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38 lines
634 B
38 lines
634 B
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/**
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* Expose `visit()`.
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*/
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module.exports = visit;
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/**
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* Visit `node`'s declarations recursively and
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* invoke `fn(declarations, node)`.
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*
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* @param {Object} node
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* @param {Function} fn
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* @api private
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*/
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function visit(node, fn){
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node.rules.forEach(function(rule){
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// @media etc
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if (rule.rules) {
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visit(rule, fn);
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return;
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}
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// keyframes
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if (rule.keyframes) {
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rule.keyframes.forEach(function(keyframe){
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fn(keyframe.declarations, rule);
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});
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return;
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}
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// @charset, @import etc
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if (!rule.declarations) return;
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fn(rule.declarations, node);
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});
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};
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