case '!':
137 case '^':
138 var prefix = /^(\)|$)/.test(node.rest) ? '$' : '';
139 var str = star.call(this, node);
140
141 // if the extglob has a slash explicitly defined, we know the user wants
142 // to match slashes, so we need to ensure the "star" regex allows for it
143 if (node.parent.hasSlash && !this.options.star && this.options.slash !== false) {
144 str = '.*?';
145 }
146
147 return this.emit(prefix + ('))' + str + ')') + capture, node);
148 case '*':
149 case '+':
150 case '?':
151 return this.emit(')' + node.prefix + capture, node);
152 case '@':
153 return this.emit(')' + capture, node);
154 default: {
155 var val = (this.options.bash === true ? '\\' : '') + ')';
156 return this.emit(val, node);
157 }
158 }
159 })
160
161 /**
162 * Text
163 */
164
165 .set('text', function(node) {
166 var val = node.val.replace(/[\[\]]/g, '\\$&');
167 return this.emit(val, node);
168 });
169};
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