50 lines
1.3 KiB
Plaintext
50 lines
1.3 KiB
Plaintext
/**
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* @param {import('postcss').Container[]} nodes
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* @param {any} source
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* @param {any} raws
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* @returns {import('postcss').Container[]}
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*/
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export default function cloneNodes(nodes, source = undefined, raws = undefined) {
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return nodes.map((node) => {
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let cloned = node.clone()
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if (raws !== undefined) {
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cloned.raws.tailwind = {
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...cloned.raws.tailwind,
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...raws,
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}
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}
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if (source !== undefined) {
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traverse(cloned, (node) => {
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// Do not traverse nodes that have opted
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// to preserve their original source
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let shouldPreserveSource = node.raws.tailwind?.preserveSource === true && node.source
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if (shouldPreserveSource) {
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return false
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}
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// Otherwise we can safely replace the source
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// And continue traversing
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node.source = source
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})
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}
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return cloned
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})
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}
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/**
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* Traverse a tree of nodes and don't traverse children if the callback
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* returns false. Ideally we'd use Container#walk instead of this
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* function but it stops traversing siblings too.
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*
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* @param {import('postcss').Container} node
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* @param {(node: import('postcss').Container) => boolean} onNode
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*/
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function traverse(node, onNode) {
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if (onNode(node) !== false) {
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node.each?.((child) => traverse(child, onNode))
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}
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}
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