19 lines
361 B
JavaScript
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;
|