pattern.js
6.76 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.matchAny = exports.convertPatternsToRe = exports.makeRe = exports.getPatternParts = exports.expandBraceExpansion = exports.expandPatternsWithBraceExpansion = exports.isAffectDepthOfReadingPattern = exports.endsWithSlashGlobStar = exports.hasGlobStar = exports.getBaseDirectory = exports.isPatternRelatedToParentDirectory = exports.getPatternsOutsideCurrentDirectory = exports.getPatternsInsideCurrentDirectory = exports.getPositivePatterns = exports.getNegativePatterns = exports.isPositivePattern = exports.isNegativePattern = exports.convertToNegativePattern = exports.convertToPositivePattern = exports.isDynamicPattern = exports.isStaticPattern = void 0;
const path = require("path");
const globParent = require("glob-parent");
const micromatch = require("micromatch");
const GLOBSTAR = '**';
const ESCAPE_SYMBOL = '\\';
const COMMON_GLOB_SYMBOLS_RE = /[*?]|^!/;
const REGEX_CHARACTER_CLASS_SYMBOLS_RE = /\[[^[]*]/;
const REGEX_GROUP_SYMBOLS_RE = /(?:^|[^!*+?@])\([^(]*\|[^|]*\)/;
const GLOB_EXTENSION_SYMBOLS_RE = /[!*+?@]\([^(]*\)/;
const BRACE_EXPANSION_SEPARATORS_RE = /,|\.\./;
function isStaticPattern(pattern, options = {}) {
return !isDynamicPattern(pattern, options);
}
exports.isStaticPattern = isStaticPattern;
function isDynamicPattern(pattern, options = {}) {
/**
* A special case with an empty string is necessary for matching patterns that start with a forward slash.
* An empty string cannot be a dynamic pattern.
* For example, the pattern `/lib/*` will be spread into parts: '', 'lib', '*'.
*/
if (pattern === '') {
return false;
}
/**
* When the `caseSensitiveMatch` option is disabled, all patterns must be marked as dynamic, because we cannot check
* filepath directly (without read directory).
*/
if (options.caseSensitiveMatch === false || pattern.includes(ESCAPE_SYMBOL)) {
return true;
}
if (COMMON_GLOB_SYMBOLS_RE.test(pattern) || REGEX_CHARACTER_CLASS_SYMBOLS_RE.test(pattern) || REGEX_GROUP_SYMBOLS_RE.test(pattern)) {
return true;
}
if (options.extglob !== false && GLOB_EXTENSION_SYMBOLS_RE.test(pattern)) {
return true;
}
if (options.braceExpansion !== false && hasBraceExpansion(pattern)) {
return true;
}
return false;
}
exports.isDynamicPattern = isDynamicPattern;
function hasBraceExpansion(pattern) {
const openingBraceIndex = pattern.indexOf('{');
if (openingBraceIndex === -1) {
return false;
}
const closingBraceIndex = pattern.indexOf('}', openingBraceIndex + 1);
if (closingBraceIndex === -1) {
return false;
}
const braceContent = pattern.slice(openingBraceIndex, closingBraceIndex);
return BRACE_EXPANSION_SEPARATORS_RE.test(braceContent);
}
function convertToPositivePattern(pattern) {
return isNegativePattern(pattern) ? pattern.slice(1) : pattern;
}
exports.convertToPositivePattern = convertToPositivePattern;
function convertToNegativePattern(pattern) {
return '!' + pattern;
}
exports.convertToNegativePattern = convertToNegativePattern;
function isNegativePattern(pattern) {
return pattern.startsWith('!') && pattern[1] !== '(';
}
exports.isNegativePattern = isNegativePattern;
function isPositivePattern(pattern) {
return !isNegativePattern(pattern);
}
exports.isPositivePattern = isPositivePattern;
function getNegativePatterns(patterns) {
return patterns.filter(isNegativePattern);
}
exports.getNegativePatterns = getNegativePatterns;
function getPositivePatterns(patterns) {
return patterns.filter(isPositivePattern);
}
exports.getPositivePatterns = getPositivePatterns;
/**
* Returns patterns that can be applied inside the current directory.
*
* @example
* // ['./*', '*', 'a/*']
* getPatternsInsideCurrentDirectory(['./*', '*', 'a/*', '../*', './../*'])
*/
function getPatternsInsideCurrentDirectory(patterns) {
return patterns.filter((pattern) => !isPatternRelatedToParentDirectory(pattern));
}
exports.getPatternsInsideCurrentDirectory = getPatternsInsideCurrentDirectory;
/**
* Returns patterns to be expanded relative to (outside) the current directory.
*
* @example
* // ['../*', './../*']
* getPatternsInsideCurrentDirectory(['./*', '*', 'a/*', '../*', './../*'])
*/
function getPatternsOutsideCurrentDirectory(patterns) {
return patterns.filter(isPatternRelatedToParentDirectory);
}
exports.getPatternsOutsideCurrentDirectory = getPatternsOutsideCurrentDirectory;
function isPatternRelatedToParentDirectory(pattern) {
return pattern.startsWith('..') || pattern.startsWith('./..');
}
exports.isPatternRelatedToParentDirectory = isPatternRelatedToParentDirectory;
function getBaseDirectory(pattern) {
return globParent(pattern, { flipBackslashes: false });
}
exports.getBaseDirectory = getBaseDirectory;
function hasGlobStar(pattern) {
return pattern.includes(GLOBSTAR);
}
exports.hasGlobStar = hasGlobStar;
function endsWithSlashGlobStar(pattern) {
return pattern.endsWith('/' + GLOBSTAR);
}
exports.endsWithSlashGlobStar = endsWithSlashGlobStar;
function isAffectDepthOfReadingPattern(pattern) {
const basename = path.basename(pattern);
return endsWithSlashGlobStar(pattern) || isStaticPattern(basename);
}
exports.isAffectDepthOfReadingPattern = isAffectDepthOfReadingPattern;
function expandPatternsWithBraceExpansion(patterns) {
return patterns.reduce((collection, pattern) => {
return collection.concat(expandBraceExpansion(pattern));
}, []);
}
exports.expandPatternsWithBraceExpansion = expandPatternsWithBraceExpansion;
function expandBraceExpansion(pattern) {
return micromatch.braces(pattern, {
expand: true,
nodupes: true
});
}
exports.expandBraceExpansion = expandBraceExpansion;
function getPatternParts(pattern, options) {
let { parts } = micromatch.scan(pattern, Object.assign(Object.assign({}, options), { parts: true }));
/**
* The scan method returns an empty array in some cases.
* See micromatch/picomatch#58 for more details.
*/
if (parts.length === 0) {
parts = [pattern];
}
/**
* The scan method does not return an empty part for the pattern with a forward slash.
* This is another part of micromatch/picomatch#58.
*/
if (parts[0].startsWith('/')) {
parts[0] = parts[0].slice(1);
parts.unshift('');
}
return parts;
}
exports.getPatternParts = getPatternParts;
function makeRe(pattern, options) {
return micromatch.makeRe(pattern, options);
}
exports.makeRe = makeRe;
function convertPatternsToRe(patterns, options) {
return patterns.map((pattern) => makeRe(pattern, options));
}
exports.convertPatternsToRe = convertPatternsToRe;
function matchAny(entry, patternsRe) {
return patternsRe.some((patternRe) => patternRe.test(entry));
}
exports.matchAny = matchAny;