| 1 | ;
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| 2 |
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| 3 | /** @typedef {import('postcss').ChildNode} ChildNode */
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| 4 |
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| 5 | /**
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| 6 | * Add an empty line before a node. Mutates the node.
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| 7 | *
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| 8 | * @param {ChildNode} node
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| 9 | * @param {'\n' | '\r\n'} newline
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| 10 | * @returns {ChildNode}
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| 11 | */
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| 12 | function addEmptyLineBefore(node, newline) {
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| 13 | if (node.raws.before === undefined) {
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| 14 | return node;
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| 15 | }
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| 16 |
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| 17 | if (!/\r?\n/.test(node.raws.before)) {
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| 18 | node.raws.before = newline.repeat(2) + node.raws.before;
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| 19 | } else {
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| 20 | node.raws.before = node.raws.before.replace(/(\r?\n)/, `${newline}$1`);
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| 21 | }
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| 22 |
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| 23 | return node;
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| 24 | }
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| 25 |
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| 26 | module.exports = addEmptyLineBefore;
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