30 lines
836 B
JavaScript
30 lines
836 B
JavaScript
const { isEmpty } = require('lodash');
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const visit = require('unist-util-visit');
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var css = require('css');
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var visitCss = require('rework-visit');
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const { commentToData } = require('../comment-to-data');
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function plugin() {
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return transformer;
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function transformer(tree, file) {
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if (isEmpty(file.data)) file.data = {};
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visit(tree, { type: 'element', tagName: 'style' }, styleVisitor);
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function styleVisitor(node) {
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visit(node, 'text', cssVisitor);
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}
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function cssVisitor(node) {
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const ast = css.parse(node.value);
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visitCss(ast.stylesheet, dec => {
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let comments = dec
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.filter(({ type }) => type === 'comment')
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.map(({ comment }) => comment.trim());
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comments.forEach(comment => commentToData(file, comment));
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});
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}
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}
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}
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module.exports = plugin;
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