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
170
171
172
173
174
175
176
177
178
|
"use strict";
function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); }
var OldSelector = require('./old-selector');
var Prefixer = require('./prefixer');
var Browsers = require('./browsers');
var utils = require('./utils');
var Selector =
/*#__PURE__*/
function (_Prefixer) {
_inheritsLoose(Selector, _Prefixer);
function Selector(name, prefixes, all) {
var _this;
_this = _Prefixer.call(this, name, prefixes, all) || this;
_this.regexpCache = {};
return _this;
}
/**
* Is rule selectors need to be prefixed
*/
var _proto = Selector.prototype;
_proto.check = function check(rule) {
if (rule.selector.includes(this.name)) {
return !!rule.selector.match(this.regexp());
}
return false;
}
/**
* Return prefixed version of selector
*/
;
_proto.prefixed = function prefixed(prefix) {
return this.name.replace(/^([^\w]*)/, "$1" + prefix);
}
/**
* Lazy loadRegExp for name
*/
;
_proto.regexp = function regexp(prefix) {
if (this.regexpCache[prefix]) {
return this.regexpCache[prefix];
}
var name = prefix ? this.prefixed(prefix) : this.name;
this.regexpCache[prefix] = new RegExp("(^|[^:\"'=])" + utils.escapeRegexp(name), 'gi');
return this.regexpCache[prefix];
}
/**
* All possible prefixes
*/
;
_proto.possible = function possible() {
return Browsers.prefixes();
}
/**
* Return all possible selector prefixes
*/
;
_proto.prefixeds = function prefixeds(rule) {
if (rule._autoprefixerPrefixeds) {
return rule._autoprefixerPrefixeds;
}
var prefixeds = {};
for (var _iterator = this.possible(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var prefix = _ref;
prefixeds[prefix] = this.replace(rule.selector, prefix);
}
rule._autoprefixerPrefixeds = prefixeds;
return rule._autoprefixerPrefixeds;
}
/**
* Is rule already prefixed before
*/
;
_proto.already = function already(rule, prefixeds, prefix) {
var index = rule.parent.index(rule) - 1;
while (index >= 0) {
var before = rule.parent.nodes[index];
if (before.type !== 'rule') {
return false;
}
var some = false;
for (var key in prefixeds) {
var prefixed = prefixeds[key];
if (before.selector === prefixed) {
if (prefix === key) {
return true;
} else {
some = true;
break;
}
}
}
if (!some) {
return false;
}
index -= 1;
}
return false;
}
/**
* Replace selectors by prefixed one
*/
;
_proto.replace = function replace(selector, prefix) {
return selector.replace(this.regexp(), "$1" + this.prefixed(prefix));
}
/**
* Clone and add prefixes for at-rule
*/
;
_proto.add = function add(rule, prefix) {
var prefixeds = this.prefixeds(rule);
if (this.already(rule, prefixeds, prefix)) {
return;
}
var cloned = this.clone(rule, {
selector: prefixeds[prefix]
});
rule.parent.insertBefore(rule, cloned);
}
/**
* Return function to fast find prefixed selector
*/
;
_proto.old = function old(prefix) {
return new OldSelector(this, prefix);
};
return Selector;
}(Prefixer);
module.exports = Selector;
|
