68 lines
1.4 KiB
JavaScript
Executable File
68 lines
1.4 KiB
JavaScript
Executable File
class OldSelector {
|
|
constructor(selector, prefix) {
|
|
this.prefix = prefix
|
|
this.prefixed = selector.prefixed(this.prefix)
|
|
this.regexp = selector.regexp(this.prefix)
|
|
|
|
this.prefixeds = selector
|
|
.possible()
|
|
.map(x => [selector.prefixed(x), selector.regexp(x)])
|
|
|
|
this.unprefixed = selector.name
|
|
this.nameRegexp = selector.regexp()
|
|
}
|
|
|
|
/**
|
|
* Does rule contain an unnecessary prefixed selector
|
|
*/
|
|
check(rule) {
|
|
if (!rule.selector.includes(this.prefixed)) {
|
|
return false
|
|
}
|
|
if (!rule.selector.match(this.regexp)) {
|
|
return false
|
|
}
|
|
if (this.isHack(rule)) {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
/**
|
|
* Is rule a hack without unprefixed version bottom
|
|
*/
|
|
isHack(rule) {
|
|
let index = rule.parent.index(rule) + 1
|
|
let rules = rule.parent.nodes
|
|
|
|
while (index < rules.length) {
|
|
let before = rules[index].selector
|
|
if (!before) {
|
|
return true
|
|
}
|
|
|
|
if (before.includes(this.unprefixed) && before.match(this.nameRegexp)) {
|
|
return false
|
|
}
|
|
|
|
let some = false
|
|
for (let [string, regexp] of this.prefixeds) {
|
|
if (before.includes(string) && before.match(regexp)) {
|
|
some = true
|
|
break
|
|
}
|
|
}
|
|
|
|
if (!some) {
|
|
return true
|
|
}
|
|
|
|
index += 1
|
|
}
|
|
|
|
return true
|
|
}
|
|
}
|
|
|
|
module.exports = OldSelector
|