shell bypass 403
let Declaration = require('../declaration')
class MaskComposite extends Declaration {
/**
* Prefix mask-composite for webkit
*/
insert(decl, prefix, prefixes) {
let isCompositeProp = decl.prop === 'mask-composite'
let compositeValues
if (isCompositeProp) {
compositeValues = decl.value.split(',')
} else {
compositeValues = decl.value.match(MaskComposite.regexp) || []
}
compositeValues = compositeValues.map(el => el.trim()).filter(el => el)
let hasCompositeValues = compositeValues.length
let compositeDecl
if (hasCompositeValues) {
compositeDecl = this.clone(decl)
compositeDecl.value = compositeValues
.map(value => MaskComposite.oldValues[value] || value)
.join(', ')
if (compositeValues.includes('intersect')) {
compositeDecl.value += ', xor'
}
compositeDecl.prop = prefix + 'mask-composite'
}
if (isCompositeProp) {
if (!hasCompositeValues) {
return undefined
}
if (this.needCascade(decl)) {
compositeDecl.raws.before = this.calcBefore(prefixes, decl, prefix)
}
return decl.parent.insertBefore(decl, compositeDecl)
}
let cloned = this.clone(decl)
cloned.prop = prefix + cloned.prop
if (hasCompositeValues) {
cloned.value = cloned.value.replace(MaskComposite.regexp, '')
}
if (this.needCascade(decl)) {
cloned.raws.before = this.calcBefore(prefixes, decl, prefix)
}
decl.parent.insertBefore(decl, cloned)
if (!hasCompositeValues) {
return decl
}
if (this.needCascade(decl)) {
compositeDecl.raws.before = this.calcBefore(prefixes, decl, prefix)
}
return decl.parent.insertBefore(decl, compositeDecl)
}
}
MaskComposite.names = ['mask', 'mask-composite']
MaskComposite.oldValues = {
add: 'source-over',
subtract: 'source-out',
intersect: 'source-in',
exclude: 'xor'
}
MaskComposite.regexp = new RegExp(
`\\s+(${Object.keys(MaskComposite.oldValues).join(
'|'
)})\\b(?!\\))\\s*(?=[,])`,
'ig'
)
module.exports = MaskComposite