freeCodeCamp/tools/challenge-md-parser/frontmatter-to-data.js

19 lines
361 B
JavaScript

const visit = require('unist-util-visit');
const YAML = require('js-yaml');
function plugin() {
return transformer;
function transformer(tree, file) {
visit(tree, 'yaml', visitor);
function visitor(node) {
const frontmatter = YAML.load(node.value);
file.data = { ...file.data, ...frontmatter };
}
}
}
module.exports = plugin;