partitionApplyAtRules.js•1.01 kB
function partitionRules(root) {
if (!root.walkAtRules) return
let applyParents = new Set()
root.walkAtRules('apply', (rule) => {
applyParents.add(rule.parent)
})
if (applyParents.size === 0) {
return
}
for (let rule of applyParents) {
let nodeGroups = []
let lastGroup = []
for (let node of rule.nodes) {
if (node.type === 'atrule' && node.name === 'apply') {
if (lastGroup.length > 0) {
nodeGroups.push(lastGroup)
lastGroup = []
}
nodeGroups.push([node])
} else {
lastGroup.push(node)
}
}
if (lastGroup.length > 0) {
nodeGroups.push(lastGroup)
}
if (nodeGroups.length === 1) {
continue
}
for (let group of [...nodeGroups].reverse()) {
let clone = rule.clone({ nodes: [] })
clone.append(group)
rule.after(clone)
}
rule.remove()
}
}
export default function expandApplyAtRules() {
return (root) => {
partitionRules(root)
}
}