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